CN213469568U - Electromagnetic pulse bidirectional pressing forming device for cylindrical part - Google Patents
Electromagnetic pulse bidirectional pressing forming device for cylindrical part Download PDFInfo
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- CN213469568U CN213469568U CN202022177043.0U CN202022177043U CN213469568U CN 213469568 U CN213469568 U CN 213469568U CN 202022177043 U CN202022177043 U CN 202022177043U CN 213469568 U CN213469568 U CN 213469568U
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Abstract
The utility model relates to a cylindrical part electromagnetic pulse bidirectional pressing forming device, which comprises an electromagnetic pulse discharging device, a bottom plate, a jack, a punch, a driving sheet, a coil support plate, a side plate, a lower punch, an upper punch, a die, a rotary cylinder, a lead screw and an upper plate; the electromagnetic pulse discharge equipment is connected with the coil and used for discharging electricity to the coil; the coil is wound on the coil carrier plate fixed on the side plate; the side plates symmetrically arranged at the left side and the right side are arranged between the bottom plate and the upper plate; one end of the punch is fixedly mounted with the driving sheet, and the other end of the punch extends to the die; the driving sheet is connected with the coil in a clinging manner; the die is arranged on the rotary cylinder and can rotate under the drive of the rotary cylinder; the mould is provided with a cylindrical hole; the lower punch and the upper punch are sleeved in the cylindrical hole; the jack applies upward pressing force to the lower punch; the screw rod applies downward pressing force to the upper punch. The utility model discloses can be through the two-way press forming of powder preparation density distribution even pressed compact, realize the pressed compact drawing of patterns.
Description
Technical Field
The utility model relates to an electromagnetism compaction device especially relates to a cylindric part electromagnetic pulse two-way press forming device.
Background
Powder metallurgy has the advantages of low energy consumption, high material utilization rate, low cost and the like, and compared with a common smelting method, the powder metallurgy has the following characteristics: powder metallurgy can produce various composite materials by utilizing the combined effects of metals and metals, and metals and nonmetals; powder metallurgy may be used to produce refractory metal materials or articles; in the aspect of manufacturing mechanical parts, the powder metallurgy method is a novel process with little cutting or no cutting, can greatly reduce the machining amount, save metal materials and improve the labor productivity.
Powder press forming is an important process in powder metallurgy, and refers to a method for realizing powder forming by using external pressure in a press die, which is also called powder press forming, wherein the press forming process comprises powder loading, pressing and demolding.
The magnetic pulse powder pressing and forming technology is a novel powder pressing method combining an electromagnetic forming technology and a powder pressing technology, the limitation of a traditional press machine on the pressing speed and the performance of the powder pressing technology is eliminated, specifically, the magnetic pulse powder pressing and forming technology is that a high-intensity pulse current is provided for a discharge coil, then a mutual-exclusion eddy current magnetic field is induced around the discharge coil and a driving sheet, and the driving sheet pushes a punch and a die to impact a powder body at a high speed under the action of magnetic pressure so as to form the powder body. The magnetic pulse powder pressing forming technology has the advantages of high speed, high load, easy control, easy realization of automation, environmental protection and the like.
However, the existing magnetic pulse powder press forming technology mainly presses cylindrical parts in a one-way mode, pressure loss caused by internal and external friction between particles and between the particles and a die wall in the press forming process causes uneven stress on all parts of a pressed blank, so that the density distribution of the pressed blank is uneven, and after the pressing is finished, other devices are needed to be used for demoulding, the flow is complex, in addition, in the daily production and processing process, cylindrical parts needing to be used account for a certain proportion, and the production efficiency needs to be improved urgently.
Disclosure of Invention
For solving the problem that exists among the above-mentioned prior art, the utility model provides a two-way press forming device of cylindric part electromagnetic pulse, its simple structure, convenient operation, safe and reliable, compaction stable in quality, suppression are efficient, small in noise, can be through the two-way press forming of powder preparation density distribution even cylindric part pressed compact to can realize the pressed compact drawing of patterns.
The above purpose is realized by the following technical scheme:
the electromagnetic pulse bidirectional pressing forming device for the cylindrical part is characterized by comprising electromagnetic pulse discharging equipment, a bottom plate, a jack, a punch, a driving sheet, a coil carrier plate, a side plate, a lower punch, an upper punch, a die, a rotary cylinder, a lead screw and an upper plate;
the electromagnetic pulse discharge equipment is connected with the coil and used for discharging electricity to the coil; the coil is wound on the coil carrier plate fixed on the side plate; the side plates symmetrically arranged on the left side and the right side are arranged between the bottom plate and the upper plate;
the punch is transversely arranged, one end of the punch is fixedly arranged with the driving sheet, and the other end of the punch extends to the die arranged in the center of the forming device; the driving sheet is connected with the coil in a clinging manner;
the die is arranged on the rotary cylinder in the center of the forming device and can be driven to rotate by the rotary cylinder; the die is provided with a cylindrical hole; the lower punch and the upper punch are sleeved in the cylindrical hole, and a gap between the lower punch and the inner wall of the cylindrical hole of the die is used for placing a powder body;
the jack is placed on the bottom plate and used for applying upward pressing force to the lower punch; the screw rod is in threaded connection with the middle of the upper plate and is used for applying downward pressing force to the upper punch.
Further, the forming device also comprises a linear bearing support plate, a flange sleeve and a linear bearing; the left flange sleeve and the right flange sleeve are respectively and fixedly arranged on the left side plate and the right side plate, the linear bearing support plate is arranged at the front end of the flange sleeve, and a through hole is formed in the center of the linear bearing support plate; the punch penetrates through the through hole of the linear bearing support plate from the inside to the outside of the flange sleeve and extends to the die, and the linear bearing is sleeved outside the punch and connected with the linear bearing support plate.
Furthermore, the forming device also comprises a return spring and a spring pressing block, wherein the spring pressing block is arranged on the inner side of the center of the linear bearing supporting plate, and the center of the spring pressing block is provided with a through hole and a spring pressing block groove; the connecting end of the punch and the driving sheet is of a flange structure and is provided with a punch groove; the reset spring is sleeved outside the punch and compressed between the punch connecting end and the spring pressing block, one end of the reset spring is pressed on the punch groove, and the other end of the reset spring is pressed on the spring pressing block groove.
Furthermore, the left side and the right side of the bottom plate are respectively provided with a plurality of bottom plate sliding grooves, and the left side and the right side of the upper plate are respectively provided with a plurality of upper plate sliding grooves; the left side and the right side are symmetrically arranged, the side plates are fixedly arranged between the bottom plate and the upper plate through T-shaped bolts and the bottom plate sliding grooves and the upper plate sliding grooves, and the installation positions of the side plates can be adjusted left and right along the bottom plate sliding grooves and the upper plate sliding grooves.
Further, the magnetic pulse discharge equipment consists of a power supply, a booster, a rectifier, a charging switch, a capacitor and a working switch; the secondary coil of the booster, the rectifier, the charging switch and the capacitor are connected in series, the coil and the capacitor are connected in parallel, and the working switch is connected in series in a parallel branch of the coil.
Furthermore, the forming device also comprises a vertical plate, and the vertical plate is fixedly arranged between the bottom plate and the upper plate at the center of the forming device; the rotary cylinder is installed on the vertical plate.
Furthermore, the rotary cylinder is provided with a mounting seat and a rotary flange, the rotary flange is fixedly mounted on the vertical plate through the mounting seat, the mold is mounted on the rotary flange, and the rotary cylinder drives the rotary flange to rotate so as to drive the mold to rotate.
Furthermore, the forming device also comprises a screw rod handle, a through hole is formed in the upper portion of the screw rod, and the screw rod handle is movably inserted through the screw rod through hole and connected with the screw rod.
Furthermore, the forming device further comprises damping rubber, the damping rubber is fixedly installed on the inner side of the side plate, and the coil carrier plate is fixedly installed on the damping rubber.
Further, the coil is fixedly bonded with the coil carrier plate through insulating glue.
The utility model has the advantages that:
the utility model relates to a simple structure, convenient operation, safe and reliable's electromagnetism compaction device can realize the pressed compact drawing of patterns. The utility model discloses a charge and discharge simultaneously to the both sides coil, accomplish the two-way suppression to the powder body to the density distribution of the pressed compact that makes is even. The utility model discloses can adjust to suitable position about with the both sides curb plate according to different mould sizes, final compaction makes required pressed compact size. The utility model discloses a jack and lead screw accomplish the drawing of patterns of the pre-compaction of the powder body, pressed compact and the restoration of lower stamping, accomplish the restoration of magnetic pulse two-way suppression back drift through reset spring to realize powder compacting, suppression and drawing of patterns overall process that the powder pressed to form, effectively reduced the volume and the weight of a whole set of powder compacting device, made its structure obtain simplifying, improved efficiency and the cost is reduced.
Drawings
FIG. 1 is a schematic structural view of the electromagnetic pulse bidirectional pressing and forming device for cylindrical parts of the present invention;
FIG. 2 is an external view of the electromagnetic pulse bidirectional pressing and forming device for cylindrical parts of the present invention;
FIG. 3 is a perspective view of the electromagnetic pulse bidirectional pressing and forming device for cylindrical parts of the present invention;
fig. 4 is a schematic structural view of the middle punch of the present invention;
FIG. 5 is a schematic structural view of a spring pressing block of the present invention;
fig. 6 is a schematic structural view of the mold of the present invention;
fig. 7 is a schematic structural view of the middle and lower punches of the present invention;
fig. 8 is a schematic structural view of an upper punch of the present invention;
FIG. 9 is a schematic structural view of the pre-compacted powder state of the present invention;
FIG. 10 is a schematic diagram of the powder compaction ready state of the present invention;
FIG. 11 is a schematic structural view of the powder compaction completed state of the present invention;
fig. 12 is a schematic structural view of the demoulded state of the green compact of the present invention;
fig. 13 is a schematic structural view of the lower punch in the reset state of the present invention.
Wherein: 1-power supply, 2-booster, 3-rectifier, 4-charging switch, 5-capacitor, 6-working switch, 7-electromagnetic pulse discharging equipment, 8-bottom plate, 9-jack, 10-linear bearing support plate, 11-flange sleeve, 12-linear bearing, 13-punch, 14-reset spring, 15-punch clapboard and 16-spring pressing block, 17-driving sheet, 18-coil, 19-coil carrier plate, 20-damping rubber, 21-side plate, 22-lower punch, 23-powder body, 24-upper punch, 25-die, 26-rotary cylinder, 27-vertical plate, 28-lead screw, 29-upper plate, 30-lead screw handle and 31-green compact.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present application, the present invention will be further described in detail with reference to the accompanying drawings and examples.
The terms of orientation such as up, down, left, right, front, and rear in the present specification are established based on the positional relationship shown in the drawings. The corresponding positional relationship may also vary depending on the drawings, and therefore, should not be construed as limiting the scope of protection.
The present invention relates to a portable electronic device, and more particularly, to a portable electronic device, which can be connected to a portable electronic device, and can be connected to a portable electronic device through a connection structure, such as a connector, a. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
This embodiment describes an electromagnetic pulse two-way press-forming apparatus for cylindrical parts, which can realize the production of a cylindrical part compact having a uniform density distribution by powder two-way press-forming.
As shown in fig. 1 and fig. 2, the forming device includes an electromagnetic pulse discharge device 7, a bottom plate 8, a jack 9, a linear bearing support plate 10, a flange sleeve 11, a linear bearing 12, a punch 13, a return spring 14, a punch partition 15, a spring pressing block 16, a driving plate 17, a coil 18, a coil support plate 19, a cushion rubber 20, a side plate 21, a lower punch 22, an upper punch 24, a die 25, a rotary cylinder 26, a vertical plate 27, a lead screw 28, an upper plate 29, and a lead screw handle 30.
The electromagnetic pulse discharging device 7 is used for discharging the coil 18, the electromagnetic pulse discharging device 7 is composed of a power supply 1, a booster 2, a rectifier 3, a charging switch 4, a capacitor 5 and a working switch 6, a secondary coil of the booster 2, the rectifier 3, the charging switch 4 and the capacitor 5 are connected in series, the coil 18 and the capacitor 5 are connected in parallel, and the working switch 6 is connected in series in a parallel branch of the coil 18.
The left side and the right side of the bottom plate 8 are respectively provided with a plurality of bottom plate sliding grooves 8-1, the left side and the right side of the upper plate 29 are respectively provided with a plurality of upper plate sliding grooves 29-1, 4 bottom plate sliding grooves 8-1 and 2 upper plate sliding grooves 29-1 shown in figure 3, the side plates 21 symmetrically arranged on the left side and the right side are fixedly arranged between the bottom plate 8 and the upper plate 29 through T-shaped bolts and the bottom plate sliding grooves 8-1 and the upper plate sliding grooves 29-1, the installation positions of the side plates 21 can be adjusted left and right along the bottom plate sliding grooves 8-1 and the upper plate sliding grooves 29-1 to adapt to the size of the mold 25, the application range of the forming device is enlarged, and parts symmetrically arranged on the side plates.
The left and right flange sleeves 11 are respectively and fixedly installed on the left and right side plates 21, the linear bearing support plate 10 is installed at the front end of the flange sleeve 11, the spring pressing block 16 is installed on the inner side of the center of the linear bearing support plate 10, through holes are formed in the centers of the linear bearing support plate 10 and the spring pressing block 16, and one end of the punch 13 horizontally and transversely extends to a die 25 in the center of the forming device from the inner side of the flange sleeve 11 to the outer side through the spring pressing block 16. Outside the linear bearing support plate 10, the linear bearing 12 is sleeved outside the punch 13 and connected with the linear bearing support plate 10, so that the moving resistance of the punch 13 can be reduced. The other end of the punch 13 is fixedly mounted on a driving plate 17 in the flange sleeve 11 through a punch partition 15, and the end is of a flange structure, as shown in fig. 4, on which a punch groove 13-1 is formed. As shown in FIG. 5, the spring retainer 16 is also a flange structure having a spring retainer groove 16-1 formed therein. The reset spring 14 is sleeved outside the punch 13 and compressed between the flange structure end of the punch 13 and the spring pressing block 16, one end of the reset spring 14 is pressed on the punch groove 13-1, the other end of the reset spring is pressed on the spring pressing block groove 16-1, and when voltage is not discharged, the reset spring 14 applies spring pressure on the punch 13, so that the driving sheet 17 is tightly attached to the coil 18.
The coil 18 is wound on the coil carrier 19 and fixedly bonded to the coil carrier 19 by an insulating adhesive, and the coil carrier 19 may be made of an insulating material such as bakelite. The coil carrier plate 19 is fixedly arranged on the damping rubber 20 fixedly arranged on the side plate 21, and the damping rubber 20 can slow down the collision between the coil carrier plate 19 and the side plate 21, thereby reducing the damage of workpieces and the working noise.
The vertical plate 27 is fixedly mounted between the bottom plate 8 and the upper plate 29, in the centre of the forming device. As shown in FIG. 3, the rotary cylinder 26 is provided with a mounting seat 26-1 and a rotary flange 26-2, the rotary flange 26-2 is fixedly mounted on the vertical plate 27 through the mounting seat 26-1, and the rotary flange 26-2 can be rotated by the air pressure control of the cylinder.
The mold 25 is mounted on the rotating flange 26-2 by a screw connection and is rotatable together with the rotating flange 26-2. As shown in fig. 6 to 8, a cylindrical hole is formed in the die 25, the lower punch 22 and the upper punch 24 are sleeved in the cylindrical hole of the die, a boss is arranged on the lower punch 22, a cylindrical blind hole is arranged on the upper punch 24, and a gap between the lower punch 22 and the inner wall of the cylindrical hole of the die 25 is used for placing the powder body 23. A jack 9 is placed on the bottom plate 8 below the die 25 for applying an upward pressing force to the lower punch 22.
The middle of the upper plate 29 is provided with a threaded hole, the screw rod 28 is positioned on the die 25 and screwed through the threaded hole, the upper part of the screw rod 28 is provided with a through hole, and the screw rod handle 30 is movably inserted through the through hole of the screw rod 28 and connected with the screw rod 28. Downward pressing force is applied to the upper punch 24 by rotating the lead screw 28 downward by the lead screw handle 30.
The process of the electromagnetic pulse bidirectional compaction forming device for the cylindrical part of the embodiment for carrying out bidirectional powder compaction is as follows:
1. the positions of the side plates 21 on the two sides are adjusted left and right according to the size of the die 25 to be in proper positions, and the side plates 21 are fixedly arranged between the bottom plate 8 and the upper plate 29 through T-shaped bolts;
2. rotating the die 25 by the rotating cylinder 26 until the cylindrical hole is in a vertical state, as shown in fig. 9, pushing the lower punch 22 into the cylindrical hole of the die 25 by the jack 9, placing the powder 23 in a cylindrical gap formed by a boss of the lower punch 22 and the cylindrical hole wall of the die 25, placing the upper punch 24 on the powder 23, rotating the lead screw handle 30 to press the lead screw 28 against the upper part of the upper punch 24, and pre-pressing the powder 23 by applying pressing force in two directions on the upper punch 24 and the lower punch 22 by the jack 9 and the lead screw 28;
3. removing the pressing force applied by the jack 9 and the screw 28, rotating the die 25 by the rotary cylinder 26 until the cylindrical hole is in a horizontal state, as shown in fig. 10 and 11, closing the charging switch 4 to charge the capacitor 5, after the charging is finished, closing the working switch 6, discharging the coil 18 by the electromagnetic pulse discharging device 7, and performing a discharging process: high-intensity pulse current flows through the coil 18, so that a strong mutual exclusion magnetic field is generated between the coil 18 and the driving sheet 17, high-intensity magnetic field force acts on the driving sheet 17 to push the driving sheets 17 on the left side and the right side, the punch partition 15 and the punch 13 to impact the upper punch 24 and the lower punch 22 at high speed, the pressing process of compacting the powder body 23 into a pressed blank is completed, meanwhile, the reset spring 14 is compressed, after the powder is pressed, the charging switch 4 and the working switch 6 are disconnected, and under the action of the reset spring 14, the driving sheets 17 on the left side and the right side, the punch partition 15 and the punch 13 are reset;
4. rotating the die 25 by the rotating cylinder 26 until the cylindrical hole is in a vertical state, as shown in fig. 12, jacking the lower punch 22 by the jack 9, ejecting the upper punch 24 and the green compact out of the die 25, and taking off the upper punch 24 to take off the cylindrical green compact; as shown in fig. 13, the screw rod handle 30 is rotated to press the screw rod 28 downward against the lower punch 22, the lower punch 22 returns to the powder loading position along the cylindrical hole, and the screw rod 28 is rotated upward by rotating the screw rod handle 30 to the outside of the die 25, and then powder is loaded for the next powder double-direction pressing.
While the principles of the invention have been described in detail in connection with the preferred embodiments thereof, it will be understood by those skilled in the art that the above-described embodiments are merely illustrative of exemplary implementations of the invention and are not limiting of the scope of the invention. The details in the embodiments do not constitute the limitations of the scope of the present invention, and any obvious changes such as equivalent transformation, simple replacement, etc. based on the technical solution of the present invention all fall within the protection scope of the present invention without departing from the spirit and scope of the present invention.
Claims (10)
1. The electromagnetic pulse bidirectional pressing forming device for the cylindrical part is characterized by comprising electromagnetic pulse discharging equipment (7), a bottom plate (8), a jack (9), a punch (13), a driving sheet (17), a coil (18), a coil carrier plate (19), a side plate (21), a lower punch (22), an upper punch (24), a die (25), a rotary cylinder (26), a screw rod (28) and an upper plate (29);
the electromagnetic pulse discharge device (7) is connected with the coil (18) and is used for discharging the coil (18); the coil (18) is wound on the coil carrier plate (19) fixed on the side plate (21); the side plates (21) symmetrically arranged at the left side and the right side are arranged between the bottom plate (8) and the upper plate (29);
the punch head (13) is transversely arranged, one end of the punch head is fixedly arranged with the driving sheet (17), and the other end of the punch head extends to the die (25) arranged at the center of the forming device; the driving sheet (17) is closely attached to the coil (18);
the die (25) is mounted on the rotary cylinder (26) in the center of the forming device, and can be driven to rotate by the rotary cylinder (26); the mould (25) is provided with a cylindrical hole; the lower punch (22) and the upper punch (24) are sleeved in the cylindrical hole, and a gap between the lower punch (22) and the inner wall of the cylindrical hole of the die (25) is used for placing a powder body (23);
the jack (9) is placed on the bottom plate (8) and is used for applying upward pressing force to the lower punch (22); the screw (28) is screwed in the middle of the upper plate (29) and is used for applying downward pressing force to the upper punch (24).
2. The bi-directional electromagnetic pulse pressing and forming device for cylindrical parts according to claim 1, further comprising a linear bearing support plate (10), a flange sleeve (11), a linear bearing (12); the left flange sleeve (11) and the right flange sleeve (11) are fixedly arranged on the left side plate (21) and the right side plate (21) respectively, the linear bearing support plate (10) is arranged at the front end of the flange sleeves (11), and a through hole is formed in the center of the linear bearing support plate (10); the punch (13) penetrates through the through hole of the linear bearing support plate (10) from the inside to the outside of the flange sleeve (11) and extends to the die (25), the linear bearing (12) is sleeved outside the punch (13) and is connected with the linear bearing support plate (10).
3. The electromagnetic pulse bidirectional pressing and forming device for cylindrical parts according to claim 2, further comprising a return spring (14), a spring pressing block (16), wherein the spring pressing block (16) is installed inside the center of the linear bearing support plate (10), and the center of the spring pressing block (16) is provided with a through hole and a spring pressing block groove (16-1); the connecting end of the punch (13) and the driving sheet (17) is of a flange structure and is provided with a punch groove (13-1); the reset spring (14) is sleeved on the outer side of the punch (13) and compressed between the connecting end of the punch (13) and the spring pressing block (16), one end of the reset spring (14) is pressed against the punch groove (13-1), and the other end of the reset spring is pressed against the spring pressing block groove (16-1).
4. The electromagnetic pulse bidirectional press forming device for the cylindrical part according to claim 1, wherein a plurality of bottom plate sliding grooves (8-1) are respectively formed on the left side and the right side of the bottom plate (8), and a plurality of upper plate sliding grooves (29-1) are respectively formed on the left side and the right side of the upper plate (29); the side plates (21) symmetrically arranged on the left side and the right side are fixedly arranged between the bottom plate (8) and the upper plate (29) through T-shaped bolts and the bottom plate sliding groove (8-1) and the upper plate sliding groove (29-1), and the installation positions can be adjusted left and right along the bottom plate sliding groove (8-1) and the upper plate sliding groove (29-1).
5. The bi-directional electromagnetic pulse pressing and forming device for cylindrical parts according to claim 1, wherein the magnetic pulse discharging device (7) is composed of a power supply (1), a booster (2), a rectifier (3), a charging switch (4), a capacitor (5) and a working switch (6); the secondary coil of the booster (2), the rectifier (3), the charging switch (4) and the capacitor (5) are connected in series, the coil (18) and the capacitor (5) are connected in parallel, and the working switch (6) is connected in series in a parallel branch of the coil (18).
6. The bi-directional electromagnetic pulse pressing and forming device for cylindrical parts according to claim 1, characterized in that the forming device further comprises a vertical plate (27), wherein the vertical plate (27) is fixedly installed between the bottom plate (8) and the upper plate (29) at the center of the forming device; the rotary cylinder (26) is arranged on the vertical plate (27).
7. The electromagnetic pulse bidirectional press forming device for the cylindrical part according to claim 6, wherein the rotary cylinder (26) is provided with a mounting seat (26-1) and a rotary flange (26-2), the rotary flange (26-2) is fixedly mounted on the vertical plate (27) through the mounting seat (26-1), the mold (25) is mounted on the rotary flange (26-2), and the rotary cylinder (26) drives the rotary flange (26-2) to rotate, so as to drive the mold (25) to rotate.
8. The electromagnetic pulse bidirectional pressing and forming device for the cylindrical part according to claim 1, further comprising a screw rod handle (30), wherein a through hole is formed in the upper portion of the screw rod (28), and the screw rod handle (30) is movably inserted through the through hole of the screw rod (28) and connected with the screw rod (28).
9. The electromagnetic pulse bidirectional press forming device for cylindrical parts according to claim 1, further comprising a shock absorption rubber (20), wherein the shock absorption rubber (20) is fixedly arranged inside the side plate (21), and the coil carrier plate (19) is fixedly arranged on the shock absorption rubber (20).
10. The bi-directional electromagnetic pulse press forming device for cylindrical parts according to claim 1, wherein the coil (18) is fixedly bonded to the coil carrier plate (19) by an insulating adhesive.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022177043.0U CN213469568U (en) | 2020-09-28 | 2020-09-28 | Electromagnetic pulse bidirectional pressing forming device for cylindrical part |
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| CN202022177043.0U CN213469568U (en) | 2020-09-28 | 2020-09-28 | Electromagnetic pulse bidirectional pressing forming device for cylindrical part |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734037A (en) * | 2022-04-26 | 2022-07-12 | 厦门理工学院 | High-density part and pressing method and device thereof |
| CN115338404A (en) * | 2022-09-06 | 2022-11-15 | 厦门理工学院 | Method and device for axial bidirectional electromagnetic pulse pressing radial high-frequency heating forming |
-
2020
- 2020-09-28 CN CN202022177043.0U patent/CN213469568U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734037A (en) * | 2022-04-26 | 2022-07-12 | 厦门理工学院 | High-density part and pressing method and device thereof |
| CN114734037B (en) * | 2022-04-26 | 2023-10-10 | 厦门理工学院 | High-density part and pressing method and pressing device thereof |
| CN115338404A (en) * | 2022-09-06 | 2022-11-15 | 厦门理工学院 | Method and device for axial bidirectional electromagnetic pulse pressing radial high-frequency heating forming |
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