CN111957873A - Automatic shaft forging production line and method thereof - Google Patents
Automatic shaft forging production line and method thereof Download PDFInfo
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- CN111957873A CN111957873A CN202010893680.XA CN202010893680A CN111957873A CN 111957873 A CN111957873 A CN 111957873A CN 202010893680 A CN202010893680 A CN 202010893680A CN 111957873 A CN111957873 A CN 111957873A
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- forging
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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
- B21K1/06—Making machine elements axles or shafts
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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
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
- B21J13/10—Manipulators
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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
- B21J3/00—Lubricating during forging or pressing
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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
- B21J5/002—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
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
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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
- B21J9/00—Forging presses
- B21J9/10—Drives for forging presses
- B21J9/18—Drives for forging presses operated by making use of gearing mechanisms, e.g. levers, spindles, crankshafts, eccentrics, toggle-levers, rack bars
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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
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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
- B21K29/00—Arrangements for heating or cooling during processing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses an automatic production line for shaft forging and a method thereof, wherein the automatic production line for shaft forging comprises: the device comprises an intermediate frequency furnace, a roll forging machine, a pre-forging press, a finish forging press, an edge cutting press, a first mechanical arm, a second mechanical arm, a transfer table and a control system; heating the material rod in an intermediate frequency furnace to a qualified temperature range, and then conveying the material rod to a roll forging machine, and making the material rod into a blank by the roll forging machine; the first mechanical arm conveys the blank to a pre-forging press from a roll forging machine for pre-forging to form a pre-forged blank; the second mechanical arm conveys the pre-forging blank to a finish forging press from the pre-forging press for finish forging to form a finish forging blank; the second mechanical arm conveys the finish forging blank to the transfer table from the finish forging press; the first mechanical arm conveys the final forging stock to the trimming press at the transfer table. The automatic intelligent processing device for the shaft forgings, disclosed by the invention, realizes automatic intelligent processing of the shaft forgings, replaces the traditional manual work to be matched with processing equipment, and ensures the processing efficiency, the product percent of pass, the quality stability and the uniformity.
Description
Technical Field
The invention belongs to the technical field of shaft forging automation, and particularly relates to an automatic shaft forging production line and an automatic shaft forging production method.
Background
The shaft type forge piece is a common forge piece in the industry, and the forge piece is characterized in that the diameters of different cross sections along the axial direction are different, and common shafts comprise transmission shafts, driving shaft gears and the like.
At present, the traditional forging process adopts manual forging, and equipment used in the forging process is old, low in yield and low in efficiency; the air hammer is adopted by the blank making equipment, the operation of the air hammer depends on the experience of workers, the blank making size also depends on the experience of the workers, the product percent of pass cannot be guaranteed, and the product yield and the quality are unstable, so that the problem that how to improve the production efficiency of the shaft type forge piece and guarantee the product percent of pass and the quality of the shaft type forge piece is urgently solved by technical personnel in the field.
Disclosure of Invention
Aiming at the defects or the improvement requirements of the prior art, the invention provides an automatic production line for shaft forging and a method thereof.
The invention discloses an automatic production line for shaft forging, which comprises:
the device comprises an intermediate frequency furnace, a roll forging machine, a pre-forging press, a finish forging press, an edge cutting press, a first mechanical arm, a second mechanical arm, a transfer table and a control system; the intermediate frequency furnace, the roll forging machine, the pre-forging press, the finish forging press, the first mechanical arm and the second mechanical arm are all connected with the control system; the first mechanical arm is arranged between the roll forging machine and the pre-forging press; the second mechanical arm is arranged between the pre-forging press and the finish forging press; the transfer table is arranged among the pre-forging press, the finish forging press and the trimming press; heating the material rod in the intermediate frequency furnace to a qualified temperature range, and then conveying the material rod to the roll forging machine, wherein the roll forging machine blanks the material rod to form a blank; the first mechanical arm conveys the blank to the pre-forging press from the roll forging machine for pre-forging to form a pre-forged blank; the second mechanical arm conveys the pre-forging blank to the finish forging press from the pre-forging press for finish forging to form a finish forging blank; the second mechanical arm conveys the finish forging blank to the transfer table by the finish forging press; and the first mechanical arm conveys the final forging stock to the trimming press machine for trimming to form a finished product.
Optionally, the intermediate frequency furnace comprises a feeding mechanism, an intermediate frequency furnace body, a temperature sensor, an intermediate frequency furnace control system and a material distribution mechanism; the feeding mechanism, the intermediate frequency furnace body, the temperature sensor and the material distributing mechanism are all connected with the control system; the furnace body of the intermediate frequency furnace is provided with a feeding hole and a discharging hole; the feeding mechanism is arranged close to the feeding hole and used for inputting a material rod into the furnace body of the intermediate frequency furnace from the feeding hole; the temperature sensor is arranged towards the discharge hole and used for detecting the temperature of the material rod discharged from the discharge hole; when the temperature of the material rod discharged from the discharge port is higher than a qualified temperature range, the material rod is conveyed to a high-temperature waste box by the material distribution mechanism; when the temperature of the material rods discharged from the discharge port is lower than a qualified temperature range, the material rods are conveyed to a low-temperature burn-back box by the material distribution mechanism; and when the temperature of the material rod discharged from the discharge port is in a qualified temperature range, the material rod is conveyed to a material taking point of the roll forging machine by the material distribution mechanism.
Optionally, the roll forging machine comprises a machine body, a mechanical arm, a rolling mechanism and a feeding mechanism; the manipulator comprises a clamping jaw assembly, a first sliding block, a rotary driving part and a linear driving part; the clamping jaw assembly is connected with the rotary driving part, and the rotary driving part is installed on the first sliding block, so that the clamping jaw assembly is rotatably arranged on the first sliding block; the first sliding block is arranged on the machine body in a sliding mode along a first direction and is connected with the linear driving part; the clamping jaw assembly is driven to linearly move and rotationally move to grab the material bar at the material taking point of the roll forging machine and convey the material bar to the rolling mechanism; the roller mechanism comprises a first roller, a second roller and a first driving assembly; the first roller and the second roller are arranged in parallel and in contact along a second direction, the first roller and the second roller are both rotatably arranged on the machine body, the first roller is arranged above the second roller, the first roller is connected with the first driving assembly, and when the first driving assembly drives the first roller to rotate, the second roller rotates along with the first roller; the first roller and the second roller are respectively provided with a plurality of blank making grooves which are sequentially arranged along the axis of the first roller and the second roller, so that the material rod circularly passes through the blank making grooves of the first roller and the blank making grooves of the second roller in sequence along a second direction to form blanks in the rotating process of the first roller and the second roller; the feeding mechanism comprises a material receiving channel, a feeding assembly and a first material taking station; the material receiving channel comprises a large-diameter end and a small-diameter section, the large-diameter end is arranged close to the second roller to receive blanks discharged from the blank making groove, and the feeding assembly comprises a support frame, a transmission chain, a driving motor, a driving shaft, a driven shaft and a protective cover; the driving shaft and the driven shaft are arranged in parallel and are both rotatably arranged on the support frame, the transmission chain is respectively connected with the driving shaft and the driven shaft in a tensioning manner, and the protective cover is covered on the outer side of the transmission chain; the driving shaft is connected with the driving motor; the material blanks flow to the conveying chain under the action of the gravity of the material receiving channel, and the conveying chain conveys the material blanks to the first material taking station.
Optionally, the first material taking station comprises a slide and a storage position, the slide is arranged obliquely, one end of the slide is in butt joint with the conveying chain, and the other end of the slide is in butt joint with the storage position; the storage position comprises a bottom plate and a surrounding pile; the bottom plate is flush with the slide way, and the surrounding piles are arranged on the outer peripheral side of the bottom plate in a surrounding manner; and the blanks discharged from the conveying chain slide to the bottom plate along the slide way under the action of the gravity of the blanks, and more than one enclosure pile is abutted to the blanks.
Optionally, the first mechanical arm and the second mechanical arm each include a robot base, a rotary base, a first arm section, a first rotating mechanism, a second arm section, a second rotating mechanism, a third arm section, a third rotating mechanism, a fourth arm section, a fourth rotating mechanism, and a gripper assembly, which are connected in sequence; the rotating seat can drive the first arm section to rotate relative to the robot base, wherein the plane of the first arm section is a first plane, the first rotating mechanism can drive the second arm section to rotate relative to the first arm section, the plane of the second arm section is a second plane, the second rotating mechanism can drive the third arm section to rotate relative to the second arm section, the plane of the third arm section is a third plane, the third rotating mechanism can drive the fourth arm section to rotate relative to the third arm section, the plane of the fourth arm section is a fourth plane, and the fourth rotating mechanism can drive the gripper assembly to rotate relative to the fourth arm section, wherein the plane of the gripper assembly is a five-plane; the first plane, the second plane, the third plane, the fourth plane and the fifth plane are arranged in parallel or form an included angle.
Optionally, the pre-forging press and the finish-forging press each comprise: the device comprises a machine body, a main screw rod, a main nut, a motor, a flywheel, a second sliding block, a transmission system, a transmission lubricating system, a transmission cooling system, a forging die, a die lubricating cooling system and a braking system; the main screw, the main nut, the motor, the flywheel, the sliding block and the forging die are all arranged on the machine body; the transmission system is arranged between the motor and the main screw rod and is used for transmitting the output torque of the motor to the main screw rod and the main nut, converting the output torque into linear motion and driving the second sliding block to act so as to process a blank or a pre-forged blank; the transmission lubricating system is arranged between the machine body and the main screw rod and the main nut and is used for lubricating the main screw rod and the main nut; the transmission cooling system is arranged on the outer side of the motor and used for cooling the motor; the die lubricating and cooling system is arranged on the outer side of the forging die and is used for lubricating and cooling the forging die after blank machining or pre-forging; the braking system is arranged at the top of the machine body, is connected with one end of the main screw rod through the transmission system and is used for instantly braking the flywheel.
The invention also discloses an automatic production method for shaft forging, which is suitable for any one of the automatic production lines for shaft forging and comprises the following steps:
s1, heating the material rod in an intermediate frequency furnace to a qualified temperature range, and conveying the material rod to a roll forging machine;
s2, the roll forging machine blanks the material rod to form a blank;
s3, the first mechanical arm conveys the blank from the roll forging machine to a pre-forging press to be pre-forged to form a pre-forged blank; the second mechanical arm conveys the pre-forging blank to a finish forging press from the pre-forging press for finish forging to form a finish forging blank;
s4, the finish forging blank is conveyed to the transfer platform by the finish forging press by the second mechanical arm;
and S5, the first mechanical arm conveys the final forging stock to an edge cutting press to cut edges to form a finished product.
Optionally, the step 1 includes the steps of:
s11, heating the material rod in the intermediate frequency furnace and discharging the material rod out of the heating cavity of the intermediate frequency furnace;
s12, judging the size relation between the temperature of the material bar in the heating cavity of the intermediate frequency furnace and the qualified temperature range;
when the temperature of the material rod out of the heating cavity of the intermediate frequency furnace is higher than the qualified temperature range, executing the following steps:
s13, conveying the material rod to a high-temperature waste box;
when the temperature of the material rod out of the heating cavity of the intermediate frequency furnace is lower than the qualified temperature range, executing the following steps:
s14, conveying the material rods to a low-temperature roasting box;
when the temperature of the material rod out of the heating cavity of the intermediate frequency furnace is in a qualified temperature range, executing the following steps:
and S15, conveying the material rods to a material taking point of the roll forging machine.
Optionally, the step 3 specifically includes the steps of:
s31, the first mechanical arm conveys the blank from the roll forging machine to a preforging die of a preforging press;
s32, judging whether the first mechanical arm exits from the working area of the pre-forging press or not;
when the first mechanical arm exits from the working area of the pre-forging press, executing the following steps:
s33, forging the blank by a pre-forging press to form a pre-forged blank;
s34, the second mechanical arm conveys the pre-forging blank to a finish forging die of the finish forging press from the pre-forging press;
s35, judging whether the second mechanical arm exits from the working area of the pre-forging press or not;
when the second mechanical arm exits from the working area of the pre-forging press, executing the following steps:
and S36, lubricating and cooling the pre-forging die.
Optionally, the step 34 is further followed by the step of:
s37, forging the pre-forging blank by a finish forging press to form a finish forging blank;
s38, the finish forging blank is conveyed to the transfer platform by the finish forging press by the second mechanical arm;
s39, judging whether the second mechanical arm exits from the working area of the finish forging press or not;
when the second mechanical arm exits the working area of the finish forging press, executing the following steps:
and S310, lubricating and cooling the finish forging die.
In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:
1. according to the invention, the roll forging machine can carry out automatic intelligent blank making on the material rods, the traditional blank making mode that workers need to rely on experience by matching air hammers through workers is replaced, the automatic intelligent blank making ensures the high uniformity of blank making of the same shaft type forge piece, so that the product percent of pass and the quality stability are ensured, the blank making efficiency is greatly higher than that of manual blank making, and the processing efficiency, the product percent of pass and the quality stability of shaft type forge piece processing are ensured; preferably, in the whole manufacturing process of the shaft forging, only three presses (a pre-forging press, a finish forging press and a trimming press) and two mechanical arms (a first mechanical arm and a second mechanical arm) are needed, the equipment needs, particularly the requirement of the mechanical arms is greatly reduced, one mechanical arm can realize two transfer functions, the utilization rate of the mechanical arm is greatly improved, the production cost of the shaft forging is reduced, the two transfer functions of the mechanical arm are performed in a crossed manner, and the production efficiency is further improved; preferably, the method is automatic online control, manual intervention is not needed, so that workers are far away from a shaft forging production area (namely an equipment processing area), safety production is guaranteed, and meanwhile, the labor input cost is greatly saved; meanwhile, the thermal pollution (the shaft forgings can be heated to more than 1000 ℃ in the intermediate frequency furnace) and the noise pollution (the noise generated by the equipment work) can be avoided by the staff, and the health of the staff is ensured.
2. According to the invention, the intermediate frequency furnace can only convey the material rods meeting the corresponding processing temperature range to the material taking point of the roll forging machine according to the processing temperature range of the shaft forging, so that the blank capable of forming a qualified product finally enters a production link, the blank which is scrapped due to high temperature and the blank which cannot be put into production at low temperature are intercepted, and the processing efficiency, the yield and the quality stability are further ensured; preferably, the blank scrapped due to high temperature can be recycled and then used as a raw material of other products; the blank which cannot be put into production at low temperature can be recycled and then enters the intermediate frequency furnace to be heated to form recycling; the processing efficiency of the invention is greatly improved, and the blank which does not reach the processing temperature can be recycled, thereby avoiding the waste of raw materials and saving the production cost.
3. In the invention, the roll forging machine realizes the blank making and conveying of the material rods through energy consumption and energy waste (through self weight), the energy saving performance is good, and the safety is high (the blank is covered by the protective cover when the conveying chain is transported, so that the scalding caused by the error contact of workers is avoided); preferably, the first material taking station is in a self-weight and open type, so that energy consumption is saved, and meanwhile, the first mechanical arm can conveniently grab the blank, and the production smoothness and stability are improved.
4. According to the invention, the transmission mechanism of the press machine can realize reliable transmission of torque, has the characteristic of flexibility and adjustability, and reduces the friction force between the main screw and the main nut through the transmission lubricating system, thereby ensuring high-efficiency transmission of power and reducing energy consumption; meanwhile, the working temperature of the motor is reduced through the transmission cooling system, so that the motor can work in a relatively low-temperature environment, and the failure rate of the motor due to high-temperature work is reduced; the die lubricating and cooling system ensures that the forging die works in a relatively stable temperature range, ensures the quality of the shaft forgings processed by the forging die and the easy demoulding of the shaft forgings, and ensures the stability and the high efficiency of the long-term operation of the invention.
Drawings
FIG. 1 is a schematic structural view of an automatic production line for shaft forging according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of an intermediate frequency furnace according to the present invention;
FIG. 3 is a schematic structural view of one embodiment of the roll forging machine of the present invention;
fig. 4 is a schematic flow chart of an embodiment of an automatic production method for shaft forging according to the present invention.
In all the figures, the same reference numerals denote the same features, in particular: 1-sawing machine, 101-hydraulic sawing mechanism, 102-hydraulic control system, 103-conveying mechanism, 2-intermediate frequency furnace, 21-feeding mechanism, 22-intermediate frequency furnace body, 23-conveying mechanism, 231-conveying chain, 232-conveying motor, 233-driving wheel, 234-driven wheel, 24-material-separating mechanism, 2411-first brake component, 2412-first rotating shaft, 2413-first connecting rod, 242-first material-separating plate, 243-high-temperature waste material channel, 2441-second brake component, 2442-second rotating shaft, 2443-second connecting rod, 245-second material-separating plate, 246-low-temperature burn-back channel, 247-qualified temperature channel, 248-first lattice baffle, 249-second lattice baffle and 25-intermediate frequency furnace control system, 26-intermediate frequency furnace booster, 27-closed cooling tower main machine, 28-closed cooling tower auxiliary machine, 29-closed cooling tower control system, 3-roll forging machine, 31-machine body, 32-roll mechanism, 321-first roll, 3211-blank making groove, 322-second roll, 323-first drive component, 33-feeding mechanism, 331-material receiving channel, 332-transmission chain, 333-protective cover, 4-pre-forging press, 41-pre-forging thin oil station, 42-pre-forging top material station, 43-die lubrication cooling system, 5-final forging press, 51-final forging thin oil station, 52-final forging top material station, 6-edge cutting press, 7-first mechanical arm, 8-second mechanical arm, 9-middle turntable, 10-blank, 11-control room, 111-roll forging machine control system, 112-first mechanical arm control system, 113-main control system, 114-pre-forging press control system, 115-pre-forging press power system, 116-finish forging press control system, 117-finish forging press power system, 118-second mechanical arm control system, 119-three-phase power supply cabinet, 121-fence door, 122-vertical hinged door, 123-shuttle door, 124-safety fence and 125-transparent visible side wall.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In one embodiment of the present invention, as shown in fig. 1-3, an automatic production line for shaft forging includes: the device comprises an intermediate frequency furnace 2, a roll forging machine 3, a pre-forging press machine 4, a finish forging press machine 5, an edge cutting press machine 6, a first mechanical arm 7, a second mechanical arm 8, a transfer table 9 and a control system; the intermediate frequency furnace 2, the roll forging machine 3, the pre-forging press machine 4, the finish forging press machine 5, the first mechanical arm 7 and the second mechanical arm 8 are all connected with a control system; a first mechanical arm 7 is arranged between the roll forging machine 3 and the pre-forging press machine 4; a second mechanical arm 8 is arranged between the pre-forging press 4 and the finish forging press 5; the transfer table 9 is arranged among the pre-forging press 4, the finish forging press 5 and the trimming press 6; heating the material bar in an intermediate frequency furnace 2 to a qualified temperature range, then conveying the material bar to a roll forging machine 3, and making the material bar into a blank 10 by the roll forging machine 3; the first mechanical arm 7 conveys the blank 10 from the roll forging machine 3 to the pre-forging press 4 for pre-forging to form a pre-forged blank; the second mechanical arm 8 conveys the pre-forging blank to a finish forging press 5 from the pre-forging press 4 for finish forging to form a finish forging blank; the second mechanical arm 8 conveys the finish forging blank to the transfer table 9 by the finish forging press 5; the first mechanical arm 7 conveys the final forging stock to the trimming press 6 for trimming to form a finished product in a transfer platform 9.
In practical application, when one type of shaft forging is processed, manual intervention is not needed, a material rod automatically cut by the sawing machine 1 flows to the intermediate frequency furnace 2, is heated in the intermediate frequency furnace 2 to be within the qualified temperature range of the shaft forging, and is conveyed to the roll forging machine 3 for rough machining to form a blank 10, the blank 10 is conveyed to the pre-forging press machine 4 by the first mechanical arm 7 for pre-forging to form a pre-forging blank, and the pre-forging blank is taken out from the pre-forging press machine 4 by the second mechanical arm 8 and is conveyed to the finish-forging press machine 5 for finish forging to form a final forging blank; and before the second mechanical arm 8 (namely, when the first mechanical arm 7 transports the blank 10), the finish forging blank forged on the finish forging press 5 is conveyed to the transfer table 9, and when the blank 10 is forged by the pre-forging press 4, the first mechanical arm 7 conveys the finish forging blank on the transfer table 9 to the trimming press 6 for trimming to form a finished product. The whole processing process is a continuous and uninterrupted closed cycle processing flow, and a plurality of functions of the mechanical arms (the first mechanical arm 7 and the second mechanical arm 8) are not interfered with each other; therefore, the shaft forging is intelligently forged by the least equipment, and the production cost is greatly reduced. When the invention forges shaft forgings of different types, only corresponding dies of the press (the pre-forging press 4, the finish forging press 5 and the trimming press 6) and the rollers (the first roller 321 and the second roller 322) of the roll forging machine 3 or the roll forging machine 3 are needed to be replaced, compared with manual processing, the efficiency is higher, and the whole processing flow can be controlled by a program, so that the requirement on manual operation is greatly reduced.
It should be noted that the invention can also be applied to the processing of shaft forgings which are forged only by the pre-forging press 4 and not by the finish-forging press 5, that is, after the pre-forging press 4 finishes forging, the second mechanical arm 8 takes out the pre-forging press 4 and puts the pre-forging press on the transfer table 9, then the first mechanical arm 7 takes out the pre-forging press from the transfer table 9 and puts the pre-forging press on the trimming press 6 for trimming, and the forging can be finished only by calling different processing procedures of the invention, so that the processing procedures of the pre-forging press 4 or the pre-forging press 4 and the finish-forging press 5 are needed at the same time, and the application range of the invention is greatly improved, but the invention also belongs to the protection range of the invention.
Preferably, the sawing machine 1 comprises one or more hydraulic sawing mechanisms 101 for cutting to form material bars, a transfer mechanism 103 for transferring material bars, and a hydraulic control system 102 connected with the hydraulic sawing mechanisms 101. In practical application, the hydraulic control system 102 can control the cutting of the hydraulic sawing mechanism 101, so as to control the cutting speed and the feeding speed of the bar, thereby ensuring the smoothness provided by the bar of the invention.
Optionally, the intermediate frequency furnace 2 comprises a feeding mechanism 21, an intermediate frequency furnace body 22, a temperature sensor, an intermediate frequency furnace control system 25 and a distributing mechanism 24; the feeding mechanism 21, the intermediate frequency furnace body 22, the temperature sensor and the material distributing mechanism 24 are all connected with a control system; the intermediate frequency furnace body 22 is provided with a feeding hole and a discharging hole; the feeding mechanism 21 is arranged close to the feeding hole and used for feeding the material rods into the intermediate frequency furnace body 22 from the feeding hole; the temperature sensor is arranged towards the discharge hole and used for detecting the temperature of the material rod discharged from the discharge hole; when the temperature of the material rods discharged from the discharge port is higher than the qualified temperature range, the material rods are conveyed to a high-temperature waste box by the material distribution mechanism 24; when the temperature of the material rods discharged from the discharge port is lower than the qualified temperature range, the material distribution mechanism 24 conveys the material rods to the low-temperature burn-back box; when the temperature of the material rod discharged from the discharge port is in a qualified temperature range, the material rod is conveyed to a material taking point of the roll forging machine by the material distribution mechanism 24.
Optionally, a conveying mechanism 23 is arranged in the intermediate frequency furnace body 22, one end of the conveying mechanism 23 is in butt joint with the feeding mechanism 21, and the other end of the conveying mechanism 23 is in butt joint with the material distributing mechanism 24; the conveying mechanism 23 comprises a conveying chain 231, a conveying motor 232, a driving wheel 233 and a driven wheel 234, wherein the conveying chain 231 is respectively connected with the driving wheel 233 and the driven wheel 234 in a tensioning manner, and the conveying motor 232 is in transmission connection with the driving wheel 233; the driving pulley 233 and the driven pulley 234 are rotatably provided in the intermediate frequency furnace body 22.
Optionally, the feed mechanism 24 includes a base plate, a first lattice apron 248, a second lattice apron 249, a first feed divider plate 242, a second feed divider plate 245, a first brake assembly 2411, a first rotational axis 2412, a first link 2413, a second brake assembly 2441, a second rotational axis 2442, and a second link 2443; the first lattice baffle 248 and the second lattice baffle 249 are arranged on two sides of the bottom plate in a surrounding manner, and the side walls of the first lattice baffle 248 and the second lattice baffle 249 on one side far away from the bottom plate are higher than the surface of the bottom plate; the first rotating shaft 2412 and the second rotating shaft 2442 are arranged on the bottom plate; the first material distributing plate 242 is rotatably connected with the first rotating shaft 2412, so that the end part of the first material distributing plate 242 close to one side of the intermediate frequency furnace body 22 can rotate around the first rotating shaft 2412; the first brake assembly 2411 is connected to the first material distributing plate 242 through a first connecting rod 2413, so that the first brake assembly 2411 can drive the first material distributing plate 242 to rotate around the first rotating shaft 2412; similarly, the second material distributing plate 245 is rotatably connected with the second rotating shaft 2442, so that the end part of the second material distributing plate 245 close to one side of the intermediate frequency furnace body 22 can rotate around the second rotating shaft 2442; the second brake assembly 2441 is connected to the second material separating plate 245 through a second connecting rod 2443, so that the second brake assembly 2441 can drive the second material separating plate 245 to rotate around a second rotating shaft 2442; when the first brake assembly 2411 and the second brake assembly 2441 do not act (namely the temperature sensor detects that the temperature of the blank discharged from the intermediate frequency furnace body 22 is within the qualified temperature range, the control system controls the first brake assembly 2411 and the second brake assembly 2441 to do not act), the first material distribution plate 242 and the second material distribution plate 245 are oppositely arranged and are encircled together with the bottom plate to form a qualified temperature channel 247, so that the blank 10 meeting the qualified temperature range flows to a material taking point of the roll forging machine from the qualified temperature channel 247; when the first brake assembly 2411 acts and the second brake assembly 2441 does not act (namely, the temperature sensor detects that the temperature of the blank discharged from the intermediate frequency furnace body 22 is higher than the qualified temperature range, the control system controls the first brake assembly 2411 to act and the second brake assembly 2441 does not act), the end part of the first material distribution plate 242 close to one side of the intermediate frequency furnace body 22 abuts against the second material distribution plate 245 (at this time, the qualified temperature channel 247 cannot be formed and is blocked), so that the first lattice baffle 248 and the first material distribution plate 242 are oppositely arranged and form a high-temperature waste channel 243 together with the bottom plate in a surrounding manner, and the material rods higher than the qualified temperature range flow to the high-temperature waste box through the high-temperature waste channel 243; when the first brake assembly 2411 does not act and the second brake assembly 2441 acts (namely, the temperature sensor detects that the temperature of the blank discharged from the intermediate frequency furnace body 22 is lower than the qualified temperature range, the control system controls the first brake assembly 2411 to do not act and the second brake assembly 2441 to act), the end part of the second material distribution plate 245 close to one side of the intermediate frequency furnace body 22 abuts against the first material distribution plate 242 (at this time, the qualified temperature channel 247 cannot be formed and is blocked), so that the second lattice baffle 249 and the second material distribution plate 245 are oppositely arranged and form a low-temperature burn-back channel 246 together with the bottom plate in a surrounding manner, and the material rods lower than the qualified temperature range flow to the low-temperature burn-back box from the low-temperature burn-back channel 246; preferably, the qualified temperature channel 247, the high temperature scrap channel 243, and the low temperature burn-back channel 246 all preferably slide to their respective locations (roll forging machine take off point, high temperature scrap box, and low temperature burn-back box) by the weight of the billet 10. In practical applications, the first brake assembly 2411 and the second brake assembly 2441 may be any one of a cylinder assembly, a linear drive assembly, a hydraulic linear drive assembly, and the like capable of achieving linear motion.
Preferably, the intermediate frequency furnace 2 further comprises an intermediate frequency furnace booster 26; the intermediate frequency furnace control system 25 is connected to an intermediate frequency furnace booster 26. In practical applications, when the temperature of the blank 10 discharged from the if furnace 2 is too low, the power supply of the if furnace 2 may be boosted by the if furnace booster 26, thereby increasing the processing temperature of the if furnace 2.
Optionally, the side of intermediate frequency furnace 2 still is equipped with closed cooling tower system, and closed cooling tower system includes closed cooling tower host computer 27, closed cooling tower auxiliary engine 28 and closed cooling tower control system 29, cools down parts such as the power of intermediate frequency furnace 2 through closed cooling tower system, guarantees the permanent effective operation of stability of intermediate frequency furnace 2.
Alternatively, the roll forging machine 3 includes a machine body 31, a manipulator, a roll mechanism 32, and a feeding mechanism 33; the manipulator comprises a clamping jaw assembly, a first sliding block, a rotary driving part and a linear driving part; the clamping jaw assembly is connected with the rotary driving part, and the rotary driving part is arranged on the first sliding block, so that the clamping jaw assembly is rotatably arranged on the first sliding block; the first sliding block is slidably mounted on the machine body 31 along a first direction and is connected with the linear driving part; so that the clamping jaw assembly grips the material bar at the material taking point of the roll forging machine through linear motion and rotary motion and conveys the material bar to the roll mechanism 32; the roller mechanism 32 includes a first roller 321, a second roller 322, and a first drive assembly 323; the first roller 321 and the second roller 322 are arranged in parallel and in contact with each other along a second direction, the first roller 321 and the second roller 322 are both rotatably arranged on the machine body 31, the first roller 321 is arranged above the second roller 322, the first roller 321 is connected with the first driving assembly 323, and when the first driving assembly 323 drives the first roller 321 to rotate, the second roller 322 rotates along with the first roller 321; the first roller 321 and the second roller 322 are respectively provided with a plurality of blank making grooves 3211 which are sequentially arranged along the axis of the first roller 321 and the second roller 322, so that in the rotating process of the first roller 321 and the second roller 322, the material rod circularly and sequentially passes through the blank making grooves 3211 of the first roller 321 and the blank making grooves 3211 of the second roller 322 along the second direction to form a blank 10; the feeding mechanism 33 comprises a material receiving channel 331, a feeding assembly and a first material taking station; the material receiving channel 331 comprises a large-diameter end and a small-diameter section, the large-diameter end is arranged close to the second roller 322 to be received by the blank 10 discharged from the blank making groove 3211, and the feeding assembly comprises a support frame, a transmission chain 332, a driving motor, a driving shaft, a driven shaft and a protective cover 333; the driving shaft and the driven shaft are arranged in parallel and are both rotatably arranged on the support frame, the transmission chain 332 is respectively connected with the driving shaft and the driven shaft in a tensioning way, and the protective cover 333 is covered on the outer side of the transmission chain 332; the driving shaft is connected with a driving motor; the material blanks flow under their own weight in the receiving channel 331 to the conveyor chain 332, and the conveyor chain 332 transports the material blanks to the first reclaiming station.
Optionally, the first material taking station comprises a chute and a storage position, the chute is arranged obliquely, one end of the chute is in butt joint with the conveying chain 332, and the other end of the chute is in butt joint with the storage position; the storage position comprises a bottom plate and a surrounding pile; the bottom plate is flush with the slide way, and the plurality of surrounding piles are arranged on the outer peripheral side of the bottom plate in a surrounding manner; the blanks 10 exiting the conveyor chain 332 slide along the slide to the bottom plate under their own weight and one or more pilings abut the blanks.
Optionally, the first mechanical arm 7 and the second mechanical arm 8 both include a robot base, a rotary base, a first arm section, a first rotating mechanism, a second arm section, a second rotating mechanism, a third arm section, a third rotating mechanism, a fourth arm section, a fourth rotating mechanism, and a gripper assembly, which are connected in sequence; the rotary seat can drive the first arm section to rotate relative to the robot base, the plane of the first arm section is a first plane, the first rotary mechanism can drive the second arm section to rotate relative to the first arm section, the plane of the second arm section is a second plane, the second rotary mechanism can drive the third arm section to rotate relative to the second arm section, the plane of the third arm section is a third plane, the third rotary mechanism can drive the fourth arm section to rotate relative to the third arm section, the plane of the fourth arm section is a fourth plane, and the fourth rotary mechanism can drive the gripper assembly to rotate relative to the fourth arm section, the plane of the gripper assembly is a five-plane rotation; the first plane, the second plane, the third plane, the fourth plane and the fifth plane are arranged in parallel or form an included angle. It should be noted that the first robot arm 7 and the second robot arm 8 are both six-axis robot arms as long as the feeding conditions of the present invention are satisfied. The mounting positions of the gripper assembly of the first robot arm 7 and the gripper assembly of the second robot arm 8 may be different according to the difference in the movement routes of the first robot arm 7 and the second robot arm 8, and similarly, the mutual rotation angles between the other components of the first robot arm 7 and the second robot arm 8 may be changed according to a program for controlling them.
Optionally, the pre-forging press 4 and the finish-forging press 5 each comprise: the device comprises a machine body, a main screw rod, a main nut, a motor, a flywheel, a second sliding block, a transmission system, a transmission lubricating system, a transmission cooling system, a forging die, a die lubricating and cooling system 43 and a braking system; the main screw, the main nut, the motor, the flywheel, the sliding block and the forging die are all arranged on the machine body; the transmission system is arranged between the motor and the main screw rod and is used for transmitting the output torque of the motor to the main screw rod and the main nut, converting the output torque into linear motion and driving the second sliding block to act so as to process the blank 10 or the pre-forging blank; the transmission lubricating system is arranged between the machine body and the main screw rod and the main nut and is used for lubricating the main screw rod and the main nut; the transmission cooling system is arranged on the outer side of the motor and used for cooling the motor; the die lubrication cooling system 43 is arranged on the outer side of the forging die and used for lubricating and cooling the forging die for processing the blank 10 or pre-forging blank; the braking system is arranged at the top of the machine body, is connected with one end of the main screw rod through the transmission system and is used for instantly braking the flywheel. Optionally, the die lubrication cooling system 43 is an automatic graphite spraying device.
Preferably, the pre-forging press 4 is further provided with a pre-forging thin oil station 41 and a pre-forging topping station 42, and the finish-forging press 5 is further provided with a finish-forging thin oil station 51 and a finish-forging topping station 52, so as to ensure smooth operation of the press. Preferably, the trimming device further comprises a trimming bin for containing the trimmings cut by the trimming press 6, and a slideway is arranged between the trimming bin and the trimming press 6, so that the trimmings cut by the finish forging blank flow to the trimming bin under the inclination of the slideway and the gravity of the slideway.
Preferably, the transfer table 9 comprises a support table and a shaft type container for placing the final forging stock, and the various shaft type containers can be arranged on the support table in a replaceable manner.
In the process of processing the material rod, more dust is generated, so that the problem that the dust cannot work due to entering a control system and the service life of the dust is influenced is solved, the method cannot be smoothly carried out, the control system is preferably isolated from processing equipment (the intermediate frequency furnace 2, the roll forging machine 3, the pre-forging press machine 4, the final forging press machine 5, the trimming press machine 6, the first mechanical arm 7, the second mechanical arm 8 and the transfer table 9), the control system and the processing equipment are independently arranged in different areas, and the control system is arranged in a control room 11; the control system comprises a roll forging machine control system 111, a first mechanical arm control system 112, a main control system 113, a pre-forging press control system 114, a pre-forging press power system 115, a finish-forging press control system 116, a finish-forging press power system 117, a second mechanical arm control system 118 and a three-phase power supply cabinet 119; in order to ensure the processing safety and avoid the dangerous situation caused by the mistaken entering of the working personnel into the processing equipment area, the processing equipment is preferably surrounded by a safety fence 124, in order to facilitate the observation of the processing situation of the processing equipment by the working personnel in the control room 11, the side wall of the control room 11 close to one side of the processing equipment is a transparent visible side wall 125, and the transparent visible side wall 125 is provided with a shuttle door 123 which facilitates the working personnel to enter and exit between the control room 11 and the working equipment; the control room 11 is also provided with a vertical hinged door 122 which is convenient for workers to enter and exit the control room 11; more than one fence door 121 is correspondingly arranged on the safety fence 124; therefore, the invention can run safely, permanently and efficiently.
In another embodiment of the present invention, as shown in fig. 4, an automatic production method for shaft forging is applicable to any one of the automatic production lines for shaft forging, and includes the steps of:
s1, heating the material rod in an intermediate frequency furnace to a qualified temperature range, and conveying the material rod to a roll forging machine;
s2, the roll forging machine blanks the material rod to form a blank;
s3, the first mechanical arm conveys the blank from the roll forging machine to a pre-forging press to be pre-forged to form a pre-forged blank; the second mechanical arm conveys the pre-forging blank to a finish forging press from the pre-forging press for finish forging to form a finish forging blank;
s4, the finish forging blank is conveyed to the transfer platform by the finish forging press by the second mechanical arm;
and S5, the first mechanical arm conveys the final forging stock to an edge cutting press to cut edges to form a finished product.
In another embodiment of the present invention, an automatic production method for shaft forging is provided, where, on the basis of the above embodiment, the step 1 includes the steps of:
s11, heating the material rod in the intermediate frequency furnace and discharging the material rod out of the heating cavity of the intermediate frequency furnace;
s12, judging the size relation between the temperature of the material bar in the heating cavity of the intermediate frequency furnace and the qualified temperature range;
when the temperature of the material rod out of the heating cavity of the intermediate frequency furnace is higher than the qualified temperature range, executing the following steps:
s13, conveying the material rod to a high-temperature waste box;
when the temperature of the material rod out of the heating cavity of the intermediate frequency furnace is lower than the qualified temperature range, executing the following steps:
s14, conveying the material rods to a low-temperature roasting box;
when the temperature of the material rod out of the heating cavity of the intermediate frequency furnace is in a qualified temperature range, executing the following steps:
and S15, conveying the material rods to a material taking point of the roll forging machine.
It should be noted that the qualified temperature range of the invention is specifically set according to the shaft forging to be processed, for example, when the shaft forging with the qualified temperature range of 1120-; when the temperature sensor detects that the temperature of the material rod discharged from the intermediate frequency furnace is higher than 1230 ℃, the material rod is conveyed to a high-temperature waste box; when the temperature sensor detects that the temperature of the material rod discharged from the intermediate frequency furnace is lower than 1120 ℃, the material rod is conveyed to the low-temperature burn-back box.
In another embodiment of the present invention, on the basis of any one of the above embodiments, the step 3 specifically includes the steps of:
s31, the first mechanical arm conveys the blank from the roll forging machine to a preforging die of a preforging press;
s32, judging whether the first mechanical arm exits from the working area of the pre-forging press or not;
when the first mechanical arm exits from the working area of the pre-forging press, executing the following steps:
s33, forging the blank by a pre-forging press to form a pre-forged blank;
s34, the second mechanical arm conveys the pre-forging blank to a finish forging die of the finish forging press from the pre-forging press;
s35, judging whether the second mechanical arm exits from the working area of the pre-forging press or not;
when the second mechanical arm exits from the working area of the pre-forging press, executing the following steps:
and S36, lubricating and cooling the pre-forging die.
In another embodiment of the present invention, an automatic production method for shaft forging further includes, after the step 34, the steps of:
s37, forging the pre-forging blank by a finish forging press to form a finish forging blank;
s38, the finish forging blank is conveyed to the transfer platform by the finish forging press by the second mechanical arm;
s39, judging whether the second mechanical arm exits from the working area of the finish forging press or not;
when the second mechanical arm exits the working area of the finish forging press, executing the following steps:
and S310, lubricating and cooling the finish forging die.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides an axle type forges automated production assembly line which characterized in that includes:
the device comprises an intermediate frequency furnace, a roll forging machine, a pre-forging press, a finish forging press, an edge cutting press, a first mechanical arm, a second mechanical arm, a transfer table and a control system; the intermediate frequency furnace, the roll forging machine, the pre-forging press, the finish forging press, the first mechanical arm and the second mechanical arm are all connected with the control system;
the first mechanical arm is arranged between the roll forging machine and the pre-forging press;
the second mechanical arm is arranged between the pre-forging press and the finish forging press;
the transfer table is arranged among the pre-forging press, the finish forging press and the trimming press;
heating the material rod in the intermediate frequency furnace to a qualified temperature range, and then conveying the material rod to the roll forging machine, wherein the roll forging machine blanks the material rod to form a blank; the first mechanical arm conveys the blank to the pre-forging press from the roll forging machine for pre-forging to form a pre-forged blank; the second mechanical arm conveys the pre-forging blank to the finish forging press from the pre-forging press for finish forging to form a finish forging blank; the second mechanical arm conveys the finish forging blank to the transfer table by the finish forging press; and the first mechanical arm conveys the final forging stock to the trimming press machine for trimming to form a finished product.
2. The automatic production line for forging shafts according to claim 1, wherein:
the intermediate frequency furnace comprises a feeding mechanism, an intermediate frequency furnace body, a temperature sensor, an intermediate frequency furnace control system and a material distribution mechanism; the feeding mechanism, the intermediate frequency furnace body, the temperature sensor and the material distributing mechanism are all connected with the control system;
the furnace body of the intermediate frequency furnace is provided with a feeding hole and a discharging hole;
the feeding mechanism is arranged close to the feeding hole and used for inputting a material rod into the furnace body of the intermediate frequency furnace from the feeding hole;
the temperature sensor is arranged towards the discharge hole and used for detecting the temperature of the material rod discharged from the discharge hole; when the temperature of the material rod discharged from the discharge port is higher than a qualified temperature range, the material rod is conveyed to a high-temperature waste box by the material distribution mechanism; when the temperature of the material rods discharged from the discharge port is lower than a qualified temperature range, the material rods are conveyed to a low-temperature burn-back box by the material distribution mechanism; and when the temperature of the material rod discharged from the discharge port is in a qualified temperature range, the material rod is conveyed to a material taking point of the roll forging machine by the material distribution mechanism.
3. The automatic production line for forging shafts according to claim 1, wherein:
the roll forging machine comprises a machine body, a mechanical arm, a roll mechanism and a feeding mechanism;
the manipulator comprises a clamping jaw assembly, a first sliding block, a rotary driving part and a linear driving part; the clamping jaw assembly is connected with the rotary driving part, and the rotary driving part is installed on the first sliding block, so that the clamping jaw assembly is rotatably arranged on the first sliding block; the first sliding block is arranged on the machine body in a sliding mode along a first direction and is connected with the linear driving part; the clamping jaw assembly is driven to linearly move and rotationally move to grab the material bar at the material taking point of the roll forging machine and convey the material bar to the rolling mechanism;
the roller mechanism comprises a first roller, a second roller and a first driving assembly; the first roller and the second roller are arranged in parallel and in contact along a second direction, the first roller and the second roller are both rotatably arranged on the machine body, the first roller is arranged above the second roller, the first roller is connected with the first driving assembly, and when the first driving assembly drives the first roller to rotate, the second roller rotates along with the first roller; the first roller and the second roller are respectively provided with a plurality of blank making grooves which are sequentially arranged along the axis of the first roller and the second roller, so that the material rod circularly passes through the blank making grooves of the first roller and the blank making grooves of the second roller in sequence along a second direction to form blanks in the rotating process of the first roller and the second roller;
the feeding mechanism comprises a material receiving channel, a feeding assembly and a first material taking station; the material receiving channel comprises a large-diameter end and a small-diameter section, the large-diameter end is arranged close to the second roller to receive blanks discharged from the blank making groove, and the feeding assembly comprises a support frame, a transmission chain, a driving motor, a driving shaft, a driven shaft and a protective cover; the driving shaft and the driven shaft are arranged in parallel and are both rotatably arranged on the support frame, the transmission chain is respectively connected with the driving shaft and the driven shaft in a tensioning manner, and the protective cover is covered on the outer side of the transmission chain; the driving shaft is connected with the driving motor; the material blanks flow to the conveying chain under the action of the gravity of the material receiving channel, and the conveying chain conveys the material blanks to the first material taking station.
4. The automatic production line for forging shafts as claimed in claim 3, wherein:
the first material taking station comprises a slide way and a storage position, the slide way is obliquely arranged, one end of the slide way is in butt joint with the conveying chain, and the other end of the slide way is in butt joint with the storage position; the storage position comprises a bottom plate and a surrounding pile; the bottom plate is flush with the slide way, and the surrounding piles are arranged on the outer peripheral side of the bottom plate in a surrounding manner; and the blanks discharged from the conveying chain slide to the bottom plate along the slide way under the action of the gravity of the blanks, and more than one enclosure pile is abutted to the blanks.
5. The automatic production line for forging shafts according to claim 1, wherein:
the first mechanical arm and the second mechanical arm respectively comprise a robot base, a rotating seat, a first arm section, a first rotating mechanism, a second arm section, a second rotating mechanism, a third arm section, a third rotating mechanism, a fourth arm section, a fourth rotating mechanism and a gripper assembly which are sequentially connected; the rotating seat can drive the first arm section to rotate relative to the robot base, wherein the plane of the first arm section is a first plane, the first rotating mechanism can drive the second arm section to rotate relative to the first arm section, the plane of the second arm section is a second plane, the second rotating mechanism can drive the third arm section to rotate relative to the second arm section, the plane of the third arm section is a third plane, the third rotating mechanism can drive the fourth arm section to rotate relative to the third arm section, the plane of the fourth arm section is a fourth plane, and the fourth rotating mechanism can drive the gripper assembly to rotate relative to the fourth arm section, wherein the plane of the gripper assembly is a five-plane; the first plane, the second plane, the third plane, the fourth plane and the fifth plane are arranged in parallel or form an included angle.
6. The automatic production line for shaft forging according to any one of claims 1 to 5, characterized in that:
the pre-forging press and the finish forging press both comprise: the device comprises a machine body, a main screw rod, a main nut, a motor, a flywheel, a second sliding block, a transmission system, a transmission lubricating system, a transmission cooling system, a forging die, a die lubricating cooling system and a braking system;
the main screw, the main nut, the motor, the flywheel, the sliding block and the forging die are all arranged on the machine body;
the transmission system is arranged between the motor and the main screw rod and is used for transmitting the output torque of the motor to the main screw rod and the main nut, converting the output torque into linear motion and driving the second sliding block to act so as to process a blank or a pre-forged blank;
the transmission lubricating system is arranged between the machine body and the main screw rod and the main nut and is used for lubricating the main screw rod and the main nut;
the transmission cooling system is arranged on the outer side of the motor and used for cooling the motor;
the die lubricating and cooling system is arranged on the outer side of the forging die and is used for lubricating and cooling the forging die after blank machining or pre-forging;
the braking system is arranged at the top of the machine body, is connected with one end of the main screw rod through the transmission system and is used for instantly braking the flywheel.
7. An automatic production method for shaft forging, which is applied to the automatic production line for shaft forging according to any one of claims 1 to 6, comprising the steps of:
s1, heating the material rod in an intermediate frequency furnace to a qualified temperature range, and conveying the material rod to a roll forging machine;
s2, the roll forging machine blanks the material rod to form a blank;
s3, the first mechanical arm conveys the blank from the roll forging machine to a pre-forging press to be pre-forged to form a pre-forged blank; the second mechanical arm conveys the pre-forging blank to a finish forging press from the pre-forging press for finish forging to form a finish forging blank;
s4, the finish forging blank is conveyed to the transfer platform by the finish forging press by the second mechanical arm;
and S5, the first mechanical arm conveys the final forging stock to an edge cutting press to cut edges to form a finished product.
8. The automatic production method for shaft forging according to claim 7, wherein the step 1 specifically comprises the steps of:
s11, heating the material rod in the intermediate frequency furnace and discharging the material rod out of the heating cavity of the intermediate frequency furnace;
s12, judging the size relation between the temperature of the material bar in the heating cavity of the intermediate frequency furnace and the qualified temperature range;
when the temperature of the material rod out of the heating cavity of the intermediate frequency furnace is higher than the qualified temperature range, executing the following steps:
s13, conveying the material rod to a high-temperature waste box;
when the temperature of the material rod out of the heating cavity of the intermediate frequency furnace is lower than the qualified temperature range, executing the following steps:
s14, conveying the material rods to a low-temperature roasting box;
when the temperature of the material rod out of the heating cavity of the intermediate frequency furnace is in a qualified temperature range, executing the following steps:
and S15, conveying the material rods to a material taking point of the roll forging machine.
9. The automatic production method for shaft forging according to claim 7 or 8, wherein the step 3 specifically comprises the steps of:
s31, the first mechanical arm conveys the blank from the roll forging machine to a preforging die of a preforging press;
s32, judging whether the first mechanical arm exits from the working area of the pre-forging press or not;
when the first mechanical arm exits from the working area of the pre-forging press, executing the following steps:
s33, forging the blank by a pre-forging press to form a pre-forged blank;
s34, the second mechanical arm conveys the pre-forging blank to a finish forging die of the finish forging press from the pre-forging press;
s35, judging whether the second mechanical arm exits from the working area of the pre-forging press or not;
when the second mechanical arm exits from the working area of the pre-forging press, executing the following steps:
and S36, lubricating and cooling the pre-forging die.
10. The automated production method for shaft forging according to claim 9, further comprising, after step 34, the steps of:
s37, forging the pre-forging blank by a finish forging press to form a finish forging blank;
s38, the finish forging blank is conveyed to the transfer platform by the finish forging press by the second mechanical arm;
s39, judging whether the second mechanical arm exits from the working area of the finish forging press or not;
when the second mechanical arm exits the working area of the finish forging press, executing the following steps:
and S310, lubricating and cooling the finish forging die.
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CN112756530A (en) * | 2020-12-25 | 2021-05-07 | 章丘市普锐锻压有限公司 | Forging process and forging production line |
CN112756530B (en) * | 2020-12-25 | 2022-07-22 | 章丘市普锐锻压有限公司 | Forging process and forging production line |
CN113319237A (en) * | 2021-05-26 | 2021-08-31 | 苏州虹逸重工科技有限公司 | Automatic servo numerical control forging line of car semi-axis |
CN113798426A (en) * | 2021-08-29 | 2021-12-17 | 湖北三环锻造有限公司 | Knuckle hot forging side cut automatic production line |
CN113798426B (en) * | 2021-08-29 | 2023-08-01 | 湖北三环锻造有限公司 | Automatic production line for hot forging and trimming of knuckle |
CN113732228A (en) * | 2021-10-21 | 2021-12-03 | 余国平 | Forging and pressing automatic production line |
CN113732228B (en) * | 2021-10-21 | 2023-09-08 | 余国平 | Forging and pressing automated production assembly line |
CN115608910A (en) * | 2022-12-20 | 2023-01-17 | 南宫市精强连杆有限公司 | Automatic forging production system for connecting rod and control method |
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