Forging and pressing device for metal fastener production

Abstract

The invention relates to the technical field of forging and pressing manufacturing, and discloses a forging and pressing device for metal fastener production, the forging and pressing device comprises a base, four limiting rods are fixedly connected to the top of the base, a forging and pressing head is arranged at the top of the base, the outer walls of the four limiting rods are slidably connected with the inner wall of the forging and pressing head, and after bolt forging and pressing are completed, the limiting rods are fixedly connected with the forging and pressing head. Afterwards, an electric telescopic rod is started to stretch out, an extrusion block is pushed to rise, gas in a piston groove is extruded through a compression assembly, high-pressure gas in the piston groove can be sprayed out towards the corner angle of a hexagonal head of the bolt through a gas spraying hole through a spraying assembly, and the high-pressure gas can enter a tiny gap between the corner angle of the bolt and a forging and pressing groove. Adhesion at the corners of the bolt is eliminated, frictional resistance is reduced, the situation that the bolt is tightly attached to the forging and pressing groove after forging and pressing is completed, large demolding force is needed, and the corners are scratched by a mold during demolding is effectively prevented, and the integrity of the hexagonal head of the bolt is guaranteed.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of forging and pressing manufacturing equipment, in particular to a forging and pressing device for metal fastener production. BACKGROUND

[0002] A fastener is a basic term in the industry, which refers to a kind of mechanical part used for fastening and connecting two or more parts (or components) into a whole, and the fastener is a part used for connecting, fixing or clamping objects, and forging and pressing is a metal processing technology, in which a metal is heated and then subjected to plastic deformation in a mold under the action of pressure and impact force, so that a part or product with a required shape and size is obtained, and the technology can improve the density and strength of the metal and improve the mechanical properties.

[0003] When the hexagonal head of a large-size hexagonal bolt is forged and pressed, the forged and pressed area often needs to be heated to a very high temperature, and a large extrusion force is required during forging and pressing, which may cause the corners of the hexagonal head to tightly fit the mold and form a large demolding resistance, and during demolding, the adhered position may be pulled and torn, resulting in damage to the hexagonal bolt. SUMMARY

[0004] To solve the above technical problems, the application provides a forging and pressing device for metal fastener production, which comprises a base, four limiting rods are fixedly connected to the top of the base, a forging head is arranged on the top of the base, and the outer walls of the four limiting rods are slidably connected to the inner wall of the forging head; a forging mechanism, an extrusion assembly is fixedly installed at the top of the forging mechanism, a placing assembly is arranged at the top of the forging mechanism, and the extrusion assembly is used for forging and pressing the bolt after heating; a separation mechanism, the separation mechanism is installed at the inner wall of the forging mechanism and is used for separating the bolt after forging and pressing from the forging mechanism; and a plugging assembly, the plugging assembly is located at the inner wall of the separation mechanism and is used for blocking the flowing gas; A piston groove is formed in the inner wall of the base, an extrusion block is slidably connected to the inner wall of the piston groove, six inclined blocks are fixedly connected to the top of the extrusion block, and a placing table is fixedly connected to the top of the base. The bolt after heating is placed in the placing assembly, the bolt is forged and pressed by the extrusion assembly, the bolt is separated from the placing assembly by the separation mechanism after forging and pressing, the bolt is effectively prevented from being too tightly fitted with the mold after forging and pressing, a large demolding force is required, and the corners are scratched by the mold during demolding, the integrity of the hexagonal head of the bolt is ensured, and finally the separation mechanism has sufficient thrust by the plugging assembly.

[0005] Preferably, the forging mechanism comprises: The bottom of the extrusion assembly is fixedly arranged at the top of the base, and is used for forging a bolt to form a hexagonal head. The bottom of the placing assembly is fixedly arranged at the top of the base, and is used for placing the bolt to be forged. The operator places the bolt after heating in the placing assembly, with the heating end upward, and then extrudes the bolt through the extrusion assembly to form a hexagonal head.

[0006] Preferably, the separation mechanism comprises: The compression assembly is fixedly arranged at the inner wall of the base through a fixing member, and is used for extruding gas; The fixing member comprises an electric telescopic rod fixedly connected at the inner wall of the base, and the top of the extrusion block is fixedly connected with a jacking rod; The injection assembly is slidably arranged at the inner wall of the placing table through a sliding member, and is used for injecting compressed gas; The sliding member comprises six gas injection holes opened at the inner wall of the placing table, and the inner wall of each of the six gas injection holes is slidably connected with a sliding frame; When the bolt forging is completed, the gas is extruded through the compression assembly to increase the gas pressure, and finally, the gas is injected through the injection assembly, so that the gas is injected against the edges of the hexagonal head of the bolt. High-pressure gas can enter the tiny gap between the edges of the bolt and the mold, eliminating the adhesion at the edges of the bolt and reducing the frictional resistance.

[0007] Preferably, the plugging assembly comprises: The plugging assembly is fixedly arranged at the inner wall of the placing table through a supporting member, and is used for blocking the flow of gas; The supporting member comprises six flow guide rings fixedly connected at the inner wall of the bottom of the placing table, and the inner wall of each of the six flow guide rings is slidably connected with a limiting sliding rod; The discharging assembly is slidably arranged at the outer wall of the placing table through a connecting member, and is used for discharging the oxide layer falling into the gas injection hole; The connecting member comprises a spring plugging ring slidably connected at the outer wall of the placing table, and the bottom of the extrusion block is fixedly connected with six connecting rods; When the gas is injected against the edges, when the edges are separated from the mold, the plugging assembly at the edges will block the gas, so that the gas is concentratedly injected from other positions. This effectively prevents the edges from being separated from the mold at some positions first, and the high-pressure gas is concentratedly injected from the position, resulting in insufficient gas thrust at the remaining positions to fully separate the edges of the bolt from the forging groove. The oxide layer falling into the gas injection hole is discharged through the discharging assembly.

[0008] Preferably, the extrusion assembly comprises a hydraulic cylinder arranged at the top of the base, the bottom of the hydraulic cylinder is fixedly connected with the top of four limiting rods, and the bottom output end of the hydraulic cylinder is fixedly connected with the top of the forging head. The placing assembly comprises a forging slot formed in the inner wall of the placing table; Wherein, the operator places the large-size bolt after heating in the forging slot, and the heated end faces upward, then the hydraulic cylinder is started to extend, the forging head is pushed to descend, the forging head is in contact with the heated end of the bolt, the bolt is extruded, then the hydraulic cylinder is retracted, the forging head is lifted, the hydraulic cylinder is extended again, the bolt is extruded again, the bolt is extruded for multiple times, the top of the bolt is in contact with the forging slot, a hexagonal head is formed, after the forging is completed, the hydraulic cylinder is retracted again, and the forging head is separated from the bolt.

[0009] Preferably, the compression assembly comprises eight air supplement holes formed in the inner wall of the base and the placing table, the top of the electric telescopic rod is fixedly connected with the bottom of the extrusion block, and the outer wall of the jacking rod is slidably connected with the inner wall of the placing table. Wherein, the electric telescopic rod is started to extend, the extrusion block is pushed to ascend, and the gas in the piston slot is extruded when the extrusion block ascends and passes the air supplement hole.

[0010] Preferably, the spraying assembly comprises a blocking block fixedly connected with the outer wall of the sliding frame, the outer wall of the blocking block is slidably connected with the inner wall of the air injection hole, and the bottom inner wall of the placing table is fixedly connected with six fixed plates.

[0011] Preferably, the spraying assembly further comprises a bevel spring frame slidably connected with the inner wall of the fixed plate, six connecting rods are rotatably connected with the side walls of the six bevel spring frames, and the inner walls of the six connecting rods are rotatably connected with the top of the sliding frame. The side wall of the placing table is fixedly connected with six limiting blocks, and the inner walls of the six limiting blocks are slidably connected with the outer walls of the six sliding frames. Wherein, the extruded gas is blocked by the blocking block, so that the gas pressure is increased, when the extrusion block ascends, the bevel block and the jacking rod are driven to ascend, with the continuous movement of the bevel block, the bevel of the bevel block is in contact with the bevel of the bevel spring frame, the bevel spring frame is extruded to move towards the fixed plate, the connecting rod is driven to rotate, the sliding frame and the blocking block are driven to descend by the connecting rod, with the continuous movement of the blocking block, the blocking of the gas is cancelled, the high-pressure gas in the piston slot is sprayed to the edges of the hexagonal head of the bolt through the air injection hole, then the extrusion block drives the bevel block to continue to ascend, the bevel of the bevel block is separated from the bevel of the bevel spring frame, and the jacking rod drives the bolt after forging to ascend in the continuous movement process of the jacking rod, finally, the operator takes out the bolt after forging, the high-pressure gas is sprayed to the edges of the bolt after forging, the high-pressure gas can enter the tiny gap between the edges of the bolt and the forging slot, the adhesion of the edges of the bolt is eliminated, the frictional resistance is reduced, the bolt after forging is effectively prevented from being too tightly in contact with the forging slot, a large demolding force is required, the edges are scratched by the mold during demolding, and the integrity of the hexagonal head of the bolt is ensured.

[0012] Preferably, the plugging assembly comprises sealing blocks arranged at the inner wall of the flow guide ring, the top of the six sealing blocks is fixedly connected with the bottom of the six limiting sliding rods, and the inner wall of the six sealing blocks is slidingly connected with the outer wall of the six sliding frames; The inner wall of the six flow guide rings is rotationally connected with a sector-shaped frame, and the inner wall of the six sealing blocks is slidingly connected with a spring block; When the extrusion block extrudes the gas in the piston groove, the high-pressure gas is sprayed out, and flows through the gap between the sealing block and the flow guide ring. Since the adhesion strength of the multiple edges of the bolt and the forging groove is different, when the edge of a weak adhesion area separates from the forging groove, the edge will be connected with the outside, causing the high-pressure gas flowing from the edge to flow faster. The gas will push the sector-shaped frame to rotate, the sector-shaped frame will push the sealing block to rise, and the gas flow will be blocked. The high-pressure gas in the piston groove will concentrate on the other edges and be sprayed out, effectively preventing the edges from separating from the forging groove first. The high-pressure gas is concentrated from the edge, causing the gas thrust at the remaining position to be insufficient to fully separate the edge of the bolt from the forging groove.

[0013] Preferably, the discharging assembly comprises six inclined grooves arranged in the inner wall of the forging groove, the inner wall of the six jet holes is fixedly connected with a beveled flow guide block, and the inner wall of the six beveled flow guide blocks is slidingly connected with the outer wall of the six sliding frames; The outer wall of the six connecting rods is slidingly connected with the inner wall of the base and the placement table, and the inner wall of the placement table is slidingly connected with six spring blocking blocks; Since the hexagonal head of the bolt is heated, an oxide layer is formed. When the bolt is forged, the oxide layer falls into the forging groove. When the sliding frame is lowered and the high-pressure gas is sprayed out, part of the oxide layer may enter the jet hole and slide down the inclined surface of the beveled flow guide block into the inclined groove. When the high-pressure gas is released and the extrusion block continues to rise, the extrusion block will also drive the connecting rod to rise, so that the connecting rod contacts the spring blocking ring, lifts the spring blocking ring, and discharges the oxide layer in the inclined groove. This effectively prevents the oxide layer from falling into the piston groove through the jet hole when the bolt is forged, which can easily cause more impurities in the piston groove, occupy the space in the piston groove, and affect the generation of high pressure.

[0014] The present application has the following advantages: (1) The operator of the present application places the large-size bolt after heating in the forging groove, with the heated end upwards, then starts the hydraulic cylinder to extend and push the extrusion assembly to extrude the bolt to form a hexagonal head, then starts the electric telescopic rod to extend and push the extrusion block to rise, through the compression assembly, the gas in the piston groove is extruded, through the jetting assembly, the high-pressure gas in the piston groove will be jetted out through the jet hole towards the corners of the hexagonal head of the bolt, the high-pressure gas can enter the tiny gap between the corners of the bolt and the forging groove, eliminating the adhesion at the corners of the bolt, reducing the friction resistance, effectively preventing the bolt from being too tightly fitted with the forging groove after forging, requiring a large demolding force, and the corners being scratched by the mold during demolding, ensuring the integrity of the hexagonal head of the bolt.

[0015] (2) When the extrusion block extrudes the gas in the piston groove, the high-pressure gas will flow through the gap between the plugging block and the flow guide ring when it is jetted out, because the adhesion strength of the multiple corners of the bolt to the forging groove is different, when the corners of a weak adhesion area are separated from the forging groove, the corners will be connected to the outside, causing the high-pressure gas flowing from the corners to flow at a faster speed, the gas will push the fan-shaped frame to rotate, the fan-shaped frame will push the plugging block to rise, which will block the gas flow, the high-pressure gas in the piston groove will be concentrated to jet out from other corners, effectively preventing some corners from being separated from the forging groove first, the high-pressure gas being concentrated to jet out from the corners, causing insufficient gas thrust at the remaining positions, making it difficult to fully separate the corners of the bolt from the forging groove.

[0016] (3) Because the hexagonal head of the bolt is heated, an oxide layer will be formed, when the bolt is forged, the oxide layer will fall into the forging groove, and when the sliding frame is lowered to jet out the high-pressure gas, part of the oxide layer may enter the jet hole and slide down the inclined surface of the inclined surface flow guide block into the inclined groove, when the high-pressure gas is released and the extrusion block continues to rise, the extrusion block will also drive the connecting rod to rise, so that the connecting rod contacts the spring block ring, lifts the spring block ring, and discharges the oxide layer in the inclined groove, effectively preventing the oxide layer from falling into the piston groove through the jet hole during the forging of the bolt, which can easily cause more impurities in the piston groove, occupy the space in the piston groove, and affect the generation of high pressure.

[0017] (4) When the bolt is demolded again, the inclined surface of the sliding frame will contact the inclined surface of the spring block when the sliding frame is lowered, extruding the spring block and pushing the spring block to descend, so that the plugging block is lowered, effectively preventing the plugging block from being in close contact with the flow guide ring after contact, the plugging block continuously blocking the gas flow, affecting the gas entering the jet hole; in addition, when the bolt is forged, the spring block will block the sliding frame, effectively preventing the heated bolt from being forged, the metal after being heated has strong fluidity, which may push the sliding frame to descend, causing the corners of the bolt to deform and enter the jet hole, which will block the discharge of the gas. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a schematic cross-sectional view of the overall structure of the present invention; Figure 2 It is a schematic diagram of the overall structure of the present invention; Figure 3 It is a cross-sectional schematic diagram of the forging head of the present invention; Figure 4 This is a schematic cross-sectional view of the base of the present invention; Figure 5 It is a cross-sectional schematic diagram of the placement table of the present invention; Figure 6 For the present invention Figure 5 A in the middle is an enlarged schematic diagram; Figure 7 This is a schematic diagram of the internal structure of the base of the present invention; Figure 8 For the present invention Figure 7 The enlarged schematic diagram of point B in the middle; Figure 9 For the present invention Figure 7 Enlarged schematic diagram at point C in the middle; Figure 10 It is a schematic diagram of the sliding frame structure of the present invention.

[0020] In the accompanying drawings, the components represented by the reference numerals are as follows: In the figure: 1. Forging mechanism; 11. Extrusion assembly; 12. Placement assembly; 111. Base; 112. Limit rod; 113. Hydraulic cylinder; 114. Forging head; 121. Placement table; 122. Forging groove; 2. Separation mechanism; 21. Compression assembly; 22. Injection assembly; 211. Piston groove; 212. Electric telescopic rod; 213. Extrusion block; 214. Inclined block; 215. Air supply hole; 216. Lifting rod; 221. Jet hole; 22 2. Sliding frame; 223. Blocking block; 224. Fixed plate; 225. Inclined spring frame; 226. Connecting rod; 227. Limiting block; 3. Blocking assembly; 31. Blocking assembly; 32. Discharge assembly; 311. Guide ring; 312. Blocking block; 313. Limiting slide rod; 314. Fan-shaped frame; 315. Spring block; 321. Spring blocking ring; 322. Connecting rod; 323. Inclined guide block; 324. Inclined groove; 325. Spring blocking block. DETAILED DESCRIPTION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0022] Embodiment one, please refer to Figures 1-4 The present application is a forging device for metal fastener production, which comprises a base 111, four limiting rods 112 fixedly connected to the top of the base 111, a forging head 114 arranged on the top of the base 111, and the outer walls of the four limiting rods 112 are slidably connected to the inner wall of the forging head 114; a forging mechanism 1, an extrusion assembly 11 fixedly installed on the top of the forging mechanism 1, and a placing assembly 12 arranged on the top of the forging mechanism 1, the extrusion assembly 11 being used for forging the bolt after heating; a separation mechanism 2 installed on the inner wall of the forging mechanism 1 and used for separating the bolt after forging from the forging mechanism 1; and a plugging assembly 3 located on the inner wall of the separation mechanism 2 and used for blocking the flowing gas; A piston groove 211 is formed in the inner wall of the base 111, and an extrusion block 213 is slidably connected to the inner wall of the piston groove 211, the top of the extrusion block 213 is fixedly connected to six inclined blocks 214, and a placing table 121 is fixedly connected to the top of the base 111; The bolt after heating is placed in the placing assembly 12, the bolt is forged by the extrusion assembly 11, the bolt is separated from the placing assembly 12 by the separation mechanism 2 after forging, the bolt is effectively prevented from being too tightly combined with the mold after forging, a large demolding force is required, the corners are scratched by the mold during demolding, the integrity of the hexagonal head of the bolt is ensured, and finally the separation mechanism 2 has sufficient thrust by the plugging assembly 3.

[0023] The forging mechanism 1 comprises: an extrusion assembly 11, the bottom of the extrusion assembly 11 being fixedly arranged on the top of the base 111 and being used for forging the bolt to form a hexagonal head; a placing assembly 12, the bottom of the placing assembly 12 being fixedly arranged on the top of the base 111 and being used for placing the bolt to be forged; The bolt after heating is placed in the placing assembly 12 by an operator, the heating end faces upward, and then the bolt is extruded by the extrusion assembly 11 to form a hexagonal head.

[0024] The separation mechanism 2 comprises: The compression assembly 21 is fixedly arranged at the inner wall of the base 111 by a fixing member, and is used for extruding gas; The fixing member comprises an electric telescopic rod 212 fixedly connected at the inner wall of the base 111, and a jacking rod 216 fixedly connected at the top of the extrusion block 213; The jetting assembly 22 is slidably arranged at the inner wall of the placement table 121 by a sliding member, and is used for jetting the compressed gas; The sliding member comprises six jet holes 221 formed at the inner wall of the placement table 121, and a sliding frame 222 slidably connected at the inner wall of each of the six jet holes 221; When the bolt forging and pressing is completed, the gas is extruded by the compression assembly 21, the gas pressure is increased, and finally, the gas is jetted by the jetting assembly 22, so that the gas is jetted against the edges of the hexagonal head of the bolt. The high-pressure gas can enter the tiny gap between the edges of the bolt and the die, eliminate the adhesion at the edges of the bolt, and reduce the frictional resistance.

[0025] The plugging assembly 3 comprises: The plugging assembly 31 is fixedly arranged at the inner wall of the placement table 121 by a supporting member, and is used for blocking the flow of the gas; The supporting member comprises six flow guide rings 311 fixedly connected at the inner wall of the bottom of the placement table 121, and a limiting sliding rod 313 slidably connected at the inner wall of each of the six flow guide rings 311; The discharging assembly 32 is slidably arranged at the outer wall of the placement table 121 by a connecting member, and is used for discharging the oxide layer falling into the jet hole 221; The connecting member comprises a spring plugging ring 321 slidably connected at the outer wall of the placement table 121, and six connecting rods 322 fixedly connected at the bottom of the extrusion block 213; When the gas is jetted against the edges, when the edges are separated from the die, the plugging assembly 31 at the position is blocked to the gas, so that the gas is jetted from other positions, which effectively prevents the edges from being separated from the die at the first position, the high-pressure gas is jetted from the position, and the gas thrust of the remaining position is insufficient to separate the edges of the bolt from the forging and pressing groove 122. The oxide layer falling into the jet hole 221 is discharged by the discharging assembly 32.

[0026] In the second embodiment, please refer to Figures 1-10 The extrusion assembly 11 of the forging and pressing device for metal fastener production comprises a hydraulic cylinder 113 arranged at the top of the base 111, the bottom of the hydraulic cylinder 113 is fixedly connected with the top of the four limiting rods 112, and the bottom output end of the hydraulic cylinder 113 is fixedly connected with the top of the forging head 114; The placement assembly 12 comprises a forging and pressing groove 122 formed at the inner wall of the placement table 121; The operator places the large-size bolt after heating in the forging groove 122, with the heated end upward, then starts the hydraulic cylinder 113 to extend, pushes the forging head 114 to descend, makes the forging head 114 contact with the heated end of the bolt, extrudes the bolt, then retracts the hydraulic cylinder 113, makes the forging head 114 rise, then extends the hydraulic cylinder 113 again to extrude the bolt again, extrudes the bolt for multiple times, makes the top of the bolt adhere to the forging groove 122, forms a hexagonal head, after forging, retracts the hydraulic cylinder 113 again, makes the forging head 114 separate from the bolt.

[0027] The compression assembly 21 comprises eight air supplement holes 215 arranged at the inner wall of the base 111 and the placement table 121, the top of the electric telescopic rod 212 is fixedly connected with the bottom of the extrusion block 213, and the outer wall of the jacking rod 216 is slidably connected with the inner wall of the placement table 121. When the extrusion block 213 rises over the air supplement hole 215, the gas in the piston groove 211 is extruded.

[0028] The injection assembly 22 comprises a blocking block 223 fixedly connected with the outer wall of the sliding frame 222, the outer wall of the blocking block 223 is slidably connected with the inner wall of the air injection hole 221, and the bottom inner wall of the placement table 121 is fixedly connected with six fixed plates 224.

[0029] The injection assembly 22 further comprises a bevel spring frame 225 slidably connected with the inner wall of the fixed plate 224, six connecting rods 226 are rotatably connected with the side wall of the six bevel spring frames 225, and the inner wall of the six connecting rods 226 is rotatably connected with the top of the sliding frame 222. The side wall of the placement table 121 is fixedly connected with six limiting blocks 227, and the inner wall of the six limiting blocks 227 is slidably connected with the outer wall of the six sliding frames 222. Wherein, the gas being extruded will be blocked by the blocking block 223, so the gas pressure will rise, when the extrusion block 213 rises, the inclined block 214 and the jacking rod 216 will rise, with the continuous movement of the inclined block 214, the inclined surface of the inclined block 214 will contact with the inclined surface of the inclined spring frame 225, extruding the inclined spring frame 225 to move towards the fixed plate 224, pushing the connecting rod 226 to rotate, making the connecting rod 226 push the sliding frame 222 and the blocking block 223 to descend, with the continuous movement of the blocking block 223, the gas flow will be blocked, the high-pressure gas in the piston groove 211 will be sprayed out through the gas injection hole 221 to the corners of the hexagonal head of the bolt, then the extrusion block 213 drives the inclined block 214 to continue to rise, the inclined surface of the inclined block 214 will be separated from the inclined spring frame 225, during the continuous movement of the jacking rod 216, the jacking rod 216 will push the bolt after forging and pressing to rise, finally, the operator takes out the bolt after forging and pressing, by spraying high-pressure gas at the corners of the bolt after forging and pressing, the high-pressure gas can enter the small gap between the corners of the bolt and the forging groove 122, eliminating the adhesion at the corners of the bolt, reducing the friction resistance, effectively preventing the bolt after forging and pressing from being too tightly fitted with the forging groove 122, which requires a large demolding force, and the corners are scratched by the mold during demolding, ensuring the integrity of the hexagonal head of the bolt.

[0030] The blocking assembly 31 comprises six blocking blocks 312 arranged at the inner wall of the flow guide ring 311, the top of each of the six blocking blocks 312 is fixedly connected with the bottom of a limiting sliding rod 313, and the inner wall of each of the six blocking blocks 312 is slidingly connected with the outer wall of a sliding frame 222; The inner wall of each of the six flow guide rings 311 is rotatably connected with a sector frame 314, and the inner wall of each of the six blocking blocks 312 is slidingly connected with a spring block 315; Wherein, when the extrusion block 213 extrudes the gas in the piston groove 211, the high-pressure gas will flow through the gap between the blocking block 312 and the flow guide ring 311 when it is sprayed out, and because the adhesion strength of the multiple corners of the bolt to the forging groove 122 is different, when the corners of a weak adhesion area are separated from the forging groove 122, the corners will be connected with the outside, causing the high-pressure gas flowing from the corners to flow at a relatively high speed, which will push the sector frame 314 to rotate, the sector frame 314 will push the blocking block 312 to rise, which will block the gas flow, and the high-pressure gas in the piston groove 211 will be concentrated to be sprayed out at other corners, effectively preventing some positions of the corners from being separated from the forging groove 122 first, and the high-pressure gas being concentrated to be sprayed out from the positions, causing the gas thrust of the remaining positions to be insufficient to fully separate the corners of the bolt from the forging groove 122.

[0031] The discharging assembly 32 comprises six inclined grooves 324 arranged at the inner wall of the forging groove 122, the inner wall of each of the six gas injection holes 221 is fixedly connected with an inclined flow guide block 323, and the inner wall of each of the six inclined flow guide blocks 323 is slidingly connected with the outer wall of a sliding frame 222. The outer wall of the six connecting rods 322 is slidably connected with the inner wall of the base 111 and the placing table 121, and the inner wall of the placing table 121 is slidably connected with six spring blocking blocks 325; Wherein, since the hexagonal head of the bolt is heated, an oxide layer is formed, and when the bolt is forged, the oxide layer falls into the forging groove 122, and when the sliding frame 222 is lowered and the high-pressure gas is sprayed out, part of the oxide layer may enter the jet hole 221 and slide along the inclined surface of the inclined flow guide block 323 into the inclined groove 324, and when the high-pressure gas is released and the pressing block 213 continues to rise, the pressing block 213 also drives the connecting rod 322 to rise, so that the connecting rod 322 contacts the spring blocking ring 321, the spring blocking ring 321 is lifted, the oxide layer in the inclined groove 324 is discharged, effectively preventing the oxide layer from falling into the piston groove 211 through the jet hole 221 when the bolt is forged, which may cause more impurities in the piston groove 211, occupy the space in the piston groove 211, and affect the generation of high pressure.

[0032] The number of the above components is not limited, and those skilled in the art can freely set according to actual needs, as long as the components are installed at the corresponding component connection positions.

[0033] One specific application of the embodiment is that when the application is used, the operator places the large-size bolt after heating in the forging groove 122, with the heated end upward, then starts the hydraulic cylinder 113 to extend, pushes the forging head 114 to descend, and makes the forging head 114 contact with the heated end of the bolt to extrude the bolt, then retracts the hydraulic cylinder 113 to make the forging head 114 rise, then extends the hydraulic cylinder 113 again to make the forging head 114 extrude the bolt again, and extrudes the bolt for multiple times to make the top of the bolt adhere to the forging groove 122 to form a hexagonal head, after forging, the hydraulic cylinder 113 is retracted again to separate the forging head 114 from the bolt; Afterwards, the electric telescopic rod 212 is started to extend, pushing the extrusion block 213 to rise. When the extrusion block 213 rises over the air supplement hole 215, the gas in the piston groove 211 will be extruded. At this time, the extruded gas will be blocked by the blocking block 223, so the gas pressure will rise. When the extrusion block 213 rises, the inclined block 214 and the jacking rod 216 will rise. With the continuous movement of the inclined block 214, the inclined surface of the inclined block 214 will contact the inclined surface of the inclined spring frame 225, extruding the inclined spring frame 225 to move towards the fixed plate 224, pushing the connecting rod 226 to rotate, so that the connecting rod 226 pushes the sliding frame 222 and the blocking block 223 to descend. With the continuous movement of the blocking block 223, the gas will be unblocked. The high-pressure gas in the piston groove 211 will be sprayed out through the air injection hole 221 to the corners of the hexagonal head of the bolt, and then the extrusion block 213 will continue to rise with the inclined block 214. The inclined surface of the inclined block 214 will be separated from the inclined spring frame 225. During the continuous movement of the jacking rod 216, the jacking rod 216 will push the bolt after forging and pressing to rise. Finally, the operator takes out the bolt after forging and pressing. By spraying high-pressure gas at the corners of the bolt after forging and pressing, the high-pressure gas can enter the small gap between the corners of the bolt and the forging groove 122, eliminating the adhesion at the corners of the bolt, reducing the frictional resistance, effectively preventing the bolt after forging and pressing from being too tightly attached to the forging groove 122, which requires a large demolding force, and the corners are scratched by the mold during demolding, ensuring the integrity of the hexagonal head of the bolt; Secondly, when the extrusion block 213 extrudes the gas in the piston groove 211, the gas pressure is slowly raised, so that the blocking block 312 is in a high-pressure environment. When the high-pressure gas is sprayed out, it will flow through the gap between the blocking block 312 and the flow guide ring 311. Due to the different adhesion strengths of the multiple corners of the bolt and the forging groove 122, some areas are stronger and some areas are weaker. When the corners of a weak adhesion area are separated from the forging groove 122, the corners will be connected to the outside world, and the high-pressure gas will flow towards this place, resulting in a faster flow rate of the high-pressure gas flowing from this place. The gas will contact the blades of the fan-shaped frame 314, pushing the blades to move and rotate the fan-shaped frame 314. The fan-shaped frame 314 will push the blocking block 312 to rise, making the gap between the blocking block 312 and the flow guide ring 311 smaller. When the blocking block 312 rises and contacts the inner wall of the flow guide ring 311, it will block the gas flow. The high-pressure gas will contact the bottom of the blocking block 312, pushing the blocking block 312 to move. The high-pressure gas in the piston groove 211 will be concentrated to spray out of other corners, effectively preventing some positions of the corners from being separated from the forging groove 122 first. The high-pressure gas is concentrated to spray out from this place, resulting in insufficient gas thrust at the remaining positions to fully separate the corners of the bolt from the forging groove 122; Secondly, since the hexagonal head of the bolt is heated, an oxide layer is formed, which will fall into the forging groove 122 when the bolt is forged, and when the sliding frame 222 is lowered and the high-pressure gas is sprayed out, part of the oxide layer may enter the jet hole 221 and contact the inclined surface of the inclined flow guide block 323, slide down the inclined surface of the inclined flow guide block 323 into the inclined groove 324, and when the blocking block 223 separates from the jet hole 221, the high-pressure gas will also enter the inclined groove 324, push the falling oxide layer, and move towards the spring blocking ring 321. The high-pressure gas will be blocked by the spring blocking ring 321 to maintain sufficient pressure. When the high-pressure gas is released and the extrusion block 213 continues to rise, the extrusion block 213 will also drive the connecting rod 322 to rise, so that the connecting rod 322 contacts the spring blocking ring 321, lifts the spring blocking ring 321, accumulates the elastic force, and makes the inclined groove 324 leak and communicate with the outside, so that the oxide layer in the inclined groove 324 is discharged, effectively preventing the oxide layer from falling into the piston groove 211 through the jet hole 221 when the bolt is forged, which may cause more impurities in the piston groove 211, occupy the space in the piston groove 211, and affect the generation of high pressure gas. When the bolt is taken out after the bolt forging is completed, the extrusion block 213, the inclined block 214 and the lifting rod 216 are lowered by retracting the electric telescopic rod 212, the elastic force of the inclined spring frame 225 is released when the inclined block 214 separates from the inclined spring frame 225, the self-resetting force is released, the sliding frame 222 and the blocking block 223 are raised, the blocking block 223 is again inserted into the jet hole 221 to block the gas again, and when the extrusion block 213 is lowered, the gas supplement hole 215 is again communicated with the inside of the piston groove 211, so that the outside gas enters the piston groove 211 to complete the gas supplement. Second, when the bolt is demoulding again, the slide frame 222 is lowered, the slope of the slide frame 222 is in contact with the slope of the spring block 315, the spring block 315 is extruded, the spring block 315 accumulates the elastic force, the slope of the spring block 315 is in contact with the slope of the slide frame 222 through the elastic force, the friction force of the two is increased, the slide frame 222 is lowered, the spring block 315 is lowered, the blocking block 312 is lowered, until the blocking block 312 stops moving, the blocking block 312 is reset, the slide frame 222 continues to move, the spring block 315 is extruded into the blocking block 312, the slide frame 222 moves smoothly, the blocking block 312 is reset by pushing, the blocking block 312 and the flow guide ring 311 are prevented from being in close contact after being in contact, the blocking block 312 is prevented from continuously blocking the gas flow, and the gas entering the air injection hole 221 is affected; in addition, when the bolt is forged and pressed, the spring block 325 blocks the slide frame 222, when the inclined block 214 is lifted by the extrusion block 213 and the lifting rod 216, the inclined block 214 is not in contact with the inclined spring frame 225, the lifting rod 216 is separated from the spring block 325, the spring block 325 is reset, the blocking of the slide frame 222 is cancelled, the slide frame 222 is lowered smoothly, the slide frame 222 is prevented from being lowered by the spring block 325, and the metal is prevented from flowing after being heated when the bolt is forged and pressed, so that the bolt corner is prevented from being deformed into the air injection hole 221, and the gas is prevented from being blocked. When the lifting rod 216 is reset, the slope of the lifting rod 216 extrudes the spring block 325 to move, the spring block 325 is in a compressed state, the spring block 325 is extended, and the slide frame 222 is blocked.

[0034] The preferred embodiments disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details, and the application is not limited to the specific embodiments described. Obviously, many modifications and changes can be made according to the content of the specification. The embodiments are selected and described in the specification in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A forging device for producing metal fasteners, comprising a base (111), four limiting rods (112) fixedly connected to the top of the base (111), a forging head (114) provided on the top of the base (111), the outer walls of the four limiting rods (112) being slidably connected to the inner wall of the forging head (114), characterized in that: Also includes: A forging mechanism (1), wherein an extrusion assembly (11) is fixedly mounted on the top of the forging mechanism (1), a placement assembly (12) is mounted on the top of the forging mechanism (1), and the extrusion assembly (11) is used to forge heated bolts; A separation mechanism (2), the separation mechanism (2) being installed on the inner wall of the forging mechanism (1) and used for separating the bolt from the forging mechanism (1) after forging is completed; as well as A blocking component (3), the blocking component (3) being located at the inner wall of the separation mechanism (2) and being used to block the flow of gas; A piston groove (211) is provided on the inner wall of the base (111), an extrusion block (213) is slidably connected to the inner wall of the piston groove (211), six inclined blocks (214) are fixedly connected to the top of the extrusion block (213), and a placement platform (121) is fixedly connected to the top of the base (111); The heated bolt is placed in the placement component (12), and the bolt is forged by the extrusion component (11). After the forging is completed, the bolt is separated from the placement component (12) by the separation mechanism (2), and finally the separation mechanism (2) has sufficient thrust by the blocking component (3).

2. A forging device for producing metal fasteners according to claim 1, characterized in that: The forging mechanism (1) comprises: An extrusion assembly (11), the bottom of the extrusion assembly (11) being fixedly arranged with the top of the base (111) for forging a bolt to form a hexagonal head; A placement component (12), wherein the bottom of the placement component (12) is fixedly arranged with the top of the base (111) and is used for placing bolts to be forged; The operator places the heated bolt in the placement assembly (12) with the heated end facing upward, and then squeezes the bolt through the squeezing assembly (11) to form a hexagonal head.

3. A forging device for producing metal fasteners according to claim 2, characterized in that: The separation mechanism (2) comprises: A compression assembly (21), the compression assembly (21) being fixedly arranged on the inner wall of the base (111) via a fixing member and being used for compressing gas; The fixing member comprises an electric telescopic rod (212) fixedly connected to the inner wall of the base (111), and a lifting rod (216) is fixedly connected to the top of the extrusion block (213); An injection assembly (22), the injection assembly (22) being slidably disposed on the inner wall of the placement table (121) via a sliding member, and being used to eject compressed gas; The sliding member comprises six air-jet holes (221) formed on the inner wall of the placement platform (121), and the inner walls of the six air-jet holes (221) are all slidably connected to a sliding frame (222); When the bolt forging is completed, the gas is squeezed through the compression assembly (21) to increase the gas pressure, and finally, the gas is ejected through the ejection assembly (22) so that the gas is ejected toward the corners of the hexagonal head of the bolt, thereby reducing the adhesion between the bolt and the die.

4. A forging device for producing metal fasteners according to claim 3, characterized in that: The blocking component (3) comprises: A blocking component (31), the blocking component (31) being fixedly arranged on the inner wall of the placement platform (121) via a support member, and being used to block the flow of gas; The support member comprises six guide rings (311) fixedly connected to the inner wall of the bottom of the placement platform (121), and the inner walls of the six guide rings (311) are all slidably connected to the limiting sliding rods (313); a discharge assembly (32), the discharge assembly (32) being slidably disposed on the outer wall of the placement platform (121) via a connecting piece and being used to discharge the oxide layer that falls into the air injection hole (221); The connecting member comprises a spring blocking ring (321) slidably connected to the outer wall of the placement platform (121), and six connecting rods (322) are fixedly connected to the bottom of the extrusion block (213); When the gas is ejected toward the corners, when a corner is separated from the mold, the blocking component (31) at that corner will block the gas, allowing the gas to be ejected from other locations, and the oxide layer that falls into the air injection hole (221) will be discharged through the discharge component (32).

5. A forging device for producing metal fasteners according to claim 4, characterized in that: The extrusion assembly (11) includes a hydraulic cylinder (113) arranged on the top of the base (111), the bottom of the hydraulic cylinder (113) is fixedly connected to the tops of four limit rods (112), and the bottom output end of the hydraulic cylinder (113) is fixedly connected to the top of the forging head (114); The placement component (12) includes a forging groove (122) provided on the inner wall of the placement table (121); The operator places the heated bolt on the placement table (121) with the heated end facing upward, and then activates the hydraulic cylinder (113) to lower the forging head (114) to squeeze the bolt so that it is compressed into a hexagonal head.

6. A forging device for producing metal fasteners according to claim 5, characterized in that: The compression assembly (21) includes eight air supply holes (215) provided on the inner wall of the base (111) and the placement platform (121); the top of the electric telescopic rod (212) is fixedly connected to the bottom of the extrusion block (213); and the outer wall of the lifting rod (216) is slidably connected to the inner wall of the placement platform (121); When the hexagonal head of the bolt is forged, the extrusion block (213) is pushed upward by starting the electric telescopic rod (212), thereby squeezing the gas in the piston groove (211) and increasing the gas pressure.

7. A forging device for producing metal fasteners according to claim 6, characterized in that: The injection assembly (22) includes a blocking block (223) fixedly connected to the outer wall of the sliding frame (222), the outer wall of the blocking block (223) is slidably connected to the inner wall of the injection hole (221), and six fixing plates (224) are fixedly connected to the inner wall of the bottom of the placement platform (121).

8. A forging device for producing metal fasteners according to claim 7, characterized in that: The injection assembly (22) further includes an inclined spring frame (225) slidably connected to the inner wall of the fixed plate (224), the side walls of the six inclined spring frames (225) are all rotatably connected to connecting rods (226), and the inner walls of the six connecting rods (226) are all rotatably connected to the top of the sliding frame (222); Six limit blocks (227) are fixedly connected to the side walls of the placement platform (121), and the inner walls of the six limit blocks (227) are slidably connected to the outer walls of the six sliding racks (222); When the extrusion block (213) moves, it drives the inclined surface block (214) to squeeze the inclined surface spring frame (225) to move, and pushes the sliding frame (222) and the blocking block (223) to descend through the connecting rod (226), thereby removing the obstruction to the gas and allowing the high-pressure gas to be ejected toward the corners.

9. A forging device for producing metal fasteners according to claim 8, characterized in that: The blocking assembly (31) includes a blocking block (312) arranged on the inner wall of the guide ring (311), the tops of the six blocking blocks (312) are fixedly connected to the bottoms of the six limiting slide bars (313), and the inner walls of the six blocking blocks (312) are slidably connected to the outer walls of the six sliding frames (222); The inner walls of the six guide rings (311) are all rotatably connected to a fan-shaped frame (314), and the inner walls of the six blocking blocks (312) are all slidably connected to a spring block (315); When a corner is blown by high-pressure gas and separated from the forging groove (122), the high-pressure gas at this corner will quickly flow through the gap between the blocking block (312) and the guide ring (311), driving the fan-shaped frame (314) to rotate, pushing the blocking block (312) up, and blocking the gas flow.

10. A forging device for producing metal fasteners according to claim 9, characterized in that: The discharge assembly (32) includes six inclined grooves (324) formed on the inner wall of the forging groove (122), the inner walls of the six air injection holes (221) are fixedly connected with inclined guide blocks (323), and the inner walls of the six inclined guide blocks (323) are slidably connected to the outer walls of the six sliding frames (222); The outer walls of the six connecting rods (322) are all slidably connected to the inner walls of the base (111) and the placement platform (121), and the inner wall of the placement platform (121) is slidably connected to six spring blocking blocks (325); When the high-pressure gas is ejected, the oxide layer of the hexagonal head will fall off, and part of the oxide layer will enter the jet hole (221) and fall into the inclined guide block (323) and the inclined groove (324), and the oxide layer will be discharged through the inclined groove (324).

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