CN116175144A

CN116175144A - Flywheel production and processing device

Info

Publication number: CN116175144A
Application number: CN202310374424.3A
Authority: CN
Inventors: 潘峰; 王红岩; 朴松鹤; 石磊
Original assignee: Jilin Dahua Machine Manufacturing Co ltd
Current assignee: Jilin Dahua Machine Manufacturing Co ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-05-30

Abstract

The invention discloses a flywheel production and processing device, which belongs to the technical field of flywheel production and processing and comprises a heating mechanism, a pressing mechanism and a cooling mechanism, wherein the pressing mechanism is arranged above the heating mechanism and limits a flywheel body, the heating mechanism clamps a gear ring and heats the gear ring, the pressing mechanism drives the flywheel body to press towards the heating mechanism so as to press the flywheel body towards the gear ring, and the cooling mechanism conveys an air body to the gear ring and enables the gear ring to rotate so as to uniformly dissipate heat of the gear ring in the resetting process of the pressing mechanism. The invention effectively keeps the flywheel body and the gear ring coaxial during lamination, and ensures that the laminated flywheel can uniformly dissipate heat.

Description

Flywheel production and processing device

Technical Field

The invention belongs to the technical field of flywheel production and processing, and particularly relates to a flywheel production and processing device.

Background

The surface of the flywheel is provided with a gear ring which is embedded on the outer edge of the flywheel after being heated, is fastened on the outer edge of the flywheel after being cooled and is used for meshing with a starter gear and driving a crankshaft to rotate, thereby starting automobile spare parts of an engine.

In the prior art, the flywheel gear ring is generally pressed by heating the gear ring firstly, then transferring the gear ring to a pressing machine by workers, embedding the gear ring on the outer edge of the flywheel, then cooling the flywheel after pressing, ensuring that the gear ring and the flywheel body are coaxial during actual pressing, and because the gear ring and the flywheel body are manually placed, the gear ring and the flywheel body are manually corrected later, certain precision errors exist, the edges of the flywheel body and the gear ring can touch when the flywheel body and the gear ring are pressed, the embedding effect of a tight thread joint is not achieved, cooling gas always faces to one direction during cooling, the flywheel is difficult to be uniformly cooled, and the heat dissipation effect is poor.

Disclosure of Invention

The invention aims to provide a flywheel production and processing device so as to solve the technical problems.

The utility model provides a flywheel production processingequipment, includes heating mechanism, pressing mechanism and cooling body, pressing mechanism establishes heating mechanism's top and prescribe a limit to the flywheel body, heating mechanism centre gripping ring gear and messenger the ring gear is heated, pressing mechanism drives the flywheel body is pressed towards heating mechanism makes the flywheel body is pressed towards the ring gear, cooling body air conveying body reaches ring gear department just pressing mechanism reset the in-process makes the ring gear rotate with the even heat dissipation of ring gear.

Preferably, the pressing mechanism comprises a fixed support, a fixed footstock, a telescopic cylinder and a telescopic rod, wherein the fixed footstock is positioned above the base, the fixed support is fixedly connected between the fixed footstock and the corner of the base, the top of the fixed footstock is fixedly connected with the telescopic cylinder, the end part of the telescopic cylinder is fixedly connected with the telescopic rod, the telescopic rod is externally limited with a flywheel body and a pressing plate, the pressing plate is positioned above the flywheel body, the telescopic cylinder drives the telescopic rod to be pressed on the heating mechanism, and the pressing plate is pressed on the flywheel body after the telescopic rod is compressed so as to separate the flywheel body from the telescopic rod.

Preferably, the telescopic link includes dead lever, movable rod and spring, the middle part cavity of dead lever just inside slip grafting has the movable rod just fixedly connected with a plurality of between the movable rod the spring, the outer wall of dead lever is opened along its circumferencial direction has a plurality of spacing grooves, the lateral wall of movable rod is opened along its circumferencial direction has a plurality of accomodate the groove, accomodate the groove with spacing groove one-to-one just accomodate sliding connection in the groove has the wedge, wedge's bottom and top all are inclined plane structure just the wedge with fixedly connected with conflict spring between accomodating the groove, the flywheel body is limited the top of wedge just be located the below of clamp plate.

Preferably, the heating mechanism comprises a fixed table, a bidirectional screw rod, a first movable seat, a second movable seat, a smooth section and a fixed seat, wherein a cavity is formed in the inner portion of the placing seat and is penetrated by the bidirectional screw rod, the middle portion of the bidirectional screw rod is provided with the smooth section and the smooth section is externally rotated and sleeved with the fixed seat, the top of the fixed seat is rotationally connected with the fixed table, thread sections on two sides of the bidirectional screw rod are respectively provided with the first movable seat and the second movable seat through threaded connection, the first movable seat and the second movable seat are respectively arranged on two sides of the fixed table and move with the first movable seat and the second movable seat to clamp a gear ring, one side of the first movable seat and one side of the second movable seat are provided with arc-shaped electric heating rings, the fixed table is positioned below the first movable seat and the second movable seat, the middle portion of the fixed table is provided with a groove, and the groove is fixedly connected with a convex rod through a reset spring, and the convex rod is mutually matched with the fixed rod.

Preferably, the bottom fixedly connected with pivot of fixed station just the pivot with the help of the bearing with the fixing base rotates to be connected, the pivot overcoat be equipped with driven gear just one side meshing of driven gear has the driving gear, the driving gear is established place outside the seat, the inside of driving gear is equipped with the spline, one side of dead lever is equipped with L type inserted bar just L type inserted bar inserts in the driving gear, be equipped with on the L type inserted bar with spline sliding connection's helicla flute, the top of helicla flute is equipped with the spout rather than the intercommunication, the spout also with spline sliding connection, the outside of placing the seat is equipped with the restriction the casing of driving gear.

Preferably, the sliding parts slidably connected with the side walls of the cavity are arranged on two sides of the first moving seat and the second moving seat, the fixing parts are arranged on two sides of the fixing seat and fixedly connected with the inner wall of the cavity, and the openings communicated with the cavity and the edges of the driving gear are arranged on two sides of the fixing seat and located in the openings.

Preferably, the cooling mechanism comprises a fan, a wind box and a wind pipe, one side of the placing seat is provided with the wind box and the wind box is internally provided with the fan, one side of the wind box is communicated with the wind pipe, the end part of the wind pipe extends to one side of the fixed table, and the wind pipe and the driving gear are respectively arranged on two sides of the placing seat.

The invention has the following advantages:

the invention is provided with the pressing mechanism, the heating mechanism and the cooling mechanism, the pressing mechanism fixes the flywheel body and drives the flywheel body to press against the heating mechanism, the heating mechanism clamps the gear ring and enables the gear ring to be heated and expand, when the flywheel body presses against the gear ring, the flywheel body moves downwards along the telescopic rod, and the telescopic rod, the gear ring and the fixed table are in a coaxial structure, so that the flywheel body and the gear ring can be kept coaxial, excessive contact between the flywheel body and the edge of the gear ring can be avoided during subsequent pressing, the pressing effect is ensured, in addition, the reset of the telescopic rod can utilize the L-shaped inserted bar to drive the driving gear to rotate, and further, the driven gear can be utilized to drive the fixed table and the pressed flywheel to rotate, and each side surface of the flywheel can be uniformly contacted with cooling gas, so that the effect of full heat dissipation is achieved.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the heating mechanism of the present invention;

FIG. 3 is a schematic view of a part of the heating mechanism of the present invention;

FIG. 4 is a schematic view of the telescopic rod of the present invention;

fig. 5 is a schematic view of the internal structure of the telescopic rod of the present invention.

Wherein:

1. a pressing mechanism; 10. fixing a top seat; 11. a fixed bracket; 12. a telescopic cylinder; 13. a flywheel body; 14. a base;

2. a telescopic rod; 20. a fixed rod; 21. a movable rod; 22. a spring; 23. a limit groove; 24. a storage groove; 25. wedge blocks; 26. a contact spring; 27. a pressing plate; 28. an L-shaped inserted link; 280. a spiral groove; 281. a chute;

3. a heating mechanism; 30. a placement seat; 31. a bidirectional screw; 32. a smooth section; 33. a fixing seat; 330. a rotating shaft; 331. a fixed table; 332. a driven gear; 333. a drive gear; 334. a spline; 335. a housing; 336. a protruding rod; 34. a first movable seat; 35. a second movable seat; 36. arc-shaped electric heating rings; 37. a driving motor;

4. a cooling mechanism; 40. a wind box; 41. an air duct; 42. a blower.

Detailed Description

The following detailed description of the embodiments of the invention, given by way of example only, is presented in the accompanying drawings to aid in a more complete, accurate, and thorough understanding of the inventive concepts and aspects of the invention by those skilled in the art.

The flywheel production and processing device as shown in fig. 1-3 comprises a heating mechanism 3, a pressing mechanism 1 and a cooling mechanism 4, wherein the pressing mechanism 1 is arranged above the heating mechanism 3 and limits a flywheel body 13, the heating mechanism 3 clamps a gear ring and heats the gear ring, the pressing mechanism 1 drives the flywheel body 13 to press towards the heating mechanism 3 so that the flywheel body 13 presses towards the gear ring, and the cooling mechanism 4 conveys an air body to the gear ring and enables the gear ring to rotate so that the gear ring uniformly dissipates heat in the resetting process of the pressing mechanism 1.

The pressing mechanism 1 comprises a fixed support 11, a fixed top seat 10, a telescopic cylinder 12 and a telescopic rod 2, wherein the fixed top seat 10 is positioned above the base 14, the fixed top seat 10 is fixedly connected with the fixed support 11 between corners of the fixed top seat 10 and the base 14, the top of the fixed top seat 10 is fixedly connected with the telescopic cylinder 12, the end part of the telescopic cylinder 12 is fixedly connected with the telescopic rod 2, a flywheel body 13 and a pressing plate 27 are limited outside the telescopic rod 2, the pressing plate 27 is positioned above the flywheel body 13, the telescopic cylinder 12 drives the telescopic rod 2 to be pressed on the heating mechanism 3, and the pressing plate 27 is pressed on the flywheel body 13 after the telescopic rod 2 is compressed so as to separate the flywheel body 13 from the telescopic rod 2. The telescopic rod 2 comprises a fixed rod 20, a movable rod 21 and a spring 22, wherein the middle part of the fixed rod 20 is hollow, the movable rod 21 is inserted into the middle part of the fixed rod 20 in a sliding manner, a plurality of springs 22 are fixedly connected between the top of the movable rod 21 and the fixed rod 20, a plurality of limit grooves 23 are formed in the outer wall of the fixed rod 20 along the circumferential direction of the fixed rod, a plurality of containing grooves 24 are formed in the side wall of the movable rod 21 along the circumferential direction of the movable rod, the containing grooves 24 are in one-to-one correspondence with the limit grooves 23, wedge blocks 25 are slidably connected in the containing grooves 24, the bottoms and the tops of the wedge blocks 25 are in an inclined surface structure, a collision spring 26 is fixedly connected between the wedge blocks 25 and the containing grooves 24, and the flywheel body 13 is limited above the wedge blocks 25 and below the pressing plate 27.

The fixed footstock 10 is used for fixing telescopic cylinder 12, telescopic cylinder 12 drives telescopic link 2 and reciprocates, and then can drive flywheel body 13 on the telescopic link 2 to be close to heating mechanism 3, when installing flywheel body 13, telescopic cylinder 12 is in the shrink state, upwards promote flywheel body 13 from the bottom of movable rod 21, flywheel body 13 hole size is less than the maximum length that wedge 25 stretched out, wedge 25's top and bottom all are the inclined plane structure, consequently, when flywheel body 13 upwards moves along dead lever 20, flywheel body 13 can at first contact wedge 25's bottom, continuously promote flywheel body 13, can make wedge 25 receive the extrusion, and then to the inside of accomodating groove 24, make the shrink of conflict spring 26, until flywheel body 13 moves to the top of wedge 25, after releasing flywheel body 13, conflict spring 26 releases the ability, drive wedge 25 protrusion spacing groove 23, flywheel body 13 is in the top of wedge 25, because wedge 25's top also is the inclined plane structure, therefore flywheel body 13 can make a plurality of wedge 25 and flywheel body and movable rod 21 and the coaxial structure that makes.

The heating mechanism 3 comprises a fixed table 331, a bidirectional screw 31, a first moving seat 34, a second moving seat 35, a smooth section 32 and a fixed seat 33, a cavity is formed in the placing seat 30, the bidirectional screw 31 penetrates through the cavity, the middle of the bidirectional screw 31 is the smooth section, a fixed seat 33 is sleeved outside the smooth section, the top of the fixed seat 33 is rotationally connected with the fixed table 331, thread sections on two sides of the bidirectional screw 31 are respectively connected with the first moving seat 34 and the second moving seat 35 through threads, the first moving seat 34 and the second moving seat 35 are respectively arranged on two sides of the fixed table 331 and move in opposite directions to clamp a gear ring, an arc-shaped electric heating ring 36 is arranged on one side of the first moving seat 34 and one side of the second moving seat 35, the fixed table 331 is located below the first moving seat 34 and the second moving seat 35, a groove is formed in the middle of the fixed table 331, a protruding rod 336 is fixedly connected with the groove through a reset spring, and the protruding rod 336 is matched with the fixed rod 20.

After the flywheel body 13 is fixed, the telescopic cylinder 12 drives the telescopic rod 2 and the flywheel body 13 to move downwards until the movable rod 21 is abutted against the convex rod 336, the telescopic cylinder 12 continues to squeeze, the movable rod 21 is contracted in the fixed rod 20, the convex rod 336 moves into the groove, the wedge block 25 can be moved into the storage groove 24 by contraction of the movable rod 21, the flywheel body 13 further moves downwards under the action of gravity and falls onto the gear ring on the fixed table 331, the rotation of the bidirectional screw 31 can drive the movable seat I34 and the movable seat II 35 to move towards each other, in an initial state, the gear ring is directly placed on the fixed table 331, along with opposite pressurization of the movable seat I34 and the movable seat II 35, the gear ring can be gradually moved to the center of the fixed table 331, the arc-shaped electric heating ring 36 on the movable seat I34 and the movable seat II 35 can be heated uniformly, the gear ring and the fixed table 331 are enabled to be in a coaxial structure, at the moment, the end of the telescopic cylinder 12 continues to squeeze, the fixed rod 20 can move into the groove, and the pressing plate 27 can be driven to pressurize the flywheel body, and the flywheel body 13 can be pressed against each other.

The bottom fixedly connected with pivot 330 just pivot 330 with the help of the bearing with fixing base 33 rotates to be connected, pivot 330 overcoat is equipped with driven gear 332 just driven gear 332's one side meshing has driving gear 333, driving gear 333 establishes place outside the seat 30, driving gear 333's inside is equipped with

spline

334, 20's one side is equipped with L type inserted bar 28 just L type inserted bar 28 inserts in the driving gear 333, be equipped with on the L type inserted bar 28 with spline 334 sliding connection's helicla flute 280, the top of helicla flute 280 is equipped with the spout 281 rather than the intercommunication, spout 281 also with spline 334 sliding connection, place the outside of seat 30 and be equipped with the restriction driving gear 333's casing.

When the telescopic cylinder 12 moves downwards, the L-shaped inserted rod 28 moves into the driving gear 333, as the spiral groove 280 on the surface of the L-shaped inserted rod 28 is in sliding connection with the spline 334 inside the driving gear 333, the driving gear 333 can be driven to rotate by the center of the L-shaped inserted rod 28 by the upward and downward movements of the L-shaped inserted rod 28, the driven gear 332 can be driven to rotate by the rotation of the driving gear 333, the driven gear 332 can be driven to rotate by the driving gear 333 when the L-shaped inserted rod 28 ascends, the rotation of the rotating shaft 330 and the fixed table 331 is realized, the pressed flywheel is retracted along with the retraction of the telescopic cylinder 12, the convex rod 336 protrudes out of the fixed table 331 under the driving of the reset spring, the middle part of the flywheel is limited, the flywheel is prevented from sliding out of the fixed table 331 due to the existence of centrifugal force in the rotation process, the bidirectional screw 31 can be driven to reversely rotate at the moment, the first moving seat 34 and the second moving seat 35 can be driven to reversely move, the two sides of the gear ring gear can be contacted with cooling gas in the rotation process, the cooling mechanism 4 can continuously blow cooling gas to the cooling gas in the rotation process, the flywheel can be cooled evenly, the flywheel can be prevented from being uniformly cooled by the cooling body and the flywheel can be prevented from moving along the spline 331 when the fixed table 331 is arranged along the spline 281, and the fixed chute is prevented from moving along the chute 281.

The two sides of the first moving seat 34 and the second moving seat 35 are provided with sliding parts slidably connected with the side walls of the cavity, the two sides of the fixed seat 33 are provided with fixing parts fixedly connected with the inner walls of the cavity, the two sides of the fixed seat 33 are provided with openings communicated with the cavity, and the edges of the driving gear 333 are positioned in the openings.

The sliding parts are arranged on the first moving seat 34 and the second moving seat 35, so that the two-way screw 31 can enable the first moving seat 34 and the second moving seat 35 to horizontally move under the driving of the driving motor 37, the moving angles of the first moving seat 34 and the second moving seat 35 are limited, the fixed seat 33 is used for supporting the gear ring and the flywheel body, and the fixed seat 33 is fixed by the fixed part.

The cooling mechanism 4 comprises a fan 42, a wind box 40 and a wind pipe 41, one side of the placing seat 30 is provided with the wind box 40, the wind box 40 is internally provided with the fan 42, one side of the wind box 40 is communicated with the wind pipe 41, the end part of the wind pipe 41 extends to one side of the fixed table 331, and the wind pipe 41 and the driving gear 333 are respectively arranged at two sides of the placing seat 30.

The fan 42 sucks cooling gas and conveys the cooling gas to one side of the fixed table 331 by using the wind pipe 41, and the cooling gas can be uniformly contacted with the gear ring along with the rotation of the fixed table 331, so that the utilization rate of the cooling gas is higher.

Working principle: the fixed top seat 10 is used for fixing the telescopic cylinder 12, the telescopic cylinder 12 drives the telescopic rod 2 to move up and down, and further, the flywheel body 13 on the telescopic rod 2 can be driven to approach the heating mechanism 3, when the flywheel body 13 is installed, the telescopic cylinder 12 is in a contracted state, the flywheel body 13 is pushed upwards from the bottom of the movable rod 21, the size of the inner hole of the flywheel body 13 is smaller than the maximum length of the protruding wedge block 25, the top and the bottom of the wedge block 25 are both in inclined structures, therefore, when the flywheel body 13 moves upwards along the fixed rod 20, the flywheel body 13 firstly contacts the bottom of the wedge block 25, the flywheel body 13 is continuously pushed, the wedge block 25 can be extruded, and then the inside of the containing groove 24 is contracted by the abutting spring 26 until the flywheel body 13 moves to the upper side of the wedge block 25, after the flywheel body 13 is released, the abutting spring 26 releases energy, the wedge block 25 is driven to protrude the limiting groove 23, the flywheel body 13 is suspended above the wedge blocks 25, the flywheel body 13 has a downward movement trend under the action of gravity, and because the top of the wedge blocks 25 is also in an inclined plane structure, the flywheel body 13 can enable the wedge blocks 25 to be stressed simultaneously, so that the flywheel body 13, the fixed rod 20 and the movable rod 21 are kept in a coaxial structure, after the flywheel body 13 is fixed, the telescopic cylinder 12 drives the telescopic rod 2 and the flywheel body 13 to move downwards until the movable rod 21 is abutted against the convex rod 336, the telescopic cylinder 12 continues to squeeze, the movable rod 21 is contracted in the fixed rod 20, the convex rod 336 moves into the groove, the wedge blocks 25 can be moved into the containing groove 24 due to contraction of the movable rod 21, the flywheel body 13 can be moved downwards to the gear ring on the fixed table 331 under the action of gravity, the rotation of the bidirectional screw 31 can drive the first movable seat 34 and the second movable seat 35 to move oppositely, in the initial state, the gear ring is directly placed on the fixed table 331, along with the opposite pressurization of the first moving seat 34 and the second moving seat 35, the gear ring can gradually move to the center of the fixed table 331, the arc-shaped electric heating rings 36 on the first moving seat 34 and the second moving seat 35 can uniformly heat the gear ring, the telescopic cylinder 12 continues to squeeze, so that the end part of the fixed rod 20 can move into the groove, at the moment, the pressing plate 27 can be driven to pressurize the flywheel body, the lamination of the flywheel body 13 and the gear ring is realized, the telescopic cylinder 12 moves downwards, the L-shaped inserted rod 28 moves into the driving gear 333, because the spiral groove 280 on the surface of the L-shaped inserted rod 28 is in sliding connection with the spline 334 inside the driving gear 333, the up and down movement of the L-shaped inserted rod 28 can drive the driving gear 333 to rotate with the center of the L-shaped inserted rod 28, the rotation of the driving gear 333 can drive the driven gear 332 to rotate, when the L-shaped inserted link 28 is lifted, the driving gear 333 drives the driven gear 332 to rotate, so as to realize the rotation of the rotating shaft 330 and the fixed table 331, the pressed flywheel is retracted along with the telescopic cylinder 12, the convex link 336 is driven by the return spring to protrude out of the fixed table 331, so as to limit the middle part of the flywheel, the situation that the flywheel slides out of the fixed table 331 due to the existence of centrifugal force in the rotating process is avoided, at the moment, the bidirectional screw 31 reversely rotates, the first movable seat 34 and the second movable seat 35 can be driven to reversely move, so that the two sides of the gear ring can be contacted with cooling gas, the cooling mechanism 4 continuously blows cooling gas to the flywheel in the rotating process, the flywheel can be uniformly cooled, the cooling efficiency is higher, the spline 334 can move along the chute 281 when the gear ring and the flywheel body are prevented from being pressed in the setting of the chute 281, rotation of the fixed table 331 is prevented.

While the invention has been described above with reference to the accompanying drawings, it will be apparent that the invention is not limited to the above embodiments, but is capable of being modified or applied to other applications without modification, as long as various insubstantial modifications of the inventive concept and technical solutions are adopted, all within the scope of the invention.

Claims

1. The utility model provides a flywheel production processingequipment which characterized in that: including heating mechanism (3), pressing mechanism (1) and cooling body (4), pressing mechanism (1) establish the top of heating mechanism (3) and inject flywheel body (13), heating mechanism (3) centre gripping ring gear and make the ring gear is heated, pressing mechanism (1) drive flywheel body (13) press towards heating mechanism (3) so that flywheel body (13) press towards the ring gear, cooling body (4) carry wind body to ring gear department just the in-process that pressing mechanism (1) reset makes the ring gear rotate with the ring gear evenly dispels the heat.

2. The flywheel manufacturing apparatus of claim 1, wherein: pressing mechanism (1) is including fixed bolster (11), fixed footstock (10), telescopic cylinder (12) and telescopic link (2), fixed footstock (10) are located the top of base (14) and fixedly connected with between the corner of fixed footstock (10) and base (14) fixed bolster (11), the top fixedly connected with of fixed footstock (10) telescopic cylinder (12) just telescopic cylinder (12)'s tip fixedly connected with telescopic link (2), telescopic link (2) are outer to be limited with flywheel body (13) and clamp plate (27) just clamp plate (27) are located the top of flywheel body (13), telescopic cylinder (12) drive telescopic link (2) press on heating mechanism (3), telescopic link (2) compress back clamp plate (27) are in flywheel body (13) so that flywheel body (13) break away from telescopic link (2).

3. The flywheel manufacturing apparatus of claim 2, wherein: the telescopic rod (2) comprises a fixed rod (20), a movable rod (21) and a spring (22), wherein the middle part of the fixed rod (20) is hollow and is internally connected with the movable rod (21) in a sliding manner, a plurality of springs (22) are fixedly connected between the top of the movable rod (21) and the fixed rod (20), a plurality of limit grooves (23) are formed in the outer wall of the fixed rod (20) along the circumferential direction of the fixed rod, a plurality of containing grooves (24) are formed in the side wall of the movable rod (21) along the circumferential direction of the movable rod, the containing grooves (24) are in one-to-one correspondence with the limit grooves (23) and wedge blocks (25) are connected in a sliding manner in the containing grooves (24), the bottoms and the tops of the wedge blocks (25) are all in an inclined surface structure, a plurality of collision springs (26) are fixedly connected between the wedge blocks (25) and the containing grooves (24), and the flywheel body (13) is limited above the wedge blocks (25) and is located below the pressing plate (27).

4. A flywheel manufacturing apparatus as defined in claim 3, wherein: the heating mechanism (3) comprises a fixed table (331), a bidirectional screw rod (31), a first movable seat (34), a second movable seat (35), a smooth section (32) and a fixed seat (33), wherein a cavity is formed in the fixed seat (30), the bidirectional screw rod (31) penetrates through the cavity, the middle part of the bidirectional screw rod (31) is the smooth section, the fixed seat (33) is sleeved by the outer rotary sleeve of the smooth section, the top of the fixed seat (33) is rotationally connected with the fixed table (331), threaded sections on two sides of the bidirectional screw rod (31) are respectively connected with the first movable seat (34) and the second movable seat (35) through threads, the first movable seat (34) and the second movable seat (35) are respectively arranged on two sides of the fixed table (331) and the second movable seat (35) and move oppositely to clamp a gear ring, one side of the first movable seat (34) and the second movable seat (35) is provided with an arc-shaped electric heating ring (36), the fixed table (331) is located under the first movable seat (34) and the second movable seat (35) and is matched with a reset rod (336), and the middle part of the fixed rod (336) is matched with the fixed rod (336).

5. The flywheel manufacturing apparatus of claim 4, wherein: the bottom fixedly connected with pivot (330) of fixed station (331) just pivot (330) with fixing base (33) rotate with the help of the bearing and be connected, pivot (330) overcoat is equipped with driven gear (332) just one side meshing of driven gear (332) has driving gear (333), driving gear (333) are established outside placing seat (30), the inside of driving gear (333) is equipped with spline (334), one side of dead lever (20) is equipped with L type inserted bar (28) just L type inserted bar (28) inserts in driving gear (333), be equipped with on L type inserted bar (28) with spline (334) sliding connection's helicla flute (280), the top of helicla flute (280) is equipped with spout (281) rather than the intercommunication, spout (281) also with spline (334) sliding connection, the outside of placing seat (30) is equipped with the restriction driving gear (333) casing.

6. The flywheel manufacturing apparatus of claim 5, wherein: the two sides of the first movable seat (34) and the second movable seat (35) are provided with sliding parts which are in sliding connection with the side walls of the cavity, the two sides of the fixed seat (33) are provided with fixed parts which are fixedly connected with the inner wall of the cavity, the two sides of the fixed seat (33) are provided with openings communicated with the cavity, and the edges of the driving gear (333) are positioned in the openings.

7. The flywheel manufacturing apparatus of claim 6, wherein: the cooling mechanism (4) comprises a fan (42), a wind box (40) and a wind pipe (41), one side of the placing seat (30) is provided with the wind box (40) and the wind box (40) is internally provided with the fan (42), one side of the wind box (40) is communicated with the wind pipe (41) and the end part of the wind pipe (41) extends to one side of the fixing table (331), and the wind pipe (41) and the driving gear (333) are respectively arranged on two sides of the placing seat (30).