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CN-122026660-A - Quick-response linear motor

CN122026660ACN 122026660 ACN122026660 ACN 122026660ACN-122026660-A

Abstract

The invention relates to the technical field of motors, in particular to a quick-response linear motor. The device comprises a shell, wherein a top slideway is arranged at the top of the shell along the length direction of the top slideway, a linear transmission unit is arranged under the top slideway in parallel, the linear transmission unit comprises a sleeve which is horizontally arranged, a plurality of groups of through grooves are distributed on the outer wall of the sleeve in an annular array, and a winding rod is arranged on the central axis of a cavity of the sleeve. According to the invention, the electromagnetic field is stably transited in each group of eddy currents by obliquely and crosswise arranging the electromagnetic blocks, and then the electromagnetic blocks are distributed in a circular array of the mounting plates, so that the second sliding block operates more stably, meanwhile, through grooves are formed in the motion track of each group of mounting plates, so that the resistance and consumption in the electromagnetic field operation process are reduced, the smoothness and stability of the second sliding block in the reciprocating motion process are improved, the power consumption is reduced, and meanwhile, the heat accumulation generated by the operation of each winding coil inside can be avoided.

Inventors

  • TANG HAIPENG
  • CHEN MAOWU
  • CHEN YINZHU

Assignees

  • 常州多维电气股份有限公司

Dates

Publication Date
20260512
Application Date
20260408

Claims (10)

  1. 1. The quick-response linear motor comprises a machine shell (100) and is characterized in that a top slideway (110) is arranged at the top of the machine shell (100) along the length direction of the machine shell, and a linear transmission unit (300) is arranged in parallel under the top slideway (110); The linear transmission unit (300) comprises a sleeve (310) which is horizontally arranged, a plurality of groups of through grooves (311) are distributed on the outer wall of the sleeve (310) in an annular array, a winding rod (320) is arranged on the central axis of a cavity of the sleeve (310), a plurality of groups of first windings (330), a plurality of groups of second windings (340) and a plurality of groups of third windings (350) are wound on the winding rod (320), a moving mechanism (360) is connected on the outer wall of the sleeve (310) in a sliding mode, the moving mechanism (360) comprises a second sliding block (361) in a circular ring-shaped structure, a plurality of groups of mounting plates (363) are distributed on the inner wall of the second sliding block (361) in an annular array with the central axis of the second sliding block as the center, a plurality of groups of electromagnetic blocks (364) are arranged on each mounting plate (363), the electromagnetic blocks (364) are obliquely and are in crossed arrangement, and each electromagnetic block (364) is in electromagnetic connection with the first windings (330), the second windings (340) and the third windings.
  2. 2. The quick-response linear motor of claim 1, wherein a group of inner slopes (101) are respectively arranged at the upper end and the lower end of the inner walls of the two sides of the machine shell (100) in the length direction, slope sliding grooves (102) are formed in the inner slopes (101) along the length direction of the inner slopes, a moving cavity (103) is formed in one side cavity of the group of inner slopes (101), side sliding grooves (104) are communicated between the moving cavity (103) and the group of slope sliding grooves (102), a discharging mechanism (120) is fixedly arranged at the bottom of the machine shell (100), and a driving mechanism (130) is fixedly arranged on the outer wall of one end of the machine shell (100).
  3. 3. A quick response linear motor according to claim 2, wherein a clamping unit (200) is arranged in the moving cavity (103), the output end of the clamping unit (200) extends into an adjacent group of slope sliding grooves (102) through side sliding grooves (104), and the input end of the clamping unit (200) is in transmission connection with the output end of the driving mechanism (130).
  4. 4. A quick response linear motor according to claim 3, wherein the clamping unit (200) comprises a horizontally arranged positive screw rod (220), one end of the positive screw rod (220) is in transmission connection with the output end of the driving mechanism (130), the other end of the positive screw rod is fixedly provided with a middle block (210), the other end of the middle block (210) is fixedly provided with a reverse screw rod (230), and the screw thread directions of the positive screw rod (220) and the reverse screw rod (230) are opposite.
  5. 5. The quick response linear motor according to claim 4, wherein a group of first sliding blocks (240) are connected to the positive screw rod (220) and the negative screw rod (230) in a threaded manner, sliding rods are fixedly arranged at the tops of the first sliding blocks (240), the tops of the sliding rods extend into an adjacent group of slope sliding grooves (102), crescent baffle plates (250) are fixedly arranged, the two crescent baffle plates (250) are symmetrically arranged, and a group of distance sensors are arranged on two opposite side walls.
  6. 6. The quick-response linear motor according to claim 2, wherein the center of the bottom of the sleeve (310) is provided with a wire passing hole (312), a plurality of groups of the first windings (330), the second windings (340) and the third windings (350) are sequentially crossed and arranged at equal intervals along the length direction of the winding rod (320), and the first windings (330), the second windings (340) and the third windings (350) are electrically connected with the discharge mechanism (120) through wires, and the wires penetrate through the wire passing hole (312).
  7. 7. The quick response linear motor according to claim 1, wherein four sets of extension rods (370) are fixedly mounted on the outer wall of the second sliding block (361), the other ends of the four sets of extension rods (370) extend into four sets of slope sliding grooves (102) respectively, a set of pulleys (380) are rotatably connected to the four sets of slope sliding grooves respectively, and the pulleys (380) are slidably connected to the slope sliding grooves (102).
  8. 8. A quick response linear motor according to claim 1, wherein the fixed unit (400) is mounted on top of the moving mechanism (360), the fixed unit (400) comprises a vertical rod (410), the bottom of the vertical rod (410) is mounted on top of the second slider (361), the top of the vertical rod (410) extends to the position right above the machine shell (100) through the top slideway (110), and the platform (420) is fixedly mounted.
  9. 9. The quick-response linear motor according to claim 8, wherein a plurality of groups of torsion springs (430) are distributed on the peripheral edge of the platform (420) in an annular array, a group of grabbing mechanisms (440) are hinged to each group of torsion springs (430), a threaded ring (450) is arranged right above the platform (420), and the inner wall of the threaded ring (450) is in threaded connection with the outer wall of each group of grabbing mechanisms (440).
  10. 10. The quick response linear motor according to claim 9, wherein the grabbing mechanism (440) comprises a grabbing plate (441), an external thread (442) is formed on the outer wall of the grabbing plate (441), the external thread (442) is in threaded connection with the inner wall of the threaded ring (450), a plurality of groups of check blocks (443) are elastically connected to the inner wall of the grabbing plate (441) along the vertical direction, the bottoms of the check blocks (443) are flat, and the tops of the check blocks (443) are provided with sliding inclined planes (444).

Description

Quick-response linear motor Technical Field The invention belongs to the technical field of motors, and particularly relates to a quick-response linear motor. Background The linear motor mainly has the function of driving an object to perform reciprocating motion on a straight line, and the most important characteristics of the linear motor are high stability and smoothness. Through retrieving, quoted publication number CN121546886A, publication day 2026, 02 month 17, the patent literature of a T type active cell linear electric motor with self-lubricating function, including frame and active cell motor, the active cell motor is located inside the frame, and load platform is installed at active cell motor top, be fixed with the guide block that is symmetrical distribution on the load platform inner wall, be equipped with on the frame lateral wall be symmetrical distribution and with guide block looks adaptation guide slot, the guide block tip is located inside the guide slot and with guide slot sliding connection, load platform inside is equipped with the oil storage chamber that is symmetrical distribution, runs through inside the guide block has the oil outlet, oil outlet wherein one end and oil storage chamber intercommunication, one side of frame is equipped with the oil storage tank, and the oil storage tank is connected with automatic oil supplementing mechanism, wherein oil storage chamber inside is equipped with oil feeding mechanism, and automatic oil supplementing mechanism is used for importing the inside lubricant of oil storage tank to the oil storage chamber inside when load platform is about to be close to the oil storage tank, and when the load platform keeps away from the case, oil feeding mechanism is used for discharging the inside lubricant of oil storage chamber from the oil outlet. The above embodiments still have the following drawbacks: The electromagnetic blocks and the winding coils in the embodiment still adopt a traditional layout mode, the movement direction of the electromagnetic field is single, and when the electromagnetic blocks are used for a long time or sundries such as dust appear, the sliding blocks can be damaged or conducted unsmooth due to the magnetic field, so that the stability and fluency of the sliding block movement are affected. Disclosure of Invention Aiming at the problems, the invention provides a quick-response linear motor, which comprises a machine shell, wherein a top slideway is arranged at the top of the machine shell along the length direction of the machine shell, and a linear transmission unit is arranged in parallel under the top slideway; The linear transmission unit comprises a sleeve which is horizontally arranged, a plurality of groups of through grooves are distributed on the outer wall of the sleeve in an annular array, a winding rod is arranged on the central axis of a cavity of the sleeve, a plurality of groups of first windings, a plurality of groups of second windings and a plurality of groups of third windings are wound on the winding rod, a movement mechanism is connected to the outer wall of the sleeve in a sliding mode and comprises a second sliding block of an annular structure, a plurality of groups of mounting plates are distributed on the inner wall of the second sliding block in an annular array by taking the central axis of the second sliding block as the center, a plurality of groups of electromagnetic blocks are arranged on each mounting plate in an inclined and crossed mode, and each group of electromagnetic blocks is in electromagnetic connection with the first windings, the second windings and the third windings. Further, a group of inner slopes are respectively arranged at the upper end and the lower end of the inner walls at the two sides of the length direction of the casing, slope sliding grooves are formed in the inner slopes along the length direction of the inner slopes, a moving cavity is arranged in one side cavity of one group of inner slopes, side sliding grooves are communicated between the moving cavity and the group of slope sliding grooves, a discharging mechanism is fixedly arranged at the bottom of the casing, and a driving mechanism is fixedly arranged on the outer wall of one end of the casing. Furthermore, a clamping unit is arranged in the moving cavity, the output end of the clamping unit extends into an adjacent group of slope sliding grooves through the side sliding grooves, and the input end of the clamping unit is in transmission connection with the output end of the driving mechanism. Further, the clamping unit comprises a positive screw rod which is horizontally arranged, one end of the positive screw rod is in transmission connection with the output end of the driving mechanism, the other end of the positive screw rod is fixedly provided with a middle block, the other end of the middle block is fixedly provided with a reverse screw rod, and the screw thread directions of the positive screw rod