CN110743999A - Closed forging process and die structure for gear ring - Google Patents
Closed forging process and die structure for gear ring Download PDFInfo
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- CN110743999A CN110743999A CN201911209644.0A CN201911209644A CN110743999A CN 110743999 A CN110743999 A CN 110743999A CN 201911209644 A CN201911209644 A CN 201911209644A CN 110743999 A CN110743999 A CN 110743999A
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- water
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- fixedly connected
- pressing plate
- gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/28—Making machine elements wheels; discs
- B21K1/30—Making machine elements wheels; discs with gear-teeth
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a closed forging process and a die structure for a gear ring. According to the closed forging die structure for the gear ring, the upper die is water-cooled through the upper die water-cooling mechanism, the lower die is water-cooled through the lower die water-cooling mechanism, the surface hardness of the forged gear is improved, meanwhile, the transmission mechanism drives the pressing plate to move upwards, the pressing plate drives the upper die to be separated from the lower die, a user can take out the forged gear conveniently, the problem that the existing die is low in practicability is solved, the die is assembled through threaded connection during forging, the upper die and the lower die are not convenient to disassemble after being pressed, the forging efficiency is low, meanwhile, most of forged gears are air-cooled, the surface hardness of the gears is not closed, the closed forging die structure for the gear ring has the advantages of convenience in die assembly and disassembly, and the.
Description
Technical Field
The invention relates to the technical field of forging dies, in particular to a closed forging process and a die structure for a gear ring.
Background
The gear is a mechanical element with a rim provided with a gear which is continuously meshed to transmit motion and power, the gear is applied in transmission very early, and a principle of generating a gear cutting method and a special machine tool and a cutter which use the principle to cut the gear appear in succession before a long time.
But current mould practicality is low, all adopts threaded connection assembly when the mould forges, demolishs inconveniently after going up the lower mould pressfitting, makes forging efficiency low, and the gear after most forging adopts the forced air cooling simultaneously, makes gear surface hardness not too close, has reduced product quality.
Disclosure of Invention
The invention aims to provide a gear ring closed forging process and a mold structure, which have the advantages of convenient mold closing and dismounting, forging and water cooling, and solve the problems that the existing mold is low in practicability, the molds are assembled by adopting threaded connection during forging, the upper mold and the lower mold are not convenient to dismount after being pressed, the forging efficiency is low, and meanwhile most forged gears are air-cooled, so that the surface hardness of the gears is not too high.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a gear ring closed forging die structure, includes the bottom plate, the top fixedly connected with supporting shoe of bottom plate, the top fixedly connected with of bottom plate is located the carriage in the supporting shoe outside, the equal fixedly connected with bracing piece in four corners at carriage top, the top fixedly connected with lower mould of supporting shoe, the top of carriage is provided with the fixed frame with bracing piece sliding connection, the inboard fixedly connected with clamp plate of fixed frame, the mould is gone up to the bottom fixedly connected with of clamp plate, the pouring hole has been seted up in the left side at clamp plate top, the inside of clamp plate is provided with mould water-cooling mechanism, the inside of supporting shoe is provided with lower mould water-cooling mechanism, the top of fixed frame is provided with the fixed plate, the top fixedly connected with drive mechanism of fixed plate, the bottom of fixed plate.
Preferably, the upper die water cooling mechanism comprises a first water cooling tank, a first water filling opening is formed in the left side of the rear side of the pressing plate, and a first water draining opening is formed in the right side of the rear side of the pressing plate.
Preferably, the lower die water cooling mechanism comprises a second water cooling tank, a second water filling port is formed in the left side of the supporting frame, a second water discharging port is formed in the right side of the supporting frame, the right side of the second water filling port penetrates through the supporting frame and extends to the inside of the supporting block to be communicated with the second cold water tank, and the left side of the second water discharging port penetrates through the supporting frame and extends to the inside of the supporting block to be communicated with the second cold water tank.
Preferably, the transmission mechanism comprises a cylinder, a fixing frame is fixedly connected to the outer side of the cylinder, a piston end of the cylinder penetrates through the fixing plate and extends to a connecting block fixedly connected to the bottom of the fixing plate, and the bottom of the connecting block is fixedly connected with the top of the pressing plate.
Preferably, the bottom fixedly connected with joint ring of going up the mould, the joint groove with joint ring clearance fit is seted up at the top of lower mould.
Preferably, the four corners at the top of the bottom plate are provided with mounting holes, and the bottom of the fixing frame is fixedly connected with a rubber pad.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the closed forging die structure for the gear ring, the upper die is water-cooled through the upper die water-cooling mechanism, the lower die is water-cooled through the lower die water-cooling mechanism, the surface hardness of the forged gear is improved, meanwhile, the transmission mechanism drives the pressing plate to move upwards, the pressing plate drives the upper die to be separated from the lower die, a user can take out the forged gear conveniently, the problem that the existing die is low in practicability is solved, the die is assembled through threaded connection during forging, the upper die and the lower die are not convenient to disassemble after being pressed, the forging efficiency is low, meanwhile, most of forged gears are air-cooled, the surface hardness of the gears is not closed, the closed forging die structure for the gear ring has the advantages of convenience in die assembly and disassembly, and the.
2. According to the invention, the upper die water cooling mechanism comprises the first water cooling tank, the left side of the rear side of the pressing plate is provided with the first water feeding port, and the right side of the rear side of the pressing plate is provided with the first water discharging port.
3. According to the design, due to the fact that the lower die water cooling mechanism comprises the second water cooling groove, the left side of the supporting frame is provided with the second water feeding port, the right side of the supporting frame is provided with the second water discharging port, the right side of the second water feeding port penetrates through the supporting frame and extends to the inside of the supporting block to be communicated with the second cold water groove, the left side of the second water discharging port penetrates through the supporting frame and extends to the inside of the supporting block to be communicated with the second cold water groove, and due to the fact that the second water cooling groove, the second water feeding port and the second water discharging port are arranged, a user can conveniently convey cold water into the inside of the second cold water groove through the second water feeding port, the second cold water groove is filled with cold water to cool the supporting block and the lower die, the lower die performs water cooling on the surface of the gear, the surface hardness.
4. According to the invention, the transmission mechanism comprises the cylinder, the outer side of the cylinder is fixedly connected with the fixing frame, the piston end of the cylinder penetrates through the fixing plate and extends to the bottom of the fixing plate to be fixedly connected with the connecting block, and the bottom of the connecting block is fixedly connected with the top of the pressing plate.
5. According to the invention, the clamping ring is fixedly connected to the bottom of the upper die, the clamping groove in clearance fit with the clamping ring is formed in the top of the lower die, and the clamping ring and the clamping groove are arranged, so that a user can conveniently and effectively seal the upper die and the lower die after the upper die and the lower die are combined through clamping fit of the clamping ring and the clamping groove.
6. According to the invention, the four corners of the top of the bottom plate are respectively provided with the mounting holes, the bottom of the fixing frame is fixedly connected with the rubber pads, through the arrangement of the mounting holes and the rubber pads, a user can conveniently mount the bottom plate on the workbench through the mounting holes and the mounting bolts, and meanwhile, the rubber pads can reduce the impact force between the fixing frame and the supporting frame, so that the service life of the fixing frame is prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top sectional view of the platen of the present invention;
fig. 3 is an enlarged view of the invention at a in fig. 1.
In the figure: the device comprises a base plate 1, a support block 2, a support frame 3, a support rod 4, a lower die 5, a fixing frame 6, a pressing plate 7, an upper die 8, a pouring hole 9, an upper die water cooling mechanism 10, a first water cooling tank 101, a first water filling port 102, a first water discharging port 103, a lower die water cooling mechanism 11, a second water cooling tank 111, a second water filling port 112, a second water discharging port 113, a fixing plate 12, a transmission mechanism 13, an air cylinder 131, a fixing frame 132, a connecting block 133, a clamping ring 14, a clamping groove 15, a mounting hole 16 and a rubber pad 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a closed forging die structure for a gear ring comprises a bottom plate 1, a supporting block 2 is fixedly connected to the top of the bottom plate 1, a supporting frame 3 located on the outer side of the supporting block 2 is fixedly connected to the top of the bottom plate 1, supporting rods 4 are fixedly connected to four corners of the top of the supporting frame 3, a lower die 5 is fixedly connected to the top of the supporting block 2, a fixing frame 6 slidably connected to the supporting rods 4 is arranged on the top of the supporting frame 3, mounting holes 16 are formed in the four corners of the top of the bottom plate 1, a rubber pad 17 is fixedly connected to the bottom of the fixing frame 6, the design facilitates a user to mount the bottom plate 1 on a workbench through mounting bolts of the mounting holes 16 by virtue of the arrangement of the mounting holes 16 and the rubber pad 17, meanwhile, the rubber pad 17 can reduce the impact force between the fixing frame 6 and the, the bottom of the pressing plate 7 is fixedly connected with an upper die 8, the bottom of the upper die 8 is fixedly connected with a clamping ring 14, the top of the lower die 5 is provided with a clamping groove 15 in clearance fit with the clamping ring 14, the design is characterized in that the clamping ring 14 and the clamping groove 15 are arranged, a user can conveniently make the upper die 8 and the lower die 5 have good sealing effect after film combination through the clamping ring 14 and the clamping groove 15, the left side of the top of the pressing plate 7 is provided with a pouring hole 9, the pressing plate 7 is internally provided with an upper die water cooling mechanism 10, the upper die water cooling mechanism 10 comprises a first water cooling groove 101, the left side of the rear side of the pressing plate 7 is provided with a first water filling port 102, the right side of the rear side of the pressing plate 7 is provided with a first water discharging port 103, the design is convenient for the user to convey cold water into the first cold water cooling groove 101 through the first water filling port 102, so that the first cold water cooling groove 101 can cool the pressing plate 7 and the upper die, the hardness of the forged surface of the gear is improved, meanwhile, cooling water is discharged through the first water outlet 103 for cold water circulation, the lower mold water cooling mechanism 11 is arranged inside the supporting block 2, the lower mold water cooling mechanism 11 comprises a second water cooling tank 111, the left side of the supporting frame 3 is provided with a second water feeding port 112, the right side of the supporting frame 3 is provided with a second water outlet 113, the right side of the second water feeding port 112 penetrates through the supporting frame 3 and extends to the inside of the supporting block 2 to be communicated with the second cold water tank 111, the left side of the second water outlet 113 penetrates through the supporting frame 3 and extends to the inside of the supporting block 2 to be communicated with the second cold water tank 111, the design is convenient for a user to convey cold water into the inside of the second cold water tank 101 through the second water feeding port 112, so that the second cold water tank 111 is filled with the cold water for water cooling the supporting block 2 and the lower mold 5, the lower die 5 is used for water cooling the surface of the gear, the surface hardness of the forged gear is improved, meanwhile, cooling water is discharged through the second water outlet 113 for cold water circulation, the top of the fixing frame 6 is provided with the fixing plate 12, the top of the fixing plate 12 is fixedly connected with the transmission mechanism 13, the transmission mechanism 13 comprises the cylinder 131, the outer side of the cylinder 131 is fixedly connected with the fixing frame 132, the piston end of the cylinder 131 penetrates through the fixing plate 12 and extends to the bottom of the fixing plate 12 and is fixedly connected with the connecting block 133, the bottom of the connecting block 133 is fixedly connected with the top of the pressing plate 7, the design is realized through the arrangement of the cylinder 131, the fixing frame 132 and the connecting block 133, a user can conveniently start the cylinder 131 to drive the connecting block 133 to move up and down through the piston rod, the connecting block 133 drives the pressing plate 7 to move up and down, the, simultaneously forging and accomplishing back cylinder 131 and drive connecting block 133 rebound through the piston rod, connecting block 133 drives clamp plate 7 rebound, and mould 8 and lower mould 5 separation are gone up in the clamp plate 7 drive, and the convenient to use person takes out the gear after forging, the bottom of fixed plate 12 and the top fixed connection of bracing piece 4.
When the device is used, a user starts the air cylinder 131 to drive the connecting block 133 to move up and down through the piston rod, the connecting block 133 drives the pressing plate 7 to move up and down, the pressing plate 7 moves downwards to drive the upper die 8 to be clamped with the lower die 5 downwards, then pouring is carried out through the pouring hole 9 to complete die filling, meanwhile, after forging is completed, the air cylinder 131 drives the connecting block 133 to move upwards through the piston rod, the connecting block 133 drives the pressing plate 7 to move upwards, the pressing plate 7 drives the upper die 8 to be separated from the lower die 5, the user can conveniently take out a forged gear, the gear is conveyed into the interior of the second cold water tank 101 through the second water filling port 112 after forging, cold water is filled in the second cold water tank 111 to carry out water cooling on the supporting block 2 and the lower die 5, the lower die 5 carries out water cooling on the surface of the gear, the surface, the first cold water tank 101 is filled with cold water to cool the press plate 7 and the upper die 8, thereby increasing the hardness of the forged surface of the gear.
In summary, the following steps: this mould structure is forged to ring gear closed, carry out the water-cooling to last mould 8 through last mould water-cooling mechanism 10, rethread lower mould water-cooling mechanism 11 carries out the water-cooling to lower mould 5, the surface hardness after improving the gear forging, drive mechanism 13 drives clamp plate 7 rebound simultaneously, 8 and the separation of lower mould 5 are gone up in the clamp plate 7 drive, the gear after the person of facilitating the use takes out the forging, it is low to have solved current mould practicality, all adopt the threaded connection assembly during the mold forging, it is inconvenient to demolish after going up the lower mould pressfitting, make forging inefficiency, the gear adoption forced air cooling after forging mostly simultaneously, make the problem that gear surface hardness does not pass.
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 (7)
1. The utility model provides a gear ring closed forging die structure, includes bottom plate (1), its characterized in that: the top of the bottom plate (1) is fixedly connected with a supporting block (2), the top of the bottom plate (1) is fixedly connected with a supporting frame (3) positioned on the outer side of the supporting block (2), four corners of the top of the supporting frame (3) are fixedly connected with supporting rods (4), the top of the supporting block (2) is fixedly connected with a lower die (5), the top of the supporting frame (3) is provided with a fixed frame (6) in sliding connection with the supporting rods (4), the inner side of the fixed frame (6) is fixedly connected with a pressing plate (7), the bottom of the pressing plate (7) is fixedly connected with an upper die (8), the left side of the top of the pressing plate (7) is provided with a pouring hole (9), the inside of the pressing plate (7) is provided with an upper die water-cooling mechanism (10), the inside of the supporting block (2) is provided with a lower, the top of the fixed plate (12) is fixedly connected with a transmission mechanism (13), and the bottom of the fixed plate (12) is fixedly connected with the top of the supporting rod (4).
2. The closed forging die structure of the gear ring according to claim 1, wherein: the upper die water cooling mechanism (10) comprises a first water cooling groove (101), a first water filling opening (102) is formed in the left side of the rear side of the pressing plate (7), and a first water discharging opening (103) is formed in the right side of the rear side of the pressing plate (7).
3. The closed forging die structure of the gear ring according to claim 1, wherein: the lower die water cooling mechanism (11) comprises a second water cooling tank (111), a second water adding port (112) is formed in the left side of the supporting frame (3), a second water outlet (113) is formed in the right side of the supporting frame (3), the right side of the second water adding port (112) penetrates through the supporting frame (3) and extends to the inside of the supporting block (2) to be communicated with the second water cooling tank (111), and the left side of the second water outlet (113) penetrates through the supporting frame (3) and extends to the inside of the supporting block (2) to be communicated with the second water cooling tank (111).
4. The closed forging die structure of the gear ring according to claim 1, wherein: drive mechanism (13) include cylinder (131), outside fixedly connected with mount (132) of cylinder (131), the piston end of cylinder (131) runs through fixed plate (12) and extends to the bottom fixedly connected with connecting block (133) of fixed plate (12), the bottom of connecting block (133) and the top fixed connection of clamp plate (7).
5. The closed forging die structure of the gear ring according to claim 1, wherein: the bottom fixedly connected with joint ring (14) of going up mould (8), joint groove (15) with joint ring (14) clearance fit is seted up at the top of lower mould (5).
6. The closed forging die structure of the gear ring according to claim 1, wherein: mounting holes (16) are formed in four corners of the top of the bottom plate (1), and a rubber pad (17) is fixedly connected to the bottom of the fixing frame (6).
7. A closed forging process for a gear ring is characterized by comprising the following steps: the connecting block (133) is driven by a piston rod to move up and down, the connecting block (133) drives the pressing plate (7) to move up and down, the pressing plate (7) moves down to drive the upper die (8) to be clamped with the lower die (5) downwards, then the pouring hole (9) is used for pouring to complete die filling, meanwhile, after forging is completed, the cylinder (131) drives the connecting block to move up through the piston rod, the connecting block drives the pressing plate (7) to move up, the pressing plate drives the upper die to be separated from the lower die, a user can conveniently take out the forged gear, the gear conveys cold water into the interior of the second cold water tank (101) through the second water filling port (112) after forging, so that the second cold water tank (111) is filled with cold water to cool the supporting block (2) and the lower die, the lower die carries out water cooling on the surface of the gear, the surface hardness of the forged gear is improved, and then the, and filling cold water into the first cold water tank to cool the pressing plate and the upper die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911209644.0A CN110743999A (en) | 2019-12-01 | 2019-12-01 | Closed forging process and die structure for gear ring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911209644.0A CN110743999A (en) | 2019-12-01 | 2019-12-01 | Closed forging process and die structure for gear ring |
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| CN110743999A true CN110743999A (en) | 2020-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911209644.0A Pending CN110743999A (en) | 2019-12-01 | 2019-12-01 | Closed forging process and die structure for gear ring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112108602A (en) * | 2020-09-22 | 2020-12-22 | 王建国 | Gear forging die and forging process thereof |
-
2019
- 2019-12-01 CN CN201911209644.0A patent/CN110743999A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112108602A (en) * | 2020-09-22 | 2020-12-22 | 王建国 | Gear forging die and forging process thereof |
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Address after: 213311 No.5 Junrong Road, industrial concentration zone, Daitou Town, Liyang City, Changzhou City, Jiangsu Province Applicant after: JIANGSU NANYANG ZHONGJING TECHNOLOGY Co.,Ltd. Applicant after: SHANGHAI JD CHUKYO FORGING & STAMPING Co.,Ltd. Address before: 213311 no.9-8, Dutou street, Daitou Town, Liyang City, Changzhou City, Jiangsu Province Applicant before: JIANGSU NANYANG ZHONGJING TECHNOLOGY Co.,Ltd. Applicant before: SHANGHAI JD CHUKYO FORGING & STAMPING Co.,Ltd. |
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