CN213350665U

CN213350665U - Split combined die for gear ring machining

Info

Publication number: CN213350665U
Application number: CN202021071693.0U
Authority: CN
Inventors: 赵梦逸
Original assignee: Wuxi Longdi Precised Forgings Co ltd
Current assignee: Wuxi Longdi Precised Forgings Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-06-04
Anticipated expiration: 2030-06-11

Abstract

The utility model discloses a ring gear processing is with combined mould of components of a whole that can function independently, including core roller transposition section, threaded sleeve and ring gear processing cover, the upper and lower both ends outside of core roller transposition section all overlaps and is equipped with the lasso, and the lasso is close to the one end of core roller transposition section horizontal center line and all is fixed with the wind-break disc, the threaded sleeve is fixed at the middle part outer wall of core roller transposition section, and the impartial distance in both sides has run through first oblique wind hole about the inside of threaded sleeve, ring gear processing cover spiral shell is established in the outside of threaded sleeve, the equal fixed welding in both ends of core roller transposition section has core roller fixed section. In this combined mould of components of a whole that can function independently for ring gear processing, ring gear processing cover spiral shell connects in threaded sleeve's outside, has made things convenient for the dismouting to ring gear processing cover, has improved the practicality of this mould, has enlarged the application scope of this mould, and the oblique angle setting in first oblique wind hole and the oblique wind hole of second also is for carrying out quick forced air cooling to pressing the ring gear to help forging cooling shaping.

Description

Split combined die for gear ring machining

Technical Field

The utility model relates to a ring gear mould technical field specifically is a ring gear processing is with combined mould of components of a whole that can function independently.

Background

The gear ring is embedded on the outer edge of the flywheel after being heated, and is fastened on the outer edge of the flywheel after being cooled, so that the gear ring is meshed with a starter gear to drive a crankshaft to rotate and start parts of an engine, and the gear ring is machined by generally selecting a die to be forged and integrally formed, so that the gear ring is convenient and quick, and the precision is effectively guaranteed.

The existing die for machining the gear ring generally adopts an integrated structure, can not be detached and replaced independently, has great limitation in use, can not adapt to forging machining of gear rings with various sizes, has narrow application range, and is not beneficial to efficient production and manufacturing due to frequent replacement in the production process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ring gear processing is with the combined mould of components of a whole that can function independently to solve the current ring gear processing mould of proposing in the above-mentioned background art, generally adopt the integral structure, can not carry out the problem of independent disassembling and reassembling.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a ring gear processing is with combined mould of components of a whole that can function independently, includes core roller transposition section, threaded sleeve and ring gear processing cover, the upper and lower both ends outside of core roller transposition section all is equipped with the lasso, and the lasso is close to the one end of core roller transposition section horizontal center line and all is fixed with the windshield dish, the threaded sleeve is fixed at the middle part outer wall of core roller transposition section, and the impartial distance in both sides has first oblique wind hole about the inside of threaded sleeve, ring gear processing cover spiral shell is established in the telescopic outside of screw thread, and the impartial distance in both sides has the second oblique wind hole about the inside of ring gear processing cover, the equal fixed welding in both ends of core roller transposition section has core roller fixed section.

Preferably, the outer walls of the upper end and the lower end of the core roller switching section are provided with air leakage grooves, and air nets are fixed in the air leakage grooves.

Preferably, the inside of lasso all is provided with the ventilation groove, and highly looks parallel and level between ventilation groove and the hourglass wind groove, the outside equidistance in below slant of ventilation groove is provided with the inclined hole, and the ventilation groove evenly runs through being equipped with the wind hole towards one side of leaking the wind groove, be linked together through the wind hole between ventilation groove and the hourglass wind groove.

Preferably, the wind-break disc is of an umbrella-shaped structure, the angle of the inclined plane of the inner side face of the wind-break disc is 20 degrees, and the oblique angle of the inclined hole is 80 degrees.

Preferably, the first oblique air holes and the second oblique air holes are communicated in a one-to-one correspondence mode, and the first oblique air holes and the second oblique air holes form an inclination angle of 45 degrees with the vertical plane.

Preferably, the core roller switching section and the core roller fixing section are both of a hollow pipeline structure, and the end part of the core roller fixing section is conical.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in this combined mould of components of a whole that can function independently for ring gear processing, ring gear processing cover spiral shell connects in threaded sleeve's outside, has made things convenient for the dismouting to ring gear processing cover, has improved the practicality of this mould, has enlarged the application scope of this mould, and the oblique angle setting in first oblique wind hole and the oblique wind hole of second also is for carrying out quick forced air cooling to pressing the ring gear to help forging cooling shaping.

2. The air leakage groove is used for supplying air to the outside of the core roller so as to guarantee smooth realization of functions such as chip removal and cooling, and the air net is used for filtering air and avoiding quality influence on the gear ring forging caused by blowing of dust and impurities on the gear ring forging.

3. The ventilation groove combines inclined hole and wind hole for to lead out the wind that draws from the interior cluster of core roller change section with suitable angle to the core roller change section outside, thereby can use the forging position for the forging cooling, supplementary dust blowing and chip removing, the dish that keeps off the wind is used for avoiding wind-force to scatter and disappear, makes wind can obtain utilizing better, correctly plays its effect.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

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

fig. 4 is the structure diagram of the threaded sleeve and the gear ring processing sleeve of the present invention.

In the figure: 1. a core roll change-over section; 2. a wind leaking groove; 3. a wind net; 4. a ferrule; 5. a wind shield plate; 6. a ventilation slot; 7. an inclined hole; 8. a wind hole; 9. a threaded sleeve; 10. a first oblique wind hole; 11. a gear ring machining sleeve; 12. a second oblique wind hole; 13. pressing the gear ring; 14. a core roller fixing section.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a split combined type die for machining a gear ring comprises a core roller changing-over section 1, a threaded sleeve 9 and a gear ring machining sleeve 11, wherein air leakage grooves 2 are formed in the outer walls of the upper end and the lower end of the core roller changing-over section 1, air nets 3 are fixed in the air leakage grooves 2, the air leakage grooves 2 are used for supplying air to the outside of the core roller so as to ensure the smooth realization of functions of chip removal, cooling and the like, the air nets 3 are used for filtering air, and dust and impurities are prevented from being blown onto the gear ring forging piece to cause quality influence on the gear ring forging piece;

the outer sides of the upper end and the lower end of the core roller switching section 1 are respectively sleeved with a ferrule 4, one end of the ferrule 4 close to the horizontal central line of the core roller switching section 1 is respectively fixed with a wind shield disc 5, the inside of the ferrule 4 is respectively provided with a ventilation groove 6, the height between the ventilation groove 6 and the wind leakage groove 2 is parallel and level, inclined holes 7 are obliquely and outwards arranged at equal intervals below the ventilation groove 6, one side of the ventilation groove 6 facing the wind leakage groove 2 is uniformly provided with wind holes 8, the ventilation groove 6 is communicated with the wind leakage groove 2 through the wind holes 8, the ventilation groove 6 is combined with the inclined holes 7 and the wind holes 8 and is used for guiding wind which is led in the core roller switching section 1 to the outside of the core roller switching section 1 at a proper angle, so that the wind can act on the position of a forged piece to accelerate the cooling of the forged piece, and assist in dust blowing and scrap removal, the wind shield discs 5 are in umbrella-shaped structures, the inclined angle of the inner side surfaces of the wind shield discs 5 is 20 degrees, the inclined, the wind energy can be better utilized and the function of the wind energy can be correctly played, the oblique angle of the inclined hole 7 is larger than the oblique angle of the inner side surface of the wind shield disc 5, so that the wind sent out from the inclined hole 7 is better blocked by the wind shield disc 5 and is less prone to dispersion;

the threaded sleeve 9 is fixed on the outer wall of the middle part of the core roller switching section 1, first oblique air holes 10 penetrate through the upper side and the lower side of the interior of the threaded sleeve 9 at equal distances, a gear ring machining sleeve 11 is spirally sleeved on the exterior of the threaded sleeve 9, second oblique air holes 12 penetrate through the upper side and the lower side of the interior of the gear ring machining sleeve 11 at equal distances, the first oblique air holes 10 and the second oblique air holes 12 are communicated in a one-to-one correspondence mode, the first oblique air holes 10 and the second oblique air holes 12 form an inclination angle of 45 degrees with a vertical surface, the gear ring machining sleeve 11 is spirally sleeved on the exterior of the threaded sleeve 9, the gear ring machining sleeve 11 is convenient to disassemble and assemble, the practicability of the die is improved, the application range of the die is expanded, the oblique angle arrangement of the first oblique air holes 10 and the second oblique air holes 12 is also used for carrying out quick air cooling on a pressed gear ring 13, and the cooling forming of a forged;

the both ends of core roller transposition section 1 all fixed welding have core roller fixed section 14, and core roller transposition section 1 and core roller fixed section 14 all are cavity pipeline column structure, and the tip shape of core roller fixed section 14 all is coniform, and core roller transposition section 1 and the inside wind that can cluster of core roller fixed section 14 have further guaranteed the smooth supply of wind-force, and coniform core roller fixed section 14 is convenient for fix this mould.

The working principle is as follows: for the die, firstly, according to the actual product requirement, selecting a pressing gear ring 13 with proper tooth path, tooth number and bevel angle, sleeving a gear ring processing sleeve 11 on the outer part of a threaded sleeve 9 in a threaded connection mode until a first oblique air hole 10 and a second oblique air hole 12 correspond to each other one by one, then fixing the die on a processing table, assisting a main die, placing the product between the main die and the die, compacting, rotating the main die to drive the product to rotate, or rotating and rotating the die around the product until the gear pattern is pressed out of the product, after forging and pressing, feeding air into the die, feeding the air flow into an air hole 8 through an air leakage groove 2, then feeding the air flow into a ventilation groove 6, finally discharging the air flow to the position of the gear ring processing sleeve 11 from an oblique hole 7, cooling the gear ring processing sleeve 11 by air cooling, and also directly feeding the air flow out of the gear ring processing sleeve 11 from the first oblique air hole 10 and the second oblique air hole 12, and (4) applying the forging to directly cool the forging by air cooling so as to rapidly cool and mold the gear ring forging.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a ring gear processing is with combined mould of components of a whole that can function independently, includes core roller switching section (1), threaded sleeve (9) and ring gear processing cover (11), its characterized in that: the core roller transposition section (1) is characterized in that the outer sides of the upper end and the lower end of the core roller transposition section (1) are respectively provided with a ferrule (4), one end of the ferrule (4) close to the horizontal central line of the core roller transposition section (1) is fixedly provided with a wind shield disc (5), the outer wall of the middle part of the core roller transposition section (1) is fixed on the threaded sleeve (9), first oblique wind holes (10) penetrate through equal distances of the upper side and the lower side of the inside of the threaded sleeve (9), a spiral sleeve of a gear ring processing sleeve (11) is arranged outside the threaded sleeve (9), second oblique wind holes (12) penetrate through equal distances of the upper side and the lower side of the inside of the gear ring processing sleeve (11), and core roller fixing sections (14) are fixedly welded at the two ends of the core roller transposition section.

2. The split combined type mold for processing the gear ring according to claim 1, wherein: the outer walls of the upper end and the lower end of the core roller switching section (1) are respectively provided with an air leakage groove (2), and an air net (3) is fixed in each air leakage groove (2).

3. The split combined type mold for processing the gear ring according to claim 1, wherein: the inside of lasso (4) all is provided with ventilation groove (6), and highly looks parallel and level between ventilation groove (6) and hourglass wind groove (2), the outside equidistance of below slant of ventilation groove (6) is provided with inclined hole (7), and ventilation groove (6) evenly runs through towards one side of leaking wind groove (2) and is equipped with wind hole (8), be linked together through wind hole (8) between ventilation groove (6) and the hourglass wind groove (2).

4. The split combined type mold for processing the gear ring according to claim 3, wherein: the wind-shield disc (5) is of an umbrella-shaped structure, the angle of the inclined plane of the inner side face of the wind-shield disc (5) is 20 degrees, and the angle of the inclined hole (7) is 80 degrees.

5. The split combined type mold for processing the gear ring according to claim 1, wherein: the first oblique air holes (10) and the second oblique air holes (12) are communicated in a one-to-one correspondence mode, and the first oblique air holes (10) and the second oblique air holes (12) form an angle of inclination of 45 degrees with a vertical plane.

6. The split combined type mold for processing the gear ring according to claim 1, wherein: the core roller changing section (1) and the core roller fixing section (14) are both of hollow pipeline structures, and the end part of the core roller fixing section (14) is conical.