CN217800636U

CN217800636U - Online surface roundness correction device for motor commutator

Info

Publication number: CN217800636U
Application number: CN202222186325.6U
Authority: CN
Inventors: 彭小龙
Original assignee: Sichuan Yadong Cement Co ltd
Current assignee: Sichuan Yadong Cement Co ltd
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2022-11-15
Anticipated expiration: 2032-08-19

Abstract

The utility model provides an online surface school of motor commutator circle device belongs to the motor and repairs school circle technical field. Including the frame, whet a knife and centre gripping subassembly, the frame includes base, lower slider and top shoe, and the base can be dismantled and connect on the shell of motor, and the lower slider slides and sets up on the base, and the top shoe slides and sets up under on the slider, and the slip direction mutually perpendicular of lower slider and top shoe, centre gripping subassembly set up on the top shoe and be used for the fixed whet a knife of centre gripping. Through directly fixing the frame on the shell of motor, rethread slip top shoe and lower slider make the laminating of whetting a knife the surface of motor commutator again, the starter motor begins to carry out the school circle operation to the commutator of motor promptly, need not to carry out the school circle operation to the commutator alone by the workman after pulling down the commutator of motor again, has the improvement to the correction efficiency of motor commutator, simple structure, effect easy and simple to handle.

Description

Online surface roundness correction device for motor commutator

Technical Field

The utility model relates to a motor repair school circle technical field especially relates to an online surface school circle device of motor commutator.

Background

When the motor rotates, the related winding coil passes through the same directional magnetic field twice every revolution, so that the direction of induced current in the winding is changed, and the function of the commutator is to keep the direction of output current unchanged.

When the traditional direct current motor commutator is worn, the rotor needs to be integrally disassembled, and the rotor is moved to a lathe to be subjected to roundness correction and leveling and then is installed back to the site, so that the disassembly and assembly cost is increased, the time is consumed, and the production is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the utility model provides an online surface school of motor commutator circle device.

In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows:

the utility model provides an online surface roundness correction device of motor commutator, the test platform comprises a support, whet a knife and centre gripping subassembly, the frame includes the base, lower slider and top shoe, the base can be dismantled and connect on the shell of motor, the lower slider slides and sets up on the base, the top shoe slides and sets up on the slider down, the slip direction mutually perpendicular of slider and top shoe down, be provided with the first spacing subassembly that is used for restricting the slider removal down and be used for restricting the spacing subassembly of second that the slider removed on base and the slider down respectively, the centre gripping subassembly sets up on the top shoe, the centre gripping subassembly is used for the fixed whet a knife of centre gripping.

Further, first spacing subassembly includes first knob, first lead screw and first screw sleeve, and first knob and first lead screw all rotate the setting on the base, and first knob is connected with first lead screw transmission, and first knob is used for ordering about first lead screw and rotates, and first screw sleeve is fixed to be set up under on the slider, first screw sleeve and first lead screw threaded connection.

Further, the second limiting assembly comprises a second knob and a second lead screw, the second knob and the second lead screw are both rotatably arranged on the lower sliding block, the second knob is coaxially connected with the second lead screw, the second knob is coaxially connected to one end of the second lead screw, a threaded hole matched with the second lead screw is formed in the upper sliding block, and the second lead screw is in threaded connection with the threaded hole in the upper sliding block.

Furthermore, a first helical gear is coaxially and fixedly connected to the first knob, a second helical gear is coaxially and fixedly connected to the first lead screw, the first helical gear is meshed with the second helical gear, and the axis of the first knob is parallel to the axis of the second knob.

Further, the centre gripping subassembly includes briquetting, screw rod and fastening nut, and the screw rod vertical fixation sets up at the top of top shoe, and parallel arrangement has two piece at least screw rods on the top shoe, set up on the briquetting with the mounting hole of screw rod size adaptation, and the briquetting overlaps through the mounting hole slip cap and establishes on the screw rod, whets a knife and sets up between briquetting and top shoe, and fastening nut threaded connection is on the screw rod to the fastening nut butt is kept away from on the lateral wall of whetting a knife at the briquetting.

Furthermore, the pressing block extends towards two sides by taking the axis of the screw rod as a center, two grinding knives are arranged between the pressing block and the upper sliding block and are respectively positioned at two sides of the screw rod, and the two grinding knives are respectively used for coarse grinding and fine grinding.

Further, the cover is equipped with the spring on the screw rod, the one end and the last slider butt of spring, the other end and briquetting butt, and the spring is used for ordering about the briquetting and keeps away from the top shoe.

The embodiment of the application provides an online surface rounding device of motor commutator, including frame, whet a knife and centre gripping subassembly, the frame includes base, lower slider and top shoe, and the base can be dismantled and connect on the shell of motor, and the lower slider slides and sets up on the base, and the top shoe slides and sets up under on the slider, and the slip direction mutually perpendicular of lower slider and top shoe, centre gripping subassembly set up on the top shoe and are used for the fixed whet a knife of centre gripping.

The utility model has the advantages that: through directly fixing the frame on the shell of motor, rethread slip top shoe and lower slider make the laminating of whetting a knife the surface of motor commutator again, the starter motor begins to carry out the school circle operation to the commutator of motor promptly, need not to carry out the school circle operation to the commutator alone by the workman after pulling down the commutator of motor again, improves the correction efficiency to the motor commutator, simple structure, and is easy and simple to handle.

Drawings

Fig. 1 is a schematic overall structure diagram of a circle calibration device according to an embodiment of the present application.

Fig. 2 is a schematic partial sectional view of a rounding device according to an embodiment of the present application.

Wherein, 1, a base; 2. a lower slide block; 3. an upper slide block; 4. sharpening the knife; 5. a clamping assembly; 51. briquetting; 52. a screw; 53. fastening a nut; 54. a spring; 6. a first limit component; 61. a first knob; 62. a first lead screw; 63. a first threaded sleeve; 64. a first helical gear; 65. a second helical gear; 7. A second limiting component; 71. a second knob; 72. a second lead screw; 73. a threaded bore.

Detailed Description

In order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the attached drawings of the specification and specific embodiments.

The embodiment of the application discloses online surface rounding device of motor commutator, refers to fig. 1, including frame, whet a knife 4 and clamping components 5. The frame is including superimposed base 1, lower slider 2 and last slider 3 in proper order, and base 1 can be dismantled and connect on the shell of the motor that needs carry out the school circle to the commutator, and lower slider 2 slides and connects on base 1 is close to the wall of motor commutator, and last slider 3 slides and connects on the wall that base 1 was kept away from to slider 2 down, and last slider 3 and lower slider 2's slip direction mutually perpendicular. The clamping component 5 is arranged on one side, far away from the lower sliding block 2, of the upper sliding block 3, and the clamping component 5 is used for clamping and fixing the knife sharpener 4. The base 1 is provided with a first limiting component 6 for limiting the movement of the lower sliding block 2, and the lower sliding block 2 is provided with a second limiting component 7 for limiting the movement of the upper sliding block 3.

Fix the frame on the shell of motor through directly, rethread slip top shoe 3 and lower slider 2 make 4 laminating of whetting a knife the surface of motor commutator again, the starter motor begins to carry out the school circle operation to the commutator of motor promptly, need not to carry out the school circle operation to the commutator alone by the workman after pulling down the commutator of motor again, improves the correction efficiency to the motor commutator, simple structure, and is easy and simple to handle.

Referring to fig. 1 and 2, in the embodiment of the present application, a base 1 is detachably coupled to an object of a motor by bolts. The first limiting component 6 comprises a first knob 61, a first screw rod 62 and a first threaded sleeve 63, a sliding rail parallel to the sliding direction of the lower slider 2 is arranged on the base 1, and the lower slider 2 is slidably mounted on the sliding rail. The first knob 61 is rotatably mounted on the base 1, the first lead screw 62 is rotatably mounted on the base 1, the axis of the first lead screw 62 is parallel to the sliding direction of the lower slider 2, and the first knob 61 is in transmission connection with the first lead screw 62. The first threaded sleeve 63 is fixedly connected to the bottom of the lower slider 2, and the first threaded sleeve 63 is in threaded connection with the first lead screw 62.

The second limiting assembly 7 comprises a second knob 71 and a second lead screw 72, a sliding groove is formed in the wall surface, close to the upper sliding block 3, of the lower sliding block 2 along the sliding direction of the upper sliding block 3, the cross section of the sliding groove is in a dovetail shape, a dovetail block matched with the sliding groove in the lower sliding block 2 is integrally connected to the upper sliding block 3, and the dovetail block is embedded in the sliding groove in a sliding mode. The second knob 71 and the second screw rod 72 are both rotatably connected to the lower slide block 2, the second knob 71 is coaxially and fixedly connected to one end of the second screw rod 72, a dovetail block of the upper slide block 3 is provided with a threaded hole 73 matched with the second screw rod 72, and the second screw rod 72 is threaded in the threaded hole 73. When the second knob 71 is rotated, the second screw rod 72 is in threaded fit with the threaded hole 73 on the dovetail block, so that the upper slide block 3 is driven to move relative to the lower slide block 2.

Referring to fig. 2, further, in order to facilitate quick adjustment of the first knob 61 and the second knob 71 by the worker, in the embodiment of the present application, a first helical gear 64 is further fixedly connected to the first knob 61 coaxially, a second helical gear 65 is fixedly connected to the first lead screw 62 coaxially, and the first helical gear 64 is engaged with the second helical gear 65. The first bevel gear 64 and the second bevel gear 65 are used for transmission, so that the axis of the first knob 61 and the axis of the first lead screw 62 are perpendicular to each other, the first knob 61 and the second knob 71 face to the same side of the device, and the operation of a worker is facilitated.

The clamping assembly 5 comprises a pressing block 51, screw rods 52 and fastening nuts 53, the screw rods 52 are perpendicularly and fixedly connected to one side, away from the lower sliding block 2, of the upper sliding block 3 through interference fit, at least two screw rods 52 are arranged on the upper sliding block 3 in a parallel mode, in the embodiment of the application, the screw rods 52 are two, mounting holes matched with the sizes of the screw rods 52 are formed in the pressing block 51, the two screw rods 52 are arranged in the mounting holes in a penetrating mode in a one-to-one mode, the fastening nuts 53 are connected to the screw rods 52 through threads, and the fastening nuts 53 are abutted to the side wall, away from the lower sliding block 2, of the upper sliding block 3. The sharpening 4 is arranged between the pressing block 51 and the upper sliding block 3, and the pressing block 51 is pushed to press down through the fastening nut 53, so that the sharpening 4 can be pressed and fixed.

Furthermore, the pressing block 51 extends from two sides of the central plane by taking the common plane where the axes of the two screws 52 are located, two sharpening knives 4 are arranged between the pressing block 51 and the upper sliding block 3, the two sharpening knives 4 are respectively located at two sides of the screws 52, and the two sharpening knives 4 have different grinding precisions and are respectively used for rough grinding and fine grinding. The staff adjusts the position of the knife sharpening 4 participating in the work by properly selecting the knife sharpening 4 with proper precision and then jointly operating the first knob 61 and the second knob 71, and the rough grinding and the fine grinding operation of the motor commutator can be conveniently and quickly replaced.

Further, in the present embodiment, a spring 54 is further sleeved on the two screws 52, one end of the spring 54 abuts against the upper slider 3, and the other end abuts against the pressing block 51. The spring 54 is used for driving the pressing block 51 to be away from the upper sliding block 3, when the knife 4 is switched and adjusted in position, the fastening nut 53 is unscrewed by a worker, the pressing block 51 can be pushed to rise by the spring 54, and the worker can adjust the knife 4 more quickly and conveniently.

The implementation principle of the online surface rounding device for the motor commutator in the embodiment of the application is as follows: the staff passes through bolted connection with base 1 and fixes on the shell of motor, through rotating first knob 61 and second knob 71, adjust 4 positions of whetting a knife, so that 4 commutators surfaces that are close to the motor of whetting a knife, then, the starter motor, make the commutators rotate, finely tune 4 positions of whetting a knife again, make 4 of whetting a knife press close to the commutators surfaces, along with the commutators constantly rotates, 4 of whetting a knife can carry out online school circle to the surface of commutators, need not the staff and tear the commutators out from the motor again and rectify, the efficiency of correction is improved, and motor commutator axiality has effectively been kept.

It should be apparent to those skilled in the art that while the preferred embodiments of the present invention have been described, additional variations and modifications to those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the technical range equivalent to the machine of the claims, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides an online surface of motor commutator school circle device which characterized in that: including frame, whet a knife (4) and centre gripping subassembly (5), the frame includes base (1), lower slider (2) and top shoe (3), the connection can be dismantled on the shell of motor in base (1), slider (2) slide down and set up on base (1), top shoe (3) slide and set up under on slider (2), the slip direction mutually perpendicular of slider (2) and top shoe (3) down, be provided with respectively on base (1) and lower slider (2) and be used for restricting first spacing subassembly (6) that slider (2) removed down and be used for restricting the spacing subassembly (7) of second that slider (3) removed, centre gripping subassembly (5) set up on top shoe (3), centre gripping subassembly (5) are used for the fixed whet a knife (4) of centre gripping.

2. The on-line surface rounding device for the motor commutator, according to claim 1, is characterized in that the first limiting assembly (6) comprises a first knob (61), a first lead screw (62) and a first threaded sleeve (63), the first knob (61) and the first lead screw (62) are both rotatably disposed on the base (1), the first knob (61) is in transmission connection with the first lead screw (62), the first knob (61) is used for driving the first lead screw (62) to rotate, the first threaded sleeve (63) is fixedly disposed on the lower slider (2), and the first threaded sleeve (63) is in threaded connection with the first lead screw (62).

3. The on-line surface rounding device for the motor commutator, according to claim 2, is characterized in that the second limiting assembly (7) comprises a second knob (71) and a second lead screw (72), the second knob (71) and the second lead screw (72) are both rotatably arranged on the lower slider (2), the second knob (71) is coaxially connected with the second lead screw (72), the second knob (71) is coaxially connected with one end of the second lead screw (72), a threaded hole (73) matched with the second lead screw (72) is formed in the upper slider (3), and the second lead screw (72) is in threaded connection with the threaded hole (73) in the upper slider (3).

4. The on-line surface rounding device for the motor commutator of claim 3, wherein a first bevel gear (64) is coaxially and fixedly connected to the first knob (61), a second bevel gear (65) is coaxially and fixedly connected to the first lead screw (62), the first bevel gear (64) is meshed with the second bevel gear (65), and the axis of the first knob (61) is parallel to the axis of the second knob (71).

5. The on-line surface rounding device for the motor commutator, according to any one of claims 1 to 4, is characterized in that the clamping assembly (5) comprises a pressing block (51), a screw (52) and a fastening nut (53), the screw (52) is vertically and fixedly arranged at the top of the upper sliding block (3), at least two screws (52) are arranged on the upper sliding block (3) in parallel, a mounting hole matched with the screw (52) in size is formed in the pressing block (51), the pressing block (51) is slidably sleeved on the screw (52) through the mounting hole, the mill knife (4) is arranged between the pressing block (51) and the upper sliding block (3), the fastening nut (53) is in threaded connection with the screw (52), and the fastening nut (53) abuts against the side wall, away from the mill knife (4), of the pressing block (51).

6. The on-line surface rounding device for the motor commutator, according to claim 5, is characterized in that the pressing block (51) extends towards two sides by taking the axis of the screw (52) as a center, two grinding knives (4) are arranged between the pressing block (51) and the upper sliding block (3), the two grinding knives (4) are respectively arranged at two sides of the screw (52), and the two grinding knives (4) are respectively used for rough grinding and fine grinding.

7. The on-line surface roundness correcting device for the motor commutator according to claim 6, wherein the screw rod (52) is sleeved with a spring (54), one end of the spring (54) abuts against the upper slide block (3), the other end of the spring abuts against the pressing block (51), and the spring (54) is used for driving the pressing block (51) to be away from the upper slide block (3).