CN109623625B - Honing fixture for planetary gear - Google Patents
Honing fixture for planetary gear Download PDFInfo
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- CN109623625B CN109623625B CN201811564855.1A CN201811564855A CN109623625B CN 109623625 B CN109623625 B CN 109623625B CN 201811564855 A CN201811564855 A CN 201811564855A CN 109623625 B CN109623625 B CN 109623625B
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- 238000009434 installation Methods 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000007667 floating Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
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
- B24B33/00—Honing machines or devices; Accessories therefor
- B24B33/10—Accessories
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention provides a honing fixture for a planetary gear, which comprises two gear stop plates and a fixture base, wherein the gear stop plates are detachably connected in the fixture base; the gear stop plate comprises a baffle plate, the inner surface of the baffle plate is provided with a bulge, the clamp base comprises a gear placing table and two arc coamings, the outer side of the gear placing table is fixedly connected with two arc coamings which are distributed in a central symmetry mode, the two arc coamings are wrapped on the outer surface of the gear placing table, two open grooves are formed between the two arc coamings, and the two baffle plates are respectively located in the two open grooves between the two arc coamings; the honing fixture for the planetary gear can complete the quick positioning, moving and blocking functions of the planetary gear, and realizes the quick completion of the honing process of the planetary gear.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a honing fixture for a planetary gear.
Background
In the transmission systems of AT gearboxes, planetary reducers and the like, the planetary gear train structure is based on, in each stage of planetary system, 1 sun gear, 1 gear ring and 3 to 4 planetary gears. Among them, the planetary gear product has inner hole precision required to be within the tolerance 15u and the roughness Ra0.4 due to the assembly and use requirements. Therefore, after finish turning of the inner hole, a honing process is required to be added to ensure the precision of the inner hole machining. At present, a floating drum type honing tool is mainly adopted in domestic honing machines, and consists of a body, a lining, a pressing plate and a gear blocking screw. Because the floating drum-type clamp needs an operator to fix the gear by using the screw so as to prevent the gear from rolling in the drum, 5 screws need to be manually screwed in the preparation process of processing three gears, so that the processing efficiency of a product is low, and quick production and manufacturing cannot be realized.
Disclosure of Invention
In view of the above, the invention aims to provide a honing fixture for a planetary gear, which can complete the quick positioning, moving and blocking functions of the planetary gear and realize the automatic production and processing of the honing of the planetary gear.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
the honing fixture for the planetary gear comprises two gear stop plates and a fixture base, wherein the gear stop plates are detachably connected in the fixture base; the gear stop plate comprises a baffle plate, and the inner surface of the baffle plate is partially protruded to form a limiting protrusion, and the limiting protrusion is an inclined triangular prism-shaped protrusion; the fixture base comprises a gear placing table and two arc coamings, wherein the gear placing table is a cylindrical metal piece, two arc coamings which are distributed in a central symmetry mode are fixedly connected to the outer side of the gear placing table, the two arc coamings are incompletely wrapped on the outer surface of the gear placing table, and two open grooves are formed between the two opposite arc coamings; the two baffles are respectively positioned in the two open slots between the two arc coamings.
Further, the honing fixture for the planetary gear further comprises two positioning pins, and the two gear stop plates are detachably and rotatably connected in the fixture base through the two positioning pins respectively; the gear stop plate further comprises mounting plates, one side of the lower part of the baffle plate extends out of one arc-shaped mounting plate, wherein each arc-shaped mounting plate is provided with a positioning pin mounting hole, and the positioning pin mounting hole is a through hole in the vertical direction; the fixture base further comprises two upper connecting plates and a lower connecting plate, wherein the outer surface of each arc-shaped coaming extends out of the upper connecting plate in the horizontal direction, the two upper connecting plates are positioned at the same height, the lower connecting plate is arranged below the arc-shaped coaming, and the two arc-shaped coamings are vertically and fixedly connected to the upper surface of the lower connecting plate; the upper connecting plates are parallel to the lower connecting plates, a first pin hole is formed in each upper connecting plate, two second pin holes are formed in the lower connecting plate, and the two second pin holes are respectively corresponding to the two first pin holes up and down; the mounting panel passes through the locating pin rotatable coupling between upper connecting plate and lower connecting plate, and the locating pin runs through in proper order through No. one pinhole, locating pin mounting hole and No. two pinholes, and the mounting panel can rotate around the locating pin.
Further, an elastic member is provided between the gear stop plate and the jig base, and the elastic member allows the gear stop plate to return after rotating.
Further, the elastic component that is used for planetary gear's honing anchor clamps, gear stop board and anchor clamps base are the spring, the spring is equipped with two, extrudees between every mounting panel of group and the arc bounding wall and installs a spring, is provided with a hole in the terminal internal surface of every mounting panel, is equipped with a hole in the surface of every arc bounding wall, a hole in the spring installation and a hole in the spring installation are corresponding, and a hole in the spring installation are the blind hole, and the both ends of spring are arranged in a hole in the spring installation and a hole in the spring installation respectively, and the spring receives the extrusion between a hole in the spring installation and a hole in the spring installation.
Further, the gear stop plate further comprises a connecting plate, the other side of the lower part of the baffle plate extends out of the connecting plate, the connecting plate is not in direct contact with the arc coaming, and the distance between the connecting plate and the arc coaming can be adjusted.
Further, the honing fixture for the planetary gear further comprises two threaded columns, the two threaded columns penetrate through the two connecting plates respectively, a threaded hole is formed in each connecting plate, the threaded holes are through holes in the horizontal direction, the threaded columns penetrate through the threaded holes, and one end of the inner side of each threaded column is tightly propped against the outer surface of the arc-shaped coaming.
Further, the honing fixture for the planetary gear is characterized in that the upper surface of the gear placing table is locally raised upwards to form a plurality of bosses serving as supporting pads.
Further, the honing fixture for the planetary gear is characterized in that four bosses are arranged and uniformly distributed on the upper surface of the gear placing table.
Further, the cross-sectional shape of the boss is a sector ring shape of the honing jig for a planetary gear.
Compared with the prior art, the invention has the following advantages:
(1) Compared with the prior art, the honing fixture for the planetary gear omits a positioning screw for preventing the gear from rotating and an upper positioning plate for preventing the gear from moving up and down, and the limiting protrusion on the inner surface of the baffle is matched with one tooth socket of the bevel gear, so that the blocking function of the gear can be completed, and the two degrees of freedom of movement of the gear can be limited through one component.
(2) According to the honing fixture for the planetary gear, the spring is arranged between the gear stop plate and the fixture base, so that the gear stop plate can be quickly reset after rotating, quick upward movement of the gear can be completed, quick production and processing of honing of the planetary gear are realized, and the production efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a top view of the invention of FIG. 1;
FIG. 3 is a schematic view of the mounting location of the spring;
FIG. 4 is a schematic structural view of a fixture base;
FIG. 5 is a top view of the clamp base of FIG. 4;
FIG. 6 is a schematic view of the inside construction of the gear stop plate;
FIG. 7 is a schematic view of the outer side structure of the gear stop plate;
FIG. 8 is a schematic view of the installation of a planetary gear in a fixture according to the present invention;
fig. 9 is a top view of fig. 8.
Reference numerals illustrate:
1-a gear stop plate; 11-a baffle; 111-limit protrusions; 12-mounting plates; 121-locating pin mounting holes; 122-spring mounting hole number one; 13-connecting plates; 131-a threaded hole; 2-a spring; 3-threaded posts; 4-locating pins; 5-a clamp base; 51-gear placement stage; 511-boss; 52-arc coaming; 521-the spring is provided with a second hole; 53-upper connection plate; 531-pin holes; 54-lower connecting plates; 541-second pin holes; 6-planetary gear.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1-9, the invention provides a honing fixture for a planetary gear, which comprises two gear stop plates 1, a fixture base 5, two springs 2, two threaded columns 3 and two positioning pins 4, wherein the two gear stop plates 1 are respectively detachably and rotatably connected in the fixture base 5 through the two positioning pins 4, the springs 2 are arranged between the gear stop plates 1 and the fixture base 5, the springs 2 enable the gear stop plates 1 to reset after rotating, specifically, one spring 2 is arranged between each group of mounting plates 12 and an arc-shaped coaming 52 in a pressing manner, the two threaded columns 3 respectively penetrate through the two connecting plates 13, a threaded hole 131 is formed in each connecting plate 13, the threaded hole 131 is a through hole in the horizontal direction, the threaded columns 3 penetrate through the threaded hole 131, one end of the inner side of each threaded column 3 is tightly propped against the outer surface of the arc-shaped coaming 52, and the distance between the connecting plates 13 and the arc-shaped coaming 52 can be adjusted through screwing in or screwing out of the threaded columns 3.
The gear stop plate 1 comprises a baffle 11, a mounting plate 12 and a connecting plate 13, wherein one side of the lower part of the baffle 11 extends out of the arc-shaped mounting plate 12, and the other side of the lower part of the baffle 11 extends out of the connecting plate 13; the inner surface of the baffle 11 is partially protruded to form a limit protrusion 111, and the limit protrusion 111 is an inclined triangular prism-shaped protrusion; each mounting plate 12 is provided with a positioning pin mounting hole 121, and the positioning pin mounting holes 121 are through holes in the vertical direction; a threaded hole 131 is formed in each connecting plate 13, and the threaded hole 131 is a through hole in the horizontal direction.
The fixture base 5 comprises a gear placing table 51 and two arc-shaped coamings 52, wherein the gear placing table 51 is a cylindrical metal piece, the upper surface of the gear placing table 51 is locally raised upwards to form four bosses 511 with supporting pad function, the bosses 511 are uniformly distributed on the upper surface of the gear placing table 51, the cross section of each boss 511 is in a fan shape, the outer side of the gear placing table 51 is fixedly connected with two arc-shaped coamings 52 which are symmetrically distributed in a central mode, the two arc-shaped coamings 52 are incompletely wrapped on the outer surface of the gear placing table 51, and two open slots are formed between the two opposite arc-shaped coamings 52; the two baffles 11 are respectively positioned in the two open slots between the two arc coamings 52; the fixture base 5 further comprises two upper connecting plates 53 and a lower connecting plate 54, wherein the outer surface of each arc-shaped coaming 52 extends out of the upper connecting plate 53 in the horizontal direction, the two upper connecting plates 53 are positioned at the same height, the lower connecting plate 54 is arranged below the arc-shaped coaming 52, and the two arc-shaped coapers 52 are vertically fixedly connected to the upper surface of the lower connecting plate 54; the upper connecting plates 53 and the lower connecting plates 54 are parallel, a first pin hole 531 is arranged in each upper connecting plate 53, two second pin holes 541 are arranged in the lower connecting plates 54, and the two second pin holes 541 respectively correspond to the two first pin holes 531 up and down.
The mounting plate 12 is rotatably connected between the upper connecting plate 53 and the lower connecting plate 54 through the positioning pin 4, the positioning pin 4 sequentially penetrates through the first pin hole 531, the positioning pin mounting hole 121 and the second pin hole 541, and the mounting plate 12 can rotate around the positioning pin 4; a first spring mounting hole 122 is formed in the inner surface of the tail end of each mounting plate 12, a second spring mounting hole 521 is formed in the outer surface of each arc-shaped surrounding plate 52, the first spring mounting hole 122 corresponds to the second spring mounting hole 521, the first spring mounting hole 122 and the second spring mounting hole 521 are blind holes, two ends of the spring 2 are located in the first spring mounting hole 122 and the second spring mounting hole 521 respectively, and the spring 2 is extruded between the first spring mounting hole 122 and the second spring mounting hole 521.
Before honing the planetary gear 6, the planetary gear 6 is placed on a gear placing table 51 in the honing fixture, a boss 511 arranged on the gear placing table 51 can play a role of a supporting pad for the planetary gear 6, and the premise is that the inclination angle of a limit protrusion 111 on the inner surface of a baffle 11 is matched with the helix angle of the planetary gear 6, so that the limit protrusion 111 is positioned in one tooth slot of the planetary gear 6, and the rotation and the up-down displacement of the gear can be limited; when the planetary gear 6 is placed, an operator can put the gear into the planetary gear by only outwards poking the two gear stop plates 1, and after the operator releases the hand, the reset of the gear stop plates 1 can be realized through the rebound of the springs 2; the screw column 3 is screwed in or screwed out, the size of a gap between the connecting plate 13 and the arc coaming 52 is adjusted, and the closing angle of the gear stop plate 1 can be adjusted in a small range, so that the position of the limiting protrusion 111 is matched with the planetary gear 6 better; after the clamping of the planetary gear 6 is completed, honing is performed, after the honing is completed, the two gear stop plates 1 are shifted, the planetary gear 6 is taken out, and the next planetary gear 6 is processed.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (4)
1. A honing fixture for a planetary gear, characterized in that: comprises two gear stop plates (1) and a clamp base (5), wherein the gear stop plates (1) are detachably connected in the clamp base (5);
the gear stop plate (1) comprises a baffle plate (11), wherein a limiting protrusion (111) is formed by partially protruding the inner surface of the baffle plate (11), and the limiting protrusion (111) is an inclined triangular prism-shaped protrusion;
the fixture base (5) comprises a gear placing table (51) and two arc-shaped coamings (52), wherein the gear placing table (51) is a cylindrical metal piece, two arc-shaped coamings (52) which are symmetrically distributed in the center are fixedly connected to the outer side of the gear placing table (51), the two arc-shaped coamings (52) are incompletely wrapped on the outer surface of the gear placing table (51), and two open grooves are formed between the two opposite arc-shaped coamings (52);
the two baffles (11) are respectively positioned in the two open slots between the two arc coamings (52);
the two gear stop plates (1) are respectively detachably and rotatably connected in the clamp base (5);
the two gear stop plates (1) are detachably and rotatably connected in the clamp base (5) through the two positioning pins (4);
the gear stop plate (1) further comprises mounting plates (12), one arc-shaped mounting plates (12) extend out of one side of the lower part of the baffle plate (11), wherein each mounting plate (12) is provided with a positioning pin mounting hole (121), and the positioning pin mounting holes (121) are through holes in the vertical direction;
the fixture base (5) further comprises two upper connecting plates (53) and a lower connecting plate (54), wherein the outer surface of each arc-shaped coaming (52) extends out of the upper connecting plate (53) in the horizontal direction, the two upper connecting plates (53) are positioned at the same height, the lower connecting plate (54) is arranged below the arc-shaped coaming (52), and the two arc-shaped coamings (52) are vertically and fixedly connected to the upper surface of the lower connecting plate (54); the upper connecting plates (53) are parallel to the lower connecting plates (54), a first pin hole (531) is formed in each upper connecting plate (53), two second pin holes (541) are formed in the lower connecting plates (54), and the two second pin holes (541) are respectively corresponding to the two first pin holes (531) up and down;
the mounting plate (12) is rotatably connected between the upper connecting plate (53) and the lower connecting plate (54) through the positioning pin (4), the positioning pin (4) sequentially penetrates through the first pin hole (531), the positioning pin mounting hole (121) and the second pin hole (541), and the mounting plate (12) can rotate around the positioning pin (4);
an elastic component is arranged between the gear stop plate (1) and the clamp base (5), and the elastic component enables the gear stop plate (1) to reset after rotating;
the elastic component between the gear baffle plate (1) and the clamp base (5) is a spring (2), the spring (2) is provided with two, one spring (2) is installed between each group of mounting plates (12) and the arc-shaped coaming (52) in an extrusion mode, a first spring installation hole (122) is formed in the inner surface of the tail end of each mounting plate (12), a second spring installation hole (521) is formed in the outer surface of each arc-shaped coaming (52), the first spring installation hole (122) corresponds to the second spring installation hole (521), the first spring installation hole (122) and the second spring installation hole (521) are blind holes, two ends of the spring (2) are located in the first spring installation hole (122) and the second spring installation hole (521) respectively, and the spring (2) is extruded between the first spring installation hole (122) and the second spring installation hole (521);
the gear stop plate (1) further comprises a connecting plate (13), the other side of the lower part of the baffle plate (11) extends out of the connecting plate (13), the connecting plate (13) is not in direct contact with the arc-shaped coaming (52), and the distance between the connecting plate (13) and the arc-shaped coaming (52) can be adjusted;
the upper surface of the gear placing table (51) is partially raised upward to form a plurality of bosses (511) serving as support pads.
2. A honing fixture for a planetary gear as claimed in claim 1, characterized in that: still include two screw thread posts (3), two screw thread posts (3) run through respectively in two connecting plates (13), offered a screw hole (131) in every connecting plate (13), screw hole (131) are the through-hole of horizontal direction, and screw thread post (3) run through in this screw hole (131), and the inboard one end of screw thread post (3) tightly pushes up the surface at arc bounding wall (52).
3. A honing fixture for a planetary gear as claimed in claim 1, characterized in that: the number of the bosses (511) is four, and the bosses are uniformly distributed on the upper surface of the gear placing table (51).
4. A honing fixture for a planetary gear as claimed in claim 1, characterized in that: the cross section of the boss (511) is in a fan ring shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811564855.1A CN109623625B (en) | 2018-12-20 | 2018-12-20 | Honing fixture for planetary gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811564855.1A CN109623625B (en) | 2018-12-20 | 2018-12-20 | Honing fixture for planetary gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109623625A CN109623625A (en) | 2019-04-16 |
| CN109623625B true CN109623625B (en) | 2023-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811564855.1A Active CN109623625B (en) | 2018-12-20 | 2018-12-20 | Honing fixture for planetary gear |
Country Status (1)
| Country | Link |
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| CN (1) | CN109623625B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110181395A (en) * | 2019-05-28 | 2019-08-30 | 重庆神箭汽车传动件有限责任公司 | General gear top gem of a girdle-pendant hole fixture |
| CN112595213B (en) * | 2020-10-19 | 2022-06-21 | 江苏华永复合材料有限公司 | Method for assembling axle differential |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109623625A (en) | 2019-04-16 |
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