CN111745054A - Intelligent temperature control type high-precision burr-preventing stamping die - Google Patents
Intelligent temperature control type high-precision burr-preventing stamping die Download PDFInfo
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- CN111745054A CN111745054A CN202010670256.9A CN202010670256A CN111745054A CN 111745054 A CN111745054 A CN 111745054A CN 202010670256 A CN202010670256 A CN 202010670256A CN 111745054 A CN111745054 A CN 111745054A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/06—Stripping-off devices
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- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses an intelligent temperature control type high-precision burr-proof stamping die, which comprises an upper die base and a lower die base, wherein the bottom of the upper die base is fixedly connected with the top of the lower die base, the inner walls of two sides of the upper die base are respectively provided with a feed inlet and a discharge outlet, the front surface of the upper die base is provided with a PLC (programmable logic controller), a hydraulic cylinder is fixedly arranged on the inner top wall of the upper die base, a punching platform is fixedly arranged at the output end of the hydraulic cylinder, the bottom of the stamping platform is fixedly provided with a stamping head, the top surface of the stamping platform is provided with a temperature sensor, l-shaped plates are fixedly arranged on the two inner side walls of the lower die base, limiting sleeves are fixedly arranged on the two side surfaces of the lower die base through brackets, the inner ring of the limiting sleeve is movably connected with a threaded rod, the two threaded rods are fixedly provided with turnplates at the ends far away from each other, and the two threaded rods are movably connected with the side surfaces of the L-shaped plates through bearings at the ends close to each other. The invention can continuously cool the punching head and solve the problem of processing precision reduction caused by high temperature of the die.
Description
Technical Field
The invention belongs to the field of stamping equipment, relates to a stamping die technology, and particularly relates to an intelligent temperature control type high-precision burr-proof stamping die.
Background
The stamping is a forming method for obtaining a workpiece with a required shape and size by applying external force to a plate, a strip, a pipe, a section bar and the like by a press machine and a die to cause plastic deformation or separation, and the stamping and the forging are the same plastic processing and are called forging and pressing together. The stamped blanks are mainly hot and cold rolled steel sheets and strips. In the world, 60-70% of steel products are plates, most of the steel products are made into finished products through stamping, the automobile bodies, chassis, oil tanks, radiator fins of automobiles, steam drums of boilers, shells of containers, iron core silicon steel sheets of motors and electric appliances and the like are stamped, a large number of stamping parts are also arranged in products such as instruments, household electric appliances, bicycles, office machinery, living vessels and the like, the stamping is a production technology for directly applying a deformation force to the plates in a die and deforming the plates by means of the power of conventional or special stamping equipment, so that product parts with certain shapes, sizes and performances are obtained, and the plates, the die and the equipment are three essential factors of stamping.
Can produce a large amount of heats in the stamping process, the mould can be ageing-accelerated for a long time working under high temperature environment, warp, the machining precision greatly reduced who leads to the mould, the life of mould has been shortened simultaneously, in addition because the mould can inevitably receive some wearing and tearing when using, the mould is after long-time the use, because wearing and tearing can lead to its punching press clearance increase, cause panel after accomplishing the punching press processing, crackle, deckle edge can appear in its machined surface, the precision of punching press processing is lower, the effect is relatively poor.
Chinese patent No. CN103286220A discloses an intelligent temperature-controlled stamping die, which is characterized in that a temperature sensor is embedded in the die, and then the temperature sensor is output through a universal 485 communication interface, the temperature change and difference of each point in the die can be observed in real time through an external human-computer interface, and then the temperature of a temperature rising area is automatically and immediately cooled through a semiconductor refrigeration sheet, so as to eliminate the influence of thermal expansion effect, and further ensure the manufacturing precision; however, the continuous cooling effect of the cooling method through the semiconductor cooling plate is poor, and the cooling mode is difficult to meet the cooling requirement of the stamping die actually used for processing because the stamping die is usually in a continuous working state when in use.
Chinese patent No. CN203459497U discloses a burr-proof stamping die, which enables a material to abut against a blocking knife during blanking processing by the arrangement of the blocking knife, thereby ensuring blanking force in a vertical direction, preventing burrs or burrs from being generated, protecting a punch, and improving processing efficiency; the die is continuously worn in the using process, so that after the die is used for a period of time, the stamping clearance between the upper die and the lower die of the die is increased, the tensile stress component in the stress state is increased, and the stamped plate is easy to generate cracks and burrs.
Disclosure of Invention
The invention aims to provide an intelligent temperature control type high-precision burr-proof stamping die;
the technical problems to be solved by the invention are as follows:
(1) how to provide a stamping die capable of intelligently controlling temperature;
(2) how to ensure the continuity of the intelligent cooling process;
(3) the problems that the stamping clearance is increased due to die abrasion, and the plate is cracked and rough edged are solved;
(4) how to quickly take out the plate after the punching process is completed.
The purpose of the invention can be realized by the following technical scheme:
an intelligent temperature control type high-precision burr-preventing stamping die comprises an upper die base and a lower die base, wherein the bottom of the upper die base is fixedly connected with the top of the lower die base, the inner walls of the two sides of the upper die base are respectively provided with a feed inlet and a discharge outlet, the front surface of the upper die base is provided with a PLC (programmable logic controller), the inner top wall of the upper die base is fixedly provided with a first water tank and a second water tank, the front surface of the second water tank is provided with a condenser, the inner top walls of the first water tank and the second water tank are fixedly communicated with a communicating pipe, the top of the communicating pipe penetrates through the inner top wall of the upper die base and extends to the outer part of the upper die base, the top of the communicating pipe communicated with the second water tank is provided with a water suction pump, the inner top wall of the upper die base is fixedly provided with a hydraulic cylinder, the side surfaces, close to each other, of the two slide rails are movably connected with a slide block, a fixed block is fixedly installed between the slide block and the side surface, close to each other, of the stamping table, the top surface of the stamping table is provided with a temperature sensor, two symmetrical fixed plates are fixedly installed between the front inner wall and the rear inner wall of the upper die base, an electric push rod is fixedly installed at the bottom of each fixed plate, a connecting plate is fixedly installed at the output end of the electric push rod, one side surface of each connecting plate is provided with an air pump, uniformly distributed connecting blocks are fixedly installed at the bottom of each connecting plate, vacuum suckers are fixedly installed at the bottoms of the connecting blocks, the inner walls of the vacuum;
the die comprises a lower die holder, a bearing, a threaded rod, a guide rail, an L-shaped plate, a limiting sleeve, a mounting block, a connecting post and a mounting plate, wherein the two inner side walls of the lower die holder are fixedly provided with the L-shaped plates, the two side surfaces of the lower die holder are fixedly provided with the limiting sleeve through a support, the inner ring of the limiting sleeve is movably connected with the threaded rod, the far end of the two threaded rods is fixedly provided with the rotary table, the near end of the two threaded rods is movably connected with the side surface of the L-shaped plate through the bearing, the outer surface of the threaded rod is in threaded connection with the threaded sleeve, the bottom of the threaded sleeve is fixedly provided;
the inner bottom walls of the first water tank and the second water tank are fixedly communicated with a fixed pipe, a water through groove is formed between the top surface and the bottom surface of the stamping table, the top of the water through groove is communicated with a connecting pipe, a hose is communicated between the top of the connecting pipe and the bottom of the fixed pipe, a spiral pipeline is formed in the stamping head, and two ends of the spiral pipeline are respectively communicated with the bottoms of the two water through grooves;
the pressing mechanism comprises a straight plate, the top surface of the straight plate is fixedly connected with the inner top wall of the vacuum chuck, the bottom surface of the straight plate is provided with a groove, two inner side walls of the groove are both provided with a chute, the inner walls of the two chutes are movably connected with guide blocks, a lifting block is fixedly arranged between the side surfaces, close to the two guide blocks, of the two guide blocks, a spring is fixedly arranged between the top of the lifting block and the inner top wall of the groove, and a pressing block is fixedly arranged at the bottom of the lifting block;
the output of temperature sensor and the input electric connection of PLC controller, the input of suction pump, aspiration pump and the output electric connection of PLC controller.
Furthermore, the middle parts of the two connecting pipes are provided with electronic valves, and the input ends of the electronic valves are electrically connected with the output end of the PLC.
Further, the input end and the output end of the condenser are both communicated with the second water tank, a partition plate is fixedly mounted between the inner walls of the second water tank, and the input end and the output end of the condenser are respectively located on two sides of the partition plate.
Further, a gap is reserved between the outer ring of the spring and the inner wall of the groove.
Furthermore, tripods are fixedly mounted between the four side faces of the lifting block and the top face of the pressing block.
Furthermore, an anti-slip pad is embedded in the bottom surface of the pressing block.
Furthermore, a handle is fixedly installed on the side face, far away from the lower die base, of the rotary table, and an anti-slip coil is wound on the outer surface of the handle.
Further, an intelligent temperature control type high-precision burr-preventing stamping die using method comprises the following steps:
the first step is as follows: holding the handle of the rotary table by hand, simultaneously rotating the two rotary tables to simultaneously move the two mounting plates, and adjusting the gap between the two mounting plates to a reasonable position according to the material and the thickness of the plate to be processed and the abrasion degree of the stamping head and the mounting plates;
the second step is that: a plate to be punched is placed between the two mounting plates through the feeding hole, the two electric push rods are started to push the vacuum suckers to move downwards, after the bottom surface of the pressing block is contacted with the surface of the plate, the spring contracts until the bottom surface of the vacuum sucker is attached to the surface of the plate, and the reaction force of the spring acts on the pressing block to press the plate and the mounting plates;
the third step: starting a hydraulic cylinder to push a stamping head to move downwards, stamping a plate by using the stamping head, transmitting the temperature of the surface of a stamping table to a PLC (programmable logic controller) by using a temperature sensor in the processing process, starting a water suction pump and a condenser by the PLC when a temperature signal value is higher than a specified threshold value, opening valves of two electronic valves, and allowing cold water to enter the stamping head through a second water tank, a fixed pipe, a hose, a connecting pipe and a water through groove and cooling the stamping head in a water cooling way in a spiral pipeline;
the fourth step: after punching press is accomplished, the pneumatic cylinder contracts, and the punching press head separates with panel, starts the aspiration pump through the PLC controller and takes out the air in the vacuum chuck, makes the inside negative pressure that produces of vacuum chuck, holds panel, and two electric putter shrink simultaneously, mention panel after the punching press, take out panel through the discharge gate, accomplish the punching press course of working.
The invention has the beneficial effects that: the invention has the following beneficial effects:
1. the intelligent temperature control can be carried out on the stamping head through the structures such as the arranged temperature sensor, the PLC, the water suction pump, the electronic valve and the like, when the temperature of the die is overhigh, the water suction pump and the electronic valve are started through the PLC, so that cooling water enters the spiral pipeline, the stamping head is cooled, the influence of high temperature on the machining precision is reduced, the machining precision of the stamping die is improved, the aging of the die is delayed, and the service life of the equipment is prolonged;
2. the water pump pumps water in external water storage equipment into the second water tank, condensed water continuously enters the spiral pipeline from the second water tank after the condenser exchanges heat, and the flushing head is continuously cooled by water, so that the cooling effect of the equipment is greatly improved;
3. the distance between the two mounting plates can be controlled by the structures such as the threaded rod, the rotary table, the connecting column and the like, so that the stamping clearance of the die can be finely adjusted, the problem that the stamping clearance is too large due to abrasion of the die is solved, and the problem that cracks and burrs occur on the processing surface of the plate due to too large stamping clearance is prevented;
4. through the vacuum chuck, the aspirator pump isotructure that set up can accomplish the punching press processing back at equipment, will accomplish the panel of punching press processing and hold and mention to the convenience is directly taken out panel through the discharge gate, simplifies the ejection of compact process, improves the machining efficiency of equipment on the whole.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a front cross-sectional view of the structure of the present invention;
FIG. 2 is a front sectional view of the upper die holder according to the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is a front sectional view of the structure of the punching table and the punching head of the present invention;
FIG. 5 is a left side view of the web structure of the present invention;
FIG. 6 is a front sectional view of the hold-down mechanism of the present invention;
FIG. 7 is a front cross-sectional view of the lower die holder structure of the present invention;
fig. 8 is a front view of the structure of the present invention.
Wherein: 1. an upper die holder; 2. a lower die holder; 3. a feed inlet; 4. a discharge port; 5. a PLC controller; 6. a first water tank; 7. a second water tank; 8. a condenser; 9. a communicating pipe; 10. a water pump; 11. a hydraulic cylinder; 12. a punching stage; 13. punching a head; 14. a slide rail; 15. a slider; 16. a fixed block; 17. a temperature sensor; 18. a fixing plate; 19. an electric push rod; 20. a connecting plate; 21. an air pump; 22. connecting blocks; 23. a vacuum chuck; 24. a hold-down mechanism; 241. a straight plate; 242. a groove; 243. a chute; 244. a guide block; 245. a lifting block; 246. a spring; 247. a compression block; 248. a tripod; 249. a non-slip mat; 25. an L-shaped plate; 26. a limiting sleeve; 27. a threaded rod; 28. a turntable; 29. a threaded sleeve; 30. mounting blocks; 31. a guide rail; 32. connecting columns; 33. mounting a plate; 34. a fixed tube; 35. a water trough; 36. a connecting pipe; 37. a hose; 38. a helical conduit; 39. an electronic valve.
Detailed Description
As shown in fig. 1-8, an intelligent temperature-control high-precision burr-proof stamping die comprises an upper die holder 1 and a lower die holder 2, wherein the bottom of the upper die holder 1 is fixedly connected with the top of the lower die holder 2, the inner walls of two sides of the upper die holder 1 are respectively provided with a feed inlet 3 and a discharge outlet 4, the feed inlet 3 and the discharge outlet 4 are used for feeding and discharging materials, the front surface of the upper die holder 1 is provided with a PLC controller 5, the PLC controller 5 is used for controlling the opening and closing of a suction pump 10, an air suction pump 21, a condenser 8 and an electronic valve 39, the inner top wall of the upper die holder 1 is fixedly provided with a first water tank 6 and a second water tank 7 for receiving cooling water, the front surface of the second water tank 7 is provided with the condenser 8 for exchanging heat for the water in the second water tank 7, reducing the temperature of the water in the second water tank 7 and improving the cooling effect of the ram 13 by the cooling water, the, the top of the communicating pipe 9 penetrates through the inner top wall of the upper die base 1 and extends to the outside of the upper die base 1, the communicating pipe 9 is used for connecting the first water tank 6, the second water tank 7 and external water storage equipment, a water suction pump 10 is arranged at the top of the communicating pipe 9 communicated with the second water tank 7, after the water suction pump 10 is opened by the PLC 5, water in the external water storage equipment is sucked into the second water tank 7 by the water suction pump 10 and enters the spiral pipeline 38 to carry out water cooling heat dissipation on the punching head 13 after heat exchange through the condenser 8, a hydraulic cylinder 11 is fixedly arranged at the inner top wall of the upper die base 1 and is used as a punching power source, a punching table 12 is fixedly arranged at the output end of the hydraulic cylinder 11, a punching head 13 is fixedly arranged at the bottom of the punching table 12 and is used for punching by utilizing the punching head 13 to punch downwards, two symmetrical slide rails 14 are fixedly arranged, two the equal swing joint in side that slide rail 14 is close to mutually has slider 15, fixed mounting has fixed block 16 between the side that slider 15 and stamping station 12 are close to mutually, and the effect of slide rail 14, slider 15 and fixed block 16 isotructure is spacing to stamping station 12, guarantees that stamping station 12 moves in vertical direction, appears the skew when avoiding punching press head 13 to move down, influences the precision of stamping processing, stamping station 12 top surface is provided with temperature sensor 17, and temperature sensor 17 is used for detecting the temperature of stamping station 12 to carry temperature signal to PLC controller 5 in real time, when the temperature signal value is higher than appointed threshold value, PLC controller 5 opens suction pump 10, electronic valve 39 and carries out the water-cooling, fixed mounting has two symmetrical fixed plates 18 between the front and back inner wall of upper die base 1, fixed mounting has electric putter 19 bottom fixed plate 18, the output end of the electric push rod 19 is fixedly provided with a connecting plate 20, one side surface of the connecting plate 20 is provided with an air pump 21, the air pump 21 is used for pumping air in a vacuum sucker 23 to generate negative pressure in the vacuum sucker 23, after the processing is finished, the electric push rod 19 contracts to directly lift the plate and facilitate discharging, the bottom of the connecting plate 20 is fixedly provided with evenly distributed connecting blocks 22, the bottom of each connecting block 22 is fixedly provided with the vacuum sucker 23, the inner wall of the vacuum sucker 23 is communicated with the air pump 21 through an air pipe, the top wall in the vacuum sucker 23 is provided with a pressing mechanism 24, and the pressing mechanism 24 can press the punched plate and the mounting plate 33 before punching, so that the plate is prevented from sliding in the processing process, and the processing precision of the equipment is ensured;
the two inner side walls of the lower die holder 2 are fixedly provided with L-shaped plates 25, two side surfaces of the lower die holder 2 are fixedly provided with limit sleeves 26 through brackets, the inner ring of each limit sleeve 26 is movably connected with a threaded rod 27, the threaded rods 27 are used for adjusting the gap between the two mounting plates 33, so that the stamping gap of the die is finely adjusted, the problem that the stamping gap is too large due to abrasion of the die is avoided, one ends, away from the two threaded rods 27, of the two threaded rods 27 are fixedly provided with a turntable 28, the turntable 28 is used for conveniently rotating the threaded rods 27, the ends, close to the two threaded rods 27, of the two threaded rods 27 are movably connected with the side surfaces of the L-shaped plates 25 through bearings, the outer surfaces of the threaded rods 27 are in threaded connection with threaded sleeves 29, the bottoms of the threaded sleeves 29 are fixedly provided with mounting blocks, the guide rail 31 and the mounting block 30 are used for limiting the front direction, the rear direction, the upper direction and the lower direction of the threaded sleeve 29, so that when the threaded rod 27 rotates, the threaded sleeve 29 can only move in the left direction and the right direction, the distance between the two mounting plates 33 is changed, the top of the threaded sleeve 29 is fixedly provided with the connecting column 32, and the top of the connecting column 32 is fixedly provided with the mounting plates 33;
the inner bottom walls of the first water tank 6 and the second water tank 7 are fixedly communicated with a fixed pipe 34, a water through groove 35 is formed between the top surface and the bottom surface of the stamping platform 12, the top of the water through groove 35 is communicated with a connecting pipe 36, a hose 37 is communicated between the top of the connecting pipe 36 and the bottom of the fixed pipe 34, a spiral pipeline 38 is formed inside the stamping head 13, and two ends of the spiral pipeline 38 are respectively communicated with the bottoms of the two water through grooves 35; the cooling water in the second water tank 7 enters the spiral pipeline 38 through the fixed pipe 34, the hose 37, the connecting pipe 36 and the water passing groove 35 in sequence, the cooling water in the spiral pipeline 38 absorbs the heat of the punching head 13 and is discharged through the water passing groove 35, the connecting pipe 36, the hose 37 and the fixed pipe 34 on the other side;
the pressing mechanism 24 comprises a straight plate 241, the top surface of the straight plate 241 is fixedly connected with the inner top wall of the vacuum chuck 23, the bottom surface of the straight plate 241 is provided with a groove 242, two inner side walls of the groove 242 are both provided with sliding grooves 243, the inner walls of the two sliding grooves 243 are both movably connected with guide blocks 244, a lifting block 245 is fixedly installed between the side surfaces of the two guide blocks 244 which are close to each other, a spring 246 is fixedly installed between the top of the lifting block 245 and the inner top wall of the groove 242, and a pressing block 247 is fixedly installed at the bottom of the lifting block 245; when the electric push rod 19 extends out, the position of the pressing mechanism 24 moves downwards, when the bottom surface of the pressing block 247 contacts with the surface of the processed plate, the spring 246 contracts, the lifting block 245 slides upwards on the sliding groove 243 in the groove 242 until the bottom surface of the vacuum chuck 23 is tightly attached to the surface of the processed plate, the reaction force of the spring 246 acts on the pressing block 247 to press the processed plate and the mounting plate 33, and the stability of the punched plate in the processing process is ensured;
the output end of the temperature sensor 17 is electrically connected with the input end of the PLC 5, and the input ends of the water suction pump 10 and the air suction pump 21 are electrically connected with the output end of the PLC 5;
the two communicating pipes 9 are respectively communicated with two external water storage devices.
Furthermore, the electronic valve 39 is disposed in the middle of each of the two connecting pipes 36, and the input end of the electronic valve 39 is electrically connected to the output end of the PLC controller 5. The PLC 5 automatically controls the opening and closing of the electronic valve 39 to realize intelligent temperature control.
Furthermore, the input end and the output end of the condenser 8 are both communicated with the second water tank 7, a partition plate is fixedly installed between the inner walls of the second water tank 7, and the input end and the output end of the condenser 8 are respectively located on two sides of the partition plate. Water in the external water storage device enters one side of the inner partition plate of the second water tank 7 through the communicating pipe 9, enters the condenser 8 through the input end of the condenser 8 to perform heat exchange, enters the other side of the partition plate in the second water tank 7 through the output end of the condenser 8 after the heat exchange of the condenser 8, and flows out of the second water tank 7 through the fixed pipe 34.
Further, a gap is left between the outer ring of the spring 246 and the inner wall of the groove 242. Avoid the spring 246 contacting the inner wall of the groove 242 when expanding and contracting, which generates unnecessary friction and reduces the abrasion of the parts of the equipment.
Furthermore, tripods 248 are fixedly arranged between the four side surfaces of the lifting block 245 and the top surface of the pressing block 247. The triangular blocks are used for strengthening the connection between the lifting block 245 and the pressing block 247.
Furthermore, a non-slip mat 249 is embedded in the bottom surface of the pressing block 247. The friction between the pressing block 247 and the surface of the plate is increased, the plate is prevented from sliding in the stamping process, and the stability of the plate in the stamping process is improved.
Furthermore, a handle is fixedly installed on the side of the turntable 28 far away from the lower die holder 2, and an anti-slip coil is wound on the outer surface of the handle. When the handle is held by a hand, the rotating disc 28 can be conveniently rotated, the friction between the palm and the handle can be increased by the anti-slip coil, and the phenomenon of hand drop when the rotating disc 28 is rotated is avoided.
Furthermore, the use method of the intelligent temperature control type high-precision burr-proof stamping die comprises the following steps:
the first step is as follows: holding the handle of the rotary table 28 by hand, simultaneously rotating the two rotary tables 28 to simultaneously move the two mounting plates 33, and adjusting the gap between the two mounting plates 33 to a reasonable position according to the material and thickness of the plate to be processed and the abrasion degree of the stamping head 13 and the mounting plates 33;
the second step is that: a plate to be punched penetrates through the feeding hole 3 and is placed between the two mounting plates 33, the two electric push rods 19 are started to push the vacuum suckers 23 to move downwards, after the bottom surface of the pressing block 247 is contacted with the surface of the plate, the spring 246 contracts until the bottom surface of the vacuum sucker 23 is tightly attached to the surface of the plate, and the reaction force of the spring 246 acts on the pressing block 247 to press the plate and the mounting plates 33;
the third step: starting a hydraulic cylinder 11 to push a stamping head 13 to move downwards, stamping the plate by using the stamping head 13, transmitting the temperature of the surface of a stamping table 12 to a PLC (programmable logic controller) 5 by using a temperature sensor 17 in the processing process, starting a water suction pump 10 and a condenser 8 by the PLC 5 when a temperature signal value is higher than a specified threshold value, opening valves of two electronic valves 39, and allowing cold water to enter the stamping head 13 through a second water tank 7, a fixed pipe 34, a hose 37, a connecting pipe 36 and a water through groove 35 and cooling the stamping head 13 in a spiral pipeline 38 by water cooling;
the fourth step: after punching is finished, the hydraulic cylinder 11 contracts, the punching head 13 is separated from the plate, the air pump 21 is started through the PLC 5 to pump out air in the vacuum sucker 23, negative pressure is generated inside the vacuum sucker 23, the plate is sucked, the two electric push rods 19 contract simultaneously, the punched plate is lifted, the plate is taken out through the discharge hole 4, and the punching processing process is finished.
The invention has the following beneficial effects:
1. the intelligent temperature control can be carried out on the stamping head through the structures such as the arranged temperature sensor, the PLC, the water suction pump, the electronic valve and the like, when the temperature of the die is overhigh, the water suction pump and the electronic valve are started through the PLC, so that cooling water enters the spiral pipeline, the stamping head is cooled, the influence of high temperature on the machining precision is reduced, the machining precision of the stamping die is improved, the aging of the die is delayed, and the service life of the equipment is prolonged;
2. the water pump pumps water in external water storage equipment into the second water tank, condensed water continuously enters the spiral pipeline from the second water tank after the condenser exchanges heat, and the flushing head is continuously cooled by water, so that the cooling effect of the equipment is greatly improved;
3. the distance between the two mounting plates can be controlled by the structures such as the threaded rod, the rotary table, the connecting column and the like, so that the stamping clearance of the die can be finely adjusted, the problem that the stamping clearance is too large due to abrasion of the die is solved, and the problem that cracks and burrs occur on the processing surface of the plate due to too large stamping clearance is prevented;
4. through the vacuum chuck, the aspirator pump isotructure that set up can accomplish the punching press processing back at equipment, will accomplish the panel of punching press processing and hold and mention to the convenience is directly taken out panel through the discharge gate, simplifies the ejection of compact process, improves the machining efficiency of equipment on the whole.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (8)
1. The utility model provides an intelligence temperature control type high accuracy burr-proof stamping die, includes upper die base (1) and die holder (2), upper die base (1) bottom and die holder (2) top fixed connection, and feed inlet (3) and discharge gate (4) have been seted up respectively to upper die base (1) both sides inner wall, its characterized in that, upper die base (1) openly is provided with PLC controller (5), roof fixed mounting has first water tank (6) and second water tank (7) in upper die base (1), second water tank (7) openly is provided with condenser (8), roof all fixed intercommunication has communicating pipe (9) in first water tank (6) and the second water tank (7), the interior roof of communicating pipe (9) top through upper die base (1) extends to the outside of upper die base (1), and the top of communicating pipe (9) that is linked together with second water tank (7) is provided with suction pump (10), roof fixed mounting has pneumatic cylinder (11) in upper die base (1), pneumatic cylinder (11) output fixed mounting has punching press platform (12), punching press platform (12) bottom fixed mounting has stamping head (13), fixed mounting has two symmetrical slide rail (14) between the front and back inner wall of upper die base (1), two equal swing joint in side that slide rail (14) are close to mutually has slider (15), fixed mounting has fixed block (16) between the side that slider (15) and punching press platform (12) are close to mutually, punching press platform (12) top surface is provided with temperature sensor (17), fixed mounting has two symmetrical fixed plate (18) between the front and back inner wall of upper die base (1), fixed plate (18) bottom fixed mounting has electric putter (19), electric putter (19) output fixed mounting has connecting plate (20), an air suction pump (21) is arranged on one side face of the connecting plate (20), connecting blocks (22) which are uniformly distributed are fixedly installed at the bottom of the connecting plate (20), vacuum chucks (23) are fixedly installed at the bottoms of the connecting blocks (22), the inner walls of the vacuum chucks (23) are communicated with the air suction pump (21) through air pipes, and a pressing mechanism (24) is arranged on the inner top wall of each vacuum chuck (23);
l-shaped plates (25) are fixedly arranged on two inner side walls of the lower die holder (2), limiting sleeves (26) are fixedly arranged on two side surfaces of the lower die holder (2) through brackets, the inner ring of the limiting sleeve (26) is movably connected with a threaded rod (27), the ends of the two threaded rods (27) far away from each other are fixedly provided with a turntable (28), the ends of the two threaded rods (27) close to each other are movably connected with the side surface of the L-shaped plate (25) through bearings, the outer surface of the threaded rod (27) is in threaded connection with a threaded sleeve (29), the bottom of the threaded sleeve (29) is fixedly provided with a mounting block (30), a guide rail (31) is fixedly arranged on the bottom surface of the L-shaped plate (25), the mounting block (30) is movably connected with the guide rail (31), a connecting column (32) is fixedly mounted at the top of the threaded sleeve (29), and a mounting plate (33) is fixedly mounted at the top of the connecting column (32);
the inner bottom walls of the first water tank (6) and the second water tank (7) are fixedly communicated with a fixed pipe (34), a water passing groove (35) is formed between the top surface and the bottom surface of the stamping platform (12), the top of the water passing groove (35) is communicated with a connecting pipe (36), a hose (37) is communicated between the top of the connecting pipe (36) and the bottom of the fixed pipe (34), a spiral pipeline (38) is formed inside the stamping head (13), and two ends of the spiral pipeline (38) are respectively communicated with the bottoms of the two water passing grooves (35);
the pressing mechanism (24) comprises a straight plate (241), the top surface of the straight plate (241) is fixedly connected with the inner top wall of the vacuum chuck (23), the bottom surface of the straight plate (241) is provided with a groove (242), two inner side walls of the groove (242) are respectively provided with a sliding groove (243), the inner walls of the two sliding grooves (243) are respectively and movably connected with a guide block (244), a lifting block (245) is fixedly installed between the side surfaces of the two guide blocks (244) which are close to each other, a spring (246) is fixedly installed between the top of the lifting block (245) and the inner top wall of the groove (242), and a pressing block (247) is fixedly installed at the bottom of the lifting block (245);
the output end of the temperature sensor (17) is electrically connected with the input end of the PLC (5), and the input ends of the water suction pump (10) and the air suction pump (21) are electrically connected with the output end of the PLC (5).
2. The intelligent temperature-control high-precision burr-preventing stamping die as claimed in claim 1, wherein an electronic valve (39) is disposed in the middle of each of the two connecting pipes (36), and an input end of the electronic valve (39) is electrically connected with an output end of the PLC controller (5).
3. The intelligent temperature-control high-precision burr-preventing stamping die as recited in claim 1, wherein an input end and an output end of the condenser (8) are both communicated with the second water tank (7), a partition plate is fixedly installed between inner walls of the second water tank (7), and the input end and the output end of the condenser (8) are respectively located on two sides of the partition plate.
4. The intelligent temperature-control high-precision burr-proof stamping die of claim 1, wherein a gap is left between the outer ring of the spring (246) and the inner wall of the groove (242).
5. The intelligent temperature-control high-precision burr-proof stamping die of claim 1, wherein tripods (248) are fixedly mounted between four side surfaces of the lifting block (245) and the top surface of the pressing block (247).
6. The intelligent temperature-control high-precision burr-preventing stamping die of claim 1, wherein a non-slip mat (249) is embedded in the bottom surface of the pressing block (247).
7. The intelligent temperature-control high-precision burr-proof stamping die of claim 1, wherein a grip is fixedly mounted on the side of the rotary table (28) far away from the lower die holder (2), and an anti-slip coil is wound on the outer surface of the grip.
8. The use method of the intelligent temperature control type high-precision burr-preventing stamping die is characterized by comprising the following steps of:
the first step is as follows: holding the grip of the rotary table (28) by hand, simultaneously rotating the two rotary tables (28) to simultaneously move the two mounting plates (33), and adjusting the gap between the two mounting plates (33) to a reasonable position according to the material and the thickness of the plate to be processed and the abrasion degree of the stamping head (13) and the mounting plates (33);
the second step is that: a plate to be punched penetrates through the feeding hole (3) and is placed between the two mounting plates (33), the two electric push rods (19) are started to push the vacuum suckers (23) to move downwards, after the bottom surface of the pressing block (247) is contacted with the surface of the plate, the springs (246) contract until the bottom surface of the vacuum sucker (23) is attached to the surface of the plate, and the reaction force of the springs (246) acts on the pressing block (247) to press the plate and the mounting plates (33);
the third step: starting a hydraulic cylinder (11) to push a stamping head (13) to move downwards, stamping the plate by using the stamping head (13), transmitting a temperature signal of the surface of a stamping table (12) to a PLC (programmable logic controller) controller (5) by using a temperature sensor (17) in the processing process, starting a water suction pump (10) and a condenser (8) by using the PLC controller (5) when the temperature signal value is higher than a specified threshold value, opening valves of two electronic valves (39), and enabling cold water to enter the stamping head (13) through a second water tank (7), a fixed pipe (34), a hose (37), a connecting pipe (36) and a water through groove (35) and cool the stamping head (13) in a spiral pipeline (38) by water;
the fourth step: after punching is finished, the hydraulic cylinder (11) contracts, the punching head (13) is separated from the plate, the air pump (21) is started through the PLC (5) to pump out air in the vacuum sucker (23), negative pressure is generated inside the vacuum sucker (23) to suck the plate, the two electric push rods (19) contract simultaneously to lift the punched plate, and the plate is taken out through the discharge hole (4), so that the punching processing process is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010670256.9A CN111745054A (en) | 2020-07-13 | 2020-07-13 | Intelligent temperature control type high-precision burr-preventing stamping die |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010670256.9A CN111745054A (en) | 2020-07-13 | 2020-07-13 | Intelligent temperature control type high-precision burr-preventing stamping die |
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| CN111745054A true CN111745054A (en) | 2020-10-09 |
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| CN202010670256.9A Pending CN111745054A (en) | 2020-07-13 | 2020-07-13 | Intelligent temperature control type high-precision burr-preventing stamping die |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112620456A (en) * | 2021-03-05 | 2021-04-09 | 山东交通职业学院 | Part stamping forming device for Internet of things |
| CN112845892A (en) * | 2021-01-09 | 2021-05-28 | 杨述 | Circular iron sheet packing carton forming system |
| CN117816819A (en) * | 2024-03-05 | 2024-04-05 | 常州拓顿精密机械有限公司 | Multifunctional stamping device and method for sheet metal of rail train body |
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| CN117816819B (en) * | 2024-03-05 | 2024-05-07 | 常州拓顿精密机械有限公司 | Multifunctional stamping device and method for sheet metal of rail train body |
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