CN218514178U

CN218514178U - Rotor structure with plastic nut matched with hollow shaft

Info

Publication number: CN218514178U
Application number: CN202122696207.5U
Authority: CN
Inventors: 吴勇
Original assignee: Changzhou Fulling Motor Co ltd
Current assignee: Changzhou Fulling Motor Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2023-02-21
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a plastics nut and hollow shaft complex rotor structure, its technical scheme main points are: the rotor comprises a hollow shaft, wherein two rotor cores are fixedly sleeved on the outer circular wall surface of the hollow shaft, neodymium iron boron magnetic steel is fixedly sleeved on the outer circular wall surface of the hollow shaft, and the position of the neodymium iron boron magnetic steel is positioned between the two rotor cores; the deviation rectifying assembly is arranged inside the hollow shaft and used for reducing swing; the hollow shaft's inside is put into with the holding ring to the accessible when using, passes the inside that the mounting hole got into the connecting hole through the joint piece, and the accessible rotates the holding ring this moment, removes the joint piece in the inside position of connecting hole, realizes the effect of installation holding ring, cup joints the lead screw through the holding ring, and the swing amplitude is too big when can effectually avoiding long-time use to lead to the lead screw to make a round trip linear motion, through setting up the bearing, realizes supplementary lead screw pivoted effect, reduces frictional force and increases transmission efficiency.

Description

Rotor structure with plastic nut matched with hollow shaft

Technical Field

The utility model relates to a linear stepping motor technical field, concretely relates to plastics nut and hollow shaft complex rotor structure.

Background

For example, publication numbers are: CN 213521531U's chinese patent, wherein has proposed a step motor who possesses noise reduction structure of making an uproar, the device is through making an uproar ring cover carry out the separation and absorb sound of making an uproar, make sound reduce, external environment noise reduces, guarantee people's quality of life, the heat of step motor body is absorbed to the heat dissipation ring cover simultaneously, the outside lower temperature is absorbed to the heating panel, carry out heat transfer between the two through the conducting rod, make step motor body outside temperature reduce, guarantee that the stable normal work of motor function, again for example the publication number is: chinese patent CN211089425U, wherein a waterproof fixed shaft type stepping motor with origin point returning design is proposed, the device drives magnetic steel to move to a position close to the hall sensor through a screw rod assembly, the hall can feed back a signal, the signal is used as a zero position signal, and the output shaft which moves back and forth is accurately returned to the origin point through the signal, so that the screw rod assembly can accurately return to zero without colliding two mechanical limit heads.

However, the above two stepping motor devices still have some disadvantages, such as: when the assembled motor is used, the swing amplitude of the screw rod during back-and-forth linear motion is gradually increased along with the use, so that the operation is influenced.

SUMMERY OF THE UTILITY MODEL

To the problem mentioned in the background art, the utility model aims at providing a plastic nut and hollow shaft complex rotor structure to solve the problem mentioned in the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a plastic nut and hollow shaft mated rotor structure comprising: the rotor comprises a hollow shaft, two rotor cores are fixedly sleeved on the outer wall surface of the hollow shaft, neodymium iron boron magnetic steel is fixedly sleeved on the outer wall surface of the hollow shaft, and the position of the neodymium iron boron magnetic steel is located between the two rotor cores; the subassembly of rectifying, the subassembly setting of rectifying is in the inside of hollow shaft for reduce the swing, the subassembly of rectifying includes: the mounting groove is formed in the inner circle wall surface of the hollow shaft, a plastic nut is sleeved inside the mounting groove, a screw rod is arranged inside the plastic nut, and the screw rod is connected with the inner circle wall surface of the plastic nut in a threaded mode.

Through adopting above-mentioned technical scheme, through setting up the plastic nut, the back-and-forth movement of lead screw is realized to the rotation of accessible plastic nut when using, through setting up the subassembly of rectifying, can realize correcting the influence that the amplitude of oscillation appears when reducing the lead screw and removing.

Preferably, the deviation rectifying assembly further comprises: the two mounting holes are formed in the outer circle wall surface of the hollow shaft, two connecting holes are formed in the outer circle wall surface of the hollow shaft, and the connecting holes are communicated with the mounting holes; the locating ring, the locating ring sets up the inside of hollow shaft, the excircle wall fixed mounting of locating ring has two joint pieces, the joint piece with connecting hole activity joint is in the same place.

Through adopting above-mentioned technical scheme, through setting up the holding ring, the accessible puts into the inside of hollow shaft with the holding ring when using, passes the inside that the mounting hole got into the connecting hole through the joint piece, and the accessible rotates the holding ring this moment, removes the position of joint piece in the connecting hole inside, realizes the effect of installation holding ring, cup joints the lead screw through the holding ring, can effectually avoid long-time use to lead to the lead screw to make a round trip the linear motion time swing amplitude too big.

Preferably, the deviation rectifying assembly further comprises: and the bearing is fixedly arranged on one side of the positioning ring.

Through adopting above-mentioned technical scheme, through setting up the bearing, realize supplementary lead screw pivoted effect, reduce frictional force and increase transmission efficiency.

Preferably, the inner circular wall surface of the hollow shaft is provided with an annular groove, an auxiliary ring is movably sleeved inside the annular groove, and the inner circular wall surface of the auxiliary ring is provided with threads.

Through adopting above-mentioned technical scheme, through setting up supplementary ring, the accessible puts into the inside of ring channel with supplementary ring when using, rotates the lead screw this moment and makes it remove, until lead screw and plastics nut threaded connection together, when avoiding installing the lead screw, the lead screw can't align with the plastics nut.

Preferably, the outer circle wall surface of the plastic nut is fixedly sleeved with a rubber ring.

Through adopting above-mentioned technical scheme, through setting up the rubber ring, the noise that produces when can effectual reduction plastic nut and the lead screw motion.

Preferably, the outer circle wall surface of the hollow shaft is provided with a lubricating hole, and a one-way valve is fixedly sleeved inside the lubricating hole.

Through adopting above-mentioned technical scheme, through setting up the lubrication hole, the staff accessible passes through the inside lubricated lead screw of check valve extrusion income hollow shaft with emollient when using, increases transmission efficiency.

Preferably, one end of the screw rod is movably sleeved with a limiting block.

Through adopting above-mentioned technical scheme, through setting up the stopper, can avoid the lead screw to remove to the end and separate with the plastics nut.

To sum up, the utility model discloses mainly have following beneficial effect:

through setting up the holding ring, the inside of hollow shaft is put into with the holding ring to the accessible when using, pass the inside that the mounting hole got into the connecting hole through the joint piece, the accessible rotates the holding ring this moment, remove the position of joint piece in the connecting hole inside, realize the effect of installation holding ring, cup joint the lead screw through the holding ring, the swing amplitude is too big when can effectually avoiding long-time use to lead to the lead screw to make a round trip linear motion, through setting up the bearing, realize supplementary lead screw pivoted effect, reduce frictional force and increase transmission efficiency.

Through setting up supplementary ring, the inside of ring channel is put into with supplementary ring to the accessible when using, rotate the lead screw this moment and make it remove, be in the same place until lead screw and plastics nut threaded connection, when avoiding installing the lead screw, the lead screw can't align with the plastics nut, through setting up the rubber ring, the noise that can effectually reduce plastics nut and lead screw production when moving, through setting up the lubrication hole, the staff accessible is with emollient through the inside lubricated lead screw of check valve crowded income hollow shaft when using, increase transmission efficiency, through setting up the stopper, can avoid the lead screw to remove to the end and plastics nut separation.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the hollow shaft of the present invention;

fig. 3 is a schematic diagram of the positioning ring structure of the present invention.

Reference numerals: 1. a hollow shaft; 2. a rotor core; 3. neodymium iron boron magnetic steel; 4. mounting grooves; 5. a plastic nut; 6. a screw rod; 7. mounting holes; 8. connecting holes; 9. a positioning ring; 10. a clamping block; 11. a bearing; 12. an annular groove; 13. an auxiliary ring; 14. a rubber ring; 15. a lubrication hole; 16. a one-way valve; 17. and a limiting block.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1 and 2 and 3, a rotor structure with a plastic nut engaged with a hollow shaft includes: hollow shaft 1, the fixed two rotor core 2 that have cup jointed of excircle wall of hollow shaft 1, the fixed neodymium iron boron magnetic steel 3 that has cup jointed of excircle wall of hollow shaft 1, neodymium iron boron magnetic steel 3's position is located between two rotor core 2, and hollow shaft 1's inside is provided with the subassembly of rectifying for reduce the swing, through setting up the subassembly of rectifying, can realize correcting the influence that appears the amplitude of oscillation when reducing the lead screw 6 and remove, the subassembly of rectifying includes: mounting groove 4, the interior round wall of hollow shaft 1 is seted up to mounting groove 4, and plastic nut 5 has been cup jointed to the inside of mounting groove 4, and through setting up plastic nut 5, the back-and-forth movement of lead screw 6 is realized in the rotation of accessible plastic nut 5 when using, and the inside of plastic nut 5 is provided with lead screw 6, and lead screw 6 is in the same place with the interior round wall threaded connection of plastic nut 5, and the subassembly of rectifying still includes: two mounting holes 7, two mounting holes 7 all set up the excircle wall at hollow shaft 1, two connecting holes 8 have been seted up to the excircle wall of hollow shaft 1, connecting hole 8 is linked together with mounting hole 7, the inside of hollow shaft 1 is provided with holding ring 9, the excircle wall fixed mounting of holding ring 9 has two joint pieces 10, joint piece 10 is in the same place with 8 movable joint of connecting hole, through setting up holding ring 9, the accessible puts into the inside of hollow shaft 1 with holding ring 9 when using, pass the inside that mounting hole 7 got into connecting hole 8 through joint piece 10, accessible rotational positioning ring 9 this moment, remove joint piece 10 in the inside position of connecting hole 8, realize the effect of installation holding ring 9, cup joint lead screw 6 through holding ring 9, the amplitude of oscillation is too big when can effectually avoiding long-time use to lead to screw 6 round trip linear motion.

Referring to fig. 2 and 3, the deviation correcting assembly further includes: bearing 11, bearing 11 fixed mounting is in one side of holding ring 9, through setting up bearing 11, realize supplementary lead screw 6 pivoted effect, reduce friction force and increase transmission efficiency, annular groove 12 has been seted up to the interior round wall of hollow shaft 1, auxiliary ring 13 has been cup jointed in the inside activity of annular groove 12, screw thread has been seted up to the interior round wall of auxiliary ring 13, through setting up auxiliary ring 13, the accessible puts into the inside of annular groove 12 with auxiliary ring 13 when using, it makes its removal to rotate lead screw 6 this moment, until lead screw 6 and 5 threaded connection of plastics nut are in the same place, when avoiding installing lead screw 6, lead screw 6 can't align with plastics nut 5, rubber ring 14 has been cup jointed to the excircle wall of plastics nut 5 fixedly, through setting up rubber ring 14, can effectually reduce the noise that produces when plastics nut 5 and lead screw 6 move.

Referring to fig. 1 and 2, lubrication hole 15 has been seted up to the excircle wall of hollow shaft 1, and the fixed cover in inside of lubrication hole 15 has connect check valve 16, and through setting up lubrication hole 15, the staff accessible passes through the inside lubricated lead screw 6 of check valve 16 crowded income hollow shaft 1 with emollient when using, increases transmission efficiency, and stopper 17 has been cup jointed in the one end activity of lead screw 6, through setting up stopper 17, can avoid lead screw 6 to remove to the end and separate with plastic nut 5.

The working principle is as follows: referring to fig. 1, 2 and 3, when in use, the positioning ring 9 can be placed inside the hollow shaft 1, the clamping block 10 penetrates through the mounting hole 7 to enter the inside of the connecting hole 8, the positioning ring 9 can be rotated at the moment, the position of the clamping block 10 inside the connecting hole 8 can be moved, the effect of mounting the positioning ring 9 is realized, the lead screw 6 is sleeved through the positioning ring 9, the phenomenon that the swing amplitude is too large when the lead screw 6 moves back and forth linearly due to long-time use can be effectively avoided, the effect of rotating the auxiliary lead screw 6 is realized by arranging the bearing 11, the transmission efficiency is increased by reducing the friction force, the auxiliary ring 13 can be placed inside the annular groove 12, the lead screw 6 is rotated to move at the moment until the lead screw 6 is in threaded connection with the plastic nut 5, when the lead screw 6 is prevented from being mounted, the lead screw 6 cannot be aligned with the plastic nut 5, the noise generated when the plastic nut 5 moves with the lead screw 6 can be effectively reduced by arranging the rubber ring 14, the lubricating hole 15 is arranged, a worker can squeeze the lubricant into the internal lubricating lead screw 6 of the hollow shaft 1 through the check valve 16 to lubricate the lead screw 6 to be prevented from being separated from the plastic nut 5 to the tail when in use, the stop block 17.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a plastics nut and hollow shaft complex rotor structure which characterized in that includes:

the rotor comprises a hollow shaft (1), wherein two rotor cores (2) are fixedly sleeved on the outer circular wall surface of the hollow shaft (1), neodymium iron boron magnetic steel (3) is fixedly sleeved on the outer circular wall surface of the hollow shaft (1), and the position of the neodymium iron boron magnetic steel (3) is located between the two rotor cores (2);

the subassembly of rectifying, the subassembly of rectifying sets up the inside of hollow shaft (1) for reduce the swing, the subassembly of rectifying includes: mounting groove (4), set up in mounting groove (4) the interior circle wall of hollow shaft (1), plastics nut (5) have been cup jointed to the inside of mounting groove (4), the inside of plastics nut (5) is provided with lead screw (6), lead screw (6) with the interior circle wall threaded connection of plastics nut (5) is in the same place.

2. The rotor structure of claim 1, wherein the deviation rectifying assembly further comprises:

the mounting structure comprises two mounting holes (7), wherein the two mounting holes (7) are formed in the outer circle wall surface of the hollow shaft (1), two connecting holes (8) are formed in the outer circle wall surface of the hollow shaft (1), and the connecting holes (8) are communicated with the mounting holes (7);

holding ring (9), holding ring (9) set up the inside of hollow shaft (1), the excircle wall fixed mounting of holding ring (9) has two joint pieces (10), joint piece (10) with connecting hole (8) activity joint is in the same place.

3. The rotor structure of claim 2, wherein the deviation correcting assembly further comprises:

the bearing (11), bearing (11) fixed mounting be in the one side of holding ring (9).

4. The rotor structure of a plastic nut and a hollow shaft matched with each other according to claim 1, wherein an annular groove (12) is formed on the inner circular wall surface of the hollow shaft (1), an auxiliary ring (13) is movably sleeved inside the annular groove (12), and the inner circular wall surface of the auxiliary ring (13) is threaded.

5. The rotor structure of the plastic nut and the hollow shaft matched with the claim 1 is characterized in that a rubber ring (14) is fixedly sleeved on the outer circular wall surface of the plastic nut (5).

6. The rotor structure with the matched plastic nut and the hollow shaft as claimed in claim 1, wherein a lubrication hole (15) is formed in the outer circumferential wall surface of the hollow shaft (1), and a check valve (16) is fixedly sleeved inside the lubrication hole (15).

7. The rotor structure of the plastic nut and the hollow shaft matched with the claim 1 is characterized in that a limiting block (17) is movably sleeved at one end of the screw rod (6).