CN116394086B - Motor shaft processing equipment - Google Patents

Motor shaft processing equipment Download PDF

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Publication number
CN116394086B
CN116394086B CN202310566315.1A CN202310566315A CN116394086B CN 116394086 B CN116394086 B CN 116394086B CN 202310566315 A CN202310566315 A CN 202310566315A CN 116394086 B CN116394086 B CN 116394086B
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CN
China
Prior art keywords
motor shaft
radial
clamp
pressing
clamping
Prior art date
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Application number
CN202310566315.1A
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Chinese (zh)
Other versions
CN116394086A (en
Inventor
马志伟
徐双
朱熀宏
范明松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jingjiang Mingyu Shaft Manufacturing Co ltd
Original Assignee
Jingjiang Mingyu Shaft Manufacturing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Jingjiang Mingyu Shaft Manufacturing Co ltd filed Critical Jingjiang Mingyu Shaft Manufacturing Co ltd
Priority to CN202310566315.1A priority Critical patent/CN116394086B/en
Publication of CN116394086A publication Critical patent/CN116394086A/en
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Publication of CN116394086B publication Critical patent/CN116394086B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10—Single-purpose machines or devices
    • B24B7/16—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/02—Frames; Beds; Carriages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/04—Headstocks; Working-spindles; Features relating thereto
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The application provides motor shaft processing equipment, which comprises a base, wherein a motor is arranged at one end of the base, a polishing cutter is coaxially fixed on an output shaft of the motor, and a first radial clamp is arranged on the top surface of one end, far away from the motor, of the base; the shaft end clamp is axially fixed at one end, far away from the motor, of the first radial clamp; the motor shaft penetrates through the inside of the first radial clamp along the axial direction, the motor shaft extending into the inside of the first radial clamp is clamped and fixed in the radial direction, and the end part of the motor shaft is clamped from the radial direction and is propped up in the axial direction; the guide pipe is arranged on the top surface of one end of the base, on which the motor is arranged; the second radial clamps are arranged in the guide pipe along the radial direction, and a plurality of second radial clamps are distributed along the circumferential direction of the guide pipe; the grinding cutter extends into the guide tube along the axial direction, and the grinding cutter, the guide tube, the second radial clamp, the first radial clamp and the shaft end clamp are axially aligned, so that the motor shaft and the grinding cutter are axially aligned.

Description

Motor shaft processing equipment
Technical Field
The application relates to the technical field of motor shaft machining, in particular to motor shaft machining equipment.
Background
The motor shaft needs to be polished at the end part in the processing process so as to obtain the motor shaft with a flat end surface. Before polishing the motor shaft, the motor shaft to be processed needs to be clamped and fixed, one end of the motor shaft to be polished is aligned to a polishing cutter, and the end of the motor shaft is polished in the process of rotating the polishing cutter.
Because the motor shaft is only clamped at one end or part, when the ratio of the length and the diameter of the motor shaft is large, namely, when the motor shaft is a very thin and very long shaft, after one end of the motor shaft is fixed on the clamp, the other end to be processed possibly tilts when extending to the vicinity of the polishing cutter, namely, the shaft of the motor shaft to be processed and the rotating shaft of the polishing cutter tilt, so that the smooth polishing processing is affected.
The document CN202210625090.8 provides a spindle grinding device for synchronous reluctance motors, which can clamp motor shafts of different diameters and lengths for grinding, but cannot accurately align the motor shaft to be machined axially with a grinding tool when the motor shaft is thin and long.
Disclosure of Invention
The application aims to provide a motor shaft processing device which can axially align a motor shaft with a polishing tool along the axial direction when the motor shaft is very long and very thin.
In order to achieve the above purpose, the technical scheme of the application is as follows:
the utility model provides a motor shaft processing equipment, includes the base, installs the motor on the top surface of the one end of base, and the coaxial output shaft of fixing on the motor of cutter of polishing still includes:
a first radial jig mounted on a top surface of an end of the base remote from the motor;
the shaft end clamp is axially fixed at one end, far away from the motor, of the first radial clamp; the motor shaft penetrates through the inside of the first radial clamp along the axial direction, the motor shaft extending into the inside of the first radial clamp is clamped and fixed in the radial direction, and the end part of the motor shaft abutting against the shaft end clamp is clamped from the radial direction and is propped up from the axial direction;
the guide pipe is arranged on the top surface of one end of the base, on which the motor is installed;
the second radial clamps are arranged in the guide pipe along the radial direction, are distributed along the circumferential direction of the guide pipe, and move in the guide pipe along the radial direction so as to clamp a motor shaft penetrating through the guide pipe in the radial direction;
the polishing cutter axially extends into the guide tube and is used for polishing the end part of the motor shaft; the grinding tool, the guide pipe, the second radial clamp, the first radial clamp and the shaft end clamp are axially aligned, and the motor shaft and the grinding tool are axially aligned through clamping of the second radial clamp and the first radial clamp on the radial direction and clamping of the shaft end clamp on the end part of the motor shaft.
The technical scheme of the application has the beneficial effects that:
the grinding tool, guide tube, second radial clamp, first radial clamp and shaft end clamp are maintained in axial alignment. During machining, the motor shaft is axially arranged in the guide pipe, the second radial clamp and the first radial clamp in a penetrating mode, the motor shaft penetrating through the first radial clamp is clamped in the radial direction, and the motor shaft and the first radial clamp are kept in the axial alignment position. The second radial clamp radially clamps the motor shaft passing therethrough and holds the motor shaft and the second radial clamp in an axially aligned position.
The radial position of the motor shaft is fixed through the second radial clamp and the first radial clamp, so that the stability of the radial position of the motor shaft in the polishing machining process is improved, and the polishing cutter can be axially aligned with the motor shaft, so that the polishing quality of the end part of the motor shaft is improved.
The shaft end clamp carries out radial clamping and axial supporting on one end of the motor shaft, so that the position stability of the end of the motor shaft in the radial direction can be further improved. Meanwhile, the end part of the motor shaft is axially supported through the shaft end clamp, so that the position stability of the motor shaft in the axial direction is improved. Even if the motor shaft to be machined is an elongated motor shaft, the motor shaft is radially fixed from a plurality of positions by the second radial clamp, the first radial clamp and the shaft end clamp respectively, so that the radial position of the motor shaft can be kept at a relatively stable position, and the motor shaft can be axially aligned with the grinding tool.
Drawings
Fig. 1 is a schematic structural view of a motor shaft processing apparatus of the present application.
FIG. 2 is a partial cross-sectional view of a first radial clamp of the present application.
Fig. 3 is a partial cross-sectional view of the pretensioner of the present application.
Fig. 4 is a partial enlarged view of the application at the point indicated by reference a in fig. 3.
Fig. 5 is a longitudinal section of the housing of the present application along a mid-section.
Fig. 6 is a schematic structural view of the shaft end clamp of the present application.
Fig. 7 is a partial enlarged view of the present application at the point indicated by reference B in fig. 6.
FIG. 8 is a partial cross-sectional view of a second radial clamp of the present application.
Fig. 9 is a schematic view of the structure of the sanding tool of the present application.
Fig. 10 is a partial enlarged view of the present application at the indication C in fig. 6.
1. A base; 2. a waste collection box; 3. a motor;
4. polishing a cutter; 41. a cutter head; 42. a gasket; 43. positioning bolts; 44. a frame; 45. a tool apron;
5. a guide tube;
6. a second radial clamp; 61. a clamping plate; 62. a clamping seat; 63. a spring washer; 64. pressing; 65. a handle; 66. pressing a pressing rod; 67. a carrier ring;
7. a first radial clamp; 71. a chuck; 711. a first clamping plate; 712. pressing the blocks; 713. a first bolt; 714. a cross plate; 715. a second clamping plate; 72. a pretension member; 721. a buffer member; 7211. a carrying cylinder; 7212. an elastic plate; 7213. a baffle ring; 722. a pre-tightening seat; 723. a pushing rod is tightly pressed; 724. pressing the plate; 73. a housing; 731. a first adjustment port; 732. a guide chamber; 733. a second adjustment port;
8. a shaft end clamp; 81. a cover; 82. an end cap; 83. a radial extrusion; 83. a radial extrusion; 831. a baffle; 832. a slide bar; 84. a bearing seat; 841. a support case; 842. a spring pad; 843. a lining plate; 844. a tube; 85. a telescopic rod.
Detailed Description
The motor shaft needs to be polished at the end part in the processing process so as to obtain the motor shaft with a flat end surface. Before polishing the motor shaft, the motor shaft to be processed needs to be clamped and fixed, one end of the motor shaft to be polished is aligned to a polishing cutter, and the end of the motor shaft is polished in the process of rotating the polishing cutter. Because the motor shaft is only clamped at one end or part, when the ratio of the length and the diameter of the motor shaft is large, namely, when the motor shaft is a very thin and very long shaft, after one end of the motor shaft is fixed on the clamp, the other end to be processed possibly tilts when extending to the vicinity of the polishing cutter, namely, the shaft of the motor shaft to be processed and the rotating shaft of the polishing cutter tilt, so that the smooth polishing processing is affected.
With reference to fig. 1, the motor shaft machining apparatus includes a base 1, two rectangular bosses at two ends of the base 1, a motor 3 mounted on a top surface of one end of the base 1, and a grinding tool 4 fixed on an output shaft of the motor 3 by bolts.
The first radial jig 7 is mounted on the top surface of the end of the base 1 remote from the motor 3 with bolts in a direction parallel to the top surface of the base 1 in the axial direction. The axes of the shaft end clamp 8 and the first radial clamp 7 are coincident, and the shaft end clamp 8 is fixed on one end of the first radial clamp 7 away from the motor 3 along the axial direction of the first radial clamp 7 by bolts, namely, the shaft end clamp 8 is positioned on one end of the first radial clamp 7 away from the motor 3.
The guide tube 5 is fixed on the top surface of one end of the base 1, on which the motor 3 is mounted, by bolts, and the inner cavity of the guide tube 5 is communicated. The plurality of second radial clamps 6 are distributed along the circumferential direction of the guide tube 5. The second radial clamp 6 moves radially within the guide tube 5. One end of the motor shaft is axially penetrated inside the first radial clamp 7, and the motor shaft is radially clamped by the first radial clamp 7 so as to realize radial fixation of one part of the motor shaft. The outer wall of the lower part of the guide pipe 5 is fixed with a scrap collecting box 2 by bolts, a scrap output port is arranged in the side wall of the guide pipe 5 along the radial direction, and the scrap collecting box 2 is aligned with the scrap output port. In the axial direction of the guide tube 5, the scrap collecting receptacle 2 is positioned below the grinding tool 4 and the motor shaft to be ground in order to facilitate receiving the scrap material resulting from the machining.
Wherein, an end of the motor shaft is abutted to the shaft end clamp 8 in the axial direction and is tightly pressed and fixed by the shaft end clamp 8 in the axial direction so as to realize the fixation of one end of the motor shaft.
The motor shaft is inserted into the guide tube 5 along the axial direction of the guide tube 5. The second radial clamps 6 distributed in the circumferential direction of the guide tube 5 are respectively pressed from a plurality of positions to the outer wall of the motor shaft along the radial direction of the guide tube 5, and clamp and fix the motor shaft in the middle. That is, the fixation of the other portion of the motor shaft in the radial direction is achieved by the second radial jig 6.
The grinding cutter 4 extends into the guide pipe 5 along the axial direction, and the grinding cutter 4 rotates under the drive of the motor 3 so as to grind the end part of the motor shaft.
The axes of the sanding tool 4, the guide tube 5, the second radial clamp 6, the first radial clamp 7 and the shaft end clamp 8 are aligned. When the motor shaft in the middle is clamped radially by the first radial jig 7, the respective movable portions of the first radial jig 7 are moved by the same distance in the radial direction so that the axes of the motor shaft and the first radial jig 7 are kept uniform in the axial direction.
Thereafter, each of the second radial jigs 6 is moved by the same distance in the radial direction so that the motor shaft in the middle is clamped while being aligned with the axial direction of the guide tube 5, the second radial jigs 6. That is, stable grinding of the end of the motor shaft in the axial direction is achieved by stable adjustment of the first radial jig 7, the second radial jig 6 in the radial direction, and the axes of the guide tube 5, the second radial jig 6, the first radial jig 7, and the shaft end jig 8, and the motor 3, the grinding tool 4 are arranged in axial alignment with the guide tube 5 so that the motor shaft and the grinding tool 4 remain in axial alignment, to improve the grinding quality of the end of the motor shaft.
In this embodiment, the accuracy of the axial alignment of the motor shaft is improved by the multi-stage fixing and adjustment of the first radial jig 7, the second radial jig 6 and the guide tube 5. Particularly, for a motor shaft with a longer radial dimension, the motor shaft is always kept at an axially aligned position through the radial support of multiple sections, so that the axial position deviation cannot easily occur, the reliability and the stability of the axial alignment in the polishing process of the slender motor shaft are improved, and the polishing quality is improved.
Referring to fig. 2, the first radial clamp 7 has a circular housing 73, the clamping head 71 is inserted into the housing 73, and the clamping head 71 can move in the housing 73 along the radial direction of the housing 73, and when the clamping head 71 moves in the housing 73 along the radial direction toward the motor shaft, the clamping head 71 is firmly pressed onto the outer wall of the motor shaft. The plurality of chucks 71 are pressed radially against the outer wall of the motor shaft from respective directions, thereby clamping and fixing the motor shaft.
Referring to fig. 2, the chuck 71 includes a rectangular pressing block 712, the pressing block 712 slides inside the housing 73 along a radial direction of the housing 73, and a first clamping plate 711 is fixed by a bolt to an end of the pressing block 712 extending into an inner cavity of the housing 73, and the first clamping plate 711 is a circular arc plate. A cross plate 714 is vertically connected to one side of the pressing block 712 by a bolt, the cross plate 714 extends to the outside of the housing 73 along the axial direction of the housing 73, and one end of the cross plate 714 facing away from the pressing block 712 extends to the outside of the housing 73 and is bent to form a vertical second clamping plate 715. A side of the second clamping plate 715 for contacting the motor shaft is a curved arc surface.
The first bolt 713 is screwed into the housing 73, and one end of the first bolt 713 is screwed onto the pressing block 712. By turning the first bolt 713, the pressing block 712 is pushed by the first bolt 713 to move in the radial direction within the housing 73. The pressing block 712 moves while driving the transverse plate 714 to move in the radial direction in the housing 73, and drives the first clamping plate 711 and the second clamping plate 715 to move in the radial direction of the housing 73 so as to be stably clamped on the outer wall of the motor shaft.
The clamping and fixing of the motor shaft is realized by adjusting the first clamping plate 711 and the second clamping plate 715 of the plurality of clamping heads 71 to stably squeeze onto the outer wall of the motor shaft from each position.
Specifically, each of the chucks 71 is moved by the same distance in the radial direction, and the motor shaft is held in a position consistent with the axis of the first radial jig 7 as a whole while clamping and fixing the motor shaft.
The plurality of first clamping plates 711 form a supporting area on the circumferential side of one position in the axial direction of the motor shaft, and realize stable support of the motor shaft in one position. The plurality of second clamping plates 715 form a supporting area on the circumferential side of the other position in the axial direction of the motor shaft, so that the motor shaft is stably supported at the other position. That is, the first radial jig 7 can realize stable support for two positions of the motor shaft penetrating therethrough in the axial direction, so as to improve the stability of the motor shaft support.
Referring to fig. 2, the first radial clamp 7 further includes a pre-tightening member 72, wherein the pre-tightening member 72 is installed in the housing 73 along the radial direction, and one end of the pre-tightening member 72 abuts against a side surface of the clamping head 71 to press the clamping head 71 toward the axial direction of the housing 73.
In this embodiment, the pretensioner 72 presses the chuck 71 to the side surface thereof, and presses the chuck 71 toward the axial center of the housing 73. The pretension 72 provides a pretension force to firmly press the chuck 71 against the motor shaft in the radial direction to improve the stability of the chuck 71 clamping the motor shaft in the radial direction.
Referring to fig. 3, the pretensioner 72 includes a pretensioner seat 722 that is bolted to the side of the housing 73. The circular pressing rod 723 is screwed into the pretensioner 722, the pressing rod 723 is rotated, and the pressing rod 723 expands and contracts in the pretensioner 722. The knock rod 723 is slidably inserted into the housing 73 in the radial direction of the housing 73, and a pressing plate 724 is screwed to one end of the knock rod 723 extending into the housing 73. The pressing rod 723 is rotated, the pressing rod 723 rotates within the housing 73, and the pressing plate 724 is pushed to press onto the collet 71 during radial movement within the housing 73, pushing the collet 71 radially onto the outer wall of the motor shaft, and clamping.
A rectangular pretensioning chamber is provided in the pretensioning seat 722, a buffer member 721 is screwed to one end of the pretensioning rod 723, and the buffer member 721 is pretensioned against the pretensioning seat 722 along the pretensioning chamber. The motor shaft generates vibration during processing, the vibration is transmitted to the pressing plate 724 through the chuck 71, the pressing plate 724 transmits vibration force to the buffer member 721 through the pressing rod 723, and the buffer member 721 relieves the vibration.
Referring to fig. 4, the buffer 721 includes a circular stopper 7213, the stopper 7213 is screw-coupled to the knock rod 723, and a cylindrical carrier cylinder 7211 is screw-mounted on the knock rod 723 in the axial direction, the carrier cylinder 7211 being axially above the stopper 7213. One end of the elastic plate 7212 extends into the carrier 7211 and abuts against the top plate of the carrier 7211, and the other end of the elastic plate 7212 abuts against the upper surface of the stopper 7213.
When the pressing plate 724 vibrates in the longitudinal direction to drive the pressing rod 723 to vibrate in the longitudinal direction, and the vibration is transmitted to the buffer 721, the bearing cylinder 7211 and the baffle ring 7213 press the elastic plate 7212 in the longitudinal direction, and the elastic plate 7212 deforms to relieve the longitudinal vibration so as to maintain the pressing rod 723 and the pressing plate 724 in stable positions in the longitudinal direction.
The elastic plate 7212 includes a transverse spring plate, a longitudinal spring plate, and an oblique spring plate formed by bending and connected in sequence, the transverse spring plate and the longitudinal spring plate being perpendicular, and the oblique spring plate and the longitudinal spring plate being inclined. The longitudinal spring plate is attached to the outer wall of the take-up lever 723, and the oblique spring plate extends into the carrier 7211 and takes up the top of the carrier 7211.
When receiving the longitudinal vibration, the vibration force is transmitted to the elastic plate 7212, and the elastic deformation of the elastic plate 7212 can alleviate the vibration, so as to alleviate the longitudinal position offset of the pressing rod 723 and the pressing plate 724 caused by the vibration.
Referring to fig. 5, a through guide chamber 732 is formed in the housing 73 along the axial direction of the housing 73. A first adjustment opening 731 is formed in the sidewall of the housing 73 in a radial direction, and an outlet of the first adjustment opening 731 is in communication with the guide chamber 732. A second adjustment port 733 is provided in a side wall of the housing 73 in a direction parallel to an axial direction of the housing 73, and the second adjustment port 733 and the first adjustment port 731 are in communication. The plurality of second adjustment ports 733 and the plurality of first adjustment ports 731 are in one-to-one correspondence and distributed along the circumferential direction of the housing 73.
In this embodiment, the pressing block 712 is slidably inserted into the first adjustment opening 731, the transverse plate 714 is axially inserted into the second adjustment opening 733, and the width of the inner cavity of the second adjustment opening 733 is larger than the width of the transverse plate 714, so that the pressing block 712 moves in the first adjustment opening 731 to move the transverse plate 714 in the second adjustment opening 733. The first clamping plate 711 and the second clamping plate 715 each extend into the guide chamber 732 for clamping a motor shaft penetrating inside the guide chamber 732 in a radial direction.
Referring to fig. 6, the shaft end jig 8 includes a cap 81, a circular telescopic rod 85 screwed into the cap 81, an end cap 82 bolted to one end of the telescopic rod 85 extending into the interior of the cap 81, and a radial pressing member 83 provided at an edge of the end cap 82 and movable in a radial direction of the end cap 82.
One end of the motor shaft is pressed against the side wall of the end cover 82, and a plurality of pressing pieces 83 are distributed along the circumferential direction of the end cover 82, and the pressing pieces 83 are moved in the radial direction of the end cover 82 so that the pressing pieces 83 press against the outer wall of the motor shaft, clamping the end of the motor shaft from the radial direction. The specific structure of the pressing member 83 will be developed in detail later. The end part of the motor shaft is fixed in the radial direction through the plurality of extrusion pieces 83, so that the stability of the motor shaft in the radial direction is improved, and the axial position deviation caused by radial vibration due to external force in the machining process of the motor shaft is avoided.
Referring to fig. 10, the radial extrusion 83 includes an L-shaped slide bar 832, and a rectangular baffle 831 is bolted to one end of the slide bar 832. The slide bar 832 is moved in the radial direction of the end cap 82 to move the barrier 831 in the radial direction of the end cap 82, thereby clamping and fixing the end of the motor shaft of the corresponding radial dimension.
During machining, the end of the motor shaft abuts against the side of one end of the end cap 82. When the motor shaft is polished by the polishing tool 4, the motor shaft receives an axial force during polishing. The end cover 82 tightly supports and fixes the end part of the motor shaft so as to realize stable support of the motor shaft and improve the stability in the processing process.
Referring to fig. 6, the shaft end fixture 8 further includes a bearing seat 84, the bearing seat 84 is sleeved outside the telescopic rod 85 along the axial direction, one end of the bearing seat 84 abuts against the side wall of the cover 81, and the other end is pressed against the back surface of the end cover 82. One end of the motor shaft abuts against the side of the end cap 82 facing away from the bearing seat 84. In the process of polishing the motor shaft, the vibration force received by the motor shaft is transmitted to the end cover 82, the end cover 82 transmits the vibration force to the bearing seat 84, and the bearing seat 84 supports the end cover 82, so that the stability of the end cover 82 for supporting the motor shaft in the axial direction is improved, and the axial bearing capacity is improved.
Referring to fig. 7, the bearing seat 84 includes a circular tube 844, and the tube 844 is axially sleeved on the telescopic rod 85. A circular support housing 841 is bolted to one end of the tube 844 and abuts the back of the end cap 82. A rectangular backing plate 843 slides within the support housing 841.
The spring pads 842 are bent into a zigzag shape using a spring steel plate, and a plurality of spring pads 842 are pivoted in the support housing 841. One end of the spring pad 842 abuts the support housing 841 and the other end abuts the liner 843, the spring pad 842 pushes the liner 843 to the outlet of the support housing 841, and the liner 843 is pressed onto the end cap 82.
During the grinding process of the end of the motor shaft, the vibration of the motor shaft is transmitted to the end cover 82, and the end cover 82 transmits the vibration to the liner 843 and to the spring pad 842 in the axial direction.
The spring pad 842 is pressed to absorb the vibration force to buffer, and the influence of the vibration on the axial position of the motor shaft is reduced by absorbing the vibration force, so that the axial stability in the machining process is improved.
Referring to fig. 8, the second radial clamp 6 includes a rectangular clamping seat 62, the clamping seat 62 slides in the sidewall of the circular guide tube 5 along the radial direction, a clamping plate 61 is fixed at one end of the clamping seat 62 near the axis of the guide tube 5 by a bolt, a circular pressing rod 66 is vertically mounted at the top end of the clamping seat 62, one end of the pressing rod 66 extends to the outside of the guide tube 5, a circular handle 65 is fixed at one end of the pressing rod 66 extending to the outside of the guide tube 5 by a thread, a circular bearing ring 67 is connected at the periphery of the pressing rod 66 by a thread, a cylindrical pressing seat 64 is mounted at the periphery of the pressing rod 66 by a bolt, the top end of the pressing seat 64 is abutted to the lower side of the handle 65, and the lower end of the pressing seat 64 is pressed onto the top surface of the bearing ring 67. The spring pad 63 is axially inserted into the sidewall of the pressing seat 64, and the spring pad 63 is pressed onto the top surface of the carrier ring 67 by the pressing seat 64.
The handle 65 is rotated to drive the pressing rod 66 to move along the radial direction of the guide tube 5, the pressing rod 66 drives the clamping seat 62 to move along the radial direction in the guide tube 5, the clamping seat 62 drives the clamping plate 61 to move along the radial direction, and the clamping plate 61 is extruded to the outer wall of the motor shaft, so that the clamping and fixing of the motor shaft in the radial direction are realized. The side of the clamping plate 61 facing away from the clamping seat 62 is a curved surface for contacting with the outer wall of the motor shaft, and the curved surface can be in contact with the outer wall of the motor shaft more tightly so as to improve the clamping stability.
Referring to fig. 9, the polishing tool 4 includes a tool holder 45, a longitudinal section of a frame 44 is L-shaped, a plurality of frames 44 are arranged on a circumferential side of the tool holder 45 by bolts, a tool head 41 is circular, one end of the tool head 41 is a circular cavity, the tool head 41 is sleeved outside one end of the tool holder 45, and the tool head 41 extends to an outer side of the frame 44 along an axial direction. The spacer 42 is made of steel plate, the spacer 42 is sandwiched between the cutter head 41 and the frame 44, and the positioning bolts 43 lock the cutter head 41, the spacer 42, and the frame 44 in the radial direction.
The cutter head 41 with a corresponding diameter can be selected according to the diameter of the motor shaft to be polished, so that the end part of the motor shaft can be polished with high efficiency. For example, when the diameter of the motor shaft is slightly larger, the cutter head 41 is replaced by a corresponding diameter, and a corresponding number of gaskets 42 can be filled between the cutter head 41 and the frame 44 as required to improve the stability of the fit of the cutter head 41 and the frame 44 after installation.
The cutter head 41 with the corresponding radial dimension is selected according to the diameter of the motor shaft to be processed, so that the polishing processing requirements of motor shafts with various radial dimensions can be met.
While the application has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the application and are intended to be within the scope of the application as claimed.

Claims (6)

1. The utility model provides a motor shaft processing equipment, includes base (1), installs motor (3) on the top surface of the one end of base (1), and the coaxial output shaft of fixing on motor (3) of cutter of polishing, its characterized in that still includes:
a first radial clamp (7), the first radial clamp (7) being mounted on the top surface of the end of the base remote from the motor (3);
the motor shaft penetrates through the inside of the first radial clamp (7) along the axial direction, the motor shaft extending into the inside of the first radial clamp (7) is clamped and fixed in the radial direction, and the end part of the motor shaft abutting against the shaft end clamp (8) is clamped and pressed upwards from the radial direction;
a guide tube (5) provided on the top surface of the base at the end where the motor (3) is mounted;
a second radial jig (6) provided radially inside the guide pipe (5), the plurality of second radial jigs (6) being distributed along a circumferential direction of the guide pipe (5), the plurality of second radial jigs (6) being moved radially inside the guide pipe (5) to clamp a motor shaft penetrating inside the guide pipe (5) in a radial direction;
the grinding cutter (4) stretches into the guide pipe (5) along the axial direction and is used for grinding the end part of the motor shaft, the grinding cutter (4), the guide pipe (5), the second radial clamp (6), the first radial clamp (7) and the shaft end clamp (8) are axially aligned, and the motor shaft and the grinding cutter are axially aligned through the clamping of the second radial clamp and the first radial clamp on the motor shaft in the radial direction and the clamping of the shaft end clamp on the end part of the motor shaft;
the first radial clamp (7) comprises a shell (73), a clamping head (71) movably penetrates through the shell (73) along the radial direction, the clamping head (71) comprises a pressing block (712), a first clamping plate (711) is arranged at one end of the pressing block (712) extending into an inner cavity of the shell (73), a transverse plate (714) is vertically arranged at one side of the pressing block (712), a second clamping plate (715) is formed by bending one end of the transverse plate (714) away from the pressing block in a vertical mode, a first bolt (713) is connected into the shell (73) in a threaded mode and is arranged on the pressing block (712), and the first bolt (713) is adjusted to push the pressing block (712) to move along the radial direction of the shell (73) so that the first clamping plate (711) and the second clamping plate (715) are stably clamped on the outer wall of a motor shaft;
the first radial clamp (7) further comprises a pre-tightening piece (72), the pre-tightening piece (72) is arranged in the shell (73) along the radial direction, one end of the pre-tightening piece (72) is abutted to the side face of the clamping head (71) to tightly press the clamping head towards the axis of the shell (73);
the second radial clamp (6) comprises a clamping seat (62), wherein the clamping seat (62) slides in the side wall of the guide pipe (5) along the radial direction, one end, close to the axis of the guide pipe (5), of the clamping seat (62) is fixedly provided with a clamping plate (61), a pressing rod (66) is vertically arranged at the top end of the clamping seat (62), one end of the pressing rod (66) extends to the outside of the guide pipe (5), one end, extending to the outside of the guide pipe, of the pressing rod (66) is fixedly provided with a handle (65), a bearing ring (67) is arranged on the periphery of the pressing rod (66), a pressing seat (64) is arranged on the periphery of the pressing rod (66), the top end of the pressing seat (64) is abutted to the lower side of the handle (65), and the lower end of the pressing seat (64) is extruded to the top surface of the bearing ring (67);
the pre-tightening piece (72) comprises a pre-tightening seat (722), wherein the pre-tightening seat (722) is arranged on the outer wall of the shell (73), a pushing rod (723) is arranged in the pre-tightening seat (722) in a telescopic mode, a pressing plate (724) is arranged at one end, extending to the inside of the shell (73), of the pushing rod (723), the pushing rod (723) is rotated to push the pressing plate (724) to be pressed onto the clamping head (71), a pre-tightening cavity is formed in the pre-tightening seat (722), a buffer piece (721) is arranged at one end of the pushing rod (723), and the buffer piece (721) is pushed onto the pre-tightening seat (722) along the pre-tightening cavity;
the buffer part (721) comprises a baffle ring (7213), the baffle ring (7213) is connected to the jacking rod (723) through threads, the bearing cylinder (7211) is axially arranged on the jacking rod (723) and is located above the baffle ring (7213), one end of the elastic plate (7212) stretches into the bearing cylinder (7211) and is abutted against the top plate of the bearing cylinder (7211), and the other end of the elastic plate (7212) is abutted against the upper surface of the baffle ring (7213).
2. The motor shaft processing device according to claim 1, wherein a guide cavity is formed in the housing (73) in a penetrating manner along an axial direction of the housing (73), a first adjusting port (731) is formed in a side wall of the housing (73) in a radial direction, an outlet of the first adjusting port (731) is communicated with the guide cavity (732), a second adjusting port (733) is formed in the side wall of the housing (73) in a direction parallel to an axial direction of the housing (73), the second adjusting port (733) is communicated with the first adjusting port (731), and the second adjusting ports and the first adjusting ports are respectively in one-to-one correspondence and distributed along a circumferential direction of the housing (73).
3. The motor shaft processing apparatus according to claim 1, wherein the shaft end jig includes a cover (81), a telescopic rod (85) is screwed into the cover (81), an end cap (82) is fixed to an end of the telescopic rod (85) which extends into an inside of the cover (81), a radial pressing member (83) is provided at an edge of the end cap (82) and is movable in a radial direction of the end cap (82), a plurality of pressing members are distributed in a circumferential direction of the end cap for clamping an end portion of the motor shaft in a radial direction, and the end cap (82) abuts against an end portion of the motor shaft for pressing the motor shaft in an axial direction.
4. A motor shaft processing apparatus according to claim 3, wherein the shaft end clamp (8) further comprises a bearing seat (84), the bearing seat (84) is sleeved outside the telescopic rod (85), one end of the bearing seat (84) is abutted against the side wall of the cover (81), and the other end is pressed to the back of the end cover (82) for axially supporting the end cover.
5. The motor shaft processing apparatus according to claim 4, wherein the bearing seat (84) includes a tube (844) fitted over the telescopic rod (85), a support case (841) fixed to one end of the tube (844) and abutting against the back surface of the end cover (82), a backing plate (843) sliding inside the support case (841), and a spring pad (842) pivoted inside the support case (841) and pressing the backing plate (843) onto the end cover (82).
6. Motor shaft machining device according to claim 1, characterized in that the grinding tool (4) comprises a tool holder (45), a plurality of rims are arranged on the circumferential side of the tool holder (45), the tool head (41) is sleeved outside one end of the tool holder (45), the tool head (41) extends axially to the outside of the rims, a gasket (42) is clamped between the tool head (41) and the rims (44), and a positioning bolt (43) locks the tool head, the gasket and the rims in the radial direction.
CN202310566315.1A 2023-05-19 2023-05-19 Motor shaft processing equipment Active CN116394086B (en)

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CN208913718U (en) * 2018-09-18 2019-05-31 菏泽广泰耐磨制品股份有限公司 A kind of tubular metal material device for grinding outer wall
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CN211387774U (en) * 2019-12-16 2020-09-01 倪建华 Numerical control machining center control positioner
CN112372404A (en) * 2020-10-05 2021-02-19 张成涛 Prestressed high-strength concrete pipe pile connecting device
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CN213105695U (en) * 2020-07-08 2021-05-04 昆山德勋瀚电子科技有限公司 Buffer clamping mechanism for positioning metal jig
CN216463091U (en) * 2021-04-15 2022-05-10 深圳市鑫恒畅科技有限公司 Clamping device is used in processing of support palm
CN218194168U (en) * 2022-10-08 2023-01-03 河南金和钢结构工程有限公司 End face grinding machine for batch processing of steel members

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Publication number Priority date Publication date Assignee Title
US20190126416A1 (en) * 2017-11-02 2019-05-02 Yon-Fong Machinery Co., Ltd Clamping device for an engine parts grinder, and its three-point clamping structure and pivoting control structure

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204413659U (en) * 2014-12-24 2015-06-24 重庆慧团商贸有限公司 Regulate the multi-purpose fixture of clamping face
CN208913718U (en) * 2018-09-18 2019-05-31 菏泽广泰耐磨制品股份有限公司 A kind of tubular metal material device for grinding outer wall
CN210476429U (en) * 2019-08-07 2020-05-08 泗阳震轩木门有限公司 Wearability presentation device of various door plants
CN211280303U (en) * 2019-08-22 2020-08-18 襄阳泰升包装有限公司 Buffer for ink jet numbering machine
CN211387774U (en) * 2019-12-16 2020-09-01 倪建华 Numerical control machining center control positioner
CN212824400U (en) * 2020-07-07 2021-03-30 扬州华宇管件有限公司 Pipe orifice deburring device for metal pipe fittings
CN213105695U (en) * 2020-07-08 2021-05-04 昆山德勋瀚电子科技有限公司 Buffer clamping mechanism for positioning metal jig
CN112372404A (en) * 2020-10-05 2021-02-19 张成涛 Prestressed high-strength concrete pipe pile connecting device
CN216463091U (en) * 2021-04-15 2022-05-10 深圳市鑫恒畅科技有限公司 Clamping device is used in processing of support palm
CN218194168U (en) * 2022-10-08 2023-01-03 河南金和钢结构工程有限公司 End face grinding machine for batch processing of steel members

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