CN110601467B - Motor stator core finish machining automation device - Google Patents

Abstract

The invention relates to a motor stator iron core finishing automation device, comprising a base, a pushing device, a rectifying punching device and a clamping device. A pushing device is installed on the left side of the upper end of the base, and a rectifying punching device is installed at the right end of the pushing device. , a clamping device is installed on the right side of the upper end of the base; the invention adopts the method of correcting first and then finishing to solve the problems of deflection of the ventilation groove and difficulty in finishing the ventilation groove. For the problem of the deflection of the ventilation grooves, when the ventilation grooves are corrected, the punching page reaches the working position, which saves the working time and improves the work efficiency; the present invention adopts a correction mechanism, and the ventilation groove is carried out by the triangular structure of the triangular correction block. Alignment to prevent misalignment, the opening and closing mechanism drives the triangular correcting block to correct the ventilation slot, and at the same time, the ventilation slot is finished when punching the slot page and the inner wall of the ventilation slot.

Description

A kind of motor stator core finishing automation device

technical field

The invention relates to the technical field of motor manufacturing, in particular to an automatic device for finishing a motor stator iron core.

Background technique

The stator core is an important part of the stator and the main component of the magnetic circuit of the motor. It is composed of fan-shaped sheet, ventilation slot sheet, positioning rib, upper and lower tooth pressure plate, tension bolt and supporting plate and other parts. The stator iron core is made of silicon steel sheet punched into fan-shaped pieces and stacked on the positioning rib. The positioning rib is welded to the base ring plate through the support plate, and the iron core is pressed into a whole by the upper and lower tooth pressure plates with tension bolts. . The iron core is also the part where the windings are placed. When the generator is running, the iron core will be subjected to the combined action of mechanical force, thermal stress and electromagnetic force.

The current stator core machining process has the following problems: 1. There may be burrs, protrusions and other debris in the ventilation slots formed between adjacent ventilation slots, which need to be finished and cleaned; 2. During the manufacturing process, the stator iron The ventilation grooves in the core are easy to be deflected, which weakens the ventilation effect and the appearance is not beautiful, making it difficult for the existing machinery to finish the ventilation grooves;

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an automatic device for finishing the stator iron core of a motor, which has the advantages of straightening the ventilation groove pieces and finishing the ventilation grooves, and solves the above problems.

In order to achieve the above purpose, the present invention adopts the following technical solutions to achieve: a motor stator iron core finishing automation device, including a base, a pushing device, a rectifying punching device and a clamping device, and a pusher is installed on the left side of the upper end of the base. The correcting punching device is installed on the right end of the pushing device, and the clamping device is installed on the right side of the upper end of the base; Finishing the ventilation slots.

The pushing device includes a driving cylinder, a pushing frame and a connecting column. The driving cylinder is installed on the left side of the upper end of the base, and a pushing frame is installed at the right end of the driving cylinder. The upper end of the base is symmetrically provided with chute on the front and rear sides. The push frame is connected, and the right end of the push frame is evenly installed with a connecting column along the circumferential direction; the push frame cooperates with the chute and slides left and right on the upper end of the base.

The straightening and punching device includes an outer cylinder, a rotating motor, a rotating shaft, an opening and closing mechanism, a punching page and a correcting mechanism. On the inner side of the connecting column, the right end of the rotating motor is connected with one end of the rotating shaft through a coupling, the rotating shaft is installed on the inner walls of the left and right ends of the outer cylinder through bearings, and opposite threads are provided on the left and right sides of the outer wall of the rotating shaft, and the opening and closing mechanism is connected by threads. The way is connected with the rotating shaft, the opening and closing mechanism is connected with the punching plate by hinge, and the correcting mechanism is installed on the right side of the outer end of the punching plate; the opening and closing mechanism drives the punching plate and the correcting mechanism to correct the ventilation groove piece and align the ventilation groove.

The opening and closing mechanism includes a nut, a hinge block and a hinge rod. The nut is symmetrically arranged on the rotating shaft by means of threaded connection, and the nut is respectively connected with opposite threads by means of threaded connection. The hinge blocks are uniformly arranged in the circumferential direction. On the outer wall of the nut, the hinged block is connected with one end of the hinged rod through a hinged manner, and the other end of the hinged rod is connected with the inner end of the punching leaf through a hinged manner.

The straightening mechanism includes a top-retracting groove, a column groove, a triangular correcting block, a sliding column, an auxiliary spring and a baffle plate. The top-removing groove is provided on the right side of the upper end of the punching groove page, and the column is evenly opened from left to right in the punching groove page. The groove, the column groove is located below the top-removing groove, the triangle correction block is connected to the top-removing groove by sliding, the sliding column is installed at the lower end of the triangle correction block, the lower end of the sliding column is installed with a baffle, and the baffle is connected to the column groove by sliding. An auxiliary spring is connected between the straightening block and the inner wall of the lower end of the ejection groove, and the auxiliary spring is sleeved on the sliding column.

As a preferred technical solution of the present invention, the clamping device includes a column, a platform, a lower clamp, a cushion, a clamping cylinder, a flat plate, an inclined splint and a rubber strip. The upper end of the base is evenly installed with a column along the circumferential direction. A platform is installed at the upper end, a clamping cylinder is installed at the lower end of the platform, a flat plate is installed at the lower end of the clamping cylinder, an inclined splint is symmetrically arranged at the lower end of the flat plate, and the inner end of the inclined splint is evenly arranged with rubber strips from left to right, and a lower clamp is installed at the upper end of the base , the inner wall of the lower clamp is evenly arranged with soft pads along the circumferential direction, and the lower clamp is located below the flat plate.

As a preferred technical solution of the present invention, the inclined splint is an outwardly inclined structure from top to bottom, and the symmetrical two inclined splints are V-shaped.

As a preferred technical solution of the present invention, the outer cylinder is provided with a through groove along the circumferential direction, and the punching plate is connected with the through groove by sliding.

As a preferred technical solution of the present invention, a polishing pattern is provided on the left side of the upper end of the punching page, and polishing patterns are arranged on the upper sides of the front and rear ends of the punching page, and the polishing pattern is S-shaped.

As a preferred technical solution of the present invention, the connecting column is connected with the outer cylinder by means of bolt connection or snap connection.

The beneficial effects of the present invention are:

1. The present invention solves the problems such as the deflection of the ventilation grooves and the difficulty of finishing the ventilation grooves by adopting the method of correcting first and then finishing. While correcting the ventilation groove, the punching page reaches the working position, which saves the working time and improves the working efficiency;

2. The present invention adopts a correcting mechanism to align the ventilation grooves through the triangular structure of the triangular correcting block to prevent correcting misalignment. When the inner wall is finished, the ventilation groove is finished, and the S-shaped grinding pattern is used to make the grinding effect better;

3. The present invention uses the retractable triangular correcting block to make the ventilation groove piece uniformly stressed due to the triangular slope of the triangular correcting block during preliminary correction, preventing deformation due to excessive force. At the same time of finishing, the punching page also performs secondary processing on the ventilation grooves, so that the ventilation grooves do not rebound after being corrected.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

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

Fig. 2 is the A-A sectional view in Fig. 1 of the present invention

Fig. 3 is the sectional view of B-B in Fig. 1 of the present invention

Fig. 4 is a partial enlarged view of part I in Fig. 1 of the present invention

Fig. 5 is a partial enlarged view of part II in Fig. 2 of the present invention

Detailed ways

In order to make it easy to understand the technical means, creation features, achieved goals and effects of the present invention, the present invention will be further described below with reference to the specific figures.

As shown in Figures 1 to 5, a motor stator core finishing automation device includes a base 1, a pushing device 2, a straightening punching device 3 and a clamping device 4. The upper left side of the base 1 is provided with a pusher Device 2, the right end of the push device 2 is installed with a straightening and punching device 3, and a clamping device 4 is installed on the right side of the upper end of the base 1; The pushing device 2 pushes the straightening punching device 3 to finish the ventilation groove.

The pushing device 2 includes a driving cylinder 21, a pushing frame 22 and a connecting column 23. The driving cylinder 21 is installed on the left side of the upper end of the base 1, and a pushing frame 22 is installed at the right end of the driving cylinder 21. The chute is connected to the push frame 22 by sliding, and the right end of the push frame 22 is evenly installed with a connecting column 23 along the circumferential direction; The driving cylinder 21 drives the push frame 22 to move left and right on the upper end of the base.

The straightening and punching device 3 includes an outer cylinder 31, a rotating motor 32, a rotating shaft 33, an opening and closing mechanism 34, a punching page 35 and a correcting mechanism 36. The outer cylinder 31 is installed on the right end of the connecting column 23, and the left end of the outer cylinder 31 passes through. The motor bracket is mounted with a rotating motor 32, the rotating motor 32 is located inside the connecting column 23, the right end of the rotating motor 32 is connected with one end of a rotating shaft 33 through a coupling, and the rotating shaft 33 is installed on the inner walls of the left and right ends of the outer cylinder 31 through bearings, and the rotating shaft The left and right sides of the outer wall of 33 are provided with opposite threads. The opening and closing mechanism 34 is connected with the rotating shaft 33 by means of threaded connection. The left side of the upper end of the punching page 35 is provided with a grinding pattern, and the upper sides of the front and rear ends of the punching page 35 are provided with a grinding pattern, and the grinding pattern is S-shaped. The outer cylinder 31 is provided with a through groove along the circumferential direction, and the punching groove page 35 is connected with the through groove in a sliding manner. The rotating motor 32 drives the rotating shaft 33 to rotate, and the opening and closing mechanism 34 drives the punching page 35 to open, the correcting mechanism 36 aligns the ventilation grooves, performs preliminary correction on the ventilation grooves, and the punching page 35 grinds the ventilation grooves. And the ventilation grooves are shaped for many times;

The opening and closing mechanism 34 includes a nut 341, a hinge block 342 and a hinge rod 343. The nut 341 is symmetrically arranged on the rotating shaft 33 through a threaded connection, and the nut 341 is respectively connected with opposite threads through a threaded connection. 342 is evenly arranged on the outer wall of the nut 341 along the circumferential direction, the hinge block 342 is hingedly connected to one end of the hinge rod 343, and the other end of the hinge rod 343 is hingedly connected to the inner end of the punching leaf 35. The rotation of the rotating shaft 33 makes the symmetrical nut 341 move inward or outward at the same time through the thread, and drives the hinge rod 343 to push the punching leaf 35 to expand or contract inward.

The straightening mechanism 36 includes a top removal groove 361, a column groove 362, a triangular correction block 363, a sliding column 364, an auxiliary spring 365 and a baffle 366. The top right side of the upper end of the punching groove 35 is provided with a top withdrawal groove 361. The column groove 362 is evenly opened in 35 from left to right. The column groove 362 is located below the top-removal groove 361. The triangle correction block 363 is connected with the top-off groove 361 by sliding. A baffle 366 is installed at the lower end of the 364. The baffle 366 is connected to the column groove 362 by sliding. An auxiliary spring 365 is connected between the triangle correction block 363 and the inner wall of the lower end of the top-removing groove 361. The auxiliary spring 365 is sleeved on the sliding column 364. , Triangular correction block 363 performs preliminary correction on the ventilation groove, sliding column 364 and auxiliary spring 365 make the triangular correction block 363 retractable, so as to facilitate the punching page 35 and the ventilation groove, and finish the ventilation groove, and the sliding column 364 and the baffle 366 to limit the position of the triangle correction block 363;

The clamping device 4 includes a column 41, a platform 42, a lower clamp 43, a cushion 44, a clamping cylinder 45, a flat plate 46, an inclined splint 47 and a rubber strip 48. The upper end of the base 1 is evenly installed with a column 41 along the circumferential direction. A platform 42 is installed at the upper end of the upright column 41, a clamping cylinder 45 is installed at the lower end of the platform 42, a flat plate 46 is installed at the lower end of the clamping cylinder 45, an inclined splint 47 is symmetrically arranged at the lower end of the flat plate 46, and the inner end of the inclined splint 47 is evenly arranged from left to right There is a rubber strip 48 , a lower clamp 43 is installed on the upper end of the base 1 , a cushion 44 is evenly arranged on the inner wall of the lower clamp 43 along the circumferential direction, and the lower clamp 43 is located below the flat plate 46 . The slanted splints 47 have an outwardly inclined structure from top to bottom, and the symmetrical slanted splints 47 cooperate with each other to form a V-shape. The clamping cylinder 45 drives the inclined splint 47 downward and cooperates with the lower clamp 43 to fix the stator iron core. The soft pad 44 prevents the stator iron core from being imprinted due to excessive clamping, and the rubber strip 48 increases the friction between the stator iron core and the stator iron core. , to prevent the stator core from slipping off the fixture during finishing.

Working process: the first step, feeding operation; the operator places the stator iron core on the lower fixture 43, and starts the clamping cylinder 45 to clamp the stator iron core;

The second step is the correction operation; the pushing device 2 drives the correction punching device 3 so that the correction mechanism 36 enters the stator iron core, and the opening and closing mechanism 34 drives the triangular correction block 363 to correct the ventilation slot sheet and make the punching sheet 35 stick to the inner wall of the ventilation slot ;

The third step, finishing operation; the pushing device 2 drives the punching blade 35 to finish the inner wall of the ventilation groove, while the punching blade 35 also shapes the ventilation groove piece for many times;

The fourth step is stacking and stacking; the processed stator iron cores are removed, and the removed stator iron cores are stacked, and then a certain scale of stator iron core stacks are put into storage.

The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the description are only to illustrate the principle of the present invention, without departing from the spirit and scope of the present invention, the present invention will also There are various changes and modifications which fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a motor stator core finish machining automation equipment, includes base (1), thrust unit (2), corrects notching device (3) and clamping device (4), its characterized in that: the left side of the upper end of the base (1) is provided with a pushing device (2), the right end of the pushing device (2) is provided with a correction notching device (3), and the right side of the upper end of the base (1) is provided with a clamping device (4);

the pushing device (2) comprises a driving cylinder (21), a pushing frame (22) and connecting columns (23), the driving cylinder (21) is installed on the left side of the upper end of the base (1), the pushing frame (22) is installed at the right end of the driving cylinder (21), sliding grooves are symmetrically formed in the front side and the rear side of the upper end of the base (1), the sliding grooves are connected with the pushing frame (22) in a sliding mode, and the connecting columns (23) are evenly installed at the right end of the pushing frame (22) along the circumferential direction;

the correction notching device (3) comprises an outer cylinder (31), a rotating motor (32), a rotating shaft (33), an opening and closing mechanism (34), a notching sheet (35) and a correction mechanism (36), the outer barrel (31) is installed at the right end of the connecting column (23), the rotating motor (32) is installed at the left end of the outer barrel (31) through a motor support, the rotating motor (32) is located on the inner side of the connecting column (23), the right end of the rotating motor (32) is connected with one end of the rotating shaft (33) through a coupler, the rotating shaft (33) is installed on the inner walls of the left end and the right end of the outer barrel (31) through bearings, opposite threads are formed in the left side and the right side of the outer wall of the rotating shaft (33), the opening and closing mechanism (34) is connected with the rotating shaft (33) in a threaded connection mode, the opening and closing mechanism (34) is connected with the notching leaves (35) in a hinged mode;

the opening and closing mechanism (34) comprises a nut (341), a hinge block (342) and a hinge rod (343), the nut (341) is arranged on the rotating shaft (33) in a bilateral symmetry mode in a threaded connection mode, the nut (341) is respectively connected with opposite threads in a threaded connection mode, the hinge block (342) is uniformly arranged on the outer wall of the nut (341) along the circumferential direction, the hinge block (342) is connected with one end of the hinge rod (343) in a hinge mode, and the other end of the hinge rod (343) is connected with the inner end of the washgroove leaf (35) in a hinge mode;

the correcting mechanism (36) comprises a top withdrawing groove (361), a column groove (362), a triangular correcting block (363), a sliding column (364), an auxiliary spring (365) and a baffle plate (366), the top withdrawing groove (361) is formed in the right side of the upper end of a notching page (35), the column groove (362) is uniformly formed in the notching page (35) from left to right, the column groove (362) is located below the top withdrawing groove (361), the triangular correcting block (363) is connected with the top withdrawing groove (361) in a sliding mode, the sliding column (364) is installed at the lower end of the triangular correcting block (363), the baffle plate (366) is installed at the lower end of the sliding column (364), the baffle plate (366) is connected with the column groove (362) in a sliding mode, the auxiliary spring (365) is connected between the triangular correcting block (363) and the inner wall of the lower end of the top withdrawing groove (361), and the auxiliary spring (365) is sleeved on the.

2. The automatic motor stator core finishing device according to claim 1, wherein: clamping device (4) include stand (41), platform (42), anchor clamps (43) down, cushion (44), centre gripping cylinder (45), flat board (46), inclined clamping plate (47) and rubber strip (48), stand (41) are evenly installed along circumference in base (1) upper end, platform (42) are installed to stand (41) upper end, centre gripping cylinder (45) are installed to platform (42) lower extreme, flat board (46) are installed to centre gripping cylinder (45) lower extreme, dull and stereotyped (46) lower extreme longitudinal symmetry is provided with inclined clamping plate (47), inclined clamping plate (47) inner turns right from a left side and evenly is provided with rubber strip (48), anchor clamps (43) are installed down to base (1) upper end, evenly be provided with cushion (44) along circumference on lower anchor clamps (43) inner wall, lower anchor clamps (43) are located flat board (46) below.

3. The automatic motor stator core finishing device according to claim 2, wherein: oblique splint (47) from last down be for leaning out the structure, oblique splint (47) of symmetry mutually support and are the V font.

4. The automatic motor stator core finishing device according to claim 1, wherein: a through groove is formed in the outer barrel (31) along the circumferential direction, and the notching sheet (35) is connected with the through groove in a sliding mode.

5. The automatic motor stator core finishing device according to claim 1, wherein: the left side of the upper end of the notching sheet (35) is provided with polishing grains, the upper sides of the front end and the rear end of the notching sheet (35) are provided with polishing grains, and the polishing grains are S-shaped.

6. The automatic motor stator core finishing device according to claim 1, wherein: the connecting column (23) is connected with the outer cylinder (31) in a bolt connection or clamping connection mode.

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