CN110369672B - Integral die feeding device for rotary forging machine and manufacturing method of automobile half-shaft blank - Google Patents
Integral die feeding device for rotary forging machine and manufacturing method of automobile half-shaft blank Download PDFInfo
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- CN110369672B CN110369672B CN201910806878.7A CN201910806878A CN110369672B CN 110369672 B CN110369672 B CN 110369672B CN 201910806878 A CN201910806878 A CN 201910806878A CN 110369672 B CN110369672 B CN 110369672B
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- 238000005242 forging Methods 0.000 title claims abstract description 53
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 32
- 239000010959 steel Substances 0.000 claims description 32
- 238000010438 heat treatment Methods 0.000 claims description 24
- 230000006698 induction Effects 0.000 claims description 9
- 230000002040 relaxant effect Effects 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000008719 thickening Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 210000003437 trachea Anatomy 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
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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
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
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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
- B21J13/03—Die mountings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/002—Hybrid process, e.g. forging following casting
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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
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/08—Upsetting
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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
- B21K1/32—Making machine elements wheels; discs discs, e.g. disc wheels
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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
- B21K27/00—Handling devices, e.g. for feeding, aligning, discharging, Cutting-off means; Arrangement thereof
- B21K27/02—Feeding devices for rods, wire, or strips
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses an integral die feeding device for a rotary forging machine and a manufacturing method of an automobile half-shaft blank, comprising a control cabinet, the rotary forging machine, an air cylinder, a feeding oil cylinder, a demolding oil cylinder and a fixing plate, wherein the fixing plate is arranged on the side wall of the rotary forging machine, and the integral die feeding device is characterized in that: the fixed plate is provided with a rotary plate through support rotation, the rotary plate is fixedly provided with a rotary handle, a cylinder is hinged between the free end of the rotary handle and the lower end of the fixed plate, sliding sleeves at two ends of the rotary plate are internally provided with sliding rods, the front ends of the sliding rods are provided with integral die mounting seats, integral dies are arranged on the integral die mounting seats, the rear ends of the sliding rods are fixedly provided with lower transverse plates, a middle transverse plate and an upper transverse plate are arranged between the rotary plate and the lower transverse plate, a feeding oil cylinder is arranged between the rotary plate and the lower transverse plate, a square head adjusting screw is arranged in the middle of the lower transverse plate, and a demoulding oil cylinder is arranged between the middle transverse plate and the upper transverse plate. The flange plate of the automobile half shaft blank is produced, a parting surface is not generated, burrs are not formed on the surface of the flange plate, and the processing efficiency is improved.
Description
Technical Field
The invention relates to an improvement of a rotary forging production process of an automobile half-shaft blank, in particular to an integral die feeding device for a rotary forging machine and a manufacturing method of the automobile half-shaft blank.
Background
In the current production process of the automobile half-shaft blank, a split die is adopted for rotary forging forming, and the production method comprises the following steps: cutting round steel bars matched with the product model; (2) Feeding one end of the round steel bar into an intermediate frequency induction heating furnace for heating; (3) Taking out the round steel bar after heating, and sending the round steel bar into a die cavity of a pre-upsetting machine for pre-upsetting to thicken one end of the flange plate; (4) then feeding the mixture into an intermediate frequency induction heating furnace for heating; (5) The temperature reaches 1100-1500 ℃, the flange plate is taken out, the heating end is aligned and sent into a die cavity of a rotary forging machine, the rotary forging is carried out, the flange plate of the automobile half shaft blank is molded, the flange plate molding die for the rotary forging machine is a split die, the split die consists of an upper die and a lower die, the split die is buckled together and is matched with the shape of the flange plate of the automobile half shaft blank, the upper die is fixedly arranged on an upper die seat of the rotary forging machine, and the lower die is fixedly arranged on a lower die seat of the rotary forging machine.
Such as: chinese patent "front and rear axle half shaft pre-upsetting and swing grinding continuous production equipment of automobile front and rear axle half shaft" filed by shandong Huifeng transmission stock limited company at 2016.08.10, patent number is CN201610647482.9, which discloses "including pre-upsetting machine, swing mill and intermediate frequency induction heating furnace, its characterized in that: the medium frequency induction heating furnace comprises a furnace body, wherein three parallel medium frequency induction heating rings are arranged in the furnace body, and the middle part of each medium frequency induction heating ring is provided with a heating chamber; the front side of the furnace body is aligned to a feeding carrier roller corresponding to the furnace mouth of the heating chamber through the installation and transmission direction of the feeding bracket; the front side of the pre-upsetting machine is provided with a taking-out, overturning and vertical feeding manipulator; the front side of the pendulum mill is provided with a taking-out rotary axial feeding manipulator. ".
The traditional split die rotary forging production method for the automobile half-shaft blank has the following defects: the split die is adopted, so that split parting surfaces of the split die can be formed, deformation loss of the parting surfaces is uncontrollable when the flange plate of the automobile half-shaft blank is formed, burrs on the finished blank are larger, the service life of the split die is shorter, subsequent turning is difficult, and consumption of subsequent machine tools and cutters is larger.
Disclosure of Invention
The invention aims to provide the integral die feeding device for the rotary forging machine, which adopts the integral die for rotary forging to produce the flange plate of the automobile half-shaft blank, does not generate parting surfaces, has no burrs on the surface of the flange plate, reduces the subsequent processing difficulty, saves time and labor and improves the processing efficiency.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the integral die feeding device for the rotary forging machine comprises a control cabinet, the rotary forging machine, an air cylinder, a feeding oil cylinder, a demolding oil cylinder and a fixing plate, wherein an upper die holder and a lower die holder are arranged on the rotary forging machine, the fixing plate is fixedly arranged on the side wall of a die cavity opening of the rotary forging machine, the air cylinder is connected with the control cabinet through an air pipe, and the demolding oil cylinder and the feeding oil cylinder are respectively connected with the control cabinet through oil pipes, and the integral die feeding device is characterized in that: the upper end of the fixed plate is fixedly provided with two mutually symmetrical brackets, a rotating plate is arranged between the two brackets through a pin shaft, two ends of the rotating plate are respectively fixedly provided with a rotating handle, the two rotating handles are mutually symmetrical, a free end of the rotating handle is hinged with the lower end of the fixed plate, the two cylinders are mutually symmetrical, the middle part of the rotating plate is provided with a through hole, the two ends of the rotating plate are respectively fixedly provided with a fixed sliding sleeve, the two fixed sliding sleeves are mutually symmetrical, a sliding rod is arranged in the fixed sliding sleeve in a sliding manner, the front ends of the two sliding rods are fixedly provided with an integral die mounting seat, the integral die mounting seat is fixedly provided with an integral die, the middle part of the integral die mounting seat is provided with a workpiece inserting hole, and the middle part of the integral die is provided with a die cavity matched with a flange plate of an automobile half shaft blank, the rear ends of the two sliding rods are fixedly provided with a lower transverse plate, a middle transverse plate and an upper transverse plate are arranged between the rotating plate and the lower transverse plate, two ends of the middle transverse plate and two ends of the upper transverse plate are respectively sleeved on the sliding rods on two sides in a sliding mode, a feeding oil cylinder is fixedly arranged between the rotating plate and the lower transverse plate, a square head adjusting screw is arranged in the middle of the lower transverse plate in a threaded mode, the upper end of the square head adjusting screw is rotationally connected with the bottom plate surface of the middle transverse plate, a demolding oil cylinder is fixedly arranged on the upper plate surface of the middle transverse plate, a piston rod of the demolding oil cylinder is fixedly connected with the upper transverse plate, a workpiece limiting seat is fixedly arranged in the middle of the upper transverse plate, and the center line of a workpiece inserting hole of the integral die mounting seat, the center line of a die cavity of the integral die, the center line of a through hole of the rotating plate and the center line of the workpiece limiting seat coincide.
The upper end of the fixed plate is fixedly provided with a track plate, the track plate extends into a die cavity opening of the rotary forging machine and is matched with the positions of the upper die holder and the lower die holder, and the side wall of the integral die mounting seat is provided with a guide wheel; the track board, by the hypoplastron, upper plate, connecting plate, a sensor, no. two sensors and No. three sensors constitute, the front end and the fixed plate fixed connection of hypoplastron, the upper portion of hypoplastron is equipped with the upper plate through the connecting plate is fixed, be the guide way of leading wheel walking between upper plate and the hypoplastron, the front end of guide way is fixed to be equipped with a sensor, the rear end of guide way is fixed to be equipped with No. two sensors, the rear end of hypoplastron is fixed to be equipped with No. three sensors, no. one sensor, no. two sensors and No. three sensors are connected with the switch board through the wire respectively.
The seat end of the feeding oil cylinder is fixedly arranged on the rotating plate, and a piston rod of the feeding oil cylinder is fixedly connected with the lower transverse plate.
The invention further aims to provide a manufacturing method of the automobile half-shaft blank, which uses the integral die feeding device for the rotary forging machine to produce the flange of the automobile half-shaft blank, saves time and labor, ensures that the surface of the flange is free from burrs, reduces the subsequent processing difficulty, and improves the processing efficiency and the processing precision.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the manufacturing method of the automobile half-shaft blank by adopting the integral die feeding device for the rotary forging machine is characterized by comprising the following steps of: the method comprises the following steps:
firstly, cutting round steel bars matched with the model of an automobile half shaft product;
Secondly, feeding one end of the round steel bar into an intermediate frequency induction heating furnace for heating, wherein the temperature reaches 1100-1500 ℃, and taking out;
Thirdly, feeding the heating end of the round steel bar into a die cavity of a pre-upsetting machine for pre-upsetting, thickening the heating end of the round steel bar, and taking the round steel bar out of the die cavity of the pre-upsetting machine;
Fourth, the state of the integral die feeding device for the rotary forging machine is adjusted, and the working states of the air cylinder and the feeding oil cylinder are controlled through the control cabinet, so that the integral die is in a vertical state; inserting the thin end of the round steel bar from the upper part of the integral die and reaching the workpiece limiting seat, wherein the thick end of the round steel bar is positioned in the die cavity of the integral die; the control cabinet controls the two cylinders to relax, the rotating plate drives the integral die mounting seat to rotate, when the integral die mounting seat rotates to the first sensor of the track plate, the guide wheel rotates to the front end of the guide groove, the control cabinet controls the cylinders to stop relaxing according to signals of the first sensor, the feeding cylinder is controlled to start contracting, the guide wheel slides to the rear end along the guide groove, the integral die mounting seat is positioned at the second sensor, the control cabinet controls the feeding cylinder to stop contracting according to signals of the second sensor, and the cylinders are controlled to start relaxing again until the integral die mounting seat rotates to the position of the third sensor, and the integral die reaches the clamping position of the lower die holder; the control cabinet controls the air cylinder and the feeding oil cylinder to release pressure bidirectionally according to the signal of the third sensor; starting the rotary forging machine to enable the upper die holder to descend and clamping the integral die together with the lower die holder; the rotary forging machine is used for rotary forging the thick end of the round steel bar in the integral die cavity to manufacture a flange plate;
Fifthly, after the flange plate of the automobile half shaft blank is molded, operating a rotary forging machine to enable the upper die holder to be lifted; the cylinder and the feeding cylinder are reversely operated by the control cabinet, so that the integral die is returned to the vertical state;
Sixthly, the demolding cylinder is controlled by the control cabinet to start to relax, and the workpiece limiting seat pushes the workpiece to deviate from the integral die, so that demolding is completed;
and (seventh), taking out the machined automobile half shaft blank, and then putting the round steel bar subjected to the operation in the step (3) into the blank for repeated operation.
The invention has the beneficial effects that: the flange plate of the automobile half shaft blank is produced by adopting the integral die for rotary forging, a parting surface cannot be produced, burrs are not formed on the surface of the flange plate, the difficulty of subsequent processing is reduced, time and labor are saved, and the processing efficiency and the processing precision are improved.
Drawings
FIG. 1 is a schematic view of the present invention in partial cross-section in a use state.
Fig. 2 is a schematic front view of the structure of the present invention.
Fig. 3 is a schematic left-hand view of the structure of the present invention.
Fig. 4 is a schematic cross-sectional view of the structure of the present invention along the direction a-a in fig. 2.
Fig. 5 is a schematic cross-sectional view of the structure of the present invention along the direction B-B in fig. 3.
Fig. 6 is a schematic front view of the track pad of the present invention.
Fig. 7 is a schematic top view of the track pad of the present invention.
In the figure: 1. a control cabinet; 2. a fixing plate; 3. a track pad; 31. a lower plate; 32. an upper plate; 33. a guide groove; 34. a sensor number one; 35. a connecting plate; 36. a second sensor; 37. a sensor No. three; 4. an integral die mounting base; 41. a guide wheel; 42. an integral mold; 5. a cylinder; 6. demoulding oil cylinder; 7. a feeding oil cylinder; 8. a square head adjusting screw; 9. a rotary forging machine; 91. an upper die holder; 92. a lower die holder; 10.a slide bar; 11. a rotating plate; 12. fixing the sliding sleeve; 13. a bracket; 14. a rotating handle; 15. a lower cross plate; 16. a middle cross plate; 17. an upper cross plate; 18. and a workpiece limiting seat.
Detailed Description
The present invention is manufactured with reference to fig. 1, 2, 3, 4, 5, 6, and 7.
This integrated mould material feeding unit for rotary forging machine, including switch board 1, rotary forging machine 9, cylinder 5, feeding cylinder 7, drawing of patterns hydro-cylinder 6 and fixed plate 2, be equipped with upper die base 91 and die holder 92 on the rotary forging machine 9, fixed plate 2 that is equipped with on the lateral wall of the die cavity mouth of rotary forging machine 9, cylinder 5 is connected with switch board 1 through the trachea, drawing of patterns hydro-cylinder 6 and feeding cylinder 7 are connected with switch board 1 through oil pipe respectively, control the operating condition of cylinder 5, feeding cylinder 7 and drawing of patterns hydro-cylinder 6 respectively through switch board 1, its characterized in that: two symmetrical brackets 13 are fixedly arranged at the upper end of the fixed plate 2, a rotary plate 11 is arranged between the two brackets 13 through a pin shaft, rotary handles 14 are respectively and fixedly arranged at two ends of the rotary plate 11, the rotary plate 11 is driven to rotate around the pin shaft on the brackets 13 through the rotation of the two rotary handles 14, an air cylinder 5 is hinged between the free end of the rotary handle 14 and the lower end of the fixed plate 2, the two air cylinders 5 are mutually symmetrical, the two rotary handles 14 are respectively driven by the two air cylinders 5, a through hole is arranged in the middle of the rotary plate 11, a fixed sliding sleeve 12 is respectively and fixedly arranged at two ends of the rotary plate 11, the two fixed sliding sleeves 12 are mutually symmetrical, a sliding rod 10 is slidably arranged in the fixed sliding sleeve 12, an integral die mounting seat 4 is fixedly arranged at the front ends of the two sliding rods 10, an integral die 42 is fixedly arranged on the integral die mounting seat 4, the middle part of the integral die mounting seat 4 is provided with a workpiece inserting hole, the middle part of the integral die 42 is provided with a die cavity matched with a flange plate of an automobile half-shaft blank, the rear ends of two sliding rods 10 are fixedly provided with a lower transverse plate 15, a middle transverse plate 16 and an upper transverse plate 17 are arranged between a rotating plate 11 and the lower transverse plate 15, the two ends of the middle transverse plate 16 and the upper transverse plate 17 are respectively sleeved on the sliding rods 10 on two sides in a sliding manner, a feeding oil cylinder 7 is fixedly arranged between the rotating plate 11 and the lower transverse plate 15, the lower transverse plate 15 and the sliding rods 10 are driven to move by the feeding oil cylinder 7, the middle part of the lower transverse plate 15 is in threaded connection with a square head adjusting screw rod 8, the upper end of the square head adjusting screw rod 8 is rotationally connected with the bottom plate surface of the middle transverse plate 16, thereby the distance between the lower transverse plate 15 and the middle transverse plate 16 is adjusted so as to be matched with automobile half-shafts of different types, the upper plate surface of the middle transverse plate 16 is fixedly provided with a demoulding oil cylinder 6, the piston rod of the demoulding cylinder 6 is fixedly connected with the upper transverse plate 17, the middle part of the upper transverse plate 17 is fixedly provided with a workpiece limiting seat 18, and the center line of a workpiece inserting hole of the integral mould mounting seat 4, the center line of a mould cavity of the integral mould 42, the center line of a through hole of the rotary plate 11 and the center line of the workpiece limiting seat 18 are overlapped.
The upper end of the fixed plate 2 is fixedly provided with a track plate 3, the track plate 3 extends into a die cavity of the rotary forging machine 9 and is matched with the positions of an upper die seat 91 and a lower die seat 92, and the side wall of the integral die mounting seat 4 is provided with a guide wheel 41; the track board 3 comprises lower plate 31, upper plate 32, connecting plate 35, sensor 34, sensor 36 and sensor 37 No. three, the front end of lower plate 31 and fixed plate 2 fixed connection, the upper portion of lower plate 31 pass through connecting plate 35 and be fixed to be equipped with upper plate 32, be the guide way 33 that guide pulley 41 walked between upper plate 32 and the lower plate 31, the front end of guide way 33 is fixed to be equipped with sensor 34 No. one, the rear end of guide way 33 is fixed to be equipped with sensor 36 No. two, the rear end of lower plate 31 is fixed to be equipped with sensor 37 No. three, sensor 34 No. two sensors 36 and sensor 37 are connected with switch board 1 through the wire respectively.
The seat end of the feeding oil cylinder 7 is fixedly arranged on the rotating plate 11, and a piston rod of the feeding oil cylinder 7 is fixedly connected with the lower transverse plate 15.
The manufacturing method of the automobile half-shaft blank by adopting the integral die feeding device for the rotary forging machine is characterized by comprising the following steps of: the method comprises the following steps:
firstly, cutting round steel bars matched with the model of an automobile half shaft product;
Secondly, feeding one end of the round steel bar into an intermediate frequency induction heating furnace for heating, wherein the temperature reaches 1100-1500 ℃, and taking out;
Thirdly, feeding the heating end of the round steel bar into a die cavity of a pre-upsetting machine for pre-upsetting, thickening the heating end of the round steel bar, and taking the round steel bar out of the die cavity of the pre-upsetting machine;
Fourth, the state of the integral die feeding device for the rotary forging machine is adjusted, and the working states of the air cylinder 5 and the feeding oil cylinder 7 are controlled through the control cabinet 1, so that the integral die 42 is in a vertical state; inserting the thin end of the round steel bar from the upper part of the integral die 42 and reaching the workpiece limiting seat 18, wherein the thick end of the round steel bar is positioned in the die cavity of the integral die 42; the control cabinet 1 controls the two cylinders 5 to relax, the rotating plate 11 drives the integral die mounting seat 4 to rotate, when the integral die mounting seat 4 rotates to the position of the first sensor 34 of the track plate 3, the guide wheel 41 rotates to the front end of the guide groove 33, the control cabinet 1 controls the cylinders 5 to stop relaxing according to the signal of the first sensor 34, controls the feeding cylinder 7 to start contracting, and the guide wheel 41 slides to the rear end along the guide groove 33, so that the integral die mounting seat 4 is positioned at the position of the second sensor 36, and the control cabinet 1 controls the feeding cylinder 7 to stop contracting according to the signal of the second sensor 36, and again enables the cylinders 5 to start relaxing until the integral die mounting seat 4 rotates to the position of the third sensor 37, and enables the integral die 42 to reach the clamping position of the lower die holder 92; the control cabinet 1 controls the air cylinder 5 and the feeding oil cylinder 7 to release pressure bidirectionally according to the signal of the third sensor 37; starting the rotary forging machine 9, enabling the upper die holder 91 to descend, and clamping the integral die 42 together with the lower die holder 92; the rotary forging machine 9 carries out rotary forging on the thick end of the round steel bar in the cavity of the integral die 42 to manufacture a flange;
Fifthly, after the flange plate of the automobile half shaft blank is molded, operating the rotary forging machine 9 to enable the upper die seat 91 to be lifted; the cylinder 5 and the feeding cylinder 7 are reversely operated by the control cabinet 1, so that the integral die 42 is returned to the vertical state;
sixthly, the demolding cylinder 6 is controlled by the control cabinet 1 to start to relax, and the workpiece limiting seat 18 pushes the workpiece to be separated from the integral die 42, so that demolding is completed;
and (seventh), taking out the machined automobile half shaft blank, and then putting the round steel bar subjected to the operation in the step (3) into the blank for repeated operation.
Claims (3)
1. The utility model provides a swing forging machine is with whole mould material feeding unit, including switch board (1), swing forging machine (9), cylinder (5), feeding cylinder (7), drawing of patterns hydro-cylinder (6) and fixed plate (2), be equipped with upper die base (91) and die holder (92) on swing forging machine (9), fixed plate (2) that are equipped with on the lateral wall of the die cavity mouth of swing forging machine (9), cylinder (5) are connected with switch board (1) through the trachea, drawing of patterns hydro-cylinder (6) and feeding cylinder (7) are connected with switch board (1) through oil pipe respectively, its characterized in that: two brackets (13) which are symmetrical to each other are fixedly arranged at the upper end of the fixed plate (2), a rotary plate (11) is arranged between the two brackets (13) through a pin shaft, rotary handles (14) are fixedly arranged at the two ends of the rotary plate (11) respectively, air cylinders (5) are hinged between the free ends of the rotary handles (14) and the lower ends of the fixed plates (2), the two air cylinders (5) are symmetrical to each other, through holes are arranged in the middle of the rotary plate (11), fixed sliding sleeves (12) are fixedly arranged at the two ends of the rotary plate (11) respectively, the two fixed sliding sleeves (12) are symmetrical to each other, sliding rods (10) are arranged in the fixed sliding sleeves (12), integral die mounting seats (4) are fixedly arranged at the front ends of the two sliding rods (10), integral die mounting seats (42) are fixedly arranged on the integral die mounting seats (4), workpiece inserting holes are formed in the middle of the integral die mounting seats (42) and are formed in die cavities matched with flange plates of automobile blanks, lower transverse plates (15) are fixedly arranged at the rear ends of the two air cylinders (5), lower transverse plates (11) are fixedly arranged in the transverse plates (16) and upper transverse plates (17) and lower transverse plates (16) are respectively arranged in the transverse plates (17), a feeding oil cylinder (7) is fixedly arranged between the rotating plate (11) and the lower transverse plate (15), a square head adjusting screw rod (8) is arranged in threaded connection with the middle part of the lower transverse plate (15), the upper end of the square head adjusting screw rod (8) is rotationally connected with the bottom plate surface of the middle transverse plate (16), a demoulding oil cylinder (6) is fixedly arranged on the upper plate surface of the middle transverse plate (16), a piston rod of the demoulding oil cylinder (6) is fixedly connected with the upper transverse plate (17), a workpiece limiting seat (18) is fixedly arranged in the middle part of the upper transverse plate (17), and the center line of a workpiece inserting hole of the integral die mounting seat (4), the center line of a die cavity of the integral die (42), the center line of a through hole of the rotating plate (11) and the center line of the workpiece limiting seat (18) coincide;
The upper end of the fixed plate (2) is fixedly provided with a track plate (3), the track plate (3) stretches into a die cavity opening of the rotary forging machine (9) and is matched with the positions of an upper die holder (91) and a lower die holder (92), and the side wall of the integral die mounting seat (4) is provided with a guide wheel (41); track board (3), by hypoplastron (31), upper plate (32), connecting plate (35), no. one sensor (34), no. two sensor (36) and No. three sensor (37) constitute, the front end and fixed plate (2) fixed connection of hypoplastron (31), the upper portion of hypoplastron (31) is equipped with upper plate (32) through connecting plate (35) is fixed, guide slot (33) for leading wheel (41) walking between upper plate (32) and hypoplastron (31), the front end of guide slot (33) is fixed and is equipped with No. one sensor (34), the rear end of guide slot (33) is fixed and is equipped with No. two sensor (36), the rear end of hypoplastron (31) is fixed and is equipped with No. three sensor (37), no. one sensor (34), no. two sensor (36) and No. three sensor (37) are connected with switch board (1) through the wire respectively.
2. The integral die feeding device for a rotary forging machine according to claim 1, wherein: the seat end of the feeding oil cylinder (7) is fixedly arranged on the rotating plate (11), and a piston rod of the feeding oil cylinder (7) is fixedly connected with the lower transverse plate (15).
3. A method for manufacturing an automobile half-shaft blank by adopting the integral die feeding device for a rotary forging machine as set forth in claim 1, which is characterized in that: the method comprises the following steps:
firstly, cutting round steel bars matched with the model of an automobile half shaft product;
Secondly, feeding one end of the round steel bar into an intermediate frequency induction heating furnace for heating, wherein the temperature reaches 1100-1500 ℃, and taking out;
Thirdly, feeding the heating end of the round steel bar into a die cavity of a pre-upsetting machine for pre-upsetting, thickening the heating end of the round steel bar, and taking the round steel bar out of the die cavity of the pre-upsetting machine;
fourthly, adjusting the state of the integral die feeding device for the rotary forging machine, and controlling the working states of the air cylinder (5) and the feeding oil cylinder (7) through the control cabinet (1) to enable the integral die (42) to be in a vertical state; inserting the thin end of the round steel bar from the upper part of the integral die (42) and reaching the workpiece limiting seat (18), wherein the thick end of the round steel bar is positioned in the die cavity of the integral die (42); the control cabinet (1) controls the two cylinders (5) to relax, the rotating plate (11) drives the integral die mounting seat (4) to rotate, when the integral die mounting seat (4) rotates to the first sensor (34) of the track board (3), the guide wheel (41) rotates to the front end of the guide groove (33), the control cabinet (1) controls the cylinders (5) to stop relaxing according to the signal of the first sensor (34), the control feeding cylinder (7) starts to contract, the guide wheel (41) slides to the rear end along the guide groove (33), the integral die mounting seat (4) is positioned at the second sensor (36), the control cabinet (1) controls the feeding cylinder (7) to stop contracting according to the signal of the second sensor (36), and the cylinder (5) starts to relax again until the integral die (42) reaches the clamping position of the lower die holder (92) when the integral die mounting seat (4) rotates to the position of the third sensor (37); the control cabinet (1) controls the air cylinder (5) and the feeding oil cylinder (7) to release pressure bidirectionally according to the signal of the third sensor (37); starting the rotary forging machine (9), enabling the upper die holder (91) to descend, and clamping the integral die (42) together with the lower die holder (92); the rotary forging machine (9) is used for rotary forging the thick end of the round steel bar in the cavity of the integral die (42) to manufacture a flange;
Fifthly, after the flange plate of the automobile half shaft blank is molded, operating a rotary forging machine (9) to enable the upper die holder (91) to be lifted; the cylinder (5) and the feeding oil cylinder (7) are reversely operated by the control cabinet (1), so that the integral die (42) is returned to the vertical state;
Sixthly, the demolding cylinder (6) is controlled to start to relax through the control cabinet (1), and the workpiece limiting seat (18) pushes the workpiece to deviate from the integral die (42) to finish demolding;
And (seventh), taking out the machined automobile half shaft blank, and then putting the round steel bar subjected to the operation in the step (III) into the round steel bar for repeated operation.
Priority Applications (1)
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