Hole expanding mechanism of motor end ring

Abstract

The utility model discloses a reaming mechanism for a motor end ring, which comprises a frame body, an air cylinder is fixed on the outer wall of the top of the frame body through bolts, the extending end of the air cylinder penetrates through the frame body and is fixed with a connecting plate through bolts, a motor is fixed at the bottom of the connecting plate through bolts, and an output shaft of the motor is in key connection with a connector. According to the utility model, through the arrangement of the drill bit and the cutter, the motor drives the drill bit to rotate to open the hole in the end ring of the motor, and when the size of the hole is the same as that of the drill bit, the drill bit stops rotating and continues to move downwards, so that the end ring of the motor can be drilled, and the end ring of the motor can be drilled. The tool is in contact with the hole, then the motor is started and drives the drill bit to rotate, the drill bit rotates to generate centrifugal force, the sliding frame and the tool move outwards, and therefore secondary hole opening is conducted on the hole, and the hole opening effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of motor processing, in particular to a hole expanding mechanism for a motor end ring. Background Art

[0002] The motor is composed of multiple parts, one of which is the motor end ring. There will be mounting holes on the motor end ring. The hole spacing will be different depending on the motor it is installed on.

[0003] After searching, the reaming device for motor end ring processing disclosed with announcement number CN219093750U can expand the motor end ring with the corresponding inner diameter specification according to the inner diameter specification of the motor end ring to be processed by adapting the reaming component, and cooperate with the motor and hydraulic cylinder to expand the motor end ring with the corresponding inner diameter specification, thereby improving the adaptability of the device and the utilization rate of parts. However, when expanding the hole, the spring is subjected to force, and the spring is easily deformed during the downward pressure process, resulting in poor hole opening effect. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a hole expansion mechanism for an end ring of a motor.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A hole expanding mechanism for an end ring of a motor comprises a frame, a cylinder is fixed to the top outer wall of the frame by bolts, an extending end of the cylinder passes through the frame and is fixed to a connecting plate by bolts, a motor is fixed to the bottom of the connecting plate by bolts, an output shaft of the motor is keyed to a connecting head, a drill bit is fixed to the bottom of the connecting head by bolts, a plurality of sliding grooves are provided on the circumferential outer wall of the drill bit, a slide is slidably connected in the sliding grooves, a tool is fixed to the outer wall of one side of the slide by bolts, a tension spring is welded to the inner wall of one side of the slide, and the tension spring is fixed to the sliding groove, a limiting mechanism for limiting the sliding distance of the slide is provided in the drill bit, and a clamping mechanism for fixing the end ring of the motor is provided on the bottom inner wall of the frame.

[0007] As a further solution of the utility model, the limiting mechanism includes a guide groove, which is opened in the center of the drill bit and is connected to the slide groove. The bottom inner wall of the guide groove is rotatably connected with a bidirectional screw rod. Two limit frames are slidably connected between the inner walls around the guide groove, and the two limit frames are threadedly connected to the bidirectional screw rod. The inner walls on both sides of the plurality of slides are fixed with limiting columns by bolts, and the limit columns are in contact with the limit frames.

[0008] As a further solution of the utility model, the clamping mechanism includes two electric telescopic rods, which are respectively fixed to the inner walls on both sides of the frame by bolts, and the extending ends of the two electric telescopic rods are fixed with clamping plates by bolts.

[0009] As a further solution of the utility model, an outer wall of one side of the drill bit is provided with an avoidance groove, a turntable is rotatably connected in the avoidance groove, a connecting rod is bonded to the bottom of the turntable, and the connecting rod is fixed to the bidirectional screw rod.

[0010] As a further solution of the utility model, fixing frames are fixed to the inner walls on both sides of the frame body by bolts, and a plurality of drawers are arranged between the fixing frames and the frame body.

[0011] As a further solution of the utility model, two guide rods are fixed to the bottom inner walls of the two fixing frames by bolts, and the two guide rods are fixed to the frame body, and the connecting plate is slidably connected to the guide rods.

[0012] As a further solution of the utility model, a rubber pad is bonded to one side of the two clamping plates.

[0013] The beneficial effects of the utility model are:

[0014] 1. The utility model arranges the drill bit and the tool, and the motor drives the drill bit to rotate, and the motor end ring is opened. When the size of the hole is the same as the size of the drill bit, the rotation is stopped, and the drill bit is continuously moved downward to make the tool contact with the hole, and then the motor is started, and the motor drives the drill bit to rotate. The rotation of the drill bit generates centrifugal force, which moves the slide and the tool outward, thereby performing a secondary hole opening on the hole, so that the hole opening effect is better.

[0015] 2. The utility model sets a limit mechanism, and the turntable drives the connecting rod and the bidirectional screw to rotate, so that the two limit frames move toward each other and the limit frames are out of contact with the limit columns, so that the centrifugal force generated when the drill bit rotates can drive the slide and the tool to move outward, thereby opening holes of different diameters, thereby improving the applicability of the device.

[0016] 3. The utility model provides a clamping mechanism, and the electric telescopic rod drives the clamping plate to move, so that the rubber pad contacts the motor end ring, thereby completing the fixation of the motor end ring and improving the fixing effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional structural schematic diagram of a hole expansion mechanism for a motor end ring proposed by the utility model;

[0018] Figure 2 It is a partial cross-sectional structural schematic diagram of a hole expansion mechanism of a motor end ring proposed by the utility model;

[0019] Figure 3 This is a partially enlarged structural schematic diagram of a hole expansion mechanism for a motor end ring proposed by the utility model.

[0020] In the figure: 1. frame; 2. connecting plate; 3. cylinder; 4. fixing frame; 5. connecting head; 6. guide rod; 7. rubber pad; 8. clamping plate; 9. electric telescopic rod; 10. drill bit; 11. tool; 12. avoidance groove; 13. slide groove; 14. connecting rod; 15. two-way screw rod; 16. guide groove; 17. limit frame; 18. turntable; 19. tension spring; 20. slide; 21. limit column. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0022] Reference Figure 1-Figure 3 A hole-expanding mechanism for an end ring of a motor comprises a frame 1, a cylinder 3 is fixed to the top outer wall of the frame 1 by bolts, a connecting plate 2 is fixed to the extending end of the cylinder 3 through the frame 1 by bolts, a motor is fixed to the bottom of the connecting plate 2 by bolts, a connector 5 is keyed to the output shaft of the motor, a drill bit 10 is fixed to the bottom of the connector 5 by bolts, a plurality of slide grooves 13 are provided on the circumferential outer wall of the drill bit 10, a slide 20 is slidably connected in the slide groove 13, a tool 11 is fixed to the outer wall of one side of the slide 20 by bolts, a tension spring 19 is welded to the inner wall of one side of the slide 20, and the tension spring 19 is fixed to the slide groove 13, a limiting mechanism for limiting the sliding distance of the slide 20 is provided in the drill bit 10, and a fixing mechanism for fixing the end ring of the motor is provided on the bottom inner wall of the frame 1 The clamping mechanism is used to place the motor end ring on the bottom inner wall of the frame body 1, and the motor end ring is clamped and fixed by the clamping mechanism. The cylinder 3 and the motor are started. The cylinder 3 drives the connecting plate 2 and the drill bit 10 to move downward, so that the drill bit 10 contacts the motor end ring. The motor drives the drill bit 10 to rotate and drill a hole in the motor end ring. When the size of the hole is the same as the size of the drill bit 10, the rotation is stopped, and the drill bit 10 is continued to move downward so that the tool 11 contacts the hole. Then the motor is started, and the motor drives the drill bit 10 to rotate. The rotation of the drill bit 10 generates centrifugal force, so that the slide 20 and the tool 11 move outward, thereby drilling the hole for the second time, and the limit mechanism is used to limit the distance that the slide 20 slides outward to achieve the hole opening size, so that the hole opening effect is better.

[0023] The limiting mechanism includes a guide groove 16, which is provided at the center of the drill bit 10, and the guide groove 16 is connected to the slide groove 13, and the bottom inner wall of the guide groove 16 is rotatably connected with a bidirectional screw rod 15, and two limiting frames 17 are slidably connected between the inner walls around the guide groove 16, and the two limiting frames 17 are threadedly connected to the bidirectional screw rod 15, and the inner walls on both sides of the plurality of slides 20 are fixed with limiting columns 21 by bolts, and the limiting columns 21 are in contact with the limiting frames 17, and an outer wall on one side of the drill bit 10 is provided with a avoiding position Groove 12, a turntable 18 is rotatably connected in the avoidance groove 12, a connecting rod 14 is bonded to the bottom of the turntable 18, and the connecting rod 14 is fixed to the bidirectional screw rod 15. When the turntable 18 is rotated, the turntable 18 drives the connecting rod 14 and the bidirectional screw rod 15 to rotate, so that the two limit frames 17 move toward each other, and the limit frames 17 are out of contact with the limit columns 21, so that the centrifugal force generated when the drill bit 10 rotates can drive the slide 20 and the tool 11 to move outward, so that holes of different diameters can be opened, thereby improving the applicability of the device.

[0024] Among them, the clamping mechanism includes two electric telescopic rods 9, which are respectively fixed to the inner walls of the frame 1 on both sides by bolts. The extended ends of the two electric telescopic rods 9 are fixed with clamps 8 by bolts. One side of the two clamps 8 is bonded with rubber pads 7. When the electric telescopic rod 9 is started, the electric telescopic rod 9 drives the clamps 8 to move, so that the rubber pads 7 contact the motor end ring, thereby completing the fixation of the motor end ring and improving the fixing effect of the device.

[0025] Among them, the inner walls on both sides of the frame 1 are fixed with fixing frames 4 by bolts, and multiple drawers are arranged between the fixing frames 4 and the frame 1, and other commonly used tools can be placed in the drawers. The bottom inner walls of the two fixing frames 4 are fixed with two guide rods 6 by bolts, and the two guide rods 6 are fixed to the frame 1, and the connecting plate 2 is slidably connected to the guide rods 6 to guide the movement of the connecting plate 2, so that the movement of the connecting plate 2 is smoother.

[0026] Working principle: when it is necessary to drill a hole in the motor end ring, start the electric telescopic rod 9, which drives the clamping plate 8 to move, so that the rubber pad 7 contacts the motor end ring, thereby completing the fixation of the motor end ring, start the cylinder 3 and the motor, and the cylinder 3 drives the connecting plate 2 and the drill bit 10 to move downward, so that the drill bit 10 contacts the motor end ring, and the motor drives the drill bit 10 to rotate to drill a hole in the motor end ring. When the size of the hole is the same as the size of the drill bit 10, stop rotating, and then rotate the turntable 18, and the turntable 18 drives the connecting rod 14 and the bidirectional screw 15 to rotate, so that the two limit frames 17 move toward each other, and the limit frame 17 is out of contact with the limit column 21, so that the centrifugal force generated when the drill bit 10 rotates can drive the slide 20 and the tool 11 to move outward, so that holes of different diameters can be opened, and the motor is started, and the motor drives the drill bit 10 to rotate, and the rotation of the drill bit 10 generates centrifugal force, so that the slide 20 and the tool 11 move outward, thereby performing a secondary drilling of the hole.

[0027] Finally, it should be noted that: for those skilled in the art, they can still modify the technical solutions recorded in the above embodiments, or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this utility model shall be included in the protection scope of this utility model.

Claims

1. A hole expansion mechanism for a motor end ring, comprising a frame (1), characterized in that: The top outer wall of the frame (1) is fixedly connected to a cylinder (3), the extended end of the cylinder (3) passes through the frame (1) and is fixedly connected to a connecting plate (2), the bottom of the connecting plate (2) is fixedly connected to a motor, the output shaft of the motor is fixedly connected to a connector (5), the bottom of the connector (5) is fixedly connected to a drill bit (10), a plurality of slide grooves (13) are provided on the circumferential outer wall of the drill bit (10), a slide (20) is slidably connected in the slide groove (13), a tool (11) is fixedly connected to an outer wall of one side of the slide (20), a tension spring (19) is fixedly connected to an inner wall of one side of the slide (20), and the tension spring (19) is fixed to the slide groove (13), a limiting mechanism for limiting the sliding distance of the slide (20) is provided in the drill bit (10), and a clamping mechanism for fixing the motor end ring is provided on the bottom inner wall of the frame (1).

2. The hole expansion mechanism of a motor end ring according to claim 1, characterized in that: The limiting mechanism comprises a guide groove (16), the guide groove (16) is arranged at the center of the drill bit (10), and the guide groove (16) is connected to the slide groove (13), the bottom inner wall of the guide groove (16) is rotatably connected with a bidirectional screw rod (15), two limiting frames (17) are slidably connected between the inner walls around the guide groove (16), and the two limiting frames (17) are threadedly connected to the bidirectional screw rod (15), and the inner walls on both sides of the plurality of slides (20) are fixedly connected with limiting columns (21), and the limiting columns (21) are in contact with the limiting frames (17).

3. The hole expansion mechanism of a motor end ring according to claim 1, characterized in that: The clamping mechanism comprises two electric telescopic rods (9), which are respectively fixedly connected to the inner walls on both sides of the frame (1), and the extending ends of the two electric telescopic rods (9) are fixedly connected to clamping plates (8).

4. The hole expansion mechanism of a motor end ring according to claim 2, characterized in that: An avoidance groove (12) is provided on one side outer wall of the drill bit (10), a turntable (18) is rotatably connected in the avoidance groove (12), a connecting rod (14) is fixedly connected to the bottom of the turntable (18), and the connecting rod (14) is fixed to a bidirectional screw rod (15).

5. The hole expansion mechanism of a motor end ring according to claim 1, characterized in that: The inner walls on both sides of the frame body (1) are fixedly connected to fixed frames (4), and a plurality of drawers are arranged between the fixed frames (4) and the frame body (1).

6. The hole expansion mechanism of a motor end ring according to claim 5, characterized in that: The bottom inner walls of the two fixed frames (4) are fixedly connected to two guide rods (6), and the two guide rods (6) are fixed to the frame body (1), and the connecting plate (2) is slidably connected to the guide rods (6).

7. The hole expansion mechanism of a motor end ring according to claim 3, characterized in that: One side of the two clamping plates (8) is fixedly connected with a rubber pad (7).

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