Full-automatic forging production line for connecting rod parts

Abstract

The invention discloses a full-automatic forging production line for connecting rod parts. The production line comprises an automatic feeding machine, an intermediate frequency heating furnace, a roll forging machine, a first mechanical arm, a die forging press machine, a second mechanical arm, a fifth mechanical arm, a temperature control cooling line, a fourth mechanical arm, a trimming and punching press machine, a third mechanical arm, a bar positioning slide way, a descaling machine and an intermediate frequency furnace slide way. The automatic feeding machine, the intermediate frequency heating furnace, the roll forging machine and the descaling machine form a heating area. The first mechanical arm, the die forging press, the second mechanical arm, the fourth mechanical arm, the trimming and punching press, the third mechanical arm and the bar positioning slide form a forming area, the forging and pressing process is divided into four procedures of pre-forging, finish-forging, trimming and punching correction, and forgings at all stations are transferred in order through mechanical arm equipment. And the fifth manipulator and the temperature control cooling line form a heat treatment area. The full-automatic forging production line for the connecting rod type parts is reasonable in layout, high in automation degree and good in stability, the amount of labor used for forging operation is greatly reduced, the labor intensity of workers is relieved, and the product quality and the production efficiency can be improved.

Description

Technical Field

[0001] The invention belongs to the technical field of high temperature forging, in particular to a fully automated forging production line for connecting rod parts. Background Art

[0002] At present, the automation level of the domestic forging industry is relatively low. Most companies mainly rely on manual production or auxiliary manual production of special machines and partially automated units. In recent years, with the development of science and technology, people have higher and higher requirements for the automation level of the entire line, the production efficiency and quality of forgings. At the same time, with the continuous increase in labor costs, safety and environmental protection pressures, it is increasingly difficult for companies to hire workers and the quality instability of manual forging products is becoming increasingly prominent. In order to improve the automation level of the production line and the stability of forging quality, the research on the fully automated forging production line for connecting rod parts is conducive to improving the automation rate and production efficiency of the forging production line and improving product quality. Summary of the invention

[0003] The purpose of the present invention is to provide a fully automated forging production line for connecting rod parts, so as to solve the problems of low automation, low productivity and large floor space of traditional manual forging production lines and robot single-station forging production lines.

[0004] The technical solution for achieving the purpose of the present invention is: a fully automated forging production line for connecting rod parts, the production line includes three parts: a heating zone, a forming zone and a heat treatment zone, the production line includes an automatic loader, a medium frequency heating furnace, a roll forging machine, a first manipulator, a die forging press, a second manipulator, a fifth manipulator, a temperature-controlled cooling line, a fourth manipulator, a trimming and punching press, a third manipulator, a bar positioning slide, a descaling machine, and a medium frequency furnace slide; wherein the automatic loader, the medium frequency heating furnace, the roll forging machine and the descaling machine constitute the heating zone, the first manipulator, the die forging press, the second manipulator, the fourth manipulator, the trimming and punching press, the third manipulator, and the bar positioning slide constitute the forming zone, the forging process is divided into four processes: pre-forging, final forging, trimming and punching correction, and the forgings at each workstation are transferred in an orderly manner through each manipulator, and the fifth manipulator and the temperature-controlled cooling line constitute the heat treatment zone.

[0005] Furthermore, the automatic loader includes a tipping hopper, a silo, a rubbing plate device, a conveying device and a hydraulic station. The tipping hopper flips the used rods and places them into the silo. The silo, the rubbing plate device and the conveying device are connected in sequence through structural parts to realize the orderly queueing and forward conveyance of single rods. The hydraulic station is used to provide power for conveying the rods, and the conveying device has the function of preventing double materials and preventing vertical materials.

[0006] Furthermore, the medium frequency heating furnace is connected to the automatic loader, and the medium frequency heating furnace includes a feeding and conveying device, a first clamping roller, a first heating furnace chamber, a second heating furnace chamber, a three-part sorting device, a hexagonal shaft and a second clamping roller. The first clamping roller, the first heating furnace chamber, the second clamping roller and the second heating furnace chamber are sequentially connected to form a heating body. After the rod passes through the heating body, it passes through the hexagonal shaft to achieve the release of slight sticking, and then the rod passes through the three-part sorting device to perform temperature sorting on qualified rods.

[0007] Furthermore, the roll forging machine is connected to the medium frequency heating furnace through the medium frequency furnace slideway. The roll forging machine includes a first frame, and transverse and longitudinal robots installed on the first frame, a frame, a transmission system, rolling rollers, a first mold and a feeding robot. The rods output from the medium frequency heating furnace are fed into the transverse and longitudinal robots through the feeding robots. Driven by the transmission system, the rolling rollers, the first mold and the transverse and longitudinal robots coordinate their movement to cause the rods to be roll forged and deformed. After roll forging, the rods are thrown out by the transverse and longitudinal robots and slide onto the descaling machine.

[0008] Furthermore, the two ends of the descaling machine are respectively connected to the roll forging machine and the bar positioning slide, the bar positioning slide includes a slide and a turning device connected in sequence, the descaling machine includes a descaling machine nozzle and a temperature sensor, the bar output by the roll forging machine passes through the descaling machine nozzle to be descaled, and the temperature of the bar is detected by the temperature sensor, and then the bar slides through the slide to the turning device, and the first manipulator places the bar with qualified temperature inside the die forging press and places the bar with unqualified temperature in the waste frame.

[0009] Furthermore, the die forging press includes a second frame, a first drive system installed on the second frame, a second frame, a first die base and a first braking system, and a second die installed on the first die base. The first drive system is connected to the second frame and the first braking system through a crankshaft to achieve pre-forging and final forging of the connecting rod.

[0010] Furthermore, the trimming and punching press includes a third frame, a second drive system, a second die base, a second braking system installed on the third frame, and a third die installed on the second die base. The drive system is connected to the third frame and the second braking system through a crankshaft to achieve trimming and punching correction of the connecting rod.

[0011] Furthermore, the temperature-controlled cooling line includes a fourth frame, a plate chain, a control cabinet, a fan and a drive motor installed on the fourth frame, the drive motor is connected to the fourth frame through a shaft, and the plate chain rotates with the shaft.

[0012] Furthermore, the first manipulator takes the bar material with qualified temperature in the material turning device and places it on the pre-forging station of the second die of the die forging press. After forging by the die forging press, the second manipulator places the pre-forged workpiece on the final forging station of the second die. After forging by the die forging press, the second manipulator places the final forging workpiece on the transfer table. The third manipulator places the transfer table on the third die of the trimming and punching press. After trimming by the trimming and punching press, the fourth manipulator places the trimming workpiece on the third die. After punching by the trimming and punching press, the fifth manipulator places the punching correction workpiece on the temperature controlled cooling line.

[0013] Compared with the prior art, the present invention has the following significant advantages:

[0014] (1) The overall layout of the present invention is reasonable and can be specifically used for the automated forging production of connecting rod parts.

[0015] (2) The present invention performs temperature sorting again before entering the forging station, which is beneficial to improving the qualified rate of forging products and the quality of forgings.

[0016] (3) The present invention adopts a manipulator handling device to carry forgings, which greatly reduces the number of forging operators, reduces the labor intensity of workers, and helps to improve product quality and production efficiency.

[0017] (4) The present invention realizes continuous automated production from the heating zone, the forming zone to the heat treatment zone, connects the originally independent parts, reduces the logistics transfer in the forging process, and shortens the production cycle.

[0018] The present invention is further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of a fully automated forging production line for connecting rod parts in one embodiment.

[0020] Figure 2 Schematic diagram of an automatic loading machine in one embodiment.

[0021] Figure 3 Schematic diagram of a medium frequency heating furnace in one embodiment.

[0022] Figure 4 Schematic diagram of a roll forging furnace in one embodiment.

[0023] Figure 5 Schematic diagram of a descaling machine in one embodiment.

[0024] Figure 6 Schematic diagram of a die forging press device in one embodiment.

[0025] Figure 7 Schematic diagram of a trimming and punching press device in one embodiment.

[0026] Figure 8 Schematic diagram of a temperature-controlled cooling line in one embodiment. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0028] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0029] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0030] In one embodiment, in combination Figure 1 , provides a fully automated forging production line for connecting rod parts, the production line includes an automatic feeder 1, an intermediate frequency heating furnace 2, a roll forging machine 3, a first manipulator 4, a die forging press 5, a second manipulator 6, a fifth manipulator 7, a temperature-controlled cooling line 8, a fourth manipulator 9, a trimming and punching press 10, a third manipulator 11, a bar positioning slide 12, a descaling machine 13, and an intermediate frequency furnace slide 14; wherein the automatic feeder 1, the intermediate frequency heating furnace 2, the roll forging machine 3 and the descaling machine 13 constitute a heating zone, the first manipulator 4, the die forging press 5, the second manipulator 6, the fourth manipulator 9, the trimming and punching press 10, the third manipulator 11, and the bar positioning slide 12 constitute a forming zone, the forging process is divided into four processes of pre-forging, final forging, trimming and punching correction, the forgings of each station are transferred in an orderly manner through each manipulator, and the fifth manipulator 7 and the temperature-controlled cooling line 8 constitute a heat treatment zone.

[0031] Further, in one embodiment, in combination Figure 2The automatic feeding machine 1 includes a tipping hopper 1-1, a silo 1-2, a rubbing plate device 1-3, a conveying device 1-4 and a hydraulic station 1-5. The tipping hopper 1-1 turns the used rods into the silo 1-2. The silo 1-2, the rubbing plate device 1-3 and the conveying device 1-4 are connected in sequence through structural parts to realize the orderly queueing and forward conveying of single rods. The hydraulic station 1-5 is used to provide power for conveying rods. The conveying device 1-4 has the functions of preventing double materials and preventing vertical materials.

[0032] Further, in one embodiment, in combination Figure 3 The medium frequency heating furnace 2 is connected to the automatic feeder 1, and the medium frequency heating furnace 2 includes a feeding and conveying device 2-1, a first clamping roller 2-2, a first heating furnace chamber 2-3, a second heating furnace chamber 2-4, a three-part sorting device 2-5, a hexagonal shaft 2-6 and a second clamping roller 2-7. The first clamping roller 2-2, the first heating furnace chamber 2-3, the second clamping roller 2-7 and the second heating furnace chamber 2-4 are sequentially connected to form a heating body. After the rod passes through the heating body, it passes through the hexagonal shaft 2-6 to achieve the release of slight sticking, and then the rod passes through the three-part sorting device 2-5 to perform temperature sorting on qualified rods.

[0033] Further, in one embodiment, in combination Figure 4 The roll forging machine 3 is connected to the medium frequency heating furnace 2 through the medium frequency furnace slide 14. The roll forging machine 3 includes a first frame 3-2, and a transverse and longitudinal manipulator 3-1, a frame 3-2, a transmission system 3-3, a rolling roller 3-4, a first mold 3-5 and a feeding manipulator 3-6 installed on the first frame 3-2. The bar material output by the medium frequency heating furnace 2 is fed into the transverse and longitudinal manipulator 3-1 through the feeding manipulator 3-6. Driven by the transmission system 3-3, the rolling roller 3-4, the first mold 3-5 and the transverse and longitudinal manipulator 3-1 coordinate movement to cause the bar material to be roll forged and deformed. After roll forging, the bar material is thrown out by the transverse and longitudinal manipulator 3-1 and slides into the descaling machine 13.

[0034] Further, in one embodiment, in combination Figure 5 The two ends of the descaling machine 13 are respectively connected to the roll forging machine 3 and the bar positioning slide 12. The bar positioning slide 12 includes a slide 12-1 and a turning device 12-2 connected in sequence. The descaling machine 13 includes a descaling machine nozzle 13-1 and a temperature sensor 13-2. The bar output by the roll forging machine 3 is descaled through the descaling machine nozzle 13-1. At the same time, the temperature of the bar is detected by the temperature sensor 13-2. Then, the bar slides through the slide 12-1 to the turning device 12-2. The first manipulator 4 places the bar with qualified temperature inside the die forging press 5 and places the bar with unqualified temperature in the waste frame.

[0035] Further, in one embodiment, in combination Figure 6 The die forging press 5 includes a second frame 5-2, a first drive system 5-1 installed on the second frame 5-2, a second frame 5-2, a first die base 5-4 and a first brake system 5-5, and a second die 5-3 installed on the first die base 5-4. The first drive system 5-1 is connected with the second frame 5-2 and the first brake system 5-5 through a crankshaft to realize pre-forging and final forging of the connecting rod.

[0036] Further, in one embodiment, in combination Figure 7 The trimming and punching press 10 includes a third frame 10-2, a second driving system 10-1, a second die base 10-4, a second braking system 10-5 installed on the third frame 10-2, and a third die 10-3 installed on the second die base 10-4. The driving system 10-1 is connected to the third frame 10-2 and the second braking system 10-5 through a crankshaft to achieve trimming and punching correction of the connecting rod.

[0037] Further, in one embodiment, in combination Figure 8 The temperature-controlled cooling line 8 includes a fourth frame 8-4, a plate chain 8-1, a control cabinet 8-2, a fan 8-3 and a drive motor 8-5 installed on the fourth frame 8-4, the drive motor 8-5 is connected to the fourth frame 8-4 through a shaft, and the plate chain 8-1 rotates with the shaft.

[0038] After passing through the automatic feeder, the bars are queued in an orderly manner and heated in the medium frequency heating furnace. The first manipulator 4 takes the bars with qualified temperature in the turning device 12-2 and places them in the pre-forging station of the second die 5-3 of the die forging press 5. After the die forging press 5 is forged, the second manipulator 6 places the pre-forged workpiece in the final forging station of the second die 5-3. After the die forging press 5 is forged, the second manipulator 6 places the final forging workpiece on the transfer table. The third manipulator 11 places the transfer table on the third die 10-3 of the trimming and punching press 10. After the trimming and punching press 10 is trimmed, the fourth manipulator 9 places the trimming workpiece on the third die 10-3. After the trimming and punching press 10 is punched, the fifth manipulator 7 places the punching correction workpiece on the temperature-controlled cooling line 8.

[0039] The fully automated forging production line for connecting rod parts of the present invention has a reasonable layout, a high degree of automation, good stability, greatly reduces the labor workload of forging operations, reduces the labor intensity of workers, and helps to improve product quality and production efficiency.

[0040] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A fully automated forging production line for connecting rod parts, the production line includes three parts: a heating area, a forming area and a heat treatment area, characterized in that: The production line comprises an automatic loader (1), an intermediate frequency heating furnace (2), a roll forging machine (3), a first manipulator (4), a die forging press (5), a second manipulator (6), a fifth manipulator (7), a temperature-controlled cooling line (8), a fourth manipulator (9), a trimming and punching press (10), a third manipulator (11), a bar positioning slideway (12), a descaling machine (13), and an intermediate frequency furnace slideway (14); wherein the automatic loader (1), the intermediate frequency heating furnace (2), the roll forging machine (3) and the descaling machine (13) constitute a heating zone; the first manipulator (4), the die forging press (5), the second manipulator (6), the fourth manipulator (9), the trimming and punching press (10), the third manipulator (11), and the bar positioning slideway (12) constitute a forming zone; the forging process is divided into four processes of pre-forging, final forging, trimming and punching correction; the forgings at each station are transferred in an orderly manner through each manipulator; the fifth manipulator (7) and the temperature-controlled cooling line (8) constitute a heat treatment zone.

2. The fully automated forging production line for connecting rod parts according to claim 1 is characterized in that: The automatic loading machine (1) comprises a tipping hopper (1-1), a material bin (1-2), a rubbing plate device (1-3), a conveying device (1-4) and a hydraulic station (1-5); the tipping hopper (1-1) turns over the used bar materials and places them into the material bin (1-2); the material bin (1-2), the rubbing plate device (1-3) and the conveying device (1-4) are connected in sequence through structural parts to realize orderly queuing and forward conveying of single bar materials; the hydraulic station (1-5) is used to provide power for conveying the bar materials; and the conveying device (1-4) has the functions of preventing double materials and preventing vertical materials.

3. The fully automated forging production line for connecting rod parts according to claim 1 is characterized in that: The medium frequency heating furnace (2) is connected to the automatic feeder (1), and the medium frequency heating furnace (2) comprises a feeding and conveying device (2-1), a first clamping roller (2-2), a first heating furnace chamber (2-3), a second heating furnace chamber (2-4), a three-part sorting device (2-5), a hexagonal shaft (2-6) and a second clamping roller (2-7). The first clamping roller (2-2), the first heating furnace chamber (2-3), the second clamping roller (2-7) and the second heating furnace chamber (2-4) are sequentially connected to form a heating body. After the rod material passes through the heating body, it passes through the hexagonal shaft (2-6) to achieve the release of slight sticking of the material. After that, the rod material passes through the three-part sorting device (2-5) to perform temperature sorting on qualified rod materials.

4. The fully automated forging production line for connecting rod parts according to claim 1 is characterized in that: The roll forging machine (3) is connected to the medium frequency heating furnace (2) through the medium frequency furnace slideway (14). The roll forging machine (3) comprises a first frame (3-2), and a transverse and longitudinal manipulator (3-1) installed on the first frame (3-2), a frame (3-2), a transmission system (3-3), a rolling roller (3-4), a first die (3-5) and a feeding manipulator (3-6). The bar material output from the medium frequency heating furnace (2) is fed into the transverse and longitudinal manipulator (3-1) through the feeding manipulator (3-6). Driven by the transmission system (3-3), the rolling roller (3-4), the first die (3-5) and the transverse and longitudinal manipulator (3-1) coordinate movement to cause the bar material to be roll forged and deformed. After roll forging, the bar material is thrown out by the transverse and longitudinal manipulator (3-1) and slides into the descaling machine (13).

5. The fully automated forging production line for connecting rod parts according to claim 1 is characterized in that: The two ends of the descaling machine (13) are respectively connected to the roll forging machine (3) and the bar positioning slideway (12); the bar positioning slideway (12) comprises a slideway (12-1) and a material turning device (12-2) which are connected in sequence; the descaling machine (13) comprises a descaling machine nozzle (13-1) and a temperature sensor (13-2); the bar output from the roll forging machine (3) is descaled through the descaling machine nozzle (13-1); and the temperature of the bar is detected by the temperature sensor (13-2); then the bar slides through the slideway (12-1) to the material turning device (12-2); the first manipulator (4) places the bar with qualified temperature inside the die forging press (5) and places the bar with unqualified temperature in a waste frame.

6. The fully automated forging production line for connecting rod parts according to claim 1 is characterized in that: The die forging press (5) comprises a second frame (5-2), a first driving system (5-1) mounted on the second frame (5-2), a second frame (5-2), a first die base (5-4) and a first braking system (5-5), and a second die (5-3) mounted on the first die base (5-4); the first driving system (5-1) is connected to the second frame (5-2) and the first braking system (5-5) via a crankshaft to achieve pre-forging and final forging of a connecting rod.

7. The fully automated forging production line for connecting rod parts according to claim 1 is characterized in that: The trimming and punching press (10) comprises a third frame (10-2), a second drive system (10-1) mounted on the third frame (10-2), a second die base (10-4), a second brake system (10-5), and a third die (10-3) mounted on the second die base (10-4); the drive system (10-1) is connected to the third frame (10-2) and the second brake system (10-5) via a crankshaft to achieve trimming and punching correction of a connecting rod.

8. The fully automated forging production line for connecting rod parts according to claim 1 is characterized in that: The temperature-controlled cooling line (8) comprises a fourth frame (8-4), a plate chain (8-1) mounted on the fourth frame (8-4), a control cabinet (8-2), a fan (8-3) and a drive motor (8-5), wherein the drive motor (8-5) is connected to the fourth frame (8-4) via a shaft, and the plate chain (8-1) rotates along with the shaft.

9. The fully automated forging production line for connecting rod parts according to any one of claims 5 to 8, characterized in that: The first manipulator (4) takes the bar material with qualified temperature in the turning device (12-2) and places it on the pre-forging station of the second die (5-3) of the die forging press (5); after the die forging press (5) performs forging, the second manipulator (6) places the pre-forged workpiece on the final forging station of the second die (5-3); after the die forging press (5) performs forging, the second manipulator (6) places the final forging workpiece on the transfer table; the third manipulator (11) places the transfer table on the third die (10-3) of the trimming and punching press (10); after the trimming and punching press (10) performs trimming, the fourth manipulator (9) places the trimmed workpiece on the third die (10-3); after the trimming and punching press (10) performs punching, the fifth manipulator (7) places the punching correction workpiece on the temperature-controlled cooling line (8).

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