A stamping die for steel structure production

Abstract

The present invention belongs to the technical field of stamping die devices, and in particular to a stamping die for steel structure production. In view of the problems existing in the prior art, the following scheme is proposed, including a machine platform, a cooling mechanism is arranged on the top of the machine platform, the cooling mechanism includes a slot opened on the top of the machine platform, at least four openings three are evenly opened between the inner wall and the outer wall of the top of the slot, at least four fixed columns aligned with the openings three are evenly fixedly connected to the top of the machine platform, and a cavity is opened inside the fixed column. The present invention fixes a liquid storage tank filled with cooling oil on the machine platform through the fixed columns, and the cooling oil enters the slot through the fixed pipe, and the motor is started, and the motor drives the second shaft to rotate, and the second shaft drives the second sprocket to rotate, and the second sprocket drives the first sprocket to rotate through the chain, and the first sprocket drives the first shaft to rotate, and the first shaft drives the rotating block to rotate, and the rotating block drives the connecting frame to rotate, and the connecting frame drives the lifting column to move up and down.

Description

Technical Field

[0001] The invention relates to the technical field of stamping die devices, and in particular to a stamping die for steel structure production. Background Art

[0002] Stamping dies, also known as punching dies, metal dies, and metal stamping dies, are pressure processing methods that use a mold fixed on a punch or press to apply a certain pressure to metal or non-metal sheets to separate or shape the materials, thereby obtaining parts with certain size requirements and qualified appearance quality.

[0003] After searching, the Chinese invention patent with publication number CN113333594A is named as circulating cooling device and stamping die for stamping die. The patented device makes the temperature of the stamping upper die in the first installation groove exceed the temperature set by the temperature control switch, so that the temperature control switch in the first installation groove disconnects the second electromagnet and turns on the first electromagnet, so that the first electromagnet adsorbs the slider, the stamping upper die in the first installation groove no longer works and enters a cooling state, and the stamping upper die in the second installation groove starts to work; conversely, when the temperature of the stamping upper die in the second installation groove exceeds the temperature set by the temperature control switch, the temperature control switch in the second installation groove disconnects the first electromagnet and turns on the second electromagnet, so that the second electromagnet adsorbs the slider, the stamping upper die in the second installation groove no longer works and enters a cooling state, and the stamping upper die in the first installation groove starts to work. This process does not require shutdown for cooling or replacement of the stamping upper die, which saves a lot of time and improves work efficiency.

[0004] However, the patented device cannot always be cooled and lubricated during the stamping process, which may cause wear on the device and the product, affecting the production quality of the device. Summary of the invention

[0005] Based on the technical problems existing in the prior art, the present invention proposes a stamping die for steel structure production.

[0006] A stamping die for steel structure production proposed in the present invention includes a machine table, a cooling mechanism is arranged on the top of the machine table, the cooling mechanism includes a slot opened on the top of the machine table, at least four openings three are evenly opened between the inner wall and the outer wall of the top of the slot, at least four fixed columns aligned with the openings three are evenly fixedly connected to the top of the machine table, a cavity is opened inside the fixed columns, at least two of the fixed columns have their circumferential side outer walls slidably connected to a lifting cylinder one, and at least two other fixed columns have their circumferential side outer walls slidably connected to a lifting cylinder two, and nozzles are evenly fixedly connected between the circumferential side inner walls and the outer walls of the fixed columns.

[0007] Preferably, an opening one located above the fixed column is evenly provided between the inner wall and the outer wall of the circumferential side surface of the lifting cylinder one, and the openings one on the two lifting cylinders are at different heights; an opening two aligned with the nozzle is evenly provided between the inner wall and the outer wall of the circumferential side surface of the lifting cylinder two, and the openings two on the two lifting cylinders are at different heights; a spring one surrounding the fixed column is fixedly connected between the bottom of the lifting cylinder one and the top of the machine platform, and between the bottom of the lifting cylinder two and the top of the machine platform.

[0008] Preferably, the top of the machine is evenly and fixedly connected with at least four supporting columns, the top of the supporting columns is fixedly connected with a top box, the bottom outer wall of the top box is evenly provided with at least four extrusion blocks aligned with the fixed columns, the top of the machine is detachably connected with at least two liquid storage tanks, the top of the liquid storage tank is detachably connected with a top cover, a fixing pipe is fixedly connected between the side inner wall of the liquid storage tank and the top inner wall of the slot, the top inner wall of the machine is fixedly connected with a pump body, one end of the pump body is fixedly connected with an air pipe, and the other end of the air pipe extends to the inside of the slot.

[0009] Preferably, a movable frame is slidably connected between the top inner wall and the bottom inner wall of the slot, a fixed plate is fixedly connected to the bottom inner wall of the slot, a second spring is fixedly connected between one side of the fixed plate and one side of the movable frame, a baffle is fixedly connected to the circumferential side outer wall of the lifting cylinder two, the other end of the baffle passes through the slot and extends to the top inner wall of the machine, and air grooves are evenly arranged between the two sides of the baffle.

[0010] Preferably, a motor is fixedly connected to an inner wall of one side of the top box, the output shaft of the motor is fixedly connected to a second rotating shaft, the circumferential side surface of the second rotating shaft is rotatably connected to an inner side of one side of the top box, one end of the circumferential side surface of the second rotating shaft is fixedly connected to a sprocket wheel two located outside the top box, and rotating shaft one is rotatably connected between both inner and outer walls of the top box, a circumferential side surface of the first rotating shaft is fixedly connected to a sprocket wheel one aligned with the second sprocket, and a chain is meshedly connected between the circumferential side surface of the sprocket wheel one and the circumferential side surface of the sprocket wheel two.

[0011] Preferably, one end of the rotating shaft is fixedly connected to a rotating block located inside the top box, one side of the rotating block is fixedly connected to a connecting shaft, the circumferential side surface of the connecting shaft is fixedly connected to a connecting frame, a lifting column is slidably connected between the bottom inner wall and the outer wall of the top box, the top of the lifting column is rotatably connected to a fixed shaft, the circumferential side surface of the fixed shaft is rotatably connected to the inside of the connecting frame, the bottom of the lifting column is fixedly connected to a lifting plate, and the top of the extrusion block is fixedly connected to the bottom of the lifting plate.

[0012] Preferably, a fixing block is detachably connected between the inner wall and the outer wall of the top of the machine, an annular groove is provided inside the fixing block, a spiral tube is evenly and fixedly connected to the inner wall of the circumferential side of the annular groove, one end of the spiral tube extends to the outside of the machine, and the other end of the spiral tube is fixedly connected to a connecting tube.

[0013] Preferably, an extrusion column is fixedly connected to the bottom of the lifting plate, a shunt tube is fixedly connected inside the extrusion column, one end of the connecting tube is fixedly connected to one end of the shunt tube, at least four annular tubes are evenly and slidably connected to the circumferential side of the extrusion column, and no two adjacent annular tubes are in contact with each other, a liquid outlet tube is fixedly connected between the inner wall and the outer wall of the circumferential side of the annular tube located above, and the circumferential side of the annular tube located above is fixedly connected to the bottom of the lifting plate.

[0014] Preferably, one end of the diversion tube is fixedly connected to the inner wall of the circumferential side of the annular tube located below, and a staggered and aligned movable tube 2 is fixedly connected between the inner wall and outer wall of the circumferential side of at least three annular tubes located below, and a movable tube 1 aligned with the movable tube 2 is fixedly connected between the inner wall and outer wall of the circumferential side of at least three annular tubes located above.

[0015] Preferably, the top of the movable tube 2 is fixedly connected with a telescopic tube, the circumferential side of the telescopic tube is slidably connected to the inner wall of the circumferential side of the movable tube 1, and a spring 3 is fixedly connected between the top of the telescopic tube and the bottom of the movable tube 1.

[0016] The beneficial effects of the present invention are:

[0017] The liquid storage tank filled with cooling oil is fixed on the machine platform through the set fixed column, and the cooling oil enters the slot through the fixed pipe, and the motor is started, and the motor drives the second rotating shaft to rotate, and the second rotating shaft drives the second sprocket to rotate, and the second sprocket drives the first sprocket through the chain to rotate, and the first sprocket drives the first rotating shaft to rotate, and the first rotating shaft drives the rotating block to rotate, and the rotating block drives the connecting frame to rotate, and the connecting frame drives the lifting column to move up and down, and the lifting column drives the lifting plate to move, and the lifting plate drives the extrusion block to move, and the extrusion block squeezes the lifting cylinder one and the lifting cylinder two, so that the opening one is aligned with the nozzle, and the opening two is staggered from the nozzle, and the lifting cylinder two drives the baffle to move, and the baffle drives the air slot into the slot, and the pump body is started, and the pump body drives the airflow into the slot through the air pipe, and the airflow drives the moving frame to move, and the moving frame blocks the fixed pipe and squeezes the cooling oil in the slot, and makes the cooling oil sprayed to the raw material through the nozzle and the opening one, so as to reduce the heat generated by the contact friction between the mold and the raw material, which is conducive to preventing the mold and the raw material temperature is high, resulting in softening and deformation of the raw material or overheating and damage of the mold, affecting the quality of the stamping production of the device, and the openings at different heights on the lifting cylinder one spray the cooling oil to the top and bottom of the raw material respectively, which is beneficial for the device to fully spray the cooling oil on the front and back sides of the raw material to prevent the device from not being able to always receive cooling and lubrication during the stamping process, resulting in wear of the device and the product, affecting the service life and production quality of the device, and improving the stability of the device production. When the lifting plate rises, it drives the extrusion block to reset, so that the lifting cylinder two drives the baffle and the movable frame to reset. At this time, the airflow is sprayed along the opening three, the fixed column, the nozzle and the opening two, so that the opening two with different heights drives the airflow to spray to the surface of the remaining raw material that has been stamped, which is beneficial for the device to remove the cooling oil attached to the surface of the remaining raw material, and prevent the remaining raw material from being attached to a large amount of impurities and dust due to the residual cooling oil, which is not conducive to the subsequent recycling of the remaining raw materials.

[0018] The mold is fixed on the fixed block through the set spiral tube, and the coolant is sent into the spiral tube. The coolant flows along the spiral tube and enters the shunt pipe through the connecting pipe, which is beneficial for the device to fully contact with the coolant, so that the auxiliary device can further take away the heat generated during the stamping process of the device, thereby improving the heat dissipation and cooling effect of the device.

[0019] Through the telescopic tube, when the extrusion column moves, the diverter tube is driven to move, the diverter tube drives the annular tube to move, and the spring drives the annular tube to swing up and down, so that the annular tube moves back and forth on the circumferential surface of the extrusion column, which is conducive to the annular tube fully contacting various positions of the circumferential surface of the extrusion column, further enhancing the heat exchange capacity of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a stamping die for steel structure production proposed by the present invention;

[0021] Figure 2 A schematic diagram of the internal structure of a stamping die for steel structure production proposed by the present invention;

[0022] Figure 3 A schematic diagram of the partial structure of a stamping die for steel structure production proposed by the present invention;

[0023] Figure 4 A schematic diagram of a slotting structure of a stamping die for steel structure production proposed by the present invention;

[0024] Figure 5 This is a schematic diagram of the fixed column structure of a stamping die for steel structure production proposed by the present invention;

[0025] Figure 6 for Figure 5 A schematic diagram of the structure enlargement in the middle;

[0026] Figure 7 This is a schematic diagram of the connecting shaft structure of a stamping die for steel structure production proposed by the present invention;

[0027] Figure 8 This is a schematic diagram of the annular tube structure of a stamping die for steel structure production proposed by the present invention;

[0028] Fig. 9 This is a schematic diagram of the shunt pipe structure of a stamping die for steel structure production proposed by the present invention;

[0029] Fig.10 for Figure 8 Enlarged schematic diagram of the structure at point B in the middle.

[0030] In the figure: 1-machine, 2-liquid storage tank, 3-fixed column, 4-spring 1, 5-lifting cylinder 1, 6-connecting pipe, 7-support column, 8-top box, 9-rotating block, 10-connecting shaft, 11-connecting frame, 12-lifting column, 13-fixed shaft, 14-lifting plate, 15-liquid outlet pipe, 16-extrusion column, 17-fixed block, 18-fixed pipe, 19-groove, 20-annular groove, 21-spiral pipe, 22-lifting cylinder 2, 23-opening 1 , 24-opening two, 25-baffle, 26-spring two, 27-fixed plate, 28-movable frame, 29-nozzle, 30-opening three, 31-pump body, 32-motor, 33-rotating shaft one, 34-sprocket one, 35-chain, 36-sprocket two, 37-rotating shaft two, 38-movable pipe one, 39-annular pipe, 40-movable pipe two, 41-diverter pipe, 42-spring three, 43-telescopic pipe, 44-extrusion block, 45-air pipe. DETAILED DESCRIPTION

[0031] Example 1, reference Figure 1-6 and Fig.10A stamping die for steel structure production includes a machine table 1. A cooling mechanism is arranged on the top of the machine table 1. The cooling mechanism includes a slot 19 opened on the top of the machine table 1. At least four openings 30 are evenly opened between the inner wall and the outer wall of the top of the slot 19. At least four fixing columns 3 aligned with the openings 30 are evenly fixedly connected to the top of the machine table 1. A cavity is opened inside the fixing columns 3. The outer walls of the circumferential sides of at least two of the fixing columns 3 are slidably connected to a lifting cylinder 5. The outer walls of the circumferential sides of at least two other fixing columns 3 are slidably connected to a lifting cylinder 22. A nozzle 29 is evenly fixedly connected between the inner wall and the outer wall of the circumferential side of the fixing column 3.

[0032] In the present invention, an opening 23 located above the fixed column 3 is evenly provided between the inner wall and the outer wall of the circumferential side of the lifting cylinder 1 5, and the openings 23 on the two lifting cylinders 5 are at different heights. An opening 24 aligned with the nozzle 29 is evenly provided between the inner wall and the outer wall of the circumferential side of the lifting cylinder 22, and the openings 24 on the two lifting cylinders 22 are at different heights. A spring 4 surrounding the fixed column 3 is fixedly connected between the bottom of the lifting cylinder 1 5 and the top of the machine platform 1, and between the bottom of the lifting cylinder 22 and the top of the machine platform 1.

[0033] At least four support columns 7 are evenly and fixedly connected to the top of the machine 1, a top box 8 is fixedly connected to the top of the support columns 7, and at least four extrusion blocks 44 aligned with the fixed columns 3 are evenly arranged on the bottom outer wall of the top box 8. At least two liquid storage tanks 2 are detachably connected to the top of the machine 1, and a top cover is detachably connected to the top of the liquid storage tank 2. A fixed pipe 18 is fixedly connected between the side inner wall of the liquid storage tank 2 and the top inner wall of the slot 19. The top inner wall of the machine 1 is fixedly connected to a pump body 31, one end of the pump body 31 is fixedly connected to an air pipe 45, and the other end of the air pipe 45 extends to the inside of the slot 19.

[0034] A movable frame 28 is slidably connected between the top inner wall and the bottom inner wall of the slot 19, a fixed plate 27 is fixedly connected to the bottom inner wall of the slot 19, a spring 26 is fixedly connected between one side of the fixed plate 27 and one side of the movable frame 28, a baffle 25 is fixedly connected to the outer wall of the circumferential side of the lifting cylinder 22, the other end of the baffle 25 passes through the slot 19 and extends to the top inner wall of the machine 1, and air grooves are evenly arranged between the two sides of the baffle 25.

[0035] A motor 32 is fixedly connected to the inner wall of one side of the top box 8, and a rotating shaft 2 37 is fixedly connected to the output shaft of the motor 32. The circumferential side surface of the rotating shaft 2 37 is rotatably connected to the inside of one side of the top box 8, and one end of the circumferential side surface of the rotating shaft 2 37 is fixedly connected to a sprocket 2 36 located outside the top box 8. A rotating shaft 1 33 is rotatably connected between the inner and outer walls of both sides of the top box 8, and a sprocket 1 34 aligned with the sprocket 2 36 is fixedly connected to the circumferential side surface of the rotating shaft 1 33, and a chain 35 is meshedly connected between the circumferential side surface of the sprocket 1 34 and the circumferential side surface of the sprocket 2 36.

[0036] One end of the rotating shaft 33 is fixedly connected to a rotating block 9 located inside the top box 8, one side of the rotating block 9 is fixedly connected to a connecting shaft 10, the circumferential side surface of the connecting shaft 10 is fixedly connected to a connecting frame 11, a lifting column 12 is slidably connected between the bottom inner wall and the outer wall of the top box 8, the top of the lifting column 12 is rotatably connected to a fixed shaft 13, the circumferential side surface of the fixed shaft 13 is rotatably connected to the inside of the connecting frame 11, the bottom of the lifting column 12 is fixedly connected to a lifting plate 14, and the top of the extrusion block 44 is fixedly connected to the bottom of the lifting plate 14.

[0037] When the present invention is used, the liquid storage tank 2 filled with cooling oil is fixed on the machine platform 1, the cooling oil enters the slot 19 through the fixed pipe 18, the motor 32 is started, the motor 32 drives the second shaft 37 to rotate, the second shaft 37 drives the second sprocket 36 to rotate, the second sprocket 36 drives the first sprocket 34 to rotate through the chain 35, the first sprocket 34 drives the first shaft 33 to rotate, the first shaft 33 drives the rotating block 9 to rotate, the rotating block 9 drives the connecting frame 11 to rotate, the connecting frame 11 drives the lifting column 12 to move up and down, the lifting column 12 drives the lifting plate 14 to move, and the lifting plate 14 drives the extrusion block 44 to move, the extrusion block 44 squeezes the lifting cylinder 15 and the lifting cylinder 22, so that the opening 1 23 is aligned with the nozzle 29, and the opening 24 is staggered from the nozzle 29, the lifting cylinder 22 drives the baffle 25 to move, the baffle 25 drives the air groove to enter the slot 19, the pump body 31 is started, the pump body 31 drives the air flow to enter the slot 19 through the air pipe 45, the air flow pushes the moving frame 28 to move, the moving frame 28 blocks the fixed pipe 18 and squeezes the cooling oil in the slot 19, and the cooling oil is sprayed through the nozzle 29 and the opening 1 23 Towards the raw material, reducing the heat generated by the contact friction between the mold and the raw material, which is beneficial to prevent the mold and the raw material from being too high in temperature, causing the raw material to soften and deform or the mold to be overheated and damaged, affecting the quality of the stamping production of the device, and the openings 23 at different heights on the lifting cylinder 5 spray the cooling oil to the top and bottom of the raw material respectively, which is beneficial to the device to fully spray the cooling oil on the front and back sides of the raw material, preventing the device from being unable to always receive cooling and lubrication during the stamping process, causing the device and the product to wear and other situations, affecting the service life and production quality of the device, and improving the stability of the device production. When the lifting plate 14 rises, it drives the extrusion block 44 to reset, so that the lifting cylinder 22 drives the baffle 25 and the moving frame 28 to reset. At this time, the airflow is ejected along the opening 30, the fixed column 3, the nozzle 29 and the opening 24, so that the openings 24 with different heights drive the airflow to spray to the surface of the remaining raw material that has been stamped, which is beneficial to the device to remove the cooling oil attached to the surface of the remaining raw material, and prevent the remaining raw material from being attached to a large amount of impurities and dust due to the residual cooling oil, which is not conducive to the subsequent recycling of the remaining raw materials.

[0038] Example 2, reference Figure 2 and Figure 8-9 A stamping die for steel structure production includes a fixing block 17 detachably connected between the top inner wall and the outer wall of a machine table 1, an annular groove 20 is opened inside the fixing block 17, a spiral tube 21 is evenly fixedly connected to the inner wall of the circumferential side of the annular groove 20, one end of the spiral tube 21 extends to the outside of the machine table 1, and the other end of the spiral tube 21 is fixedly connected to a connecting tube 6.

[0039] In the present invention, an extrusion column 16 is fixedly connected to the bottom of the lifting plate 14, a shunt tube 41 is fixedly connected inside the extrusion column 16, one end of the connecting tube 6 is fixedly connected to one end of the shunt tube 41, at least four annular tubes 39 are evenly and slidably connected to the circumferential side of the extrusion column 16, and there is no contact between two adjacent annular tubes 39, a liquid outlet pipe 15 is fixedly connected between the inner wall and the outer wall of the circumferential side of the annular tube 39 located above, and the circumferential side of the annular tube 39 located above is fixedly connected to the bottom of the lifting plate 14.

[0040] When the present invention is used: the mold is fixed on the fixed block 17, and the coolant is sent into the spiral tube 21. The coolant flows along the spiral tube 21 and enters the shunt tube 41 through the connecting tube 6, which is beneficial for the device to fully contact with the coolant, so that the auxiliary device can further take away the heat generated during the stamping process of the device, thereby improving the heat dissipation and cooling effect of the device.

[0041] Example 3, reference Figure 2 and Figure 8-9 A stamping die for steel structure production, including one end of a shunt pipe 41 fixedly connected to the inner wall of the circumferential side of an annular pipe 39 located below, movable pipes 2 40 aligned in a staggered manner are fixedly connected between the inner walls and outer walls of the circumferential sides of at least three annular pipes 39 located below, and movable pipes 1 38 aligned with movable pipes 2 40 are fixedly connected between the inner walls and outer walls of the circumferential sides of at least three annular pipes 39 located above.

[0042] In the present invention, the top of the movable tube 2 40 is fixedly connected with a telescopic tube 43, the circumferential side of the telescopic tube 43 is slidably connected to the inner wall of the circumferential side of the movable tube 1 38, and a spring 3 42 is fixedly connected between the top of the telescopic tube 43 and the bottom of the movable tube 1 38.

[0043] When the present invention is used: when the extrusion column 16 moves, it drives the shunt tube 41 to move, the shunt tube 41 drives the annular tube 39 to move, and the spring 42 drives the annular tube 39 to swing up and down, so that the annular tube 39 moves back and forth on the circumferential surface of the extrusion column 16, which is beneficial for the annular tube 39 to fully contact various positions of the circumferential surface of the extrusion column 16, further enhancing the heat exchange capacity of the device.

[0044] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A stamping die for steel structure production, comprising a machine (1), characterized in that: The top of the machine (1) is provided with a cooling mechanism, which comprises a slot (19) provided on the top of the machine (1), at least four openings (30) being evenly provided between the inner wall and the outer wall of the top of the slot (19), at least four fixed columns (3) being evenly fixedly connected to the top of the machine (1) and aligned with the openings (30), a cavity being provided inside the fixed columns (3), at least two of which are slidably connected to a lifting cylinder (5) on the outer wall of the circumferential side surface of at least two of which are slidably connected to a lifting cylinder (22), and at least two of which are slidably connected to a lifting cylinder (22) on the outer wall of the circumferential side surface of the fixed columns (3). A nozzle (29) is evenly and fixedly connected between the walls; an opening (23) located above the fixing column (3) is evenly opened between the inner wall and the outer wall of the circumferential side of the lifting cylinder (5); and the openings (23) on the two lifting cylinders (5) are at different heights; an opening (24) aligned with the nozzle (29) is evenly opened between the inner wall and the outer wall of the circumferential side of the lifting cylinder (22); and the openings (24) on the two lifting cylinders (22) are at different heights; and a ring is fixedly connected between the bottom of the lifting cylinder (5) and the top of the machine platform (1), and between the bottom of the lifting cylinder (22) and the top of the machine platform (1). A spring (4) is wound around the fixed column (3); at least four support columns (7) are evenly and fixedly connected to the top of the machine (1); a top box (8) is fixedly connected to the top of the support column (7); at least four extrusion blocks (44) aligned with the fixed column (3) are evenly arranged on the bottom outer wall of the top box (8); at least two liquid storage tanks (2) are detachably connected to the top of the machine (1); a top cover is detachably connected to the top of the liquid storage tank (2); a fixed pipe (18) is fixedly connected between the side inner wall of the liquid storage tank (2) and the top inner wall of the slot (19); a pump body (31) is fixedly connected to the top inner wall of the machine (1); and the pump body ( One end of the lifting cylinder (31) is fixedly connected to an air pipe (45), the other end of the air pipe (45) extends to the inside of the slot (19), a moving frame (28) is slidably connected between the top inner wall and the bottom inner wall of the slot (19), a fixing plate (27) is fixedly connected to the bottom inner wall of the slot (19), a spring (26) is fixedly connected between one side of the fixing plate (27) and one side of the moving frame (28), a baffle (25) is fixedly connected to the outer wall of the circumferential side of the lifting cylinder (22), the other end of the baffle (25) passes through the slot (19) and extends to the top inner wall of the machine table (1), and air grooves are evenly opened between the two sides of the baffle (25).

2. A stamping die for steel structure production according to claim 1, characterized in that: A motor (32) is fixedly connected to an inner wall of one side of the top box (8); an output shaft of the motor (32) is fixedly connected to a second rotating shaft (37); a circumferential side surface of the second rotating shaft (37) is rotatably connected to an inner side surface of the top box (8); one end of the circumferential side surface of the second rotating shaft (37) is fixedly connected to a second sprocket (36) located outside the top box (8); a first rotating shaft (33) is rotatably connected between the inner walls and the outer walls of both sides of the top box (8); a circumferential side surface of the first rotating shaft (33) is fixedly connected to a first sprocket (34) aligned with the second sprocket (36); and a chain (35) is meshedly connected between the circumferential side surface of the first sprocket (34) and the circumferential side surface of the second sprocket (36).

3. A stamping die for steel structure production according to claim 2, characterized in that: One end of the rotating shaft (33) is fixedly connected to a rotating block (9) located inside the top box (8); one side of the rotating block (9) is fixedly connected to a connecting shaft (10); the circumferential side surface of the connecting shaft (10) is fixedly connected to a connecting frame (11); a lifting column (12) is slidably connected between the inner wall and the outer wall of the bottom of the top box (8); the top of the lifting column (12) is rotatably connected to a fixed shaft (13); the circumferential side surface of the fixed shaft (13) is rotatably connected to the inside of the connecting frame (11); the bottom of the lifting column (12) is rotatably connected to the fixed shaft (13); A lifting plate (14) is fixedly connected, the top of the extrusion block (44) is fixedly connected to the bottom of the lifting plate (14), the motor 32 is started, the motor 32 drives the second rotating shaft 37 to rotate, the second rotating shaft 37 drives the second sprocket 36 to rotate, the second sprocket 36 drives the first sprocket 34 to rotate through the chain 35, the first sprocket 34 drives the first rotating shaft 33 to rotate, the first rotating shaft 33 drives the rotating block 9 to rotate, the rotating block 9 drives the connecting frame 11 to rotate, the connecting frame 11 drives the lifting column 12 to move up and down, and the lifting column 12 drives the lifting plate 14 to move.

4. A stamping die for steel structure production according to claim 3, characterized in that: A fixing block (17) is detachably connected between the inner wall and the outer wall of the top of the machine (1), an annular groove (20) is provided inside the fixing block (17), a spiral tube (21) is evenly fixedly connected to the inner wall of the circumferential side of the annular groove (20), one end of the spiral tube (21) extends to the outside of the machine (1), and the other end of the spiral tube (21) is fixedly connected to a connecting tube (6).

5. A stamping die for steel structure production according to claim 4, characterized in that: The bottom of the lifting plate (14) is fixedly connected to an extrusion column (16), the interior of the extrusion column (16) is fixedly connected to a shunt pipe (41), one end of the connecting pipe (6) is fixedly connected to one end of the shunt pipe (41), at least four annular pipes (39) are evenly slidably connected to the circumferential side surface of the extrusion column (16), and no two adjacent annular pipes (39) are in contact with each other, a liquid outlet pipe (15) is fixedly connected between the inner wall and the outer wall of the circumferential side surface of the annular pipe (39) located at the top, and the circumferential side surface of the annular pipe (39) located at the top is fixedly connected to the bottom of the lifting plate (14).

6. A stamping die for steel structure production according to claim 5, characterized in that: One end of the flow dividing tube (41) is fixedly connected to the inner wall of the circumferential side of the annular tube (39) located below, and the inner wall and outer wall of the circumferential side of at least three annular tubes (39) located below are fixedly connected with staggered and aligned movable tubes 2 (40), and the inner wall and outer wall of the circumferential side of at least three annular tubes (39) located above are fixedly connected with movable tubes 1 (38) aligned with movable tubes 2 (40).

7. A stamping die for steel structure production according to claim 6, characterized in that: The top of the movable tube 2 (40) is fixedly connected to a telescopic tube (43), the circumferential side surface of the telescopic tube (43) is slidably connected to the inner wall of the circumferential side surface of the movable tube 1 (38), and a spring 3 (42) is fixedly connected between the top of the telescopic tube (43) and the bottom of the movable tube 1 (38).

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