Stamping equipment with knife edge abrasion prevention function

Abstract

The invention discloses punching equipment with a knife edge abrasion prevention function, and relates to the technical field of punching machine tools, the punching equipment comprises a feeding machine, an electric control cabinet, a punching machine mechanism and a bottom die mechanism, the feeding machine, the electric control cabinet and the punching machine mechanism are all fixedly connected with the bottom die mechanism, and the electric control cabinet is connected with the punching machine mechanism through electric signals; the punching machine mechanism comprises a driving mechanism, an assembling frame and a cutter mechanism, the driving mechanism comprises a sliding block, the cutter mechanism comprises a base plate, and the assembling frame is fixedly connected with the sliding block and the base plate; the stamping tool can rapidly approach materials to improve the stamping efficiency, the materials are stamped at a low speed, the instantaneous impact force on a tool edge is reduced, micro-tipping is reduced, circulating liquid cooling is conducted on the tool, the working temperature of the tool edge is effectively controlled, hardness reduction and thermal fatigue abrasion caused by too high temperature rise are prevented, and the service life of the tool is prolonged. A lubricating oil film is formed between the knife edge and a metal sheet raw material, rigid collision between the knife edge and the metal sheet is relieved, and knife edge abrasion is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of punch press, in particular to a punch press with a knife edge wear prevention function. BACKGROUND

[0002] Punching is a vital metal plastic forming method in modern manufacturing industry, and is widely used in the production of metal structural parts in the fields of automobiles, aerospace, electronics and electrical appliances. In the punching process, especially in the blanking and die cutting process, the knife edge directly shears the plate, and bears a great impact force, friction and instantaneous high temperature.

[0003] The wear of the knife edge is regarded as a necessary consumption process. When the wear accumulates to a certain extent, resulting in product burr exceeding the standard and size unqualified, the passive maintenance method of stopping, disassembling and replacing the whole or part of the die must be taken. This not only reduces the production efficiency, but also increases the cost of die maintenance and raw material loss. In the existing punch press, the influence of instantaneous force on the knife edge during punching operation is ignored for different metal parts. SUMMARY

[0004] The purpose of the present application is to provide a punch press with a knife edge wear prevention function to solve the problems in the prior art.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a punch press with a knife edge wear prevention function includes a feeding machine, an electric control cabinet, a punch press mechanism and a bottom die mechanism, the feeding machine, the electric control cabinet and the punch press mechanism are fixedly connected with the bottom die mechanism, and the electric control cabinet is connected with the punch press mechanism through electric signals; The punch press mechanism includes a driving mechanism, an assembly frame and a tool mechanism, the driving mechanism includes a sliding block, and the tool mechanism includes a base plate, and the assembly frame is fixedly connected with the sliding block and the base plate.

[0006] The present application is a machine tool device for continuous punching of metal sheets. The feeding machine transports the metal sheet raw material to the bottom die mechanism. The electric control cabinet sends electric signals to the punch press mechanism. The sliding block is fixedly assembled with the base plate through the assembly frame. The driving mechanism drives the tool mechanism to move downward reciprocally through the sliding block. The tool mechanism performs continuous die punching operation on the transported metal sheet raw material. During punching, the speed of the tool mechanism is controlled by the servo to make the tool mechanism descend quickly and punch slowly. Low-speed punching significantly reduces the instantaneous impact force on the knife edge, reduces micro-chipping, improves the quality of the cross section, and effectively controls the working temperature of the knife edge. The tool mechanism is internally provided with a channel for circulating liquid cooling of the tool to effectively control the hardness and thermal fatigue wear caused by excessive temperature rise. At the same time, a lubricating oil film is formed between the knife edge and the metal sheet raw material to reduce the rigid collision between the knife edge and the metal sheet, and effectively reduce the wear of the knife edge.

[0007] Further, the punch mechanism further comprises a base and a feedback mechanism, the driving mechanism further comprises a servo motor, the feedback mechanism comprises a side frame and an adjustable damping rod, and the slide is provided with a pressing plate, the feedback mechanism and the pressing plate are both provided with two groups, the two groups of feedback mechanisms and pressing plates are arranged on both sides of the slide, and the bottom die mechanism comprises a machine tool base.

[0008] The servo motor outputs a fixed shaft torque to the slide, so that the slide drives the tool mechanism to reciprocate downward, the tool mechanism descends to the end away from the servo motor, the pressing plate contacts the adjustable damping rod, different steel types are selected, an operator operates the electric control cabinet to send a specified electric signal to the feedback mechanism, the adjustable damping rod is adjusted according to the rigidity of different metal sheet types, when high-rigidity metal sheets are punched, the damping of the adjustable damping rod needs to be increased, the rigid collision between the tool edge and the high-rigidity metal sheets is reduced, the instantaneous impact force on the tool edge is reduced, and micro-chipping is reduced, when low-rigidity metal sheets are punched, the damping of the adjustable damping rod is reduced, the instantaneous collision force between the tool edge and the low-rigidity metal sheets is increased, the tool edge is prevented from slowly punching the low-rigidity metal sheets, and the situation that the metal sheets are excessively deformed due to extrusion is avoided.

[0009] Further, the driving mechanism further comprises a slide rail and a segmented screw, the slide rail is fixedly connected with the servo motor, the segmented screw is fixedly connected with the output end of the servo motor, the slide is further provided with an internal thread hole, the segmented screw is connected with the internal thread hole in a threaded manner, and the slide is slidably connected with the slide rail.

[0010] The servo motor outputs a fixed shaft torque to the segmented screw, the segmented screw rotates around its axis, the fixed shaft torque of the segmented screw is transmitted to the slide through the threaded connection between the segmented screw and the internal thread hole, so that the slide reciprocates up and down along the slide rail, and drives the tool mechanism to continuously die punch the transported metal sheet raw material.

[0011] Further, the segmented screw is provided with an upper thread segment and a lower thread segment, the upper thread segment and the lower thread segment are connected with the internal thread hole in a threaded manner, the upper thread segment is arranged above the lower thread segment, and the pitch of the upper thread segment is three times that of the lower thread segment.

[0012] The segmented screw is provided with an upper thread segment and a lower thread segment, the upper thread segment and the lower thread segment are connected with the internal thread hole in a threaded manner, when the segmented screw rotates around its axis at a constant speed, the pitch of the upper thread segment and the lower thread segment determines the displacement speed of the slide along the slide rail, the pitch of the upper thread segment is three times that of the lower thread segment, that is, the displacement speed of the slide along the upper thread segment is three times that of the slide along the lower thread segment, the segmented screw realizes rapid approach to the material, improves the punching efficiency, punches the material at a low speed, reduces the instantaneous impact force on the tool edge, and reduces micro-chipping.

[0013] Further, the feedback mechanism further comprises a torque motor, a gear rod and a gear ring, the torque motor and the adjustable damping rod are fixedly connected with the side frame, the torque motor is connected with the electric control cabinet through an electrical signal, the output end of the torque motor is fixedly connected with the gear rod, the gear rod is in mesh with the gear ring, and the gear ring is rotationally connected with the adjustable damping rod.

[0014] According to different steel types, the staff operates the electric control cabinet to send a specified electrical signal to the torque motor, the torque motor outputs a fixed shaft torque to the gear rod, the gear rod rotates around its axis, and through the meshing of the gear rod and the gear ring, the gear ring rotates to adjust the damping size of the adjustable damping rod.

[0015] Further, the tool mechanism further comprises an inner cooling tool, a liquid pump and a cooling liquid cylinder, the inner cooling tool is provided in a plurality of groups, the plurality of groups of inner cooling tools are linearly and uniformly distributed along the base plate, the inner cooling tool, the liquid pump and the cooling liquid cylinder are fixedly connected with the base plate, the inner cooling tool is provided with a meandering flow channel, the meandering flow channel is arranged in the inner cooling tool, the liquid pump, the meandering flow channel and the cooling liquid cylinder are communicated through pipelines, and the liquid pump and the electric control cabinet are connected through an electrical signal.

[0016] The slider reciprocates up and down along the slide rail to drive the tool mechanism to continuously die stamp the transported metal sheet raw material, the electric control cabinet sends an electrical signal to the liquid pump, the liquid pump drives the medium to circulate in the meandering flow channel and the cooling liquid cylinder through the pipeline, and the tool is subjected to circulating liquid cooling to effectively control the tool edge working temperature and prevent hardness drop and thermal fatigue wear caused by excessive temperature rise.

[0017] Further, the tool mechanism further comprises an oil nozzle, an oil pump, an oil storage tank, an air jet nozzle and a high-pressure air pump, the air jet nozzle is provided in two groups, the two groups of air jet nozzles are arranged on both sides of the oil nozzle, the oil nozzle, the oil pump, the oil storage tank, the air jet nozzle and the high-pressure air pump are fixedly connected with the base plate, the oil pump and the oil storage tank are communicated through pipelines, the air jet nozzle and the high-pressure air pump are communicated through pipelines, and the oil pump and the high-pressure air pump are connected with the electric control cabinet through an electrical signal.

[0018] When the tool mechanism continuously stamps the transported metal sheet raw material, the electric control cabinet sends an electrical signal to the oil pump and the high-pressure air pump, the oil pump sprays lubricating oil in the oil storage tank from the oil nozzle, the high-pressure air pump sprays high-pressure gas through the air jet nozzles located on both sides of the oil nozzle, the high-pressure gas impacts the lubricating oil to form a lubricating oil film between the tool edge and the metal sheet raw material, thereby slowing down the rigid collision between the tool edge and the metal sheet and effectively reducing the tool edge wear.

[0019] Further, the bottom die mechanism further comprises a guide rail sliding table and a blanking cylinder, the guide rail sliding table and the blanking cylinder are fixedly connected with the machine tool base, and the blanking cylinder is arranged on the machine tool base away from the feeding machine.

[0020] The feeding machine transports the metal sheet raw material to the guide rail sliding table, and the metal sheet raw material slides to the blanking cylinder on the guide rail sliding table, and the cutter mechanism reciprocates upward and downward to continuously die stamping the transported metal sheet raw material.

[0021] Compared with the prior art, the beneficial effects of the present application are: the present application designs a driving mechanism, the servo motor outputs a constant torque to the segmented screw, when the segmented screw rotates around its axis at a constant speed, the pitch of the upper thread segment is three times that of the lower thread segment, and the displacement speed of the slider in the upper thread segment is three times that of the slider in the lower thread segment, realizing rapid approach to material lifting stamping efficiency, low-speed stamping material, reducing the instantaneous impact force on the cutting edge, reducing micro-chipping, and improving the cross-section quality; the present application designs a feedback mechanism, the cutter mechanism descends to the end away from the servo motor, the pressure plate contacts the adjustable damping rod, the electric control cabinet sends a specified electrical signal to the feedback mechanism, and the adjustable damping rod damping is adjusted according to the rigidity of different metal sheet types; when stamping high-rigidity metal sheets, the damping of the adjustable damping rod needs to be increased to reduce the rigid collision between the cutting edge and the high-rigidity metal sheet, reduce the instantaneous impact force on the cutting edge, and reduce micro-chipping; when stamping low-rigidity metal sheets, the damping of the adjustable damping rod is reduced to increase the instantaneous collision force between the cutting edge and the low-rigidity metal sheet, avoid slow stamping of the cutting edge on the low-rigidity metal sheet, and cause excessive collapse deformation of the metal sheet due to extrusion; the present application designs a cutter mechanism, a channel is arranged in the cutter mechanism for circulating liquid cooling of the cutter, effectively controls the working temperature of the cutting edge, prevents hardness reduction and thermal fatigue wear caused by excessive temperature rise, forms a lubricating oil film between the cutting edge and the metal sheet raw material, slows down the rigid collision between the cutting edge and the metal sheet, and effectively reduces the wear of the cutting edge; the present application realizes rapid approach of the stamping cutter to the material, improves the stamping efficiency, reduces the instantaneous impact force on the cutting edge, reduces micro-chipping, performs circulating liquid cooling of the cutter, effectively controls the working temperature of the cutting edge, prevents hardness reduction and thermal fatigue wear caused by excessive temperature rise, forms a lubricating oil film between the cutting edge and the metal sheet raw material, slows down the rigid collision between the cutting edge and the metal sheet, and reduces the wear of the cutting edge. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present application; Figure 2 It is a schematic diagram of the punch mechanism structure of the present application; Figure 3 It is a schematic diagram of the driving mechanism structure of the present application; Figure 4 It is a schematic diagram of the driving mechanism structure of the present application; Figure 3 It is a schematic diagram of the driving mechanism structure of the present application; Figure 5 It is a schematic diagram of the driving mechanism structure of the present application; Figure 4 It is a schematic diagram of the driving mechanism structure of the present application; Figure 6 It is a schematic diagram of the cutter mechanism structure of the present application; Figure 7 The schematic diagram of the inner cooling tool structure of the present application; Figure 8 The schematic diagram of the bottom die mechanism structure of the present application.

[0023] In the figure: 1, feeding machine; 2, electric control cabinet; 3, punch mechanism; 31, base; 32, driving mechanism; 321, servo motor; 322, slide rail; 323, segmented screw; 3231, upper threaded section; 3232, lower threaded section; 324, sliding block; 3241, internal threaded hole; 3242, pressing plate; 33, feedback mechanism; 331, side frame; 332, torque motor; 333, gear rod; 334, adjustable damping rod; 335, gear ring; 34, assembly frame; 35, tool mechanism; 351, base plate; 352, inner cooling tool; 3521, back-shaped flow channel; 353, liquid pump; 354, cooling liquid cylinder; 355, oil nozzle; 356, oil pump; 357, oil storage tank; 358, air jet nozzle; 359, high-pressure air pump; 4, bottom die mechanism; 41, machine tool base; 42, guide rail sliding table; 43, blanking cylinder. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0025] As shown in Figure 1 , Figure 2 , Figure 3 The present application provides a technical solution of a stamping equipment with a knife edge wear prevention function, which includes a feeding machine 1, an electric control cabinet 2, a punch mechanism 3, and a bottom die mechanism 4. The feeding machine 1, the electric control cabinet 2, and the punch mechanism 3 are all fixedly connected with the bottom die mechanism 4. The electric control cabinet 2 is connected with the punch mechanism 3 through electric signals. The punch mechanism 3 includes a driving mechanism 32, an assembly frame 34, and a tool mechanism 35. The driving mechanism 32 includes a sliding block 324. The tool mechanism 35 includes a base plate 351. The assembly frame 34 is fixedly connected with the sliding block 324 and the base plate 351.

[0026] The application discloses a machine tool device for continuous punching of metal sheets, a feeding machine 1 transports metal sheet raw materials to a bottom die mechanism 4, an operation electric control cabinet 2 sends electric signals to a punch mechanism 3, a sliding block 324 is fixedly connected with a base plate 351 through an assembling frame 34, a driving mechanism 32 drives a cutter mechanism 35 to reciprocate downward through the sliding block 324, the cutter mechanism 35 is used for continuously die punching the transported metal sheet raw materials, when the metal sheet raw materials are punched, the speed of the downward punching of the cutter mechanism 35 is controlled through servo control, so that the cutter mechanism 35 rapidly descends and slowly punches, the instantaneous impact force on the cutter edge is obviously reduced, micro edge collapse is reduced, the section quality is improved, a channel is arranged in the cutter mechanism 35, the cutter is subjected to circulating liquid cooling, the working temperature of the cutter edge is effectively controlled, the hardness reduction and thermal fatigue wear caused by excessive temperature rise are prevented, meanwhile, a lubricating oil film is formed between the cutter edge and the metal sheet raw materials, the rigid collision between the cutter edge and the metal sheet raw materials is reduced, and the cutter edge wear is effectively reduced.

[0027] As shown in Figure 2 , Figure 3 , the punch mechanism 3 further comprises a base 31 and a feedback mechanism 33, the driving mechanism 32 further comprises a servo motor 321, the feedback mechanism 33 comprises a side frame 331 and an adjustable damping rod 334, the sliding block 324 is provided with a pressing plate 3242, the feedback mechanism 33 and the pressing plate 3242 are both provided with two groups, the two groups of the feedback mechanism 33 and the pressing plate 3242 are arranged on the two sides of the sliding block 324, the bottom die mechanism 4 comprises a machine tool base 41, the base 31 is fixedly connected with the servo motor 321, the side frame 331 and the machine tool base 41, the pressing plate 3242 is in contact with the adjustable damping rod 334, and the servo motor 321, the feedback mechanism 33 and the cutter mechanism 35 are all connected with the electric control cabinet 2 through electric signals.

[0028] The servo motor 321 outputs a fixed shaft torque to the sliding block 324, so that the sliding block 324 drives the cutter mechanism 35 to reciprocate downward, the cutter mechanism 35 descends to the end far away from the servo motor 321, the pressing plate 3242 is in contact with the adjustable damping rod 334, according to different steel types, an operator sends specified electric signals to the feedback mechanism 33 through the electric control cabinet 2, the damping of the adjustable damping rod 334 is adjusted according to the rigidity of different metal sheet types, when high-rigidity metal sheets are punched, the damping of the adjustable damping rod 334 needs to be increased, so as to reduce the rigid collision between the cutter edge and the high-rigidity metal sheets, reduce the instantaneous impact force on the cutter edge, and reduce micro edge collapse, when low-rigidity metal sheets are punched, the damping of the adjustable damping rod 334 is reduced, the instantaneous collision force between the cutter edge and the low-rigidity metal sheets is increased, the cutter edge is prevented from slowly punching the low-rigidity metal sheets, and the excessive collapse deformation of the metal sheets caused by extrusion is avoided.

[0029] As shown in Figure 3 , Figure 4As shown, the driving mechanism 32 further comprises a sliding rail 322 and a segmented screw 323, the sliding rail 322 is fixedly connected with the servo motor 321, the segmented screw 323 is fixedly connected with the output end of the servo motor 321, and the sliding block 324 is further provided with an internal thread hole 3241, the segmented screw 323 is connected with the internal thread hole 3241 through threads, and the sliding block 324 is slidingly connected with the sliding rail 322.

[0030] The servo motor 321 outputs a fixed shaft torque to the segmented screw 323, the segmented screw 323 rotates around its axis, and the fixed shaft torque of the segmented screw 323 is transmitted to the sliding block 324 through the thread connection between the segmented screw 323 and the internal thread hole 3241, so that the sliding block 324 reciprocatingly displaces along the sliding rail 322, and the tool mechanism 35 drives the metal sheet raw material to be continuously die-stamped.

[0031] As shown in the figure, Figure 4 The segmented screw 323 is provided with an upper thread segment 3231 and a lower thread segment 3232, the upper thread segment 3231 and the lower thread segment 3232 are connected with the internal thread hole 3241 through threads, the upper thread segment 3231 is arranged above the lower thread segment 3232, and the pitch of the upper thread segment 3231 is three times that of the lower thread segment 3232.

[0032] The segmented screw 323 is provided with an upper thread segment 3231 and a lower thread segment 3232, and the upper thread segment 3231 and the lower thread segment 3232 are connected with the internal thread hole 3241 through threads, when the segmented screw 323 rotates around its axis at a constant speed, the pitch of the upper thread segment 3231 and the lower thread segment 3232 determines the displacement speed of the sliding block 324 along the sliding rail 322, the pitch of the upper thread segment 3231 is three times that of the lower thread segment 3232, that is, the displacement speed of the sliding block 324 along the upper thread segment 3231 is three times that of the sliding block along the lower thread segment 3232, which realizes fast approach, improves stamping efficiency, stamps at low speed, reduces instantaneous impact force on the cutting edge, and reduces micro-chipping.

[0033] As shown in the figure, Figure 5 The feedback mechanism 33 further comprises a torque motor 332, a gear rod 333 and a gear ring 335, the torque motor 332 and the adjustable damping rod 334 are fixedly connected with the side frame 331, the torque motor 332 is connected with the electric control cabinet 2 through an electrical signal, the output end of the torque motor 332 is fixedly connected with the gear rod 333, the gear rod 333 is in mesh with the gear ring 335, and the gear ring 335 is rotationally connected with the adjustable damping rod 334.

[0034] According to different types of steel, the staff operates the electric control cabinet 2 to send a specified electrical signal to the torque motor 332, the torque motor 332 outputs a fixed shaft torque to the gear rod 333, the gear rod 333 rotates around its axis, the gear ring 335 rotates the adjustable damping rod 334 to adjust the damping size through the meshing of the gear rod 333 and the gear ring 335.

[0035] As shown in Figure 6 , Figure 7 , the tool mechanism 35 further comprises inner cooling tools 352, a liquid pump 353 and a cooling liquid cylinder 354. The inner cooling tools 352 are provided in several groups, and the several groups of inner cooling tools 352 are linearly and uniformly distributed along the base plate 351. The inner cooling tools 352, the liquid pump 353 and the cooling liquid cylinder 354 are fixedly connected with the base plate 351. The inner cooling tools 352 are provided with a meandering flow channel 3521 arranged inside the inner cooling tools 352. The liquid pump 353 is in communication with the meandering flow channel 3521 and the cooling liquid cylinder 354 through pipelines. The liquid pump 353 is connected with the electric control cabinet 2 through electrical signals.

[0036] The slider 324 reciprocates up and down along the slide rail 322 to drive the tool mechanism 35 to continuously die stamp the transported metal sheet raw material. The electric control cabinet 2 sends electrical signals to the liquid pump 353, which drives the medium to circulate in the meandering flow channel 3521 and the cooling liquid cylinder 354 through the pipelines to perform circulating liquid cooling on the tools, effectively control the working temperature of the tool edge, and prevent hardness reduction and thermal fatigue wear caused by excessive temperature rise.

[0037] As shown in Figure 6 , the tool mechanism 35 further comprises an oil nozzle 355, an oil pump 356, an oil storage tank 357, an air jet nozzle 358 and a high-pressure air pump 359. The air jet nozzle 358 is provided in two groups, and the two groups of air jet nozzles 358 are arranged on both sides of the oil nozzle 355. The oil nozzle 355, the oil pump 356, the oil storage tank 357, the air jet nozzle 358 and the high-pressure air pump 359 are fixedly connected with the base plate 351. The oil pump 356 is in communication with the oil nozzle 355 and the oil storage tank 357 through pipelines. The air jet nozzle 358 is in communication with the high-pressure air pump 359 through a pipeline. The oil pump 356 and the high-pressure air pump 359 are connected with the electric control cabinet 2 through electrical signals.

[0038] When the tool mechanism 35 performs continuous die stamping on the transported metal sheet raw material, the electric control cabinet 2 sends electrical signals to the oil pump 356 and the high-pressure air pump 359. The oil pump 356 sprays lubricating oil from the oil nozzle 355, and the high-pressure air pump 359 sprays high-pressure gas through the air jet nozzles 358 located on both sides of the oil nozzle 355. The high-pressure gas impacts the lubricating oil to form a lubricating oil film between the tool edge and the metal sheet raw material, slowing down the rigid collision between the tool edge and the metal sheet, and effectively reducing the tool edge wear.

[0039] As shown in Figure 8 , the bottom die mechanism 4 further comprises a guide rail sliding table 42 and a blanking cylinder 43. The guide rail sliding table 42 and the blanking cylinder 43 are fixedly connected with the machine tool base 41. The blanking cylinder 43 is arranged on the machine tool base 41 away from the feeder 1.

[0040] The feeding machine 1 transports the metal sheet raw material to the guide rail sliding table 42, and the metal sheet raw material slides to the blanking cylinder 43, and the cutter mechanism 35 reciprocates upward and downward to continuously die stamping the transported metal sheet raw material.

[0041] The working principle of the present application: the feeding machine 1 transports the metal sheet raw material to the bottom die mechanism 4, the operation of the electric control cabinet 2 sends an electric signal to the punch mechanism 3, the driving mechanism 32 drives the cutter mechanism 35 to reciprocate downward through the sliding block 324, and the cutter mechanism 35 continuously die stamps the transported metal sheet raw material, and when stamping, the servo motor 321 outputs a fixed shaft torque to the segmented screw 323, the segmented screw 323 rotates around its axis, and the upper threaded segment 3231 and the lower threaded segment 3232 are threadedly connected with the internal threaded hole 3241, when the segmented screw 323 rotates around its axis at a constant speed, the pitch of the upper threaded segment 3231 and the lower threaded segment 3232 determines the displacement speed of the sliding block 324 along the sliding rail 322, the pitch of the upper threaded segment 3231 is three times that of the lower threaded segment 3232, that is, the displacement speed of the sliding block 324 when the upper threaded segment 3231 is displaced is three times that of the sliding block in the lower threaded segment 3232, which realizes fast approach, material lifting stamping efficiency, low speed stamping material, reduces the instantaneous impact force on the cutting edge, reduces micro-chipping, and improves the cross-section quality, the cutter mechanism 35 descends to the end far away from the servo motor 321, the pressing plate 3242 contacts the adjustable damping rod 334, the worker operates the electric control cabinet 2 to send a specified electric signal to the feedback mechanism 33, and adjusts the damping of the adjustable damping rod 334 according to the rigidity of different metal sheet types, when stamping high-rigidity metal sheets, the damping of the adjustable damping rod 334 needs to be increased to reduce the rigid collision between the cutting edge and the high-rigidity metal sheet, reduce the instantaneous impact force on the cutting edge, and reduce micro-chipping, when stamping low-rigidity metal sheets, the damping of the adjustable damping rod 334 is reduced to increase the instantaneous collision force between the cutting edge and the low-rigidity metal sheet, avoid slow stamping of the cutting edge on the low-rigidity metal sheet, and cause the metal sheet to be excessively deformed due to extrusion, the cutter mechanism 35 is internally provided with a channel for circulating liquid cooling of the cutter, which effectively controls the working temperature of the cutting edge, prevents hardness reduction and thermal fatigue wear caused by excessive temperature rise, and at the same time forms a lubricating oil film between the cutting edge and the metal sheet raw material to slow down the rigid collision between the cutting edge and the metal sheet, effectively reducing the cutting edge wear.

[0042] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A stamping device with anti-blade wear function, the stamping device comprising a feeder (1), characterized in that: The stamping equipment also includes an electrical control cabinet (2), a punching mechanism (3) and a bottom die mechanism (4). The feeding machine (1), electrical control cabinet (2) and punching mechanism (3) are all fixedly connected to the bottom die mechanism (4). The electrical control cabinet (2) and the punching mechanism (3) are connected by electrical signals. The punching mechanism (3) includes a drive mechanism (32), an assembly frame (34) and a cutting tool mechanism (35). The drive mechanism (32) includes a slider (324), and the cutting tool mechanism (35) includes a base plate (351). The assembly frame (34) is fixedly connected to the slider (324) and the base plate (351).

2. The stamping equipment with anti-blade wear function according to claim 1, characterized in that: The punching mechanism (3) also includes a base (31) and a feedback mechanism (33). The drive mechanism (32) also includes a servo motor (321). The feedback mechanism (33) includes a side frame (331) and an adjustable damping rod (334). The slider (324) is provided with a pressure plate (3242). The feedback mechanism (33) and the pressure plate (3242) are provided in two sets. The two sets of feedback mechanisms (33) and pressure plates (3242) are provided on both sides of the slider (324). The bottom mold mechanism (4) includes a machine tool base (41). The base (31) is fixedly connected to the servo motor (321), the side frame (331), and the machine tool base (41). The pressure plate (3242) is in contact with the adjustable damping rod (334). The servo motor (321), the feedback mechanism (33), the tool mechanism (35), and the electrical control cabinet (2) are all connected by electrical signals.

3. A stamping equipment with anti-blade wear function according to claim 2, characterized in that: The drive mechanism (32) further includes a slide rail (322) and a segmented screw (323). The slide rail (322) is fixedly connected to the servo motor (321), and the segmented screw (323) is fixedly connected to the output end of the servo motor (321). The slider (324) is also provided with an internal threaded hole (3241). The segmented screw (323) and the internal threaded hole (3241) are connected by threads. The slider (324) is slidably connected to the slide rail (322).

4. A stamping equipment with anti-blade wear function according to claim 3, characterized in that: The segmented screw (323) is provided with an upper threaded section (3231) and a lower threaded section (3232). Both the upper threaded section (3231) and the lower threaded section (3232) are threadedly connected to the internal threaded hole (3241). The upper threaded section (3231) is located above the lower threaded section (3232), and the pitch of the upper threaded section (3231) is three times the pitch of the lower threaded section (3232).

5. A stamping equipment with anti-blade wear function according to claim 2, characterized in that: The feedback mechanism (33) also includes a torque motor (332), a gear rod (333), and a gear ring (335). The torque motor (332) and the adjustable damping rod (334) are fixedly connected to the side frame (331). The torque motor (332) is connected to the electrical control cabinet (2) via an electrical signal. The output end of the torque motor (332) is fixedly connected to the gear rod (333). The gear rod (333) meshes with the tooth surface of the gear ring (335). The gear ring (335) is rotatably connected to the adjustable damping rod (334).

6. A stamping equipment with anti-blade wear function according to claim 2, characterized in that: The cutting tool mechanism (35) further includes an internal cooling cutting tool (352), a liquid pump (353), and a coolant cylinder (354). The internal cooling cutting tool (352) is provided in several groups, and the several groups of internal cooling cutting tools (352) are linearly and evenly distributed along the substrate (351). The internal cooling cutting tool (352), the liquid pump (353), and the coolant cylinder (354) are all fixedly connected to the substrate (351). The internal cooling cutting tool (352) is provided with a loop flow channel (3521), and the loop flow channel (3521) is located inside the internal cooling cutting tool (352). The liquid pump (353) is connected to the loop flow channel (3521) and the coolant cylinder (354) through pipes. The liquid pump (353) is connected to the electrical control cabinet (2) through electrical signals.

7. A stamping equipment with anti-blade wear function according to claim 6, characterized in that: The cutting tool mechanism (35) also includes an oil injector (355), an oil pump (356), an oil storage tank (357), an air jet nozzle (358), and a high-pressure air pump (359). There are two sets of air jet nozzles (358), which are located on both sides of the oil injector (355). The oil injector (355), oil pump (356), oil storage tank (357), air jet nozzle (358), and high-pressure air pump (359) are all fixedly connected to the base plate (351). The oil pump (356) is connected to the oil injector (355) and the oil storage tank (357) through pipes. The air jet nozzle (358) is connected to the high-pressure air pump (359) through pipes. The oil pump (356) and the high-pressure air pump (359) are connected to the electrical control cabinet (2) through electrical signals.

8. A stamping equipment with anti-blade wear function according to claim 2, characterized in that: The bottom mold mechanism (4) also includes a guide rail slide (42) and a feeding cylinder (43). The guide rail slide (42) and the feeding cylinder (43) are both fixedly connected to the machine tool base (41). The feeding cylinder (43) is located on the machine tool base (41) at one end away from the feeding machine (1).

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