CN110103130B

CN110103130B - Stepping motor stator hole grinding tool

Info

Publication number: CN110103130B
Application number: CN201910306972.6A
Authority: CN
Inventors: 邹锦唐; 朱世豪
Original assignee: Guangzhou City Nanor Electrical Appliance Co ltd
Current assignee: Guangzhou City Nanor Electrical Appliance Co ltd
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2022-08-09
Anticipated expiration: 2039-04-17
Also published as: CN110103130A

Abstract

The invention provides a stepping motor stator inner hole grinding tool, comprising: honing strip mounting, honing strip mounting is the fixed honing strip that is equipped with in circular-arc one side, is the fixed movable block that is equipped with in planar one side, the one end of movable block is equipped with first chute, and the other end is equipped with the second chute, and the one end of tool handle is equipped with half through-hole, one side of tool handle is equipped with the notch, the notch with half through-hole is linked together, the tool body is kept away from the one end of draw-in groove is located in the half through-hole, the mounting groove with the notch is linked together, is equipped with first sloping and second sloping on the adjustment sheet respectively, the adjustment sheet establish with the notch with in the passageway that the mounting groove intercommunication formed, wherein first sloping and second sloping respectively with first chute with the second chute cooperatees. The invention has the advantages of simple structure and high adjusting structure.

Description

Stepping motor stator hole grinding tool

Technical Field

The invention relates to a grinding tool, in particular to a stepping motor stator inner hole grinding tool.

Background

The inner hole precision requirement is high. The precision of the inner hole of the stator of the stepping motor directly influences the performance of the stepping motor, under the condition that the precision of the inner hole of the stator of the stepping motor is insufficient, the performance of the stepping motor can be greatly influenced, and the serious precision is insufficient and even the stepping motor can not work. In order to ensure the precision of the inner hole of the stator of the stepping motor, the inner hole of the stepping motor is usually processed by flexible fixed honing.

However, the existing honing tool for the inner hole of the stepping motor has the problems of complex structure and inaccurate adjustment structure.

Disclosure of Invention

In view of the above technical problems, the present invention provides a grinding tool for an inner bore of a stator of a stepping motor, comprising: honing strip mounting, honing strip mounting is the fixed honing strip that is equipped with in circular-arc one side, is the fixed movable block that is equipped with in planar one side, the one end of movable block is equipped with first chute, and the other end is equipped with the second chute, one side of movable block is equipped with the fixture block, is equipped with the mounting groove on the tool body, one side of mounting groove is equipped with the draw-in groove, the activity of movable block is located on the mounting groove, the fixture block with the draw-in groove cooperatees, and the one end of tool handle is equipped with half through-hole, one side of tool handle is equipped with the notch, the notch with half through-hole is linked together, the tool body is kept away from the one end of draw-in groove is located in the half through-hole, the mounting groove with the notch is linked together, is equipped with first sloping and second sloping on the adjusting plate respectively, the adjusting plate establish with the notch with in the passageway that the mounting groove intercommunication formed, wherein first sloping and second sloping respectively with first chute cooperatees.

Preferably, still include stationary blade, sleeve and hook, the stationary blade is the font, and the one end on long limit is equipped with outstanding piece, and the outside of minor face is equipped with the barb, the stationary blade is located the notch with in the passageway that mounting groove intercommunication formed, outstanding piece with the movable block is close to the one end of honing strip mounting contacts, the hook is fixed to be located in the sleeve, the instrument handle is close to half through-hole one end is equipped with the counter bore, the counter bore with the notch communicates with each other, the sleeve is located in the counter bore, the hook passes the counter bore is located in the notch, the sleeve with be equipped with the spring between the counter bore, the hook with the barb colludes tight cooperation.

Preferably, the tool comprises a tool body and a fastening screw, wherein the tool body is provided with a half through hole, the fastening screw is arranged in the half through hole, and one end of the fastening screw is tightly pressed against the tool body.

Preferably, the honing strip is fixed with the honing strip fixing piece in a welding manner.

Preferably, the honing strip fixing piece is welded and fixed with the movable block.

Preferably, the honing stick is made of oilstone.

Preferably, the adjusting sheet is provided with a first moving hook and a second moving hook at one end far away from the second inclined table.

Preferably, the honing strip fixing member, the movable block, the mounting groove and the regulating blade may be one or more.

Compared with the prior art, the invention has the following advantages:

1. the honing strip is fixedly arranged on the arc-shaped surface of the honing strip fixing piece, and the movable block is arranged on the arc-shaped surface of the honing strip fixing piece, so that the fixing structure of the honing strip is greatly simplified, and an unnecessary fixing mechanism is omitted; the freedom degree of the honing strip and the honing strip fixing piece fixedly connected with the honing strip moving along the direction of the mounting groove is cancelled by arranging the clamping block on one side of the movable block and matching the clamping block with the clamping groove on the tool body, and the honing strip fixing piece fixedly connected with the honing strip can still move in the direction far away from or close to the bottom of the mounting groove without additionally arranging a fixed wedge.

2. Through set up first sloping platform and second sloping platform respectively with the first chute and the cooperation of second chute of movable block on the adjustment sheet, make when the adjustment sheet moves along the direction of mounting groove, can make the movable block can be along keeping away from thereupon or being close the direction motion of mounting groove bottom, and first chute and second chute and first sloping platform and second sloping platform have certain angle, when the adjustment sheet removes one section distance, the movable block can be less than the distance that the adjustment sheet removed according to certain proportional movement, consequently, can be with displacement control deviation control in less within range.

Drawings

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

FIG. 2 is a schematic rear perspective view of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a left side schematic view of the inner member of the present invention engaged;

FIG. 5 is a right side schematic view of the inner member engagement of the present invention;

FIG. 6 is a schematic structural view of the honing stick assembly of this invention;

FIG. 7 is a schematic structural view of a tool body according to the present invention;

FIG. 8 is a schematic view of the construction of the tool handle of the present invention;

FIG. 9 is a schematic view of the structure of the adjustment tab of the present invention;

FIG. 10 is a schematic view of the fastening sheet of the present invention.

The reference numbers in the figures illustrate:

1 honing strip fixing piece, 11 honing strips, 12 movable blocks, 13 clamping blocks, 14 first inclined grooves, 15 second inclined grooves, 2 adjusting pieces, 21 second inclined tables, 22 first inclined tables, 23 first movable hooks, 24 second movable hooks, 3 fixing pieces, 31 barbs, 32 protruding blocks, 4 sleeves, 41 hooks, 5 tool bodies, 51 mounting grooves, 52 clamping grooves, 6 tool handles, 61 counter bores, 62 semi-through holes, 63 notches, 64 screw holes and 7 screws.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "fitted/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-10, a step motor stator bore grinding tool includes a honing strip fixture 1, a honing strip 11 is fixedly disposed on a circular arc-shaped surface of the honing strip fixture 1, and the honing strip 11 is welded and fixed with the honing strip fixture 1; the movable block 12 is fixedly arranged on one plane surface, the honing strip fixing piece 1 and the movable block 12 are fixedly welded, and through the integrated welding and fixing arrangement, other fixing structures are omitted for the honing strip 11, so that the honing strip is fully fixed, and meanwhile, the structure of the fixing piece is simplified. One end of the movable block 12 is provided with a first chute 14, the other end is provided with a second chute 15, one side of the movable block 12 is provided with a fixture block 13, the tool body 5 is provided with an installation groove 51, one side of the installation groove 51 is provided with a clamping groove 52, the movable block 12 is movably arranged on the installation groove 51, the fixture block 13 is matched with the clamping groove 52, through the matching of the fixture block 13 and the clamping groove 52, the freedom degree of the honing strip 11 and the honing strip fixing piece 1 fixedly connected with the honing strip moving along the direction of the installation groove 51 is cancelled, so that the honing strip 11 and the honing strip fixing piece 1 fixedly connected with the honing strip can still move in the direction far away from or close to the bottom of the installation groove 51 without additionally arranging a fixed wedge. One end of the tool handle 6 is provided with a half through hole 62, one side of the tool handle 6 is provided with a notch 63, the notch 63 is communicated with the half through hole 62, one end of the tool body 5 far away from the clamping groove 52 is arranged in the half through hole 62, the mounting groove 51 is communicated with the notch 63, one side of the tool handle 6 is provided with a screw hole 64, the screw hole 64 is communicated with the half through hole 62, the set screw 7 is arranged in the screw hole 64, one end of the set screw 7 pushes against the tool body 5 tightly, and through the set screw 7, the fixing of the tool body 5 can be realized. The adjusting sheet 2 is respectively provided with a first inclined platform 22 and a second inclined platform 21, the adjusting sheet 2 is arranged in a channel formed by communicating the notch 63 and the mounting groove 51, wherein the first inclined platform 22 and the second inclined platform 21 are respectively matched with the first inclined groove 14 and the second inclined groove 15, the first inclined platform 22 and the second inclined platform 21 are respectively matched with the first inclined groove 14 and the second inclined groove 15 of the movable block 12, so that when the adjusting sheet 2 moves along the direction of the mounting groove 51, the movable block 12 can move along the direction far away from or close to the bottom 51 part of the mounting groove along with the first inclined platform 22 and the second inclined platform 21, the first inclined groove 14 and the second inclined groove 15 and the first inclined platform 22 and the second inclined platform 21 have certain angles, when the adjusting sheet 2 moves for a distance, the movable block 12 can move for a certain proportion to be smaller than the moving distance of the adjusting sheet 2, thereby controlling the moving distance deviation to be controlled in a smaller range, thereby making the accuracy of the grinding feed higher.

Example 2:

referring to fig. 1-10, based on embodiment 1, a stator inner bore grinding tool for a stepping motor further includes a fixing piece 3, a sleeve 4 and a hook 41, where the fixing piece 3 is 7-shaped, one end of the long side is provided with a protruding block 32, the outer side of the short side is provided with a barb 31, the fixing piece 3 is disposed in a channel formed by a notch 63 communicating with an installation groove 51, the protruding block 32 contacts with one end of a movable block 12 close to a honing-bar fixing piece 1, the hook 41 is fixedly disposed in the sleeve 4, one end of a tool handle 6 close to a half through hole 62 is provided with a counterbore 61, the counterbore 61 communicates with the notch 63, the sleeve 4 is disposed in the counterbore 61, the hook 41 passes through the counterbore 61 and is disposed in the notch 63, a spring is disposed between the sleeve 4 and the counterbore 61, the hook 41 is tightly engaged with the barb 31, by the structure, the protruding block 32 and the movable block 12 can be elastically contacted, so that the movable block 12, the honing bar 1 and the honing bar 11 are fixedly disposed along the installation groove 51 The upward movement is locked further without affecting the movement in the other direction.

Wherein, the adjusting sheet 2 is provided with a first moving hook 23 and a second moving hook 24 at one end far away from the second inclined table 21, and the position of the adjusting sheet 2 can be adjusted by moving the first moving hook 23 and the second moving hook 24.

The honing stick 11, the honing stick fixing part 1, the movable block 12, the mounting groove 51 and the adjusting piece 2 may be one or more.

When the flexible fixing device is used, a processed stepping motor stator is flexibly fixed, and the flexible fixing can play a role in automatic centering in the processing process; then adjusting the adjusting sheet 2 to enable the positions of the honing stick 11, the honing stick fixing piece 1 and the movable block 12 to be close to the bottom of the mounting groove 51; then one end of a honing strip 11 on the inner hole grinding tool is sleeved into the inner hole of the motor stator, so that the inner hole grinding tool of the stator of the stepping motor enters a high-speed rotating state and moves back and forth along the axial direction of the inner hole of the motor stator, and then the adjusting sheet 2 is moved; the movable block 12 moves a relatively small distance along with the movable block, so that the honing strip 11 and the honing strip fixing piece 1 are driven to expand outwards, and high-precision feeding is realized; and after the dimensional accuracy of the inner hole of the stepping motor reaches a preset requirement, stopping the rotation of the grinding tool for the inner hole of the stator of the stepping motor, and drawing the grinding tool for the inner hole of the stator of the stepping motor away from the inner hole of the stator of the stepping motor.

The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides a step motor stator hole grinding tool, includes honing strip mounting (1), honing strip mounting (1) is circular-arc one side is fixed and is equipped with honing strip (11), is the fixed movable block (12) that is planar one side, the one end of movable block (12) is equipped with first chute (14), and the other end is equipped with second chute (15), one side of movable block (12) is equipped with fixture block (13), is equipped with mounting groove (51) on instrument body (5), one side of mounting groove (51) is equipped with draw-in groove (52), movable block (12) activity is located on mounting groove (51), fixture block (13) with draw-in groove (52) cooperate, and the one end of instrument handle (6) is equipped with half through-hole (62), one side of instrument handle (6) is equipped with notch (63), notch (63) with half through-hole (62) are linked together, one end, far away from the clamping groove (52), of the tool body (5) is arranged in the semi-through hole (62), the mounting groove (51) is communicated with the notch (63), a first inclined table (22) and a second inclined table (21) are respectively arranged on the adjusting sheet (2), the adjusting sheet (2) is arranged in a channel formed by the communication of the notch (63) and the mounting groove (51), and the first inclined table (22) and the second inclined table (21) are respectively matched with the first inclined groove (14) and the second inclined groove (15);

further comprising: stationary blade (3), sleeve (4) and hook (41), stationary blade (3) are 7 fonts, and the one end on long limit is equipped with outstanding piece (32), and the outside of minor face is equipped with barb (31), stationary blade (3) are located notch (63) with in the passageway that mounting groove (51) intercommunication formed, outstanding piece (32) with movable block (12) are close to the one end of honing strip mounting (1) contacts, hook (41) are fixed to be located in sleeve (4), tool handle (6) are close to half through-hole (62) one end is equipped with counter bore (61), counter bore (61) with notch (63) communicate with each other, sleeve (4) are located in counter bore (61), hook (41) pass counter bore (61) are located in notch (63), sleeve (4) with be equipped with the spring between counter bore (61), the hook (41) is in tight fit with the barb (31);

two bosses are arranged at the bottom of the long edge of the fixing piece (3) at intervals; the fixing piece (3) is positioned at the upper part of the adjusting piece (2).

2. The stepping motor stator inner hole grinding tool as claimed in claim 1, further comprising a set screw (7), wherein a screw hole (64) is formed in one side of the tool handle (6), the screw hole (64) is communicated with the half through hole (62), the set screw (7) is arranged in the screw hole (64), and one end of the set screw (7) is tightly pressed against the tool body (5).

3. A stepping motor stator bore grinding tool as claimed in claim 1, wherein said honing stick (11) is fixed by welding to said honing stick fixing member (1).

4. A stepping motor stator bore grinding tool as claimed in claim 1, wherein said honing stick fixed member (1) is fixed to said movable block (12) by welding.

5. A stepping motor stator bore grinding tool as claimed in claim 1, wherein said honing stick (11) is made of oilstone.

6. A stepping motor stator bore grinding tool as claimed in claim 1, wherein said adjustment blade (2) is provided with a first moving hook (23) and a second moving hook (24) at an end remote from said second ramp (21).

7. The grinding tool for inner bore of stator of stepping motor as claimed in claim 1, wherein the honing bar (11), the honing bar fixing member (1), the movable block (12), the mounting groove (51) and the adjusting plate (2) may be one or more.