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CN-121988762-A - High-feeding adaptability's heart walking machine electricity main shaft

CN121988762ACN 121988762 ACN121988762 ACN 121988762ACN-121988762-A

Abstract

The invention relates to the technical field of a heart-moving machine, in particular to a heart-moving machine electric spindle with high feeding adaptability, which comprises a spindle body, wherein an accommodating cavity is formed in one end of the spindle body, an opening is formed in one end of the accommodating cavity, a driving seat is arranged at the other end of the accommodating cavity, a clamping mechanism and a feeding mechanism are arranged in the accommodating cavity, a driving cavity is arranged in the driving seat, a piston piece is arranged in the driving cavity in a sealing sliding manner along the axial direction of the spindle body, the piston piece is connected with a piston rod, one end of the piston rod is connected with the piston piece, and the other end of the piston rod protrudes out of the driving seat and is provided with a pushing block. The invention forms a single-power driving core through the piston part, the piston rod and the pushing block, integrates dual functions of clamping and feeding, greatly simplifies the whole structure of the electric spindle, reduces the volume of equipment, reduces the number of power sources and vulnerable parts, effectively reduces the manufacturing cost, the mounting and maintenance difficulty and the operation energy consumption of the equipment, and improves the whole economy of the equipment.

Inventors

  • LIU WENCONG

Assignees

  • 广东中聪智能装备有限公司

Dates

Publication Date
20260508
Application Date
20260330

Claims (10)

  1. 1. A high-feeding adaptability electric spindle of a heart walking machine is characterized by comprising a spindle body (1), wherein an accommodating cavity (11) is formed in one end of the spindle body (1), an opening part (2) is formed in one end of the accommodating cavity (11), a driving seat (3) is arranged at the other end of the accommodating cavity (11), and a clamping mechanism and a feeding mechanism are arranged in the accommodating cavity (11); The novel automatic feeding device is characterized in that a driving cavity (31) is formed in the driving seat (3), a piston piece (4) is arranged in the driving cavity (31) in a sealing sliding mode along the axial direction of the main shaft body (1), the piston piece (4) is connected with a piston rod (41), one end of the piston rod (41) is connected with the piston piece (4), the other end of the piston rod (41) protrudes out of the driving seat (3) and is provided with a pushing block (42), and the pushing block (42) is used for driving the clamping mechanism and the feeding mechanism to work.
  2. 2. The high-feeding-adaptability walking-type motorized spindle is characterized in that a fixed seat (5) is arranged on the driving seat (3), a clamping sliding rail (51) extending along the axial direction of the spindle body (1) is arranged at one end, close to the driving seat (3), of the fixed seat (5), and a feeding sliding rail (52) extending along the axial direction of the spindle body (1) is arranged at one end, far away from the driving seat (3), of the fixed seat (5).
  3. 3. The high-feeding-adaptability walking-type motorized spindle is characterized in that the clamping mechanism comprises a clamping sliding seat (61) and a clamping block (63), the clamping sliding seat (61) is arranged on the clamping sliding rail (51) in a sliding manner, and the clamping block (63) is arranged on the fixing seat (5) in a sliding manner along the radial direction of the spindle body (1); The feeding mechanism comprises a feeding sliding seat (71) and a feeding lifting seat (73), wherein the feeding sliding seat (71) is arranged on a feeding sliding rail (52) in a sliding manner, and the feeding lifting seat (73) is arranged on the feeding sliding seat (71) in a sliding manner along the radial direction of the main shaft body (1); The pushing block (42) is movably arranged between the clamping sliding seat (61) and the feeding sliding seat (71).
  4. 4. The high-feeding-adaptability walking machine electric spindle according to claim 3 is characterized in that a first clamping spring (62) is arranged between the clamping sliding seat (61) and the driving seat (3), and a second clamping spring (64) is arranged between the clamping block (63) and the fixing seat (5); A first feeding spring (72) is arranged between the feeding sliding seat (71) and one end, far away from the driving seat (3), of the fixing seat (5), and a second feeding spring (74) is arranged between the feeding lifting seat (73) and the feeding sliding seat (71).
  5. 5. The high-feeding-adaptability walking-type motorized spindle is characterized in that the clamping sliding seat (61) is provided with a strip-shaped limiting groove (65) extending along the axial direction of the spindle body (1), the clamping mechanism further comprises a connecting rod (66), one end of the connecting rod (66) is hinged with the clamping block (63), and the other end of the connecting rod (66) is movably arranged in the strip-shaped limiting groove (65).
  6. 6. The high-feeding-adaptability walking motorized spindle is characterized by further comprising a feeding clamp (75), wherein the middle part of the feeding clamp (75) is hinged with a feeding lifting seat (73), the feeding clamp (75) and the feeding lifting seat (73) are obliquely arranged, and an abutting spring (76) is arranged between the feeding clamp (75) and the feeding lifting seat (73).
  7. 7. The high-feeding-adaptability walking machine electric spindle is characterized in that a first abdicating hole (21) is formed in the middle of the opening (2) in a penetrating mode, and a second abdicating hole (32) is formed in the middle of the driving seat (3) in a penetrating mode.
  8. 8. The high-feeding-adaptability walking-type motorized spindle of the spindle machine according to claim 1 is characterized in that the number of the piston rods (41) is two, and the two piston rods (41) are symmetrically arranged along the central axis of the spindle body (1).
  9. 9. The high-feeding-adaptability walking-type motorized spindle is characterized in that the number of the clamping mechanisms is two, and the two clamping mechanisms are symmetrically arranged along the central axis of the spindle body (1).
  10. 10. The high-feeding adaptability walking motor spindle is characterized in that the number of the feeding mechanisms is two, and the two feeding mechanisms are symmetrically arranged along the central axis of the spindle body (1).

Description

High-feeding adaptability's heart walking machine electricity main shaft Technical Field The invention relates to the technical field of heart walkers, in particular to a heart walker electric spindle with high feeding adaptability. Background The centering machine is used as core equipment for processing precision shaft parts, and the clamping and feeding performance of the electric spindle directly determines the processing precision, the efficiency and the equipment use economy. At present, the traditional electric spindle of the heart walking machine in the industry is generally of mutually independent structural design, and a plurality of independent power sources are required to be configured for driving and controlling respectively, so that the whole structure of the electric spindle is large and the size is large, the manufacturing cost of the equipment is greatly increased, the difficulty of later installation, debugging and maintenance is also improved, and the use economy of the equipment is also reduced due to the superposition of the energy consumption of multiple power sources. In terms of clamping performance, the clamping module of the traditional walking machine electric spindle adopts a rigid chuck structure, has small elastic deformation, can only adapt to bars with fixed diameter ranges, needs to frequently replace chucks when processing bars with different specifications, has complicated material changing flow and seriously affects processing efficiency, and has the problems of low clamping force adjusting precision and insufficient suitability of a part of improved adjustable clamping mechanism, and the situation that the centering deviation of the bars is easily caused by too loose clamping or the surface of the bars is scratched due to too tight clamping is easy to occur. In the aspect of feeding and processing precision, as the clamping and feeding modules are independently controlled, the problems of asynchronous movements of the clamping and feeding modules are easy to occur, the clamping and feeding cooperativity is poor, especially in the slender shaft processing scene, bar stock is easy to deviate and shake in the feeding process due to large length-diameter ratio, the whole centering cannot be ensured, the indexes such as the processing size precision and coaxiality of parts are reduced, and the high-precision processing requirement is difficult to meet, meanwhile, the existing moving-core mechanical electric spindle cannot effectively solve the problem of poor clamping and feeding cooperativity no matter the existing moving-core mechanical electric spindle adopts a design with or without a guide sleeve, and obvious use limitations exist. Disclosure of Invention The invention aims at overcoming the defects in the prior art and provides the electric spindle of the heart feeding machine with high feeding adaptability. The invention discloses a high-feeding adaptability walking machine electric spindle which comprises a spindle body, wherein one end of the spindle body is provided with a containing cavity, one end of the containing cavity is provided with an opening, the other end of the containing cavity is provided with a driving seat, and a clamping mechanism and a feeding mechanism are arranged in the containing cavity; The driving seat is internally provided with a driving cavity, a piston piece is arranged in the driving cavity in a sealing sliding manner along the axial direction of the main shaft body, the piston piece is connected with a piston rod, one end of the piston rod is connected with the piston piece, the other end of the piston rod protrudes out of the driving seat and is provided with a pushing block, and the pushing block is used for driving the clamping mechanism and the feeding mechanism to work. The invention further provides a fixed seat arranged on the driving seat, a clamping slide rail extending along the axial direction of the main shaft body is arranged at one end of the fixed seat, which is close to the driving seat, and a feeding slide rail extending along the axial direction of the main shaft body is arranged at one end of the fixed seat, which is far away from the driving seat. The clamping mechanism comprises a clamping sliding seat and a clamping block, wherein the clamping sliding seat is arranged on a clamping sliding rail in a sliding manner; the feeding mechanism comprises a feeding sliding seat and a feeding lifting seat, wherein the feeding sliding seat is arranged on a feeding sliding rail in a sliding manner; The pushing block is movably arranged between the clamping sliding seat and the feeding sliding seat. The invention is further provided with a first clamping spring arranged between the clamping sliding seat and the driving seat, and a second clamping spring arranged between the clamping block and the fixing seat; A first feeding spring is arranged between the feeding sliding seat and one end, far away from the driving seat, of the