Stamping die set for electric power fitting forming

Abstract

The invention relates to the field of stamping dies, in particular to a stamping die set for electric power fitting forming, comprising: a stamping mechanism comprising a front die and a rear die, the front die is provided with a stamping rod, an ejector rod and a slot, the rear die is provided with a fixing ring, and the fixing ring is internally provided with a rotating pipe for driving a material to move; the extrusion mechanism comprises a first annular groove in the rotating pipe, a clamping part used for extruding materials is arranged in the first annular groove, a driving rod is arranged on the rotating pipe, a groove is formed in the bottom of the driving rod, a cavity is formed in the driving rod, a reset part is arranged in the cavity, and an extrusion part is arranged on the reset part; a fixing part for pressing materials is arranged on the driving rod; and the material conveying mechanism comprises a guide rod in the inserting groove, and a guide part and a blocking part are arranged on the side wall of the driving rod. And through the arrangement of the stamping mechanism, the extrusion mechanism and the material conveying mechanism, materials can be controlled to move according to opening and closing of the die during stamping of the die.

Description

Technical Field

[0001] This invention relates to the field of stamping dies, and in particular to a stamping die set for forming power fittings. Background Technology

[0002] Power fittings are metal accessories used in power systems to connect, fix, and protect conductors and insulators. They are widely used in overhead transmission lines, substations, and power distribution equipment, and their quality and performance directly affect the safe operation of the power system.

[0003] Stamping is an indispensable part of the production of power fittings. During the stamping process of fitting materials, the material needs to be continuously and intermittently transported by a conveying device. Because the material is in a conveying state, the material itself lacks a fixing device during the stamping process of the die, which may cause the material to deviate during stamping, affecting the subsequent movement and stamping of the material. At the same time, if the die malfunctions during operation, but the conveying device continues to transport, it will cause material waste, requiring the operator to manually control the material to move back. When the conveying device stops, the opening and closing of the die cannot perform stamping operations, affecting work efficiency. Summary of the Invention

[0004] In view of the problem in the above or existing technology that when the material is in a continuous conveying state, the material itself lacks a fixing device during the stamping process of the die, which may cause the material to deviate during stamping, the present invention is proposed.

[0005] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a stamping die assembly for forming power fittings, comprising: a stamping mechanism, which includes a front die and a rear die; the front die is provided with a stamping rod, a push rod, and a slot; the rear die is provided with a through-hole for material to fall; a fixing ring is provided on the rear die; and a rotating tube for driving material movement is provided inside the fixing ring; an extrusion mechanism, including a first annular groove on the rotating tube; a clamping part for extruding material is provided inside the first annular groove; a driving rod is provided on the rotating tube; a groove is provided at the bottom of the driving rod; a chamber is provided inside the driving rod; a reset part is provided inside the chamber; an extrusion part is provided on the reset part; and a fixing part for pressing material is provided on the driving rod; and a conveying mechanism, including a guide rod inside the slot; a guide part and a blocking part are provided on the side wall of the driving rod; an extrusion disc for controlling gas flow is provided inside the rotating tube; a flipping part is provided on the extrusion part; a telescopic part is provided on the flipping part; and a one-way driving part is provided on the telescopic part.

[0006] As a preferred embodiment of the stamping die assembly for forming power fittings of the present invention, the clamping part includes a first annular air bladder inside a first annular groove, an air pipe is installed on the inner wall of the first annular air bladder, the air pipe extends into the interior of the rotating tube, and a tapered tube is provided inside the air pipe to control the gas inlet and outlet flow rate.

[0007] In a preferred embodiment of the stamping die assembly for forming power fittings of the present invention, the reset part includes a reset ring inside the cavity, and a first spring is connected to the reset ring.

[0008] As a preferred embodiment of the stamping die assembly for forming power fittings of the present invention, the extrusion part includes an extrusion rod on a reset ring, an extrusion ring is provided on the side wall of the extrusion rod, the extrusion ring is located inside the groove, and an inclined surface is provided on the extrusion ring.

[0009] As a preferred embodiment of the stamping die assembly for forming power fittings of the present invention, the fixing part includes a second annular groove at the bottom of the drive rod, a second annular airbag is provided inside the second annular groove, a rubber pad is connected to the outer side wall of the second annular airbag, and a folding airbag is provided inside the groove, with the folding airbag and the second annular airbag communicating with each other.

[0010] As a preferred embodiment of the stamping die assembly for forming power fittings of the present invention, the guide portion includes a slope groove and a vertical groove on the side wall of the drive rod, wherein the vertical groove and the slope groove are interconnected.

[0011] In a preferred embodiment of the stamping die assembly for forming power fittings of the present invention, the blocking part includes a blocking plate on the drive rod, and a coil spring is provided on the blocking plate.

[0012] As a preferred embodiment of the stamping die assembly for forming power fittings of the present invention, the flipping part includes a flipping block on the extrusion rod, the flipping block is provided with an arc surface, and the arc surface is adapted to the outer wall of the extrusion rod.

[0013] As a preferred embodiment of the stamping die assembly for forming power fittings of the present invention, the telescopic part includes a rod on the flipping block and a second spring, and one end of the rod is connected to a driving block.

[0014] As a preferred embodiment of the stamping die assembly for forming power fittings of the present invention, the unidirectional drive unit includes a first cut surface on the drive block, and the inner wall of the rotating tube is provided with a strip groove and a second cut surface, the second cut surface being located at the top of the strip groove.

[0015] The beneficial effects of the stamping die assembly for forming power fittings of the present invention are as follows:

[0016] 1. Through the setting of the stamping mechanism, extrusion mechanism and material conveying mechanism, the first and second annular airbags are inflated during the mold merging process to compress and fix the material sheet, so as to avoid the material position shift during the stamping process. When the mold opens, the second annular airbag quickly recovers and releases the compression and fixation of the material sheet. At the same time, the first annular airbag maintains the compression of the side wall of the material sheet, which facilitates the subsequent movement of the material by the first annular airbag.

[0017] 2. During the opening and closing of the mold, the annular airbag can move the material the same distance each time, replacing other electrical equipment to drive the material sheet. This facilitates the stamping of the material sheet. When the material is stamped and the mold is fully open, the rotating tube is no longer restricted by the drive rod, making it easier for workers to pull the material sheet and reducing the wear of the first annular airbag. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of a stamping die assembly for forming power fittings.

[0020] Figure 2 This is a bottom view schematic diagram of a stamping die assembly for forming power fittings.

[0021] Figure 3 This is a schematic diagram of the drive rod of a stamping die assembly for forming power fittings.

[0022] Figure 4 Stamping die set for forming power fittings Figure 3 A schematic diagram of point A in the middle.

[0023] Figure 5 This is a schematic diagram of the internal structure of the drive rod of a stamping die assembly for forming power fittings.

[0024] Figure 6 This is a schematic diagram of the internal structure of the rotating tube of a stamping die assembly for forming power fittings.

[0025] Figure 7 This is a schematic diagram of the reset part of a stamping die assembly for forming power fittings.

[0026] Figure 8 Stamping die set for forming power fittings Figure 7 Schematic diagram at point B in the middle.

[0027] Figure 9 This is a schematic diagram of the top of the extrusion plate of a stamping die assembly for forming power fittings.

[0028] Figure 10 This is a schematic diagram of the drive block for a stamping die assembly used in the forming of power fittings.

[0029] Figure 11 This is a schematic diagram of the slot inside a stamping die assembly for forming power fittings.

[0030] In the diagram: 10. Front mold; 11. Rear mold; 12. Stamping rod; 13. Ejector pin; 14. Slot; 15. Retaining ring; 16. Rotating tube;

[0031] 20. First annular groove; 21. Clamping part; 211. First annular airbag; 212. Air tube; 213. Conical tube; 22. Drive rod; 23. Groove; 24. Chamber; 25. Reset part; 251. Reset ring; 252. First spring; 26. Compression part; 261. Compression rod; 262. Compression ring; 263. Inclined surface; 27. Fixing part; 271. Second annular groove; 272. Second annular airbag; 273. Rubber pad; 274. Folding airbag;

[0032] 30. Guide rod; 31. Guide part; 311. Slope groove; 312. Vertical groove; 32. Blocking part; 321. Blocking plate; 322. Coil spring; 33. Extrusion plate; 34. Flipping part; 341. Flipping block; 342. Arc surface; 35. Telescopic part; 351. Insert rod; 352. Second spring; 353. Drive block; 36. One-way drive part; 361. First cut surface; 362. Strip groove; 363. Second cut surface. Detailed Implementation

[0033] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0034] Reference Figures 1 to 11 This technical solution provides a stamping die assembly for forming power fittings, which includes a stamping mechanism, an extrusion mechanism and a material conveying mechanism. It can replace the traditional manual pushing of materials. The movement of materials is controlled by the opening and closing of the front die 10 and the rear die 11 in the die. The materials are extruded and fixed during the opening and closing of the die, so as to avoid the material position from shifting during the stamping process of the die.

[0035] Furthermore, a stamping mechanism, used for stamping materials, includes a front die 10 and a rear die 11. The front die 10 is equipped with a stamping rod 12, an ejector pin 13, and a slot 14. When the material moves below the stamping rod 12, the front die 10 and the rear die 11 close together, causing the stamping rod 12 to compress the material and form a stamped product. The ejector pin 13 is longer than the stamping rod 12. Through the ejector pin 13, when the stamped product has not completely detached from the material body, the ejector pin 13 can eject the product. The rear die 1... The mold 11 is provided with a through-hole for material to fall through, which facilitates the unified collection of the stamped material. The mold 11 is provided with a fixing ring 15. The number of fixing rings 15 is the same as the number of slots 14, and the fixing rings 15 are located directly above the slots 14. When the mold is closed, the fixing rings 15 are located inside the slots 14. The fixing rings 15 are provided with a rotating tube 16 for driving the material to move. The top of the rotating tube 16 extends to the outside of the fixing rings 15. When the mold is closed, the rotating tube 16 is located inside the slots 14.

[0036] Specifically, there are multiple fixing rings 15, which are divided into two groups, and the two groups of fixing rings 15 are located on both sides of the stamping rod 12.

[0037] It should be noted that when the material is being stamped, the worker places the material on the fixed ring 15. Since the rotating tube 16 is located inside the fixed ring 15, when the material is placed on the fixed ring 15, the material is located between multiple rotating tubes 16.

[0038] When in use, the staff places the material on the fixed ring 15 and starts the mold to open and close, and then uses the stamping rod 12 to stamp the material.

[0039] Furthermore, the extrusion mechanism can fix the position of the material during the stamping process when the mold is closed, preventing the material from shifting during the stamping process. This includes a first annular groove 20 on the rotating tube 16, which is located above the fixed ring 15. The first annular groove 20 has a clamping part 21 for extruding the material inside. A drive rod 22 is provided on the rotating tube 16 and is rotatably connected to the rotating tube 16. A groove 23 is provided at the bottom of the drive rod 22. A chamber 24 is provided inside the drive rod 22. A reset part 25 is provided inside the chamber 24. An extrusion part 26 is provided on the reset part 25. A fixing part 27 for pressing the material is provided on the drive rod 22.

[0040] Furthermore, the clamping part 21 includes a first annular airbag 211 inside the first annular groove 20. An air tube 212 is installed on the inner wall of the first annular airbag 211. The air tube 212 extends into the interior of the rotating tube 16. A conical tube 213 for controlling the gas flow rate is provided inside the air tube 212.

[0041] The number of air tubes 212 is multiple, and the multiple air tubes 212 are evenly distributed on the inner wall of the first annular airbag 211. As the number of air tubes 212 increases, the air intake efficiency inside the first annular airbag 211 will also increase, accelerating the compression speed of the material by the first annular airbag 211.

[0042] It should be noted that when gas enters the interior of the first annular airbag 211 through the conical tube 213, the first annular airbag 211 can contact the side wall of the material, thereby squeezing and fixing the material. The material is clamped by multiple first annular airbags 211. Due to the setting of the conical tube 213, the time for gas to be discharged from the interior of the first annular airbag 211 can be greatly reduced.

[0043] Furthermore, the reset part 25 includes a reset ring 251 inside the chamber 24, and a first spring 252 is connected to the reset ring 251. The bottom of the first spring 252 is in contact with the bottom surface inside the chamber 24.

[0044] When in use, after the reset ring 251 descends, the first spring 252 can drive the reset ring 251 to return to its initial position.

[0045] Furthermore, the extrusion section 26 includes an extrusion rod 261 on a reset ring 251. The reset ring 251 is fixedly sleeved on the side wall of the extrusion rod 261, and the top of the extrusion rod 261 extends to the outside of the drive rod 22. When the drive rod 22 rotates, it can drive the extrusion rod 261 to rotate together. An extrusion ring 262 is provided on the side wall of the extrusion rod 261. The extrusion ring 262 is located inside the groove 23, and an inclined surface 263 is provided on the extrusion ring 262.

[0046] When in use, when the current mold 10 descends, the inner wall of the slot 14 can drive the extrusion rod 261 to descend. When the extrusion rod 261 descends, it can drive the first spring 252 to contract, and the extrusion rod 261 drives the extrusion ring 262 to descend.

[0047] Furthermore, the fixing part 27 includes a second annular groove 271 at the bottom of the drive rod 22. A second annular airbag 272 is provided inside the second annular groove 271. A rubber pad 273 is connected to the outer wall of the second annular airbag 272. When the rubber pad 273 comes into contact with the material, the contact surface is larger, the friction is greater, and the material is squeezed and fixed more firmly. A folded airbag 274 is provided inside the groove 23. The folded airbag 274 and the second annular airbag 272 are interconnected.

[0048] The compression ring 262 is located above the folded airbag 274. With the setting of the inclined surface 263, when the compression ring 262 descends, the inclined surface 263 is guaranteed to contact the folded airbag 274, which can prevent the compression ring 262 from damaging the folded airbag 274.

[0049] During use, when the extrusion ring 262 descends, it compresses the folded airbag 274, causing the inner side of the folded airbag 274 to contract downwards. This allows the gas inside the folded airbag 274 to enter the interior of the second annular airbag 272. The annular airbag expands, causing the rubber pad 273 to contact the top of the material, thus compressing and fixing the top of the material and preventing the material from tilting up during the stamping process and affecting the subsequent movement of the material itself.

[0050] Furthermore, during the mold merging process (in this article, mold merging refers to the process of the front mold 10 moving closer to the rear mold 11), the material conveying mechanism can control the first annular airbag 211 and the rubber pad 273 to squeeze and fix the material. During the mold opening process, the first annular airbag 211 can be controlled to move the material. This includes two guide rods 30 inside the slot 14, which are evenly distributed at the outlet of the slot 14. The side wall of the drive rod 22 is provided with a guide part 31 and a blocking part 32. The inside of the rotating tube 16 is provided with a squeezing disc 33 for controlling the gas flow. The bottom end of the squeezing rod 261 is rotatably connected to the top of the squeezing disc 33. The squeezing disc 33 rises and falls together with the squeezing rod 261. The squeezing part 26 is provided with a flipping part 34, the flipping part 34 is provided with a telescopic part 35, and the telescopic part 35 is provided with a one-way drive part 36.

[0051] Furthermore, the guide section 31 includes a slope groove 311 and a vertical groove 312 on the side wall of the drive rod 22, with the vertical groove 312 communicating with the slope groove 311.

[0052] It should be noted that when the mold is in working condition and the front mold 10 and the rear mold 11 are separated by the maximum distance, the guide rod 30 is always located inside the vertical groove 312. The guide rod 30 can also provide a constraint on the drive rod 22 to prevent the drive rod 22 from being affected by other forces and rotating.

[0053] Furthermore, the blocking part 32 includes a blocking plate 321 on the drive rod 22. The blocking plate 321 is inclined so that it can only be flipped downwards. A coil spring 322 is provided on the blocking plate 321.

[0054] Among them, the baffle plate 321 is located at the junction of the bottom of the vertical groove 312 and the slope groove 311. With the setting of the coil spring 322, the coil spring 322 drives the baffle plate 321 to seal the bottom of the vertical groove 312 without the action of other forces.

[0055] During use, when the mold is closed, the guide rod 30 inside the slot 14 descends inside the vertical groove 312. During this process, the drive rod 22 does not rotate. When the guide rod 30 contacts the blocking plate 321, it can cause the blocking plate 321 to flip downward. After the guide rod 30 passes the blocking plate 321, the blocking plate 321 returns to its initial state under the action of the coil spring 322, allowing the guide rod 30 to enter the slope groove 311. At this time, the mold is closed and the stamping rod 12 completes the stamping of the material. When the mold reopens, the front mold 10 drives the guide rod 30 to rise. Due to the obstruction of the blocking plate 321, the guide rod 30 can only move inside the slope groove 311. As the guide rod 30 rises, it can drive the drive rod 22 to rotate. When the guide rod 30 rises to the highest point of the slope groove 311, it re-enters the vertical groove 312.

[0056] Furthermore, the flipping part 34 includes a flipping block 341 on the extrusion rod 261. There are multiple flipping blocks 341, which are evenly distributed on the side wall of the extrusion rod 261. The flipping blocks 341 are located on the outer side wall of the extrusion rod 261. The flipping blocks 341 are provided with an arc surface 342, which is adapted to the outer side wall of the extrusion rod 261.

[0057] When the arc surface 342 on the flipping block 341 contacts the outer wall of the extrusion rod 261, the flipping block 341 cannot flip to the current side, but can only flip to the other side.

[0058] Furthermore, the telescopic part 35 includes a rod 351 and a second spring 352 on the flip block 341. There are two rods 351, and the second spring 352 is located between the two rods 351. One end of the rod 351 is connected to a drive block 353, which is located on the side away from the flip block 341.

[0059] When in use, when the drive block 353 is squeezed, it can drive the insertion rod 351 to move towards the flipping block 341. At the same time, the drive block 353 drives the second spring 352 to contract, and the second spring 352 is used to drive the drive block 353 back to the initial position.

[0060] Furthermore, the unidirectional drive unit 36 ​​includes a first cut surface 361 on the drive block 353, and the inner wall of the rotating tube 16 is provided with a strip groove 362 and a second cut surface 363, with the second cut surface 363 located at the top of the strip groove 362.

[0061] The sidewall of the extrusion disc 33 is located inside the strip groove 362, so that the extrusion disc 33 is slidably connected to the rotating tube 16.

[0062] It should be noted that when the mold is not merged, the drive block 353 is located outside the strip groove 362. At this time, driven by the drive block 353, the arc surface 342 on the flipping block 341 does not contact the outer wall of the extrusion rod 261. As the mold is merged, the extrusion rod 261 descends, causing the extrusion disc 33 to descend. When the extrusion disc 33 descends, the gas inside the rotating tube 16 can enter the interior of the first annular air bladder 211 through the conical tube 213, causing the first annular air bladder 211 to expand and extrude and fix the material.

[0063] In use, when the extrusion rod 261 descends, it drives the tilting block 341 to descend as well, so that the tilting block 341 descends to the slot 362. When the extrusion rod 261 rises, due to the guide rod 30 and the slope groove 311, the drive rod 22 rotates, which drives the extrusion rod 261 to rotate together. The extrusion rod 261 drives the tilting block 341 to rotate. Due to the recovery of the second spring 352, the tilting block 341 moves the insertion rod 351 and the drive block 353 into the interior of the slot 362. When the second spring 352 returns to its original position, the drive block 353 is inserted into the inside of the strip groove 362. At this time, the drive block 353 can drive the rotating tube 16 to rotate together. The rotating tube 16 drives the first annular airbag 211 to rotate. When the first annular airbag 211 rotates, it can drive the material to move. When the extrusion rod 261 rises, the extrusion rod 261 drives the drive block 353 to rise. When it passes through the second cut surface 363, the drive block 353 can be disengaged from the inside of the strip groove 362 by the guidance of the second cut surface 363.

[0064] Working principle:

[0065] When stamping is required, the worker places the material plate on the fixing ring 15. For the first stamping, the worker places the material directly below the stamping rod 12 and starts the mold, causing it to repeatedly open and close. When the front mold 10 descends, it drives the guide rod 30 inside the slot 14 to descend, causing the guide rod 30 to descend within the vertical groove 312. The inner wall of the groove 23 pushes the extrusion rod 261 downwards. The extrusion rod 261 drives the extrusion ring 262 downwards, extruding the folding airbag 274. This causes the second annular airbag 272 to expand, causing the rubber pad 273 to extrude the top of the material. Meanwhile, the extrusion rod 261 drives the extrusion disc 33 to extrude the gas inside the rotating tube 16, causing the first annular airbag 211 to expand and compress and fix the side wall of the material, facilitating subsequent movement of the material. The extrusion rod 261 drives the flipping block 341 to descend, the flipping block 341 drives the insertion rod 351 and the spring to descend, the insertion rod 351 drives the drive block 353 to descend, and at the same time, the front mold 10 drives the stamping rod 12 and the ejector rod 13 to descend together to stamp the material. The stamped material falls through the through hole for unified collection. At this time, the guide rod 30 is located below the baffle plate 321.

[0066] After stamping is completed, the mold reopens. During the upward movement of the front mold 10, the pressure on the extrusion rod 261 is removed. The first spring 252 recovers and drives the reset ring 251 to rise. The reset ring 251 drives the extrusion rod 261 to rise. The front mold 10 drives the guide rod 30 to rise. Under the guidance of the baffle plate 321, the guide rod 30 enters the interior of the slope groove 311. When the guide rod 30 moves inside the slope groove 311, it causes the drive rod 22 to rotate, which in turn drives the extrusion rod 261 to rotate. Thus, the extrusion rod 261 rises and rotates at the same time. When the extrusion rod 261 drives the extrusion ring 262 to rise, the folding airbag 274 and the second annular airbag 272 drive the rubber pad 273 to rise during the recovery process, so that the rubber pad 273 comes into contact with the material during extrusion.

[0067] When the extrusion rod 261 rotates, it drives the tilting block 341 to rotate as well. When the tilting block 341 drives the driving block 353 into the interior of the strip groove 362, the arc surface 342 on the tilting block 341 contacts the side wall of the extrusion rod 261. Due to the obstruction of the strip groove 362, the driving block 353 can drive the rotating tube 16 to rotate together. Due to the setting of the tapered tube 213, even when the extrusion rod 261 drives the extrusion disc 33 to rise together, the gas inside the first annular airbag 211 will not be lost quickly. During this process, when the rotating tube 16 rotates, it drives the first annular airbag 211 to rotate. The first annular airbag 211 drives the material to move forward. When the current mold 10 rises to the highest point... The extrusion rod 261 drives the tilting block 341, which in turn drives the drive block 353 to disengage from the inside of the strip groove 362, so that the extrusion disc 33 is located at the highest point of the strip groove 362. At this time, the material is moved. Repeating this process can complete the stamping of an entire material. After the material is stamped, it can be pulled out. Since the rotating tube 16 is not restricted by the drive rod 22 after the drive block 353 is separated from the strip groove 362, while the drive rod 22 is restricted by the guide rod 30, when the worker pulls the material, the rotating tube 16 can rotate as the material is pulled out, which reduces the frictional damage of the first annular airbag 211 and extends the service life of the first annular airbag 211.

[0068] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A stamping die set for forming power fittings, characterized in that: include, The stamping mechanism includes a front die (10) and a rear die (11). The front die (10) is provided with a stamping rod (12), an ejector rod (13) and a slot (14). The rear die (11) is provided with a retaining ring (15). The inside of the retaining ring (15) is provided with a rotating tube (16) for driving the material to move. The extrusion mechanism includes a first annular groove (20) on a rotating tube (16), a clamping part (21) for extruding material is provided inside the first annular groove (20), a drive rod (22) is provided on the rotating tube (16), a groove (23) is provided at the bottom of the drive rod (22), a chamber (24) is provided inside the drive rod (22), a reset part (25) is provided inside the chamber (24), an extrusion part (26) is provided on the reset part (25), and a fixing part (27) for pressing material is provided on the drive rod (22). The material conveying mechanism includes a guide rod (30) inside the slot (14), a guide part (31) and a blocking part (32) on the side wall of the drive rod (22), an extrusion plate (33) for controlling gas flow inside the rotating tube (16), a flipping part (34) on the extrusion part (26), a telescopic part (35) on the flipping part (34), and a one-way drive part (36) on the telescopic part (35).

2. The stamping die assembly for forming power fittings as described in claim 1, characterized in that: The clamping part (21) includes a first annular airbag (211) inside the first annular groove (20). An air tube (212) is installed on the inner wall of the first annular airbag (211). The air tube (212) extends into the interior of the rotating tube (16). A conical tube (213) for controlling the gas flow rate is provided inside the air tube (212).

3. The stamping die assembly for forming power fittings as described in claim 2, characterized in that: The reset part (25) includes a reset ring (251) inside the chamber (24), and a first spring (252) is connected to the reset ring (251).

4. The stamping die assembly for forming power fittings as described in claim 3, characterized in that: The extrusion part (26) includes an extrusion rod (261) on a reset ring (251), an extrusion ring (262) is provided on the side wall of the extrusion rod (261), the extrusion ring (262) is located inside the groove (23), and an inclined surface (263) is provided on the extrusion ring (262).

5. The stamping die assembly for forming power fittings as described in claim 4, characterized in that: The fixing part (27) includes a second annular groove (271) at the bottom of the drive rod (22), a second annular airbag (272) is provided inside the second annular groove (271), a rubber pad (273) is connected to the outer side wall of the second annular airbag (272), and a folding airbag (274) is provided inside the groove (23), and the folding airbag (274) and the second annular airbag (272) are interconnected.

6. The stamping die assembly for forming power fittings as described in claim 5, characterized in that: The guide section (31) includes a slope groove (311) and a vertical groove (312) on the side wall of the drive rod (22), and the vertical groove (312) and the slope groove (311) are interconnected.

7. The stamping die assembly for forming power fittings as described in claim 6, characterized in that: The blocking part (32) includes a blocking plate (321) on the drive rod (22), and a coil spring (322) is provided on the blocking plate (321).

8. The stamping die assembly for forming power fittings as described in claim 7, characterized in that: The flipping part (34) includes a flipping block (341) on the extrusion rod (261), the flipping block (341) is provided with an arc surface (342), the arc surface (342) is adapted to the outer side wall of the extrusion rod (261).

9. The stamping die assembly for forming power fittings as described in claim 8, characterized in that: The telescopic part (35) includes a rod (351) on the flip block (341) and a second spring (352), one end of which is connected to a drive block (353).

10. The stamping die assembly for forming power fittings as described in claim 9, characterized in that: The unidirectional drive unit (36) includes a first cut surface (361) on the drive block (353), and the inner wall of the rotating tube (16) is provided with a strip groove (362) and a second cut surface (363), with the second cut surface (363) located at the top of the strip groove (362).

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