CN218216892U

CN218216892U - Screw rod stepping motor with double-end lubricating mechanism

Info

Publication number: CN218216892U
Application number: CN202222338832.7U
Authority: CN
Inventors: 张新华
Original assignee: Guangzhou Zhongtian Motor Co ltd
Current assignee: Guangzhou Zhongtian Motor Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2023-01-03
Anticipated expiration: 2032-09-02

Abstract

The utility model relates to a lead screw step motor with bi-polar lubrication mechanism, including motor casing, the equal integrated into one piece in motor casing's both sides has connecting end, connecting end's inner chamber rotates and is connected with the pivot of using with the motor casing cooperation, the outside fixedly connected with lead screw of pivot, the fixed box of motor casing's top fixedly connected with, the inner chamber of fixed box is provided with the fuel feeding mechanism who uses with the pivot cooperation, fuel feeding mechanism includes the oil duct, the inner chamber at connecting end is seted up to the oil duct. Through setting up oil supply mechanism, by oil duct, oilhole, oil box, oil pump, three way connection, oil pipe and weighing sensor's cooperation, carry out the lubricated processing of fuel feeding to the link end and the pivot position at motor casing both ends, improve the rotation lubrication coefficient of pivot in the link end, avoid receiving external environment influence to lead to the pivot jamming to appear in the link end, guarantee lead screw step motor's operating behavior and normal work.

Description

Screw rod stepping motor with double-end lubricating mechanism

Technical Field

The utility model relates to a lead screw step motor technical field especially relates to lead screw step motor with lubricated mechanism of bi-polar.

Background

The screw rod stepping motor, or linear stepping motor, is rotated by the interaction of the magnetic rotor core and the pulse electromagnetic field generated by the stator, and the screw rod stepping motor converts the rotary motion into the linear motion in the motor.

The screw rod stepping motor is mainly used for driving a power source of a component, and is frequently used on equipment, and a screw rod stepping motor on the market at present can cause a clamping stagnation phenomenon due to the influence of an external environment in a long-term use process, so that the screw rod on the double-end position of the screw rod stepping motor can not be lubricated and hung by supplying oil, and the working performance and the normal use of the screw rod stepping motor are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that the existing screw rod on the screw rod step motor bi-polar position can't be supplied with oil and hang the processing among the prior art, and the screw rod step motor who has bi-polar lubrication mechanism who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

screw rod step motor with lubricated mechanism of bi-polar, including motor casing, the equal integrated into one piece in both sides of motor casing has the coupling end, the inner chamber of coupling end rotates and is connected with the pivot that uses with the motor casing cooperation, the outside fixedly connected with lead screw of pivot, the fixed box of top fixedly connected with of motor casing, the inner chamber of fixed box is provided with the fuel feeding mechanism who uses with the pivot cooperation.

Preferably, the oil supply mechanism includes an oil duct, the oil duct is provided in an inner cavity of the connecting end portion, oil holes communicated with the oil duct and matched with the oil duct are provided around the inner cavity of the connecting end portion, an oil box is fixedly connected to the inner cavity of the fixing box, an oil outlet of the oil box is communicated with an oil pump, an oil outlet of the oil pump is communicated with a three-way joint, two ends of the three-way joint are communicated with an oil pipe, one end of the oil pipe, close to the fixing box, is communicated with a metering sensor, and the other end of the oil pipe is communicated with an oil inlet of the oil duct.

Preferably, the oil duct adopts the design of annular cavity, the oilhole is the triangle equidistance state along the center department of pivot and distributes.

Preferably, an oil level sensor is embedded in the left side of the inner cavity of the oil box, one side, far away from the oil level sensor, of the oil box is communicated with an oil filling port, and a plug is arranged at the top of the oil filling port.

Preferably, the periphery of the fixing box is provided with heat dissipation through grooves, and the heat dissipation through grooves are distributed in a rectangular array shape.

Preferably, the opposite two sides of the connecting end part and the rotating shaft are both provided with a sealing groove, and an inner cavity of the sealing groove is provided with a sealing ring.

Preferably, one side of the top of the fixing box, which is far away from the plug, is provided with an indicator light from front to back, the indicator light positioned on the front side represents normal work, and the indicator light positioned on the rear side represents abnormal work.

The utility model discloses in, lead screw step motor with bi-polar lubrication mechanism through setting up oil supply mechanism, by oil duct, oilhole, oil box, oil pump, three way connection, oil pipe and weighing sensor's cooperation, carries out the lubricated processing of fuel feeding to the link end portion and the pivot position at motor casing both ends, improves the rotation lubrication coefficient of pivot in link end portion, avoids receiving external environment to influence to lead to the pivot jamming to appear in link end portion, guarantees lead screw step motor's operating behavior and normal work.

Through sealed recess and sealing washer, carry out sealing treatment between connection end portion and the pivot, avoid lubricating oil the condition that the weeping was thrown away to appear leaking, through oil level sensor, respond to the oil level of lubricating oil in the oil box in real time, convenient to use person in time to the oiling lubricating oil in the oil box.

Drawings

Fig. 1 is a schematic structural view of a lead screw stepping motor with a double-end lubrication mechanism according to the present invention;

fig. 2 is a partially exploded view of the structure of the lead screw stepping motor with a double-end lubrication mechanism according to the present invention;

fig. 3 is a front view of the oil supply mechanism of the present invention;

fig. 4 is a partial bottom sectional view of the structure of the connection end portion according to the present invention.

In the figure: 1. a motor housing; 2. a connecting end portion; 3. a rotating shaft; 4. a screw rod; 5. a fixing box; 6. an oil supply mechanism; 61. an oil duct; 62. an oil hole; 63. an oil box; 64. an oil pump; 65. a three-way joint; 66. an oil pipe; 67. a metering sensor; 7. a seal ring; 8. a fuel level sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-4, a lead screw stepping motor with a double-end lubrication mechanism, including a motor housing 1, both sides of the motor housing 1 are integrally formed with a connection end 2, an inner cavity of the connection end 2 is rotatably connected with a rotating shaft 3 used in cooperation with the motor housing 1, an outer side of the rotating shaft 3 is fixedly connected with a lead screw 4, a top fixedly connected with a fixing box 5 of the motor housing 1, an inner cavity of the fixing box 5 is provided with an oil supply mechanism 6 used in cooperation with the rotating shaft 3, by setting the oil supply mechanism 6, by an oil duct 61, an oil hole 62, an oil box 63, an oil pump 64, a three-way joint 65, an oil pipe 66 and a metering sensor 67, oil supply lubrication treatment is performed on the connection end 2 and the position of the rotating shaft 3 at both ends of the motor housing 1, a rotation lubrication coefficient of the rotating shaft 3 in the connection end 2 is improved, clamping stagnation of the rotating shaft 3 in the connection end 2 caused by external environment is avoided, and the operation performance and normal operation of the lead screw stepping motor are ensured.

Example two

The improvement on the basis of the first embodiment: a screw rod stepping motor with a double-end lubricating mechanism comprises a motor shell 1, wherein connecting end parts 2 are integrally formed on two sides of the motor shell 1, an inner cavity of each connecting end part 2 is rotatably connected with a rotating shaft 3 matched with the motor shell 1 for use, two opposite sides of each connecting end part 2 and the corresponding rotating shaft 3 are respectively provided with a sealing groove, the inner cavity of each sealing groove is provided with a sealing ring 7, sealing treatment is carried out between the connecting end parts 2 and the corresponding rotating shafts 3, the situation that lubricating oil leaks and is thrown out is avoided, a screw rod 4 is fixedly connected to the outer side of each rotating shaft 3, a fixing box 5 is fixedly connected to the top of the motor shell 1, indicator lamps are respectively arranged on one side, away from a plug, of the top of the fixing box 5 from front to back, the indicator lamps on the front side represent normal work, the indicator lamps on the back side represent abnormal work, and a user can conveniently check the current state of the screw rod stepping motor, the periphery of the fixed box 5 is provided with heat dissipation through grooves which are distributed in a rectangular array shape to carry out heat dissipation and ventilation treatment on heat in the fixed box 5, the inner cavity of the fixed box 5 is provided with an oil supply mechanism 6 matched with the rotating shaft 3 for use, the oil supply mechanism 6 comprises an oil duct 61, the oil duct 61 is arranged in the inner cavity of the connecting end part 2, the oil duct 61 adopts an annular cavity design, the periphery of the inner cavity of the connecting end part 2 is provided with oil holes 62 communicated and matched with the oil duct 61, the oil holes 62 are distributed along the center of the rotating shaft 3 in a triangular equidistant state to uniformly supply oil to the surface of the rotating shaft 3 for lubrication treatment, the inner cavity of the fixed box 5 is fixedly connected with an oil box 63, the left side of the inner cavity of the oil box 63 is embedded with an oil level sensor 8 to sense the oil level of the lubricating oil in the oil box 63 in real time, a user can conveniently and fill the lubricating oil into the oil box 63 in time, and one side of the oil box 63, which is far away from the oil level sensor 8 is communicated with an oil filling opening, and the top of the oil filler is provided with a plug, so that a user can conveniently and timely fill lubricating oil, meanwhile, the oil filler plays roles of anti-spilling and dustproof treatment, an oil outlet of the oil box 63 is communicated with the oil pump 64, an oil outlet of the oil pump 64 is communicated with the three-way joint 65, two ends of the three-way joint 65 are communicated with the oil pipe 66, one end of the oil pipe 66 close to the fixed box 5 is communicated with the metering sensor 67, the other end of the oil pipe 66 is communicated with an oil inlet of the oil duct 61, and through the arrangement of the oil supply mechanism 6, the oil duct 61, the oil hole 62, the oil box 63, the oil pump 64, the three-way joint 65, the oil pipe 66 and the metering sensor 67 are matched to supply oil and lubricate the positions of the connecting end part 2 and the rotating shaft 3 at two ends of the motor shell 1, so that the rotating lubrication coefficient of the rotating shaft 3 in the connecting end part 2 is improved, the clamping stagnation of the rotating shaft 3 in the connecting end part 2 caused by the influence of the external environment is avoided, and the running performance and the normal work of the stepping motor are ensured.

The utility model discloses in, after pivot 3 on two lead screws 4 rotates for a long time in the connecting end 2 at 1 both ends of motor casing, control oil pump 64 supplies three way connection 65 with the lubricating oil in the oil box 63 in, supply the lubricating oil mass in the oil duct 61 in to two oil pipe 66 by two sets of weighing transducer 67 and respond to in real time, the lubricating oil of predetermined measurement divides into two tunnel in two oil pipe 66 supplies the oil duct 61 of two sets of connecting end 2 afterwards, reachd two sets of pivot 3 surfaces by the oilhole 62 in two sets of connecting end 2 and carry out the lubricated work of fuel feeding, and by two sets of sealing washers 7 to seal between two sets of connecting end 2 and two sets of pivot 3 prevent leaking the processing can.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. Lead screw step motor with lubricated mechanism of bi-polar, including motor casing (1), its characterized in that: the equal integrated into one piece in both sides of motor casing (1) has connecting end portion (2), the inner chamber of connecting end portion (2) rotates and is connected with pivot (3) that use with the cooperation of motor casing (1), outside fixedly connected with lead screw (4) of pivot (3), the fixed box of top fixedly connected with (5) of motor casing (1), the inner chamber of fixed box (5) is provided with fuel feeding mechanism (6) that use with pivot (3) cooperation.

2. The lead screw stepping motor with the double-end lubricating mechanism according to claim 1, wherein the oil supply mechanism (6) comprises an oil passage (61), the oil passage (61) is arranged in an inner cavity of the connecting end portion (2), oil holes (62) communicated and matched with the oil passage (61) are formed in the periphery of the inner cavity of the connecting end portion (2), an oil box (63) is fixedly connected to an inner cavity of the fixing box (5), an oil outlet of the oil box (63) is communicated with an oil pump (64), an oil outlet of the oil pump (64) is communicated with a three-way joint (65), two ends of the three-way joint (65) are communicated with an oil pipe (66), one end, close to the fixing box (5), of the oil pipe (66) is communicated with a metering sensor (67), and the other end of the oil pipe (66) is communicated with an oil inlet of the oil passage (61).

3. The screw stepping motor with double-end lubrication mechanism according to claim 2, wherein the oil channel (61) is designed as an annular cavity, and the oil holes (62) are distributed in a triangular equidistant state along the center of the rotating shaft (3).

4. The lead screw stepping motor with the double-end lubricating mechanism is characterized in that an oil level sensor (8) is embedded in the left side of the inner cavity of the oil box (63), an oil filling opening is communicated with one side, away from the oil level sensor (8), of the oil box (63), and a plug is arranged at the top of the oil filling opening.

5. The lead screw stepping motor with the double-end lubricating mechanism according to claim 1, wherein heat dissipation through grooves are formed in the periphery of the fixing box (5) and are distributed in a rectangular array shape.

6. The lead screw stepping motor with the double-end lubricating mechanism according to claim 1, wherein two opposite sides of the connecting end portion (2) and the rotating shaft (3) are provided with sealing grooves, and inner cavities of the sealing grooves are provided with sealing rings (7).

7. The lead screw stepping motor with the double-ended lubrication mechanism according to claim 1, wherein the side, away from the choke plug, of the top of the fixing box (5) is provided with indicator lamps from front to back respectively, the indicator lamp positioned on the front side represents normal operation, and the indicator lamp positioned on the rear side represents abnormal operation.