CN116274830B - Hot forging die of forging automatic line - Google Patents
Hot forging die of forging automatic line Download PDFInfo
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- CN116274830B CN116274830B CN202310581362.3A CN202310581362A CN116274830B CN 116274830 B CN116274830 B CN 116274830B CN 202310581362 A CN202310581362 A CN 202310581362A CN 116274830 B CN116274830 B CN 116274830B
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- 238000005242 forging Methods 0.000 title claims abstract description 68
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 238000003825 pressing Methods 0.000 claims abstract description 19
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000001179 sorption measurement Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010017472 Fumbling Diseases 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
- B21J13/14—Ejecting devices
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention specifically discloses a hot forging die of a forging automatic line, which comprises a lower die, a plurality of ejector rods and a driving mechanism, wherein the ejector rods are arranged along the circumferential direction of the lower die, and the driving mechanism is used for driving the ejector rods to lift; the driving mechanism comprises a base, a swinging rod and a driving rod, wherein the top rod is arranged on the base, the middle part of the swinging rod is hinged below the lower die, a first sliding groove and a second sliding groove which extend along the length direction of the swinging rod are respectively arranged at two ends of the swinging rod, the base is connected with a second pin shaft which is inserted in the first sliding groove, the lower end of the driving rod is connected with a second pin shaft which is inserted in the second sliding groove, the upper end of the driving rod extends out from a vertical sliding way on the workbench, and the driving rod is in sliding fit with the vertical sliding way; one side of the clamping jaw of the truss robot is provided with a pressing plate, and when in operation, the pressing plate vertically ascends and descends along with the clamping jaw is contacted with the upper end part of the driving rod. The automatic ejection of the connecting rod can be realized, and the clamping and transferring of the hot material in the production process of forging the connecting rod can be realized by the truss robot.
Description
Technical Field
The invention relates to the technical field of forging equipment, in particular to a hot forging die of a forging automatic line.
Background
The hot forging die for manual forging is divided into an upper die and a lower die, the upper die and the lower die are respectively provided with a bin part and a bridge part, and meanwhile, gaps are reasonably designed between the upper die and the lower die, so that the size and the weight of a connecting rod forging piece are stable, meanwhile, a rough type and a press-in type combined design is adopted for the upper die cavity and the lower die cavity for pre-forging, the circumference of each section outline of the pre-forging is ensured to be not larger than that of the final forging, and the defects of folding, cracking, unfilled metal streamline disorder and the like of the forging piece are avoided.
With the development of the modern automobile industry, the requirements of a host factory on the stability and consistency of product quality are higher and higher. The requirement to the connecting rod forging is also constantly improving, but at present forging production environment is abominable relatively, and first-line operating personnel is deficient, and the production process needs many people to operate, and intensity of labour is big, and the uniformity of forging is also not good assurance, for better satisfying market demand, wins market competition, replaces artifical forging through realizing automatic, liberates productivity simultaneously in the uniformity of effectual assurance product.
At present, the manual forging die for the connecting rod has a deep die design experience, and the development of the automatic forging hot forging die for the connecting rod is still in an exploration stage, and the practical experience is still in a fumbling stage; the automatic connecting rod die forging process in the automatic die forging production process is that the cooperation operation of truss manipulator and robot is needed, the roller blank is placed on flattening fixture, after flattening, the robot places the roller blank on the pre-forging die cavity, after forging and pressing, the pre-forging die cavity needs the robot to transfer the connecting rod to the final forging die cavity again for forging and pressing, because the robot is different from manual operation, a certain clamping space is needed when the connecting rod is transferred in the clamping mode, the hot forging die needs to design a die with the connecting rod ejection function, and therefore the connecting rod is transferred through the robot.
Disclosure of Invention
The hot forging die of the forging automatic line can automatically eject the connecting rod to provide a yielding space for clamping by the truss robot, so that the truss robot can clamp and transport hot materials in the production process of forging the connecting rod, and the operation of workers is not needed; in addition, through the automatic realization of die forging process, better assurance forging quality's uniformity and stability, guarantee product quality, reduce intensity of labour, use manpower sparingly resource, improvement production efficiency.
To achieve the above object, the present application provides:
the hot forging die of the forging automatic line comprises a lower die arranged on a workbench and provided with a flash groove, a plurality of ejector rods and a driving mechanism, wherein the ejector rods are circumferentially arranged along the lower die, and the driving mechanism is used for driving the ejector rods to lift so as to enable the ejector rods to contact the lower ends of burrs of connecting rods positioned in a die cavity of the lower die;
the driving mechanism comprises a base, a swinging rod and a driving rod, wherein the ejector rod is arranged on the base, the middle part of the swinging rod is hinged below the lower die, a first sliding groove and a second sliding groove which extend along the length direction of the swinging rod are respectively formed in two ends of the swinging rod, the base is connected with a first pin shaft which is inserted into the first sliding groove, the lower end of the driving rod is connected with a second pin shaft which is inserted into the second sliding groove, the upper end of the driving rod extends out from a vertical sliding way on the workbench, and the driving rod is in sliding fit with the vertical sliding way;
wherein, one side of the clamping jaw of truss robot is equipped with the clamp plate, and during operation, the upper end tip contact of clamp plate and actuating lever along with the vertical lift of clamping jaw.
Further, the number of the ejector rods is 4, 4 ejector rods are respectively arranged at the edges of the bridge parts of the big head and the bridge parts of the small head and the tail of the lower die and the bridge parts of the two sides of the rib part, and the lower die is provided with sliding holes for the ejector rods to vertically slide.
Further, the device also comprises a reset mechanism for driving the ejector rod to reset, and the reset mechanism is connected with the ejector rod.
Further, the reset mechanism comprises a balancing weight arranged on the base.
Further, the upper end tip of actuating lever is equipped with the loading board, just the below of clamp plate is equipped with the buffer board, the buffer board passes through compression spring and is connected with the clamp plate.
The safety mechanism comprises a photoelectric switch arranged at one side of the upper end of the bearing plate, and the buffer plate is provided with a reflecting sheet matched with the photoelectric switch;
the photoelectric switch is electrically connected with the electric push rod through the controller, and in an initial state, the end part of a piston rod of the electric push rod which is vertically arranged is contacted with the upper end of the base.
Further, the lower ends of the 4 ejector rods are hinged with the base, the upper ends of the ejector rods are large and small, the ejector rods positioned at the edge of the big head top bridge part and the ejector rods positioned at the edge of the small head tail bridge part are connected through a first telescopic spring, and the first telescopic spring is used for driving the ejector rods positioned at the edge of the big head top bridge part and the upper ends of the ejector rods positioned at the edge of the small head tail bridge part to have a trend of approaching each other; the connecting rods positioned at the edges of the bridge parts at the two sides of the rib part are connected through a second telescopic spring, and the second telescopic spring is used for driving the upper ends of the connecting rods positioned at the edges of the bridge parts at the two sides of the rib part to have a trend of approaching each other; wherein the diameter of the sliding hole is larger than that of the ejector rod.
Further, the upper end of the ejector rod is provided with a high-temperature-resistant sealing cushion, the upper end of the ejector rod is provided with an adsorption hole communicated with an air hole on the high-temperature-resistant sealing cushion, and the adsorption hole is connected with a negative pressure suction device through a pipe.
Further, the negative pressure suction device is electrically connected with a pressure detection mechanism through a controller, and the pressure detection mechanism is used for detecting the clamping force of the clamping jaw.
Further, the pressure detection mechanism comprises a pressure sensor arranged on the inner side of the clamping arm of the clamping jaw, and the clamping block is connected with the clamping arm through the pressure sensor.
Compared with the background technology, the clamping jaw of the truss robot is utilized to drive the pressing plate to synchronously descend so as to drive the driving rod to vertically descend, and then the swing rod is driven to vertically rotate around the hinging point of the swing rod on the workbench so as to lift the base, so that the ejector rod synchronously ascends, and the ejector rod continuously ascends after contacting the flash, so that the lifting connecting rod is realized, and the clamping jaw is convenient to clamp and transport the connecting rod;
the device can automatically eject the connecting rod to provide a yielding space for clamping by the truss robot, so that the truss robot can clamp and transport hot materials in the production process of forging the connecting rod, and the operation of workers is not needed; in addition, through the automatic realization of die forging process, better assurance forging quality's uniformity and stability, guarantee product quality, reduce intensity of labour, use manpower sparingly resource, improvement production efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings may be obtained according to the provided drawings without inventive effort to a person skilled in the art.
FIG. 1 is a top view of a hot forging die of a forging robot provided in an embodiment of the present application;
FIG. 2 is a front elevational view, in full section, of a hot forging die of a forging robot provided in an embodiment of the present application;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
fig. 5 is a schematic structural view of a ram in a hot forging die of a forging automation line according to an embodiment of the present disclosure.
Wherein:
base 1, electric putter 2, ejector pin 3, workstation 4, slide hole 5, bed die 6, connecting rod 7, clamping jaw 8, arm lock 801, clamp plate 9, compression spring 10, reflection of light piece 11, photoelectric switch 12, loading board 13, actuating lever 14, stopper 15, second spout 16, second round pin axle 17, pendulum rod 18, first spout 19, first round pin axle 20, balancing weight 21, first expansion spring 22, second expansion spring 23, big end top 24, muscle portion 25, little end to end 26.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
In order to better understand the aspects of the present application, a further detailed description of the present application will be provided below with reference to the accompanying drawings and detailed description.
As shown in fig. 1 to 5, a first embodiment of the present application provides a hot forging die of a forging automatic line, which includes a lower die 6 disposed on a workbench 4 and having flash grooves, a plurality of ejector rods 3 and a driving mechanism, wherein the plurality of ejector rods 3 are circumferentially disposed along the lower die 6, and the driving mechanism is used for driving the ejector rods 3 to lift and lower the ejector rods 3 to contact the lower ends of burrs of a connecting rod 7 located in a die cavity of the lower die 6; the driving mechanism comprises a base 1, a swinging rod 18 and a driving rod 14, wherein the ejector rod 3 is arranged on the base 1, the middle part of the swinging rod 18 is hinged below the lower die 6, a first sliding groove 19 and a second sliding groove 16 which extend along the length direction of the swinging rod are respectively arranged at two ends of the swinging rod 18, the base 1 is connected with a first pin shaft 20 which is inserted into the first sliding groove 19, the lower end of the driving rod 14 is connected with a second pin shaft 17 which is inserted into the second sliding groove 16, the upper end of the driving rod 14 extends out from a vertical sliding way on the workbench 4, and the driving rod 14 is in sliding fit with the vertical sliding way; wherein, one side of truss robot's clamping jaw 8 is equipped with clamp plate 9, and during operation, the upper end tip contact of clamp plate 9 and actuating lever 14 along with clamping jaw 8 vertical lift.
Since the lower die 6 has a flash groove, flash can be generated during forging, which is common knowledge; the ejector rod 3 positioned below the connecting rod 7 is driven by the driving mechanism to vertically lift the connecting rod 7 positioned in the die cavity of the lower die 6, so that a space for the clamping jaw 8 to enter is formed between the connecting rod 7 and the lower die 6, and the clamping jaw 8 can clamp the connecting rod 7;
specifically, the clamping jaw 8 of the truss robot moves to the position right above the lower die 6 to drive the clamping jaw 8 to vertically lift so as to take and place the connecting rod 7, then through setting up the pressing plate 9 on one side of the clamping jaw 8, when the pressing plate 9 descends along with the clamping jaw 8, the driving rod 14 is extruded downwards to drive the driving rod 14 to vertically slide downwards, thereby driving the swing rod 18 to rotate around the hinge point below the workbench 4, realizing upward pushing of the base 1, then the ejector rod 3 contacts the flash of the connecting rod 7 in the die cavity of the lower die 6 and lifts, so that the connecting rod 7 enters between a pair of clamping arms 801 of the clamping jaw 8, and the clamping can be realized by subsequently controlling the pair of clamping arms 801 to be close to each other.
As to how to arrange the positions of the pressing plate 9 and the driving rod 14, there is no technical problem for the person skilled in the art, as long as the pressing plate 9 is ensured to contact the upper end part of the ejector rod 3 in the process of lifting the clamping jaw 8.
When the hot forging die of the forging automatic line provided by the invention is applied, the clamping jaw 8 is utilized to drive the pressing plate 9 to synchronously descend so as to drive the driving rod 14 to vertically descend, and then the swing rod 18 is driven to vertically rotate around the hinging point of the swing rod on the workbench 4 so as to lift the base 1 and synchronously lift the ejector rod 3, so that the ejector rod 3 is utilized to continuously lift after contacting with flash, the lifting connecting rod 7 is realized, and the clamping jaw 8 is convenient for clamping and transferring the connecting rod 7;
the device can automatically eject the connecting rod 7 to provide a yielding space for clamping by the truss robot, so that the truss robot can clamp and transport hot materials in the production process of forging the connecting rod 7, and the operation of workers is not needed; in addition, through the automatic realization of die forging process, better assurance forging quality's uniformity and stability, guarantee product quality, reduce intensity of labour, use manpower sparingly resource, improvement production efficiency.
On the basis of the embodiment, the number of the ejector rods 3 is 4, 4 ejector rods 3 are respectively arranged on the bridge edge of the big head top 24, the bridge edge of the small head tail 26 and the bridge edges on two sides of the rib part 25 of the lower die 6, and the lower die 6 is provided with slide holes 5 for vertically sliding the ejector rods 3.
Through the position distribution of 4 ejector rods 3, the connecting rod 7 positioned in the die cavity of the lower die 6 can be uniformly stressed, and the ejector rods 3 are driven to synchronously lift through the base 1, so that the connecting rod 7 is lifted in a flat manner, and the connecting rod 7 can be prevented from falling obliquely in the lifting process.
On the basis of the embodiment, the device also comprises a reset mechanism for driving the ejector rod 3 to reset, and the reset mechanism is connected with the ejector rod 3; that is, when the clamping jaw 8 clamps the connecting rod 7 to be separated from the ejector rod 3, the reset mechanism drives the ejector rod 3 to descend and reset so as to forge the next connecting rod 7.
Preferably, the reset mechanism comprises a balancing weight 21 arranged on the base 1, the balancing weight 21 is fixedly arranged on the base 1 through bolt connection, and when the reset mechanism works, the base 1 descends and resets under the action of the balancing weight 21 after the pressing plate 9 is separated from the driving rod 14;
wherein, the part of the driving rod 14 on the workbench 4 is provided with a limiting block 15, and when the ejector rod 3 is in an initial state, the lower end of the limiting block 15 is contacted with the upper end of the workbench 4.
On the basis of the embodiment, the upper end part of the driving rod 14 is provided with a bearing plate 13, and a buffer plate is arranged below the pressing plate 9 and is connected with the pressing plate 9 through a compression spring 10;
in operation, the pressing plate 9 contacts the bearing plate 13 through the buffer plate and then presses downwards to drive the driving rod 14; wherein, the buffer board is connected with the guide bar that slides and alternates the mounting hole on clamp plate 9, just the upper end of guide bar is connected with stop nut, and compression spring 10 suit is located the part between clamp plate 9 and the buffer board in the guide bar, can realize the cushioning effect through compression spring 10, avoids violent striking between clamp plate 9 and the loading board 13.
On the basis of the embodiment, the safety device further comprises a safety mechanism, wherein the safety mechanism comprises a photoelectric switch 12 arranged on one side of the upper end of a bearing plate 13, and the buffer plate is provided with a reflecting sheet 11 matched with the photoelectric switch 12;
the photoelectric switch 12 is electrically connected with the electric push rod 2 through a controller, and in an initial state, the end part of a piston rod of the electric push rod 2 arranged vertically is contacted with the upper end of the base 1.
The photoelectric switch 12 is arranged in the area of the bearing plate 13, which is not in contact with the buffer plate, so as to detect whether the bearing plate 13 is extruded by the buffer plate, if the bearing plate 13 is extruded by the buffer plate, the photoelectric switch 12 identifies the reflecting plate, and the controller receives a signal transmitted by the photoelectric switch 12 to control the electric push rod 2 to shrink, so that the base 1 can normally lift; if the non-buffer plate presses the bearing plate 13, the photoelectric switch 12 has no signal, and the electric push rod 2 keeps an original state so as to limit the base 1 and avoid the connection rod 7 from being ejected out of the lower die 6 due to false touch.
On the basis of the embodiment, the lower ends of the 4 ejector rods 3 are hinged with the base 1, the upper ends of the ejector rods 3 are in a reverse cone shape, the ejector rods 3 positioned at the edge of the big-end top bridge part and the ejector rods 3 positioned at the edge of the small-end tail part 26 bridge part are connected through the first telescopic springs 22, so that the ejector rods 3 positioned at the edge of the big-end top bridge part and the ejector rods 3 positioned at the edge of the small-end tail part 26 bridge part can swing on the same vertical plane, and the first telescopic springs 22 are used for driving the ejector rods 3 positioned at the edge of the big-end top bridge part and the upper ends of the ejector rods 3 positioned at the edge of the small-end tail part 26 bridge part to have a trend of approaching each other; the connecting rods 7 positioned at the bridge part edges at the two sides of the rib part 25 are connected through a second telescopic mechanism, so that the connecting rods 7 positioned at the bridge part edges at the two sides of the rib part 25 swing in the same vertical plane, and the second telescopic springs 23 are used for driving the upper ends of the connecting rods 7 positioned at the bridge part edges at the two sides of the rib part 25 to have a trend of approaching each other; the diameter of the sliding hole 5 is larger than that of the ejector rod 3;
during operation, 4 ejector rods 3 can be utilized to form a clamping gesture so as to clamp the connecting rod 7 when abutting against the flash of the connecting rod 7, the lifting connecting rod 7 is more stable, and the connecting rod 7 is prevented from falling obliquely in the lifting process due to uneven flash thickness.
The upper end of the ejector rod 3 is provided with an outwards convex cambered surface, so that the friction force between the ejector rod 3 and the flash is reduced, and the upper end part of the ejector rod 3 can slide towards the direction close to the connecting rod 7 under the action of the first telescopic spring 22 or the second telescopic spring 23.
In the second embodiment, a high-temperature-resistant sealing cushion is arranged at the upper end of the ejector rod 3, an adsorption hole communicated with an air hole on the high-temperature-resistant sealing cushion is arranged at the upper end of the ejector rod 3, and the adsorption hole is connected with a negative pressure suction device pipe; the flash can be adsorbed by negative pressure to stably lift the connecting rod 7, so that accidental falling is avoided;
specifically, the negative pressure suction device is electrically connected with a pressure detection mechanism through a controller, and the pressure detection mechanism is used for detecting the clamping force of the clamping jaw 8; the pressure detection mechanism comprises a pressure sensor arranged on the inner side of the clamping arm 801 of the clamping jaw 8, and the clamping block is connected with the clamping arm 801 through the pressure sensor; the negative pressure suction device can be a vacuum pump;
when the clamping force of the clamping jaw 8 detected by the pressure sensor meets the preset requirement in operation, the clamping connecting rod 7 is considered to be completed, and at the moment, the controller controls the negative pressure suction device to stop running, so that the clamping connecting rod 7 of the clamping jaw 8 is separated from the ejector rod 3.
It should be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The present invention has been described in detail above. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (6)
1. The hot forging die of the automatic forging line comprises a lower die which is arranged on a workbench and is provided with a flash groove, and is characterized by further comprising 4 ejector rods and a driving mechanism, wherein the 4 ejector rods are respectively arranged at the edges of a big head top bridge part, a small head tail bridge part and two sides of a rib part of the lower die, the lower die is provided with a slide hole for the ejector rods to vertically slide, and the driving mechanism is used for driving the ejector rods to lift so as to enable the ejector rods to contact the lower ends of the flash of the connecting rods in a die cavity of the lower die;
the driving mechanism comprises a base, a swinging rod and driving rods, wherein the lower ends of 4 ejector rods are hinged with the base, the middle part of each swinging rod is hinged below a lower die, the two ends of each swinging rod are respectively provided with a first sliding groove and a second sliding groove which extend along the length direction of each swinging rod, the base is connected with a first pin shaft inserted in the first sliding groove, the lower ends of the driving rods are connected with a second pin shaft inserted in the second sliding grooves, and the upper ends of the driving rods extend out from vertical sliding ways on a workbench and are in sliding fit with the vertical sliding ways;
wherein, one side of the clamping jaw of the truss robot is provided with a pressing plate;
the upper end part of the driving rod is provided with a bearing plate, a buffer plate is arranged below the pressing plate, and the buffer plate is connected with the pressing plate through a compression spring; when the clamping jaw is in operation, the pressing plate vertically rises and falls along with the clamping jaw, and the pressing plate contacts the bearing plate through the buffer plate so as to be extruded downwards to drive the driving rod;
the safety mechanism comprises a photoelectric switch arranged at one side of the upper end of the bearing plate, and the buffer plate is provided with a reflecting sheet matched with the photoelectric switch;
the photoelectric switch is electrically connected with the electric push rod through the controller, and in an initial state, the end part of a piston rod of the electric push rod which is vertically arranged is contacted with the upper end of the base;
the photoelectric switch is arranged in the area, which is not in contact with the buffer plate, of the bearing plate so as to detect whether the bearing plate is extruded by the buffer plate, if the bearing plate is extruded by the buffer plate, the photoelectric switch recognizes the reflecting plate, and the controller receives a signal transmitted by the photoelectric switch so as to control the electric push rod to shrink, so that the base can normally lift; if the non-buffer plate extrudes the bearing plate, the photoelectric switch has no signal, and the electric push rod keeps an original state so as to limit the base and avoid the connecting rod from ejecting out of the lower die due to false collision;
the upper end of the ejector rod is big-end-up, the ejector rods positioned at the edge of the big-end top bridge part and the ejector rods positioned at the edge of the small-end tail bridge part are connected through a first telescopic spring, and the first telescopic spring is used for driving the ejector rods positioned at the edge of the big-end top bridge part and the upper ends of the ejector rods positioned at the edge of the small-end tail bridge part to have a trend of approaching each other; the connecting rods positioned at the edges of the bridge parts at the two sides of the rib part are connected through a second telescopic spring, and the second telescopic spring is used for driving the upper ends of the connecting rods positioned at the edges of the bridge parts at the two sides of the rib part to have a trend of approaching each other; wherein the diameter of the sliding hole is larger than that of the ejector rod.
2. The hot forging die of the forging automatic line as recited in claim 1, further comprising a reset mechanism for driving the ejector pin to reset, the reset mechanism being connected to the ejector pin.
3. The hot forging die of the forging automatic line as recited in claim 2, wherein the reset mechanism includes a weight block mounted to the base.
4. The hot forging die of the forging automatic line according to claim 1, wherein the upper end of the ejector rod is provided with a high-temperature-resistant sealing cushion, and the upper end of the ejector rod is provided with an adsorption hole communicated with an air hole on the high-temperature-resistant sealing cushion, and the adsorption hole is connected with a negative pressure suction device pipe.
5. The hot forging die of a forging automatic line as recited in claim 4, wherein the negative pressure suction device is electrically connected to a pressure detecting mechanism for detecting a gripping force of the gripping jaws through a controller.
6. The hot forging die of the forging automatic line as recited in claim 5, wherein the pressure detecting mechanism includes a pressure sensor provided inside a clamp arm of the jaw, and the clamp block is connected to the clamp arm through the pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310581362.3A CN116274830B (en) | 2023-05-23 | 2023-05-23 | Hot forging die of forging automatic line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310581362.3A CN116274830B (en) | 2023-05-23 | 2023-05-23 | Hot forging die of forging automatic line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116274830A CN116274830A (en) | 2023-06-23 |
| CN116274830B true CN116274830B (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310581362.3A Active CN116274830B (en) | 2023-05-23 | 2023-05-23 | Hot forging die of forging automatic line |
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| JP2000094084A (en) * | 1998-09-17 | 2000-04-04 | Aida Eng Ltd | Knock out auxiliary device |
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| CN213379059U (en) * | 2020-08-27 | 2021-06-08 | 嘉兴市金龙制伞股份有限公司 | High-precision nut cold heading forming device |
| CN214442763U (en) * | 2021-01-17 | 2021-10-22 | 江阴市恩熠机械制造有限公司 | Forging mechanism of high-speed forging machine |
| CN214920176U (en) * | 2021-06-15 | 2021-11-30 | 辽宁五一八内燃机配件有限公司 | Die forging bent axle overlap liftout device |
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| JP2008221268A (en) * | 2007-03-12 | 2008-09-25 | Kurimoto Ltd | Knockout apparatus for forming press |
| CN211135379U (en) * | 2019-12-12 | 2020-07-31 | 青岛松田锻压机械有限公司 | Slide block return stroke follow-up type ejection mechanism |
| CN213379059U (en) * | 2020-08-27 | 2021-06-08 | 嘉兴市金龙制伞股份有限公司 | High-precision nut cold heading forming device |
| CN214442763U (en) * | 2021-01-17 | 2021-10-22 | 江阴市恩熠机械制造有限公司 | Forging mechanism of high-speed forging machine |
| CN214920176U (en) * | 2021-06-15 | 2021-11-30 | 辽宁五一八内燃机配件有限公司 | Die forging bent axle overlap liftout device |
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|---|---|
| CN116274830A (en) | 2023-06-23 |
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