CN210907908U - Hot die forging device - Google Patents
Hot die forging device Download PDFInfo
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- CN210907908U CN210907908U CN201921610228.7U CN201921610228U CN210907908U CN 210907908 U CN210907908 U CN 210907908U CN 201921610228 U CN201921610228 U CN 201921610228U CN 210907908 U CN210907908 U CN 210907908U
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Abstract
The utility model provides a hot die forging device belongs to hot die forging technical field. The utility model discloses an go up the ejector pin, the shaping die, lifting mechanism and clearance mechanism, the lower extreme of going up the ejector pin is equipped with the briquetting, the downside of briquetting is equipped with the shaping terrace die, the side of going up of shaping die is equipped with the recess, the recess is located the shaping terrace die under, the shaping terrace die can stretch into in the recess, the level is provided with the second through-hole in the shaping die, the recess bottom is linked together with the external world through the second through-hole, be equipped with the third through-hole in the shaping die, the third through-hole is located the below of second through-hole, the upper end and the second through-hole of third through-hole intercommunication, the lower extreme and the external world of third through-hole are linked together, lifting mechanism can be with the forging lifting of recess bottom to the top of recess, clearance mechanism can clear away the blank clout. The utility model discloses can improve the precision that blank hot die forges, can also retrieve the blank clout.
Description
Technical Field
The utility model belongs to the technical field of the hot die forging, a hot die forging device is related to.
Background
Hot die forging, which is one of forging techniques, generally refers to a precision forging method in which a metal blank is heated to a temperature higher than the recrystallization temperature of the material, and then the metal blank is plastically formed into a forged piece with a die.
Because the blanks used for forging the same forged piece are different, when the blanks are subjected to die pressing by using the hot die forging device, if the blanks are larger, the forming male die and the forming female die cannot be completely closed, so that the formed forged piece cannot meet the requirement; in addition, the blank excess materials are generally recovered manually, which wastes time and labor.
Disclosure of Invention
The utility model aims at having the above-mentioned problem to current technique, provided a hot die forging device, can improve the hot die forging precision, can also retrieve the blank clout automatically.
The purpose of the utility model can be realized by the following technical proposal:
a hot die forging apparatus comprising: an upper stem, the upper stem having: the pressing block is fixedly arranged at the lower end of the upper ejector rod; the forming male die is fixedly arranged on the lower side surface of the pressing block;
a forming die having: the groove is formed in the upper side face of the forming female die and located right below the forming male die, and the forming male die can extend into the groove; the second through hole is horizontally arranged in the forming concave die, and the bottom of the groove is communicated with the outside through the second through hole; the third through hole is vertically arranged in the forming concave mould and is positioned below the second through hole, the upper end of the third through hole is communicated with the second through hole, and the lower end of the third through hole is communicated with the outside;
the lifting mechanism can lift the forging piece at the bottom of the groove to the top of the groove;
and the clearing mechanism can clear away the blank excess materials entering the second through hole through the third through hole.
In the above hot die forging apparatus, the lifting mechanism includes:
the first through hole is arranged at the bottom of the groove;
the top block is cylindrical and is arranged in the first through hole in a vertically sliding mode, and the top block is connected with the first through hole in a sealing mode;
and the upper end of the lower ejector rod is fixedly connected with the lower side surface of the ejector block.
In the above hot die forging apparatus, further comprising an air injection mechanism, the air injection mechanism comprising:
the annular groove is coaxially arranged on the ejector block, an annular upper sliding groove is formed in the upper side wall of the annular groove, an annular lower sliding groove is formed in the lower side wall of the annular groove, and the upper sliding groove and the lower sliding groove are opposite to each other up and down;
the circular tube is coaxially arranged in the annular groove, the upper end of the circular tube extends into the upper chute, and the lower end of the circular tube extends into the lower chute;
the annular gas collecting box is coaxially arranged on the outer side wall of the circular tube and is positioned in the annular groove, a gas collecting cavity is arranged in the annular gas collecting box and is connected with the gas supply tube, and a plurality of exhaust holes are formed in one side, away from the circular tube, of the annular gas collecting box;
and the driving unit can drive the circular tube to do circular motion along the upper sliding groove and the lower sliding groove.
In the above hot die forging apparatus, the drive unit includes:
the gear ring is coaxially and fixedly arranged on the inner side wall of the circular tube;
the first motor is arranged in the annular groove through the base, an output shaft of the first motor is in transmission connection with the gear ring, the pressing block is provided with a controller, and the first motor is electrically connected with an external power supply through the controller.
In the above hot die forging apparatus, the removing mechanism includes:
the base plate is horizontally and fixedly arranged on the outer side of the forming female die;
the first hydraulic oil cylinder is horizontally arranged on the base plate in a rotating mode through the bearing block, a piston rod of the first hydraulic oil cylinder extends into the second through hole, a movable block is fixedly arranged at the end of the piston rod, a movable rod is horizontally arranged on one side, away from the first hydraulic oil cylinder, of the movable block, and a limiting rod is arranged on the movable block along the length direction of the movable rod;
the sliding block is provided with a sliding hole and sleeved on the movable rod through the sliding hole;
the reset spring is sleeved on the movable rod, one end of the reset spring is fixedly arranged on the movable block, the other end of the reset spring is fixedly arranged on the sliding block, and when the reset spring is in a loose state, one side, far away from the movable block, of the sliding block is flush with the side wall of the groove;
the limiting block is arranged in the second through hole, and when the sliding block slides leftwards to be in contact with the limiting block, the blank excess material adhered to the movable rod is positioned right above the third through hole;
and the pushing mechanism can push the blank excess material above the third through hole into the third through hole.
In the above hot die forging apparatus, the urging mechanism includes:
the mounting cavity is positioned in the forming concave die;
the fourth through hole is vertically arranged in the forming concave mould and is positioned above the second through hole, the upper end of the fourth through hole is communicated with the mounting cavity, the lower end of the fourth through hole is communicated with the second through hole, and the fourth through hole and the third through hole are coaxially arranged;
the second hydraulic cylinder is vertically and fixedly arranged in the installation cavity, a piston rod of the second hydraulic cylinder extends into the fourth through hole, a pushing block is fixedly arranged at the end part of the piston rod, and the pushing block is vertically and slidably arranged in the fourth through hole.
In the hot die forging device, the side wall of the sliding hole is provided with the annular groove, the annular groove is internally provided with the electromagnet, the electromagnet is electrically connected with an external power supply through the controller, and the movable rod is made of a ferromagnetic material.
In the hot die forging device, an annular cavity is arranged in the forming female die, the annular cavity is arranged at the junction of the second through hole and the groove and is coaxial with the second through hole, an electric heating wire is arranged in the annular cavity, and the electric heating wire is electrically connected with an external power supply through a controller.
In foretell hot die forging device, be equipped with the blind hole on the downside of briquetting, the vertical hold-down spring that is equipped with in the blind hole, hold-down spring's lower extreme has set firmly pressure sensor, pressure sensor stretches out the blind hole, pressure sensor is connected with the controller electricity.
Compared with the prior art, the utility model has the advantages of it is following:
1. before the blank is required to be pressed, the electromagnet is started, the magnetic pole of the electromagnet is opposite to the magnetic pole of the movable rod to generate attraction, the sliding block is fixed on the movable rod, one side, away from the movable block, of the sliding block is flush with the side wall of the groove, the blank is placed in the groove, the upper ejector rod is started to push the forming male die to move downwards and be inserted into the groove, the blank is extruded by the forming male die and the forming female die to deform, when the pressure sensor in the blind hole is contacted with the upper side face of the forming female die, the pressure sensor sends a signal to the controller, the controller closes the electromagnet, the sliding block can slide along the movable rod, the forming male die continues to press downwards, blank excess materials are pressed into the second through hole, the sliding block moves towards the left side, the reset spring is compressed, one end of the movable rod extends out of the sliding block to be adhered with the blank excess materials, and, the blank is pressed and formed, and the forging part after being pressed and formed has higher precision due to the removal of the excess material of the blank;
2. when the blank is pressed and formed, an upper ejector rod is started to pull a forming male die to move upwards, when the forming male die is far away from the opening of the groove, a lower ejector rod is started to push an ejector block to slide upwards to lift a forged piece after the pressing and forming, so that the forged piece is separated from blank excess materials entering a second through hole, then a first hydraulic oil cylinder is started to shorten the forged piece, a sliding block is driven by a movable block to slide towards the left side, when the sliding block slides to be in contact with the stopper, the stopper limits the sliding block to move leftwards continuously, the first hydraulic oil cylinder continues to shorten, the movable block and the movable rod continue to move leftwards, so that the movable rod retracts into the sliding hole to be separated from the blank excess materials, the blank excess materials are positioned above a third through hole, at the moment, a second hydraulic oil cylinder is started to extend, the ejector block is pushed to slide downwards along the fourth through hole, so that the blank excess materials adhered to, the recovery of the blank excess materials is realized, and the process is simple and efficient;
3. when the kicking block rebound stretches out the recess bottom, aerify in giving annular gas collecting box through the air supply pipe, the gas in the annular gas collecting box jets out through the exhaust hole, blows to the lateral wall of recess, blows off the impurity on the recess lateral wall, starts first motor simultaneously, drives ring gear and pipe and rotates, makes the rotatory injection in exhaust hole on the annular gas collecting box, produces the cyclone that makes progress in the recess, blows off the recess with the impurity in the recess, avoids influencing the precision of forging.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
FIG. 4 is a schematic view of the structure of the compact in contact with the forming die;
fig. 5 is a schematic structural view when the top block is moved upward.
In the figure, 1, a forming male die; 2. an ejector rod is arranged; 21. briquetting; 211. blind holes; 212. a compression spring; 213. a pressure sensor; 22. a controller; 3. forming a female die; 31. a groove; 32. a first through hole; 33. a second through hole; 331. a limiting block; 34. a third through hole; 35. an annular cavity; 351. an electric heating wire; 4. a lower ejector rod; 41. a top block; 42. an annular groove; 421. an upper chute; 422. a lower chute; 43. a circular tube; 431. a ring gear; 44. A first motor; 441. a gear; 45. an annular gas collection tank; 451. a gas collection cavity; 452. an exhaust hole; 5. a first hydraulic cylinder; 51. a bearing seat; 52. a movable block 521 and a limiting rod; 53. a movable rod; 531. a return spring; 54. a slider; 541. a slide hole; 542. An annular groove; 543. an electromagnet; 6. a die holder; 7. a mounting cavity; 71. a second hydraulic cylinder; 72. pushing the pushing block; 73. a fourth via hole; 8. and (5) blank.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 5, a hot die forging apparatus includes an upper ejector pin 2, a forming die 3, a lifting mechanism, and a removing mechanism.
The upper ejector rod 2 is arranged on a hydraulic oil cylinder of a lathe, a pressing block 21 is fixedly arranged at the lower end of the upper ejector rod 2, and a forming male die 1 is fixedly arranged on the lower side surface of the pressing block 21.
The forming female die 3 is arranged on a lathe through a die holder 6, the forming female die 3 comprises a groove 31, a second through hole 33 and a third through hole 34, the groove 31 is arranged on the upper side surface of the forming female die 3, the groove 31 is positioned under the forming male die 1, the forming male die 1 can extend into the groove 31, when the compact 21 is in contact with the upper side of the forming die 3, the forming punch 1 and the groove 31 form a die cavity, the second through hole 33 is horizontally arranged in the forming female die 3, the bottom of the groove 31 is communicated with the outside through the second through hole 33, the third through hole 34 is vertically arranged in the forming female die 3 and is positioned below the second through hole 33, the upper end of the third through hole 34 is communicated with the second through hole 33, the lower end of the third through hole 34 is communicated with the outside, and the sliding block 54 is horizontally arranged in the second through hole 33 in a sliding manner.
The lifting mechanism is arranged at the bottom of the groove 31 and can lift the forging at the bottom of the groove 31 to the top of the groove 31.
After blank 8 is press forming, through lifting mechanism with the forging after the shaping lifting to recess 31 top, conveniently take.
The removing mechanism can remove the blank 8 remainder entering the second through hole 33 through the third through hole 34.
The blank 8 is placed into the groove 31, the upper ejector rod 2 is started to push the forming male die 1 to move downwards, the forming male die 1 extends into the groove 31, the blank 8 in the groove 31 is extruded by the forming male die 1 and the forming female die 3 to deform, the blank 8 remainder enters the second through hole 33, finally the blank 8 is pressed and formed, the lifting mechanism is started to separate the formed blank 8 from the blank 8 remainder entering the second through hole 33, then the blank 8 remainder entering the second through hole 33 is removed through the third through hole 34 by the aid of the removing mechanism, hot die forging precision is improved, and the blank 8 remainder can be recycled.
Specifically, the lifting mechanism includes the first through hole 32, the top block 41, and the lower lift pin 4.
The first through hole 32 is provided at the bottom of the groove 31.
The top block 41 is cylindrical and is arranged in the first through hole 32 in a vertically sliding manner, and the top block 41 is connected with the first through hole 32 in a sealing manner.
The upper end of the lower ejector rod 4 is fixedly connected with the lower side surface of the ejector block 41, and the lower ejector rod 4 is arranged on a hydraulic oil cylinder of a lathe.
After the blank 8 is pressed and formed, the lower ejector rod 4 is started to push the ejector block 41 to move upwards, the formed forging part is separated from the blank 8 excess material in the second through hole 33 in a fracture mode, and then the blank 8 excess material in the second through hole 33 is removed by the removing mechanism, so that the blank forming machine is simple and practical.
Specifically, the hot die forging apparatus further includes an air injection mechanism including an annular groove 42, a circular tube 43, an annular air collection tank 45, and a drive unit.
The annular groove 42 is coaxially arranged on the top block 41, an annular upper sliding groove 421 is arranged on the upper side wall of the annular groove 42, an annular lower sliding groove 422 is arranged on the lower side wall of the annular groove 42, and the upper sliding groove 421 and the lower sliding groove 422 are vertically opposite.
The circular tube 43 is coaxially arranged in the annular groove 42, the upper end of the circular tube 43 extends into the upper chute 421, and the lower end of the circular tube 43 extends into the lower chute 422.
The annular gas collection box 45 is coaxially arranged on the outer side wall of the circular tube 43 and is positioned in the annular groove 42, a gas collection cavity 451 is arranged in the annular gas collection box 45, the gas collection cavity 451 is connected with an air supply pipe, the air supply pipe is connected with an external compressed air cylinder, and one side, away from the circular tube 43, of the annular gas collection box 45 is provided with a plurality of exhaust holes 452.
The driving unit can drive the circular tube 43 to move circularly along the upper chute 421 and the lower chute 422.
The ejector pin 4 promotes kicking block 41 and upwards moves under the start, make annular groove 42 stretch out the bottom of recess 31, open the compressed gas cylinder, aerify in giving annular gas collecting tank 45 through the air supply pipe, the gas in the gas collecting chamber 451 sprays away through exhaust hole 452, strike the impurity on the recess 31 lateral wall, start the drive unit simultaneously, drive pipe 43 and annular gas collecting tank 45 and rotate, make the rotatory injection of exhaust hole 452 on the annular gas collecting tank 45, produce the cyclone that makes progress in the recess 31, blow off recess 31 with the impurity in the recess 31, avoid impurity to influence the quality of forging.
Specifically, the drive unit includes a ring gear 431 and the first motor 44.
The ring gear 431 is coaxially fixed on the inner side wall of the circular tube 43.
The first motor 44 is arranged in the annular groove 42 through a base, an output shaft of the first motor 44 is fixedly connected with a gear 441, the gear 441 is meshed with the gear ring 431, the pressing block 21 is provided with a controller 22, and the first motor 44 is electrically connected with an external power supply through the controller 22.
The first motor 44 is started to drive the gear 441 to rotate, the gear 441 drives the gear ring 431 and the circular tube 43 to rotate, the annular gas collecting box 45 on the circular tube 43 rotates, the exhaust holes 452 are enabled to spray gas in a rotating mode, impurities in the groove 31 are removed, and the gas collecting device is simple and practical.
Specifically, the clearing mechanism comprises a base plate 6, a first hydraulic oil cylinder 5, a sliding block 54, a return spring 531, a limiting block 331 and a pushing mechanism.
The base plate 6 is horizontally and fixedly arranged on the outer side of the forming female die 3.
The first hydraulic oil cylinder 5 is horizontally and rotatably arranged on the die holder 6 through a bearing seat 51, a piston rod of the first hydraulic oil cylinder 5 extends into the second through hole 33, a movable block 52 is fixedly arranged at the end of the piston rod, a movable rod 53 is horizontally arranged on one side, far away from the first hydraulic oil cylinder 5, of the movable block 52, a limiting rod 521 is arranged on the movable block 52 along the length direction of the movable rod 53, and preferably, the first hydraulic oil cylinder 5 is an electro-hydraulic oil cylinder.
The sliding block 54 is provided with a sliding hole 541, and the sliding block 54 is sleeved on the movable rod 53 through the sliding hole 541.
The return spring 531 is sleeved on the movable rod 53, one end of the return spring 531 is fixed on the movable block 52, the other end of the return spring 531 is fixed on the sliding block 54, and when the return spring 531 is in a loose state, one side of the sliding block 54 far away from the movable block 52 is flush with the side wall of the groove 31.
The limiting block 331 is arranged in the second through hole 33, when the sliding block 54 slides leftwards to contact the limiting block 331, the blank 8 remainder adhered to the movable rod 53 is located right above the third through hole 34.
The pushing mechanism can push the residual blank 8 above the third through hole 34 into the third through hole 34.
Before the blank 8 needs to be pressed, under the action of the return spring 531, one side of the sliding block 54, which is far away from the movable block 52, is flush with the side wall of the groove 31, the blank 8 is placed in the groove 31, the upper ejector rod 2 is started to push the forming punch 1 to move downwards and be inserted into the groove 31, the blank 8 is extruded by the forming punch 1 and the forming die 3 to deform, the excess blank 8 is pressed into the second through hole 33, the sliding block 54 moves towards the left side, the return spring 531 is compressed, one end of the movable rod 53 extends out of the sliding block 54 and is adhered with the excess blank 8, after the blank 8 is pressed and formed, the upper ejector rod 2 is started to pull the forming punch 1 to move upwards, when the forming punch 1 is far away from the opening of the groove 31, the lower ejector rod 4 is started to push the ejector block 41 to slide upwards, the forged part after being pressed and formed is lifted, so that the forged part is separated from the excess blank 8 entering the second through hole, and then the first hydraulic oil cylinder 5 is started to shorten, the sliding block 54 is driven to slide leftwards by the movable block 52, when the sliding block 54 slides to contact the limit block 331, the limit block 331 limits the sliding block 54 to continue moving leftwards, the first hydraulic oil cylinder 5 continues to shorten, the movable block 52 and the movable rod 53 continue moving leftwards, the movable rod 53 retracts into the sliding hole 541 to be separated from the blank 8 excess, the blank 8 excess is positioned above the third through hole 34, at the moment, the pushing mechanism is started to push the blank 8 excess above the third through hole 34 into the third through hole 34, and the recovery of the blank 8 excess is realized, and the operation is simple and efficient.
Specifically, the pushing mechanism includes a mounting cavity 7, a fourth through hole 73, and a second hydraulic cylinder 71.
The mounting cavity 7 is positioned in the forming female die 3.
The fourth through hole 73 is vertically arranged in the forming female die 3 and located above the second through hole 33, the upper end of the fourth through hole 73 is communicated with the mounting cavity 7, the lower end of the fourth through hole 73 is communicated with the second through hole 33, and the fourth through hole 73 and the third through hole 34 are coaxially arranged.
The second hydraulic cylinder 71 is vertically and fixedly arranged in the mounting cavity 7, a piston rod of the second hydraulic cylinder 71 extends into the fourth through hole 73, the end of the piston rod is fixedly provided with a pushing block 72, the pushing block 72 is arranged in the fourth through hole 73 in a vertically sliding mode, and preferably, the second hydraulic cylinder 71 is an electrohydraulic cylinder.
The second hydraulic oil cylinder 71 is started to extend, the pushing block 72 is pushed to slide downwards along the fourth through hole 73 and extend into the second through hole 33, the blank 8 residual materials adhered to the sliding block 54 are pushed to fall into the third through hole 34, and the operation is simple.
Specifically, an annular groove 542 is formed in a side wall of the sliding hole 541, an electromagnet 543 is disposed in the annular groove 542, the electromagnet 543 is electrically connected to an external power source through the controller 22, and the movable rod 53 is made of a ferromagnetic material.
Before the blank 8 needs to be pressed, the electromagnet 543 is started, the magnetic pole of the electromagnet 543 is opposite to the magnetic pole of the movable rod 53, attraction is generated, the sliding block 54 is fixed on the movable rod 53, one side, far away from the movable block 52, of the sliding block 54 is always flush with the side wall of the groove 31, and the situation that the blank 8 enters the second through hole 33 excessively to affect the integrity of a forged part is avoided.
Specifically, an annular cavity 35 is arranged in the forming concave die 3, the annular cavity 35 is arranged at the junction of the second through hole 33 and the groove 31 and is coaxial with the second through hole 33, an electric heating wire 351 is arranged in the annular cavity 35, and the electric heating wire 351 is electrically connected with an external power supply through the controller 22.
After the blank 8 is pressed and formed, the electric heating wire 351 in the annular cavity 35 is started, the blank 8 excess material at the junction of the second through hole 33 and the groove 31 is heated, so that the forged piece and the blank 8 excess material are easily separated, then the lower ejector rod 4 is started, the ejector block 41 is pushed to move upwards, and the forged piece after being pressed and formed is separated from the blank 8 excess material entering the second through hole 33 in a breaking manner, so that the safety and the reliability are realized.
Specifically, be equipped with blind hole 211 on the downside of briquetting 21, vertically be equipped with pressure spring 212 in the blind hole 211, pressure sensor 213 is fixed and is equipped with to the lower extreme of pressure spring 212, pressure sensor 213 stretches out blind hole 211, pressure sensor 213 is connected with controller 22 electricity.
The upper ejector rod 2 pushes the forming male die 1 to move downwards, when the pressure sensor 213 in the blind hole 211 is in contact with the upper side surface of the forming female die 3, a blank 8 in the groove 31 is to be pressed and formed, the pressure sensor 213 sends a signal to the controller 22, the controller 22 closes the electromagnet 543, excess blank 8 enters the second through hole 33, the forming male die 1 continues to move downwards, the pressure sensor 213 is pressed to move into the blind hole 211 to extrude the compression spring 212, the compression spring 212 is pressed to shrink, when the pressing block 21 is in contact with the upper side surface of the forming female die 3, the blank 8 is pressed and formed, at the moment, the upper ejector rod 2 pulls the pressing block 21 to move upwards, the compression spring 212 is restored to the original installation, the pressure sensor 213 moves downwards to extend out of the blind hole 211 again, the pressure sensor 213 can enable the sliding block 54 to be in an active state when the blank 8 is about to be formed, and prevent the blank 8 from excessively entering the second through, affecting the integrity of the forging.
In the description of this patent, it is to be understood that the terms "upper", "lower", "inner", "outer", and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, which is for convenience in describing the patent and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered limiting of the patent.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (9)
1. A hot die forging apparatus, comprising: an upper post rod (2), the upper post rod (2) having: the pressing block (21), the pressing block (21) is fixedly arranged at the lower end of the upper ejector rod (2); the forming male die (1), the forming male die (1) is fixedly arranged on the lower side surface of the pressing block (21);
a forming die (3), the forming die (3) having: the groove (31) is formed in the upper side face of the forming female die (3), the groove (31) is located right below the forming male die (1), and the forming male die (1) can extend into the groove (31); the second through hole (33), the second through hole (33) is horizontally arranged in the forming concave die (3), and the bottom of the groove (31) is communicated with the outside through the second through hole (33); the third through hole (34) is vertically arranged in the forming female die (3) and is positioned below the second through hole (33), the upper end of the third through hole (34) is communicated with the second through hole (33), and the lower end of the third through hole (34) is communicated with the outside;
a lifting mechanism capable of lifting a forging at the bottom of the groove (31) to the top of the groove (31);
and the clearing mechanism can clear away the blank (8) excess materials entering the second through hole (33) through the third through hole (34).
2. The hot die forging apparatus as claimed in claim 1, wherein the lifting mechanism comprises:
a first through hole (32), the first through hole (32) being provided at the bottom of the groove (31);
the jacking block (41) is cylindrical and is arranged in the first through hole (32) in a vertically sliding mode, and the jacking block (41) is connected with the first through hole (32) in a sealing mode;
the upper end of the lower ejector rod (4) is fixedly connected with the lower side surface of the ejector block (41).
3. The hot die forging apparatus as claimed in claim 2, further comprising an air injection mechanism, the air injection mechanism comprising:
the annular groove (42) is coaxially arranged on the top block (41), an annular upper sliding groove (421) is formed in the upper side wall of the annular groove (42), an annular lower sliding groove (422) is formed in the lower side wall of the annular groove (42), and the upper sliding groove (421) and the lower sliding groove (422) are opposite to each other up and down;
the round pipe (43) is coaxially arranged in the annular groove (42), the upper end of the round pipe (43) extends into the upper sliding groove (421), and the lower end of the round pipe (43) extends into the lower sliding groove (422);
the annular gas collecting box (45) is coaxially arranged on the outer side wall of the circular tube (43) and is positioned in the annular groove (42), a gas collecting cavity (451) is arranged in the annular gas collecting box (45), the gas collecting cavity (451) is connected with an air supply tube, and a plurality of exhaust holes (452) are formed in one side, away from the circular tube (43), of the annular gas collecting box (45);
the driving unit can drive the circular tube (43) to do circular motion along the upper sliding groove (421) and the lower sliding groove (422).
4. The hot die forging apparatus as claimed in claim 3, wherein the driving unit comprises:
the gear ring (431), the said gear ring (431) is fixed on the inboard wall of the round tube (43) coaxially;
the first motor (44) is arranged in the annular groove (42) through the base, an output shaft of the first motor (44) is in transmission connection with the gear ring (431), the pressing block (21) is provided with the controller (22), and the first motor (44) is electrically connected with an external power supply through the controller (22).
5. The hot die forging apparatus as claimed in claim 4, wherein the removing mechanism comprises:
the base plate (6), the said base plate (6) is fixed outside the shaping die (3) horizontally;
the hydraulic support device comprises a first hydraulic oil cylinder (5), wherein the first hydraulic oil cylinder (5) is horizontally and rotatably arranged on a base plate (6) through a bearing seat (51), a piston rod of the first hydraulic oil cylinder (5) extends into a second through hole (33), a movable block (52) is fixedly arranged at the end part of the piston rod, a movable rod (53) is horizontally arranged on one side, away from the first hydraulic oil cylinder (5), of the movable block (52), and a limiting rod (521) is arranged on the movable block (52) along the length direction of the movable rod (53);
the sliding block (54) is provided with a sliding hole (541), and the sliding block (54) is sleeved on the movable rod (53) through the sliding hole (541);
the return spring (531), the return spring (531) is sleeved on the movable rod (53), one end of the return spring (531) is fixedly arranged on the movable block (52), the other end of the return spring (531) is fixedly arranged on the sliding block (54), and when the return spring (531) is in a loose state, one side, away from the movable block (52), of the sliding block (54) is flush with the side wall of the groove (31);
the limiting block (331) is arranged in the second through hole (33), when the sliding block (54) slides leftwards to contact the limiting block (331), the blank (8) excess materials adhered to the movable rod (53) are positioned right above the third through hole (34);
and the pushing mechanism can push the residual blank (8) above the third through hole (34) into the third through hole (34).
6. The hot die forging apparatus as claimed in claim 5, wherein the ejector mechanism comprises:
the mounting cavity (7), the mounting cavity (7) is positioned in the forming concave die (3);
the fourth through hole (73) is vertically arranged in the forming female die (3) and is positioned above the second through hole (33), the upper end of the fourth through hole (73) is communicated with the mounting cavity (7), the lower end of the fourth through hole (73) is communicated with the second through hole (33), and the fourth through hole (73) and the third through hole (34) are coaxially arranged;
the second hydraulic oil cylinder (71), the second hydraulic oil cylinder (71) is vertically and fixedly arranged in the mounting cavity (7), a piston rod of the second hydraulic oil cylinder (71) extends into the fourth through hole (73), the end part of the piston rod is fixedly provided with a pushing block (72), and the pushing block (72) is vertically and slidably arranged in the fourth through hole (73).
7. The hot die forging apparatus according to claim 6, wherein an annular groove (542) is provided on a side wall of the slide hole (541), an electromagnet (543) is provided in the annular groove (542), the electromagnet (543) is electrically connected to an external power source through a controller (22), and the movable rod (53) is made of a ferromagnetic material.
8. The hot die forging device according to claim 7, wherein an annular cavity (35) is arranged in the forming die (3), the annular cavity (35) is arranged at the intersection of the second through hole (33) and the groove (31) and is coaxially arranged with the second through hole (33), an electric heating wire (351) is arranged in the annular cavity (35), and the electric heating wire (351) is electrically connected with an external power supply through a controller (22).
9. The hot die forging device according to claim 8, wherein a blind hole (211) is formed in the lower side surface of the pressing block (21), a compression spring (212) is vertically arranged in the blind hole (211), a pressure sensor (213) is fixedly arranged at the lower end of the compression spring (212), the pressure sensor (213) extends out of the blind hole (211), and the pressure sensor (213) is electrically connected with the controller (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921610228.7U CN210907908U (en) | 2019-09-25 | 2019-09-25 | Hot die forging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921610228.7U CN210907908U (en) | 2019-09-25 | 2019-09-25 | Hot die forging device |
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| Publication Number | Publication Date |
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| CN210907908U true CN210907908U (en) | 2020-07-03 |
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| CN201921610228.7U Expired - Fee Related CN210907908U (en) | 2019-09-25 | 2019-09-25 | Hot die forging device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508738A (en) * | 2019-09-25 | 2019-11-29 | 浙江海洋大学 | A kind of hot-die forging device and hot forging method |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508738A (en) * | 2019-09-25 | 2019-11-29 | 浙江海洋大学 | A kind of hot-die forging device and hot forging method |
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Granted publication date: 20200703 Termination date: 20210925 |