CN219535833U - Motor stator single-tooth winding splicing tool - Google Patents

Abstract

The utility model discloses a motor stator single-tooth winding splicing tool which comprises a frame, an outer positioning part and an inner positioning part, wherein the outer positioning part and the inner positioning part are arranged on the frame, a positioning cavity for positioning a motor stator is formed between the outer positioning part and the inner positioning part, an ejection mechanism for ejecting the motor stator out of the positioning cavity is arranged at the bottom of the positioning cavity in a lifting manner, and a driving mechanism for driving the ejection mechanism to do lifting motion is arranged on the frame. The motor stator single-tooth winding splicing tool can be used for positioning and limiting the splicing of stator splicing blocks, and has the advantages of improving the concentricity of a spliced motor stator and the accuracy of the inner diameter and the outer diameter of the spliced motor stator, and effectively improving the production efficiency.

Description

Motor stator single-tooth winding splicing tool

Technical Field

The utility model relates to the technical field of motor production equipment, in particular to a motor stator single-tooth winding splicing tool.

Background

The traditional integral stator core stamping die is high in cost and multiple in stamping blanking, and most of stator cores are half-open slots for reducing cogging torque and improving torque, so that the full rate of the wire embedding slots is difficult to improve. The split type stator core is characterized in that the integral type stator core is divided into a plurality of stator blocks according to the number of stator slots of the integral type stator core, and then the stator blocks are assembled into a stator with a complete circular structure. Therefore, split stator cores are becoming popular in the market, and especially, split stator cores are commonly used in motor solutions with large outer diameters and short axial lengths.

In actual production, the process of splicing the block type stator core into a whole circle is very difficult, the existing tooling is easy to cause inclination and dislocation of stator punching sheets, and the problem that whether concentricity and inner and outer diameter dimensions after stator splicing are within tolerance allowable ranges cannot be guaranteed is solved.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects in the prior art and providing the motor stator single-tooth winding splicing tool which can position and limit the splicing of stator splicing blocks, improve the concentricity of a spliced motor stator and the accuracy of the inner diameter and the outer diameter of the spliced motor stator and effectively improve the production efficiency.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a motor stator single tooth winding concatenation frock, includes the frame and set up in outer location portion and interior location portion in the frame, outer location portion with be formed with the location chamber that is used for the location motor stator between the location portion, location chamber bottom is provided with liftable mode be used for with motor stator is ejecting the ejection mechanism in location chamber, be provided with in the frame and be used for driving ejection mechanism makes elevating system's actuating mechanism.

As a further improvement of the above technical scheme:

the machine frame is provided with a fixing plate, the outer positioning part, the inner positioning part and the ejection mechanism are arranged on the fixing plate, a plurality of groups of positioning nails are arranged on the fixing plate along the positioning cavity, and the motor stator is arranged on the positioning nails in a penetrating mode to achieve positioning.

The ejection mechanism comprises a top plate positioned above the fixed plate, a push plate positioned below the frame and a plurality of ejector rods connected between the top plate and the push plate, wherein first through holes for the ejector rods to pass through are formed in the fixed plate and the frame, the ejector rods are arranged in the first through holes in a penetrating mode in a lifting mode, and a driving end of the driving mechanism is connected with the push plate to drive the top plate to do lifting motion.

The top plate is in a ring shape matched with the positioning cavity, a second through hole for the positioning nail to pass through is formed in the top plate, and the top plate passes through the second through hole so as to be arranged on the positioning nail in a penetrating mode in a lifting mode.

The guide mechanism comprises guide posts and guide sleeves, the guide posts are fixedly connected to the bottom of the top plate, third through holes for the guide posts to pass through are formed in the fixing plate and the frame, the guide sleeves are arranged in the fixing plate and/or the frame in the third through holes, and the guide posts movably penetrate through the guide sleeves.

The fixing plate is provided with a plurality of groups of limiting mechanisms, each limiting mechanism comprises a limiting nail, each limiting nail is fixedly connected to the bottom of the top plate, and the fixing plate is provided with a fourth through hole for the corresponding limiting nail to pass through.

A plurality of groups of equal-height sleeves used for limiting the stroke of the push plate are arranged between the push plate and the frame.

The outer positioning part comprises an upper baffle and a lower baffle which are connected in a detachable mode, and the upper baffle and the lower baffle are in a circular ring shape.

The inner positioning part comprises a base plate and an inner stretching mechanism arranged on the base plate, the inner stretching mechanism comprises a plurality of groups of radial top pieces which are movably connected to the base plate, a limiting plate which is fixedly connected to the base plate and used for limiting the radial top pieces to move only in the radial direction, an inward shrinking assembly which is used for driving the radial top pieces to move inwards, and an inclined pressing block which is used for driving the radial top pieces to move outwards, a fifth through hole for the inclined pressing block to pass through is arranged on the fixing plate and the frame, the inclined pressing block can be arranged in the fifth through hole in a penetrating mode in a lifting mode, and a driving end of the driving mechanism is connected with the inclined pressing block so as to drive the inclined pressing block to do lifting motion.

The radial top piece bottom is provided with and is used for holding the holding tank of retraction subassembly, retraction subassembly includes butt piece and compression spring, butt piece fixed connection in keep away from on the backing plate one side of pressing the sloping block, compression spring's one end with butt piece butt, the other end with be close to on the holding tank the lateral wall butt of pressing sloping block one side.

Compared with the prior art, the utility model has the advantages that:

according to the motor stator single-tooth winding splicing tool, the outer positioning part and the inner positioning part are provided with the positioning cavities, the concentricity and the inner diameter and outer diameter of the spliced stator splicing block are defined by the positioning cavities, the problem that the concentricity and the inner diameter and outer diameter of the spliced motor stator are not accurate enough due to the fact that the spliced motor stator is difficult to be integrally spliced is effectively solved, meanwhile, the ejector mechanism is arranged at the bottom of the positioning cavities in a liftable mode, the ejector mechanism is driven by the driving mechanism to eject the spliced motor stator out of the positioning cavities, the finished product taking procedure after splicing can be simplified, labor is greatly saved, and production efficiency is effectively improved.

Drawings

Fig. 1 is a schematic structural diagram of a motor stator single-tooth winding splicing tool in an operating state.

Fig. 2 is a schematic structural diagram of a motor stator single-tooth winding splicing tool in a non-working state.

Fig. 3 is an exploded view of a motor stator single-tooth winding splicing tool.

Fig. 4 is a schematic diagram of a connection structure between the ejector mechanism and the fixing plate.

Fig. 5 is a schematic structural view of the ejector mechanism and the fixing plate in a lowered state.

Fig. 6 is a schematic structural view of the ejector mechanism and the fixing plate in a raised state.

Fig. 7 is a schematic structural view of the inner positioning portion.

Fig. 8 is an exploded view of the positioning portion.

Fig. 9 is a schematic structural view of a radial top member.

Legend description:

1. a frame; 2. an outer positioning portion; 201. an upper baffle; 202. a lower baffle; 3. an inner positioning part; 301. a backing plate; 302. a radial top; 303. a limiting plate; 304. a retraction assembly; 3041. an abutment block; 3042. a compression spring; 305. pressing an oblique block; 306. a receiving groove; 4. a motor stator; 401. an iron core unit; 402. a pressing ring is arranged; 403. a pressing ring is pressed down; 5. a positioning cavity; 6. an ejection mechanism; 601. a top plate; 602. a push plate; 603. a push rod; 7. a driving mechanism; 8. a fixing plate; 801. positioning nails; 9. a guide mechanism; 901. a guide post; 902. a guide sleeve; 10. a limiting mechanism; 1001. a limit nail; 11. a contour sleeve.

Detailed Description

The utility model is described in further detail below with reference to the drawings and the specific examples.

As shown in fig. 1 and 2, the motor stator single-tooth winding splicing tool of the embodiment comprises a frame 1, an outer positioning part 2 and an inner positioning part 3 which are arranged on the frame 1, a positioning cavity 5 for positioning a motor stator 4 is formed between the outer positioning part 2 and the inner positioning part 3, an ejection mechanism 6 for ejecting the motor stator 4 out of the positioning cavity 5 is arranged at the bottom of the positioning cavity 5 in a lifting manner, and a driving mechanism 7 for driving the ejection mechanism 6 to do lifting motion is arranged on the frame 1. This motor stator single tooth winding concatenation frock is formed with location chamber 5 through outer location portion 2 and interior location portion 3, carries out concentricity and inside and outside diameter size's location definition through the concatenation of location chamber 5 to stator piece, the difficult whole concentric degree that leads to of spliced motor stator and the problem that inside and outside diameter size is not accurate enough have been solved to the difficult whole round of piecing together, location chamber 5 bottom liftable is provided with ejection mechanism 6 simultaneously, it is ejecting location chamber 5 to order about ejection mechanism 6 with motor stator 4 after the concatenation is accomplished through actuating mechanism 7, can simplify the finished product after the concatenation and take out the process, use manpower sparingly greatly, effectively improve production efficiency.

In this embodiment, the motor stator 4 includes an iron core unit 401 wound with a coil, an upper pressing ring 402 and a lower pressing ring 403, and the single-tooth winding splicing tool for motor stator of the present utility model is mainly used for finishing the assembly of the iron core unit 401 and the fixed connection of the upper pressing ring 402 and the lower pressing ring 403 to the iron core unit 401.

As shown in fig. 3, preferably, a fixing plate 8 is disposed on the frame 1, the outer positioning portion 2, the inner positioning portion 3 and the ejection mechanism 6 are disposed on the fixing plate 8, a plurality of groups of positioning nails 801 are disposed on the fixing plate 8 along the positioning cavity 5, and the motor stator 4 is disposed on the positioning nails 801 in a penetrating manner to achieve positioning.

As shown in fig. 4 to 6, preferably, the ejection mechanism 6 includes a top plate 601 located above the fixing plate 8, a push plate 602 located below the frame 1, and a plurality of groups of ejector rods 603 connected between the top plate 601 and the push plate 602, first through holes for the ejector rods 603 to pass through are provided on the fixing plate 8 and the frame 1, the ejector rods 603 are arranged in the first through holes in a penetrating manner, and a driving end of the driving mechanism 7 is connected with the push plate 602 so as to drive the top plate 601 to perform lifting motion.

Preferably, the top plate 601 is in a ring shape adapted to the positioning cavity 5, a second through hole for the positioning nail 801 to pass through is formed in the top plate 601, and the top plate 601 passes through the second through hole so as to be arranged on the positioning nail 801 in a penetrating manner in a lifting manner.

In this embodiment, the locating nail 801 is fixedly connected to the fixing plate 8, the fixing plate 8 is fixedly connected to the frame 1, the ejection mechanism 6 is formed by connecting the top plate 601, the push plate 602 and the push rod 603 to form a whole, the push rod 603 is arranged in the first through hole in a penetrating manner, the ejection mechanism 6 can do lifting motion relative to the fixing plate 8 and the frame 1, the top plate 601 is provided with the second through hole, the top plate 601 can do lifting motion relative to the locating nail 801, the structure is reasonable, and the motor stator 4 after splicing is conveniently ejected out of the locating cavity 5. Specifically, the driving mechanism 7 adopts the form of a telescopic driving piece, the telescopic action of the telescopic driving piece drives the ejection mechanism 6 to do lifting action, and the telescopic driving piece can be any one of an oil cylinder, an air cylinder and an electric cylinder, so that the telescopic driving piece has the advantages of convenient and quick installation, good running stability and long service life.

Preferably, a plurality of groups of guide mechanisms 9 are arranged between the top plate 601 and the fixed plate 8 as well as between the guide mechanisms 9 and the machine frame 1, the guide mechanisms 9 comprise guide posts 901 and guide sleeves 902, the guide posts 901 are fixedly connected to the bottom of the top plate 601, third through holes for the guide posts 901 to pass through are formed in the fixed plate 8 and the machine frame 1, the guide sleeves 902 are arranged in the third through holes in the fixed plate 8 and/or the machine frame 1, and the guide posts 901 movably penetrate into the guide sleeves 902. In this embodiment, three sets of guiding mechanisms 9 are disposed between the top plate 601 and the fixing plate 8, and between the top plate and the frame 1, so as to prevent the ejection mechanism 6 from being inclined in a deviation manner in the lifting process, ensure that the movement stroke is always performed along the vertical direction, and further improve the operation stability of the ejection mechanism 6.

Preferably, a plurality of groups of limiting mechanisms 10 are arranged between the top plate 601 and the fixed plate 8, the limiting mechanisms 10 comprise limiting nails 1001, the limiting nails 1001 are fixedly connected to the bottom of the top plate 601, fourth through holes for the limiting nails 1001 to pass through are formed in the fixed plate 8, when the top plate 601 is in a rising state, the limiting nails 1001 are higher than the fourth through holes, when the top plate 601 is in a descending state, the limiting nails 1001 are arranged in the fourth through holes in a penetrating mode, and when deviation exists in the corresponding positions between the top plate 601 and the fixed plate 8 in the assembling process, the limiting nails 1001 are abutted to the fixed plate 8, so that the effect of limiting the positions between the top plate 601 and the fixed plate 8 is achieved.

Preferably, a plurality of groups of equal-height sleeves 11 for limiting the travel of the push plate 602 are arranged between the push plate 602 and the frame 1, so that the push plate 602 is prevented from falling off and plays a role in spacing.

Preferably, the outer positioning portion 2 includes an upper baffle 201 and a lower baffle 202 which are detachably connected, and the upper baffle 201 and the lower baffle 202 have a circular ring shape.

As shown in fig. 7 to 9, preferably, the positioning portion 3 includes a backing plate 301 and an internal tension mechanism disposed on the backing plate 301, the internal tension mechanism includes a plurality of groups of radial top pieces 302 movably connected to the backing plate 301, a limiting plate 303 fixedly connected to the backing plate 301 for limiting the radial top pieces 302 to move only in a radial direction, an inward shrinking assembly 304 for driving the radial top pieces 302 to move inward, and an oblique pressing block 305 for driving the radial top pieces 302 to move outward, fifth through holes for the oblique pressing block 305 to pass through are disposed on the fixing plate 8 and the frame 1, the oblique pressing block 305 is disposed in the fifth through holes in a liftable manner, and a driving end of the driving mechanism 7 is connected with the oblique pressing block 305 to drive the oblique pressing block 305 to perform lifting motion.

Preferably, the bottom of the radial top member 302 is provided with a receiving groove 306 for receiving the retraction assembly 304, the retraction assembly 304 includes an abutment block 3041 and a compression spring 3042, the abutment block 3041 is fixedly connected to one side of the backing plate 301 far away from the swash block 305, one end of the compression spring 3042 abuts against the abutment block 3041, and the other end abuts against a side wall of the receiving groove 306 near the swash block 305.

In this embodiment, the pressing inclined block 305 is inserted into the fifth through hole and driven by the driving mechanism 7 to perform lifting action, the upper end of the pressing inclined block 305 is a large-diameter section, the lower end is a small-diameter section, and an inclined plane is arranged between the large-diameter section and the small-diameter section, when the pressing inclined block 305 performs lifting action, the inclined plane forms an extrusion action on the radial top piece 302 to force the radial top piece 302 to move radially outwards, and meanwhile, the compression spring 3042 is compressed, so that the motor stator 4 is internally Zhang Zu round, when the pressing inclined block 305 performs lifting action, the extrusion action of the inclined plane on the radial top piece 302 is reduced, the compression spring 3042 stretches under the action of elastic restoring force and pushes the radial top piece 302 to move radially inwards, and the radial top piece 302 is not in contact with the motor stator 4 any more, so that the motor stator 4 is conveniently ejected.

In the practical application process, jacks are arranged on the iron core unit 401, the upper pressing ring 402 and the lower pressing ring 403, the lower pressing ring 403 is firstly penetrated on the positioning nail 801 during splicing, then the iron core unit 401 is penetrated on the positioning nail 801 and is aligned and positioned along the positioning cavity 5, then the driving mechanism 7 drives the ejection mechanism 6 and the inclined pressing block 305 to do descending motion, the radial top piece 302 moves outwards along the radial direction, the inner Zhang Zuyuan of the iron core unit 401 in the positioning cavity 5 is realized, finally the upper pressing ring 402 is penetrated on the positioning nail 801, the upper pressing ring 402 is tightly connected with the lower pressing ring 403 through bolts, and the splicing of the motor stator 4 is completed; the driving mechanism 7 drives the ejection mechanism 6 and the oblique pressing block 305 to perform lifting action, the radial top piece 302 moves inwards along the radial direction, and meanwhile, the ejection mechanism 6 ejects the spliced motor stator 4 out of the positioning cavity 5, so that the motor stator single-tooth winding splicing tool disclosed by the utility model is a complete working process at one time.

The above description is merely a preferred embodiment of the present utility model, and the scope of the present utility model is not limited to the above examples. Modifications and variations which would be obvious to those skilled in the art without departing from the spirit of the utility model are also considered to be within the scope of the utility model.

Claims (10)

1. The utility model provides a motor stator single tooth winding concatenation frock, its characterized in that, including frame (1) and set up in outer location portion (2) and interior location portion (3) on frame (1), outer location portion (2) with be formed with between interior location portion (3) and be used for location motor stator (4) location chamber (5), location chamber (5) bottom is provided with liftable mode be used for with motor stator (4) ejecting ejection mechanism (6) of location chamber (5), be provided with on frame (1) and be used for order about ejection mechanism (6) are lifting movement's actuating mechanism (7).

2. The motor stator single-tooth winding splicing tool according to claim 1, wherein a fixing plate (8) is arranged on the frame (1), the outer positioning part (2), the inner positioning part (3) and the ejection mechanism (6) are arranged on the fixing plate (8), a plurality of groups of positioning nails (801) are arranged on the fixing plate (8) along the positioning cavity (5), and the motor stator (4) is arranged on the positioning nails (801) in a penetrating manner to achieve positioning.

3. The motor stator single-tooth winding splicing tool according to claim 2, wherein the ejection mechanism (6) comprises a top plate (601) located above the fixed plate (8), a push plate (602) located below the frame (1) and a plurality of groups of ejector rods (603) connected between the top plate (601) and the push plate (602), the fixed plate (8) and the frame (1) are provided with first through holes for the ejector rods (603) to pass through, the ejector rods (603) are arranged in the first through holes in a penetrating mode in a liftable mode, and a driving end of the driving mechanism (7) is connected with the push plate (602) to drive the top plate (601) to do lifting motion.

4. A motor stator single-tooth winding splicing tool as claimed in claim 3, wherein the top plate (601) is in a ring shape matched with the positioning cavity (5), a second through hole for the positioning nail (801) to pass through is formed in the top plate (601), and the top plate (601) passes through the second through hole so as to be arranged on the positioning nail (801) in a penetrating manner in a lifting manner.

5. The motor stator single-tooth winding splicing tool according to claim 3, wherein a plurality of groups of guide mechanisms (9) are arranged between the top plate (601) and the fixed plate (8) and between the machine frame (1), the guide mechanisms (9) comprise guide posts (901) and guide sleeves (902), the guide posts (901) are fixedly connected to the bottom of the top plate (601), third through holes for the guide posts (901) to penetrate are formed in the fixed plate (8) and the machine frame (1), the guide sleeves (902) are arranged in the third through holes in the fixed plate (8) and/or the machine frame (1), and the guide posts (901) are movably arranged in the guide sleeves (902) in a penetrating mode.

6. The motor stator single-tooth winding splicing tool according to claim 3, wherein a plurality of groups of limiting mechanisms (10) are arranged between the top plate (601) and the fixed plate (8), the limiting mechanisms (10) comprise limiting nails (1001), the limiting nails (1001) are fixedly connected to the bottom of the top plate (601), and fourth through holes for the limiting nails (1001) to pass through are formed in the fixed plate (8).

7. A motor stator single-tooth winding splicing tool as claimed in claim 3, wherein a plurality of groups of equal-height sleeves (11) for limiting the stroke of the push plate (602) are arranged between the push plate (602) and the frame (1).

8. The motor stator single-tooth winding splicing tool according to claim 2, wherein the outer positioning portion (2) comprises an upper baffle (201) and a lower baffle (202) which are detachably connected, and the upper baffle (201) and the lower baffle (202) are annular.

9. The motor stator single-tooth winding splicing tool according to claim 2, wherein the inner positioning portion (3) comprises a base plate (301) and an inner tension mechanism arranged on the base plate (301), the inner tension mechanism comprises a plurality of groups of radial top pieces (302) which are movably connected to the base plate (301), limiting plates (303) which are fixedly connected to the base plate (301) and used for limiting the radial top pieces (302) to move only in the radial direction, an inner shrinkage component (304) used for driving the radial top pieces (302) to move inwards and an inclined pressing block (305) used for driving the radial top pieces (302) to move outwards, a fifth through hole used for the inclined pressing block (305) to pass through is arranged on the fixed plate (8) and the frame (1), the inclined pressing block (305) is arranged in the fifth through hole in a penetrating mode, and the driving end of the driving mechanism (7) is connected with the inclined pressing block (305) to drive the inclined pressing block (305) to move in a lifting mode.

10. The motor stator single-tooth winding splicing tool according to claim 9, wherein an accommodating groove (306) for accommodating the retraction assembly (304) is formed in the bottom of the radial top piece (302), the retraction assembly (304) comprises an abutting block (3041) and a compression spring (3042), the abutting block (3041) is fixedly connected to one side, away from the oblique pressing block (305), of the base plate (301), one end of the compression spring (3042) abuts against the abutting block (3041), and the other end abuts against a side wall, close to the oblique pressing block (305), of the accommodating groove (306).