CN215990450U

CN215990450U - Stepping motor with efficient heat dissipation structure

Info

Publication number: CN215990450U
Application number: CN202122367810.9U
Authority: CN
Inventors: 汪传红
Original assignee: Suzhou Dingtai Precision Machinery Co ltd
Current assignee: Suzhou Dingtai Precision Machinery Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-03-08
Anticipated expiration: 2031-09-28

Abstract

The utility model discloses a stepping motor with a high-efficiency heat dissipation structure, which comprises a motor shell and a heat dissipation assembly, wherein a rotor is arranged in the motor shell, damping assemblies for preventing motor resonance are arranged on two sides of the rotor, a square sleeve is arranged on one side of each damping assembly, a lubricating assembly for lubricating is arranged in each square sleeve, the heat dissipation assembly for dissipating heat of the motor is arranged on one side of the motor shell, and each heat dissipation assembly comprises a groove, a gear, a connecting ring, a fan blade, a connecting rod, a second mounting block and a threaded hole. This step motor with high-efficient heat radiation structure passes through radiator unit's setting and avoids the long-time work of motor, and too high temperature makes the internal circuit break down, increases the life of this motor, thereby reaches the effect that the shock attenuation was defibrillated through damper unit, increases the practicality of this motor, and the frictional force when making ball bearing self operation through lubricated subassembly reduces, makes its life increase.

Description

Stepping motor with efficient heat dissipation structure

Technical Field

The utility model relates to the technical field of stepping motors, in particular to a stepping motor with a high-efficiency heat dissipation structure.

Background

A stepper motor is an electric motor that converts electrical pulse signals into corresponding angular or linear displacements. The rotor rotates an angle or one step before inputting a pulse signal, the output angular displacement or linear displacement is proportional to the input pulse number, and the rotating speed is proportional to the pulse frequency. Therefore, the stepping motor is also called a pulse motor.

The existing stepping motor has the problem of poor heat dissipation function, when the stepping motor works, a winding has a resistor, loss can be generated when the stepping motor is electrified, the loss is in direct proportion to the square of the resistor and current, namely copper loss which is commonly known by people, harmonic loss can be generated if the current is not standard direct current or sine wave, an iron core has a hysteresis eddy current effect, loss can be generated in an alternating magnetic field, the size of the loss is related to materials, current, frequency and voltage, namely iron loss, the copper loss and the iron loss can be expressed in a heating mode, and therefore the efficiency of the motor is influenced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a stepping motor with a high-efficiency heat dissipation structure, so as to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a step motor with high-efficient heat radiation structure, includes motor housing and radiator unit, the inside rotor that is provided with of motor housing, and the rotor both sides all are provided with the damper unit who prevents motor resonance, damper unit one side is provided with square cover, and the inside lubricated subassembly that is used for lubricating function that installs of square cover for the motor is radiating radiator unit installs in motor housing one side, radiator unit includes recess, gear, go-between, flabellum, connecting rod, second installation piece and screw hole, the recess outside is provided with the gear, and gear external connection has the go-between, the flabellum is installed to the go-between outer wall, the connecting rod is all installed to the go-between both sides, connecting rod one side is provided with second installation piece, and the inside screw hole of seting up of second installation piece.

Preferably, the shock-absorbing component comprises a shock-absorbing pad, a telescopic block and an installation sleeve, wherein the telescopic block is arranged on one side of the shock-absorbing pad, and the installation sleeve is arranged on one side, far away from the shock-absorbing pad, of the telescopic block.

Preferably, the damping assembly further comprises an expansion spring, a supporting block and a first mounting block, the expansion spring is mounted inside the mounting sleeve, the supporting block is arranged on one side of the expansion spring, and the first mounting block is arranged on one side, far away from the expansion spring, of the supporting block.

Preferably, the telescopic blocks form a telescopic structure through telescopic springs and supporting blocks, and the number of the telescopic springs is two.

Preferably, the inner wall of the mounting sleeve is larger than the outer wall of the supporting block, and the mounting sleeve and the supporting block are distributed in a penetrating manner.

Preferably, the lubricating assembly comprises a mounting box, an oil inlet groove and an oil storage groove, the oil inlet groove is formed in the outer wall of the upper portion of the mounting box, and the oil storage groove is formed below the oil inlet groove.

Preferably, the lubricating component further comprises a first oil leakage groove, a roller and a second oil leakage groove, the first oil leakage groove is arranged below the oil storage groove, the roller is arranged below the first oil leakage groove, and the second oil leakage groove is arranged on the right side of the roller.

Preferably, the first oil leakage groove and the roller are vertically distributed, and the roller and the second oil leakage groove are distributed in parallel.

Preferably, the roller bearing outside is provided with ball bearing, and ball bearing central point puts and has run through the internal rotation axle, internal rotation axle one end is provided with the outward turning axle, and the outward turning axle outside is provided with outer cover, fixed screw has all been seted up to outer cover both sides.

The utility model provides a stepping motor with a high-efficiency heat dissipation structure, which has the following beneficial effects: this step motor with high-efficient heat radiation structure passes through radiator unit's setting and avoids the long-time work of motor, and too high temperature makes the internal circuit break down, increases the life of this motor, thereby reaches the effect that the shock attenuation was defibrillated through damper unit, increases the practicality of this motor, and the frictional force when making ball bearing self operation through lubricated subassembly reduces, makes its life increase.

1. The utility model can effectively carry out heat dissipation work on the interior of the motor through the arrangement of the heat dissipation component, the groove, the gear, the connecting ring, the fan blade, the connecting rod, the second mounting block and the threaded hole, when the stepping motor works, the winding has resistance, loss can be generated when the stepping motor is electrified, copper loss and iron loss can be expressed in a heating mode, so that the efficiency of the motor is influenced, the groove is arranged on the surface of the outer rotating shaft, the heat dissipation component is sleeved and mounted through the second mounting block and the threaded hole, the size of the groove is matched with that of the gear, when the motor is electrified, the outer rotating shaft is driven to rotate, the outer rotating shaft drives the fan blade to rotate through the groove and the gear, after the further fan blade rotates, the air in the inner part is driven to flow, the hot air in the inner part is exchanged with the cold air in the outer part, the inner part is cooled, the motor is prevented from working for a long time, and the fault of an inner circuit is caused by overhigh temperature, the service life of the motor is prolonged;

2. according to the vibration-damping device, through the arrangement of the vibration-damping component, the vibration-damping pad, the telescopic block, the mounting sleeve, the telescopic spring, the supporting block and the first mounting block, resonance inside the motor can be reduced, when the motor works, the rotor inside can vibrate inside, then resonance with the outside can occur, long-time resonance can enable internal circuit parts of the motor to loosen and fall off, the vibration-damping component is mounted through the first mounting block, then the telescopic spring inside the mounting sleeve can do telescopic motion while the rotor vibrates through the surrounding vibration-damping pads, and the supporting block can extrude and fix the telescopic spring to offset the vibration of the rotor, so that the vibration-damping defibrillation effect is achieved, and the practicability of the motor is improved;

3. according to the utility model, through the arrangement of the lubricating component, the mounting box, the oil inlet groove, the oil storage groove, the first oil leakage groove, the rolling shaft and the second oil leakage groove, the service life of the ball bearing is prolonged, lubricating grease is injected into the oil storage groove in the mounting box through the oil inlet groove, the oil storage groove flows to the rolling shaft through the first oil leakage groove, the ball bearing is attached to the outer wall of the rolling shaft, when the ball bearing rotates, the rolling shaft is driven to rotate, and the lubricating grease is injected into the ball bearing through the second oil leakage groove by the rolling shaft, so that the friction force of the ball bearing during self-operation is reduced, and the service life of the ball bearing is prolonged.

Drawings

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

FIG. 2 is a perspective view of the shock absorbing assembly of the present invention;

FIG. 3 is a perspective view of the lubrication assembly of the present invention;

fig. 4 is a schematic perspective view of a heat dissipation assembly according to the present invention.

In the figure: 1. a motor housing; 2. a rotor; 3. a shock absorbing assembly; 301. a shock pad; 302. a telescopic block; 303. installing a sleeve; 304. a tension spring; 305. a support block; 306. a first mounting block; 4. a square sleeve; 5. a lubrication assembly; 501. mounting a box; 502. an oil inlet groove; 503. an oil storage tank; 504. a first oil drain groove; 505. a roller; 506. a second oil leakage groove; 6. a ball bearing; 7. an inner rotating shaft; 8. an outer rotating shaft; 9. a housing cover; 10. fixing screw holes; 11. a heat dissipating component; 1101. a groove; 1102. a gear; 1103. a connecting ring; 1104. a fan blade; 1105. a connecting rod; 1106. a second mounting block; 1107. a threaded bore.

Detailed Description

As shown in fig. 1, a stepping motor with a high-efficiency heat dissipation structure, a rotor 2 is arranged inside a motor housing 1, both sides of the rotor 2 are provided with damping components 3 for preventing motor resonance, one side of the damping components 3 is provided with a square sleeve 4, a lubricating component 5 for lubricating is arranged inside the square sleeve 4, a heat dissipation component 11 for dissipating heat of the motor is arranged at one side of the motor housing 1, a ball bearing 6 is arranged outside a roller 505, an inner rotating shaft 7 penetrates through the center position of the ball bearing 6, one end of the inner rotating shaft 7 is provided with an outer rotating shaft 8, a housing cover 9 is arranged outside the outer rotating shaft 8, and both sides of the housing cover 9 are provided with fixing screw holes 10;

as shown in fig. 2, the damping assembly 3 includes a damping pad 301, a telescopic block 302 and a mounting sleeve 303, a telescopic block 302 is disposed on one side of the damping pad 301, the mounting sleeve 303 is disposed on one side of the telescopic block 302 away from the damping pad 301, the damping assembly 3 further includes a telescopic spring 304, a supporting block 305 and a first mounting block 306, a telescopic spring 304 is mounted inside the mounting sleeve 303, the telescopic spring 304 is disposed on one side of the telescopic spring 304, the supporting block 305 is disposed on one side of the telescopic spring 304, the telescopic block 302 forms a telescopic structure with the supporting block 305 through the telescopic spring 304, the number of the telescopic springs 304 is two, the inner wall of the mounting sleeve 303 is larger than the outer wall of the supporting block 305, and the mounting sleeve 303 and the supporting block 305 are distributed in a penetrating manner, when the motor works, the inner rotor 2 vibrates inside and then resonates with the outside, long-time resonates can loosen and cause internal circuit parts of the motor to fall off, the shock absorption assembly 3 is installed through the first installation block 306, the telescopic springs 304 in the installation sleeve 303 are made to do telescopic motion while the rotor 2 vibrates through the shock absorption pads 301 on the periphery, and the support blocks 305 can extrude and fix the telescopic springs 304 to offset the vibration of the rotor 2, so that the shock absorption and defibrillation effects are achieved, and the practicability of the motor is improved;

as shown in fig. 3, the lubricating assembly 5 includes a mounting box 501, an oil inlet tank 502 and an oil storage tank 503, the oil inlet tank 502 is disposed on the outer wall of the upper portion of the mounting box 501, the oil storage tank 503 is disposed below the oil inlet tank 502, the lubricating assembly 5 further includes a first oil leakage tank 504, a roller 505 and a second oil leakage tank 506, the first oil leakage tank 504 is disposed below the oil storage tank 503, the roller 505 is disposed below the first oil leakage tank 504, the second oil leakage tank 506 is disposed on the right side of the roller 505, the first oil leakage tank 504 and the roller 505 are vertically disposed, the roller 505 and the second oil leakage tank 506 are disposed in parallel, grease is injected into the oil storage tank 503 inside the mounting box 501 through the oil inlet tank 502, the oil storage tank 503 flows to the roller 505 through the first oil leakage tank 504, the ball bearing 6 is attached to the outer wall of the roller 505, when the ball bearing 6 rotates, the roller 505 is driven to rotate, the roller 505 injects grease into the ball bearing 6 through the second oil leakage tank 506, the friction force of the ball bearing 6 during self running is reduced, and the service life of the ball bearing is prolonged;

as shown in fig. 4, the heat dissipating assembly 11 includes a groove 1101, a gear 1102, a connecting ring 1103, fan blades 1104, connecting rods 1105, second mounting blocks 1106 and screw holes 1107, the gear 1102 is disposed outside the groove 1101, the connecting ring 1103 is connected outside the gear 1102, the fan blades 1104 are mounted on the outer wall of the connecting ring 1103, the connecting rods 1105 are mounted on both sides of the connecting ring 1103, the second mounting blocks 1106 are disposed on one side of the connecting rods 1105, the screw holes 1107 are disposed inside the second mounting blocks 1106, the groove 1101 is formed on the surface of the outer shaft 8 at this time, the heat dissipating assembly 11 is installed in a sleeving manner through the second mounting blocks 1106 and the screw holes 1107, the size of the groove 1101 is matched with that of the gear 1102, when the motor is powered on, the outer shaft 8 is driven to rotate, the fan blades 1104 are driven to rotate by the outer shaft 8 through the groove 1101 and the gear 1102, the inner air is driven to flow, so that the inner hot air is exchanged with the outer cold air, the interior is cooled, the motor is prevented from working for a long time, an internal circuit is prevented from being broken down due to overhigh temperature, and the service life of the motor is prolonged;

in summary, when the stepping motor with the efficient heat dissipation structure is used, firstly, an external power supply is connected to enable the motor to start working, when a stepping driver receives a pulse signal, the stepping motor is driven to rotate by a fixed angle according to a set direction, then, the surface of the outer rotating shaft 8 is provided with the groove 1101, the heat dissipation assembly 11 is sleeved and installed through the second installation block 1106 and the threaded hole 1107, the groove 1101 is matched with the size of the gear 1102, when the motor is electrified, the outer rotating shaft 8 is driven to rotate, the outer rotating shaft 8 drives the fan blade 1104 to rotate through the groove 1101 and the gear 1102, after the fan blade 1104 rotates, the air inside is driven to flow, so that the hot air inside is exchanged with the cold air outside, the inside is cooled, then, the lubricating grease is injected into the oil storage tank 503 inside the installation box 501 through the oil inlet tank 502, and the oil storage tank 503 flows to the roller 505 through the first oil leakage tank 504, ball bearing 6 pastes with roller 505 outer wall mutually, when ball bearing 6 rotates, drive roller 505 and rotate, roller 505 rethread second oil drain groove 506 pours lubricating grease into ball bearing 6 into, frictional force when making ball bearing 6 self operation reduces, long-time resonance can make the internal circuit part of motor take place to become flexible and drop, install damper assembly 3 through first installation piece 306 earlier, rethread damping pad 301 all around makes the inside expanding spring 304 of installation cover 303 be concertina movement when rotor 2 vibrates, supporting shoe 305 can extrude expanding spring 304 fixedly, offset rotor 2's vibration, thereby reach the effect of shock attenuation defibrillation, can control motor pivoted speed and acceleration through control pulse frequency simultaneously, this is exactly this step motor's that has high-efficient heat radiation structure work flow.

Claims

1. A stepping motor with a high-efficiency heat dissipation structure comprises a motor shell (1) and a heat dissipation assembly (11) and is characterized in that a rotor (2) is arranged inside the motor shell (1), shock absorption assemblies (3) for preventing motor resonance are arranged on two sides of the rotor (2), a square sleeve (4) is arranged on one side of each shock absorption assembly (3), a lubricating assembly (5) with a lubricating function is arranged inside each square sleeve (4), the heat dissipation assembly (11) for dissipating heat of the motor is installed on one side of the motor shell (1), the heat dissipation assembly (11) comprises a groove (1101), a gear (1102), a connecting ring (1103), fan blades (1104), a connecting rod (1105), a second installation block (1106) and a threaded hole (1107), the gear (1102) is arranged outside the groove (1101), and the connecting ring (1103) is connected to the gear (1102), flabellum (1104) are installed to go-between (1103) outer wall, connecting rod (1105) are all installed to go-between (1103) both sides, connecting rod (1105) one side is provided with second installation piece (1106), and the inside screw hole (1107) of seting up of second installation piece (1106).

2. The stepping motor with the efficient heat dissipation structure as recited in claim 1, wherein the shock absorption assembly (3) comprises a shock absorption pad (301), a telescopic block (302) and a mounting sleeve (303), the telescopic block (302) is arranged on one side of the shock absorption pad (301), and the mounting sleeve (303) is arranged on one side, away from the shock absorption pad (301), of the telescopic block (302).

3. The stepping motor with the efficient heat dissipation structure as claimed in claim 2, wherein the damping assembly (3) further comprises an expansion spring (304), a support block (305) and a first mounting block (306), the expansion spring (304) is mounted inside the mounting sleeve (303), the support block (305) is arranged on one side of the expansion spring (304), and the first mounting block (306) is arranged on one side of the support block (305) far away from the expansion spring (304).

4. The stepping motor with high heat dissipation efficiency as claimed in claim 3, wherein the telescopic blocks (302) are formed into a telescopic structure by the telescopic springs (304) and the supporting blocks (305), and the number of the telescopic springs (304) is two.

5. The stepping motor with the efficient heat dissipation structure as claimed in claim 3, wherein the inner wall of the mounting sleeve (303) is larger than the outer wall of the supporting block (305), and the mounting sleeve (303) and the supporting block (305) are distributed throughout.

6. The stepping motor with the efficient heat dissipation structure as claimed in claim 1, wherein the lubricating assembly (5) comprises a mounting box (501), an oil inlet groove (502) and an oil storage groove (503), the oil inlet groove (502) is formed in the outer wall of the upper portion of the mounting box (501), and the oil storage groove (503) is formed below the oil inlet groove (502).

7. The stepping motor with high-efficiency heat dissipation structure as recited in claim 6, wherein the lubricating assembly (5) further comprises a first oil leakage groove (504), a roller (505) and a second oil leakage groove (506), the first oil leakage groove (504) is arranged below the oil storage groove (503), the roller (505) is arranged below the first oil leakage groove (504), and the second oil leakage groove (506) is arranged at the right side of the roller (505).

8. The stepping motor with high heat dissipation efficiency as claimed in claim 7, wherein the first oil leakage groove (504) is vertically distributed with the roller (505), and the roller (505) and the second oil leakage groove (506) are distributed in parallel.

9. The stepping motor with high heat dissipation efficiency as claimed in claim 7, wherein a ball bearing (6) is disposed outside the roller (505), an inner shaft (7) penetrates through a center position of the ball bearing (6), an outer shaft (8) is disposed at one end of the inner shaft (7), an outer cover (9) is disposed outside the outer shaft (8), and fixing screw holes (10) are formed on both sides of the outer cover (9).