CN116351917A - Dynamics adjustment stamping die based on temperature - Google Patents
Dynamics adjustment stamping die based on temperature Download PDFInfo
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- CN116351917A CN116351917A CN202310408268.8A CN202310408268A CN116351917A CN 116351917 A CN116351917 A CN 116351917A CN 202310408268 A CN202310408268 A CN 202310408268A CN 116351917 A CN116351917 A CN 116351917A
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- 238000001816 cooling Methods 0.000 claims abstract description 44
- 238000005452 bending Methods 0.000 claims description 70
- 238000004080 punching Methods 0.000 claims description 46
- 230000000903 blocking effect Effects 0.000 claims description 16
- 230000008093 supporting effect Effects 0.000 claims description 16
- 230000001939 inductive effect Effects 0.000 claims description 5
- 230000001050 lubricating effect Effects 0.000 claims 2
- 239000002184 metal Substances 0.000 abstract description 35
- 238000005259 measurement Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 19
- 230000008569 process Effects 0.000 description 16
- 230000000694 effects Effects 0.000 description 12
- 239000000110 cooling liquid Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001976 improved effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229910000797 Ultra-high-strength steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
- B21D5/0209—Tools therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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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
- B21D37/04—Movable or exchangeable mountings for 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
- B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a temperature-based strength adjustment stamping die, which relates to the technical field of metal stamping, and comprises a stamping upper die and a stamping lower die, wherein the stamping lower die is provided with a connecting guide rod, the stamping lower die is arranged on a stamping bed, the stamping lower die is rotationally connected with the stamping bed, the stamping bed is provided with a stamping hydraulic rod, the output end of the stamping hydraulic rod is connected with the stamping upper die, the connecting guide rod is provided with a die drawing spring, two ends of the die drawing spring respectively prop against the stamping upper die and the stamping lower die, the bottom end of the stamping upper die is provided with a plurality of preheating rollers, the preheating rollers are rotationally connected with the stamping upper die, the stamping lower die is provided with a compensation support, the bottom end of the stamping upper die is provided with a stamping tool seat, the stamping tool seat is provided with a stamping tool, the two measurements of the stamping upper die are respectively provided with a compensation hydraulic rod, the output end of the compensation hydraulic rod is provided with a pushing block, and the stamping lower die is provided with a cooling component.
Description
Technical Field
The invention relates to the technical field of metal stamping, in particular to a temperature-based force adjustment stamping die.
Background
Most stamping parts are thin, uniform, light and strong compared with castings and forgings, and stamping can be used for manufacturing workpieces with reinforcing ribs, undulation or flanging which are difficult to manufacture by other methods so as to improve the rigidity.
The prior high-strength steel and the ultra-high-strength steel well realize the light weight of vehicles, improve the collision strength and the safety performance of the vehicles, and become an important development direction of the vehicle steel, but along with the improvement of the strength of the plate, the traditional cold stamping process is easy to generate a cracking phenomenon in the forming process, the processing process requirements of the high-strength steel plate cannot be met, the time required by a product manufactured by adopting hot stamping is longer, and the supply speed of the product is far from the production requirements relative to automobiles and other consumers, so that a certain contradiction is generated to the specific requirements of people, and manufacturers continuously find a most suitable production path to meet the growing production requirements of people in order to relieve the contradiction.
Disclosure of Invention
The invention aims to provide a stamping die based on strength adjustment of temperature so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: stamping die is adjusted to dynamics based on temperature.
The stamping die comprises a stamping upper die and a stamping lower die, wherein the stamping lower die is provided with a connecting guide rod, the connecting guide rod penetrates through the stamping upper die and is in sliding connection with the stamping upper die, the stamping lower die is arranged on a stamping bed, the stamping lower die is in rotary connection with the stamping bed, the stamping bed is provided with a stamping hydraulic rod, the output end of the stamping hydraulic rod is connected with the stamping upper die, the connecting guide rod is provided with a die drawing spring, two ends of the die drawing spring respectively prop against the stamping upper die and the stamping lower die, the bottom end of the stamping upper die is provided with a plurality of preheating rollers, the preheating rollers are in rotary connection with the stamping upper die, the stamping lower die is provided with a compensation support, the compensation support is in sliding connection with the stamping lower die, the bottom end of the stamping upper die is provided with a stamping tool seat, the stamping upper die is provided with a compensation hydraulic rod, the two ends of the stamping upper die are respectively in sliding connection with the compensation hydraulic rod, the output end of the compensation hydraulic rod is provided with a pushing block, the stamping lower die is provided with a cooling component, when stamping is carried out, firstly, a plate is placed on a stamping machine, a conveying mechanism on the stamping machine can convey the plate to a stamping lower die, the stamping lower die can receive plate raw materials, then the stamping upper die is driven by the stamping hydraulic rod on the stamping machine to move towards the direction of the plate, the metal plate is stamped by utilizing the power of the stamping hydraulic rod, meanwhile, the stamping angle can be compensated by the compensation support, the stamping shape can be adjusted, the metal plate can be preheated by the preheating roller, so that the toughness of the metal plate is enhanced, the fracture problem caused by insufficient toughness of the metal plate in the stamping process is avoided, the metal plate is secondarily stamped by the compensation hydraulic rod on the stamping upper die, preventing the rebound thereof.
The stamping upper die comprises a supporting frame and bending blocks, the bending blocks are respectively arranged at two ends of the supporting frame, each bending block is respectively connected with the supporting frame in a sliding mode, a connecting seat is arranged on the supporting frame, a locking ring is arranged on the connecting seat, a fastening bolt is arranged on the locking ring, the fastening bolt is meshed with the locking ring through threads, the connecting seat is connected with a stamping hydraulic rod, a movable screw rod is arranged on the supporting frame and is rotationally connected with the supporting frame, the bending blocks are meshed with threads on the movable screw rod, a preheating roller is respectively arranged on the bending blocks and the supporting frame, the positions of the bending blocks need to be adjusted before stamping, the movable screw rod is driven to rotate in a motor and manual driving mode, the bending blocks are driven to move after being rotated, the stamping angle and the stamping shape can be adjusted after the bending blocks move, when stamping is carried out, the stamping hydraulic rod is fed into the connecting seat, and then the fastening bolt is screwed tightly, so that the fastening bolt is tightly attached to the stamping hydraulic rod output end to be connected, and power transmission is carried out.
The support frame is provided with a punching groove, a punching die seat is arranged in the punching groove, a preheating groove is arranged on the support frame, two ends of the preheating groove are respectively provided with an adjusting groove, the adjusting groove is in sliding connection with the preheating groove, the adjusting groove is provided with an offset hole, a resisting spring is arranged in the offset hole, two ends of the resisting spring respectively resist against a rotating shaft of the preheating roller and the offset hole, the preheating groove is connected with a bending block through a guide rod, the punching die can support non-punching operation and punching operation of punching type, before punching is carried out, the bending block needs to be adjusted, in order to avoid the bending block from blocking heat transfer of the preheating roller, therefore, the posture of the preheating roller needs to be adjusted, when the bending block moves, the adjusting grooves are mutually close and are mutually far away, when the adjusting grooves are mutually close, the preheating roller is offset, and when the adjusting grooves are mutually far away, the preheating roller is offset under the action of the resisting spring, so that heat can be smoothly transferred onto a plate.
The temperature adjusting assembly comprises temperature control plates, each bending block is provided with a temperature control plate, the temperature control plates are arranged on one side, close to each other, of each bending block, each temperature control plate is connected with a stamping lower die in a sliding mode through a wire, feedback sliding blocks are arranged on the bending blocks and are connected with the bending blocks in a sliding mode, feedback cavities are arranged in the bending blocks, feedback resistors are arranged in the feedback cavities, the feedback sliding blocks are in sliding contact with the feedback resistors, the feedback sliding blocks and the feedback resistors are electrically connected with the temperature control plates through the wires, when stamping is conducted, the thickness of a plate at a deformation position changes, if compensation treatment is not conducted on the plate at the moment, the plate is slightly deformed, the plate is seriously broken, the yield of a product is greatly reduced, therefore the thickness of the plate can be detected, the sliding blocks are tightly attached to the plate, and move along with the plate, the plate moves on the feedback sliding blocks, the effective resistors change, the effective resistors are smaller, the heat on the temperature control plates is larger, the effective resistors are smaller, the thicker the plate is, and the thicker the plate is, so that the temperature compensation is conducted on the plate.
The lower stamping die is provided with a sliding block, the sliding block is in sliding connection with the lower stamping die, the sliding block is provided with an electrifying ring, the lower stamping die is internally provided with an auxiliary resistor, the electrifying ring is sleeved on the auxiliary resistor and is in sliding contact with the auxiliary resistor, the lower stamping die is provided with a temperature adjusting component, the temperature adjusting component is identical to the temperature adjusting component on the bending block in structure, the electrifying ring and the auxiliary resistor are connected with a temperature control plate through wires, one end of the sliding block, far away from the lower stamping die, is provided with a lubrication roller, the lubrication roller is in rotary connection with the lower stamping die, in the stamping process, the thickness of a plate is detected, one side of the sliding block is detected by a feedback slider, the other side of the sliding block is detected by the sliding block, the sliding block is tightly attached to the plate and moves along with the sliding block, the electrifying ring moves on the auxiliary resistor, the effective resistor changes, the heat on the temperature control plate is larger, the effective resistor is smaller, the heat on the temperature control plate is larger, thereby carrying out temperature compensation on a thicker deformation part, and after the detection is completed, the sliding block and the sliding block is reset by a spring.
The stamping lower die is provided with a plurality of sensing chambers, a stage air bag group is arranged in the sensing chambers, the stage air bag group comprises a plurality of sensing air bags, each sensing chamber is internally provided with a sensing air bag, each sensing chamber is internally provided with a sensing switch, each sensing air bag is respectively propped against the sensing switch, the sensing switch is an elastic switch with an elastic reset function, the sensing switch is connected with a stamping hydraulic rod and a compensation hydraulic rod through a wire, the sensing chambers sense the increase and loss of heat of a plate during bending in the stamping process, when the heat increase is large, the sensing air bags in the sensing chambers are increased and prop against the sensing switch, the closer to the bending part, the more the temperature increase is, the stamping speed of the stamping hydraulic rod and the compensation hydraulic rod is slowed down along with the change of the stamping force and the stamping speed of the stamping hydraulic rod along with the closing quantity of the sensing switch.
The compensating hydraulic rod cylinder body part sets up on the support frame, the compensating hydraulic rod output passes the piece of bending and with bend piece sliding connection, be provided with the punching press groove on bending on the piece, the propelling movement piece passes through rotation axis swivelling joint with the compensating hydraulic rod output, propelling movement piece is kept away from compensating hydraulic rod one side and is provided with the propulsion wheel, propulsion wheel and propulsion piece swivelling joint, when carrying out the compensation propulsion, the compensating hydraulic rod will drive the propelling movement piece on the piece of bending and remove, the propulsion piece removes to the panel, can carry out the secondary pressurization to panel department of bending, prevent that it from taking place the problem of resilience, the propulsion wheel can reduce the sliding contact between propulsion piece and sheet metal in the pressurization process simultaneously, avoid sheet metal to appear damaging.
The compensation support both sides are provided with the compensation piece respectively, every compensation piece and compensation support sliding connection, the direction of movement of every compensation piece is unanimous with the direction of movement of piece of bending, compensation support bottom is provided with the compensation mouth, be provided with the expansion piece in the compensation mouth, expansion piece and compensation piece sliding connection, compensation piece bottom is provided with the compensation seat, be provided with the rising hydraulic stem in the punching press lower mould, rising hydraulic stem and compensation seat fixed connection, when punching press, the board is very likely to appear curling deformation etc. after the cooling, then the expansion piece removes to reach the accurate effect of punching press angle, prevent the problem that fashioned panel warp appears, when compensating, rising hydraulic stem will drive the expansion piece and remove, the expansion piece will drive the compensation piece, the compensation piece will outwards expand, thereby expand and thereby provide the support for follow-up shaping to the panel.
The cooling assembly comprises a cooling pump body and a communicating pipe, a cooling pipeline is arranged in a stamping lower die, a temperature sensing resistor is arranged in the cooling pipeline and connected with the cooling pump body through a wire, a blocking cover is arranged on the temperature sensing resistor, the blocking cover is rotationally connected with the cooling pipeline, a temperature guide rod is arranged in the blocking cover, a guide Wen Gan is in sliding contact with the temperature sensing resistor, a plurality of forward flow fan blades are arranged on the blocking cover, each forward flow fan blade is rotationally connected with the blocking cover respectively, after stamping is completed, the stamped sheet metal is required to be cooled, the sheet metal is prevented from being deformed under the condition of no pressure clamping during natural cooling, the sheet metal is also enabled to be rapidly shaped, during cooling, the temperature sensing resistor is connected, the temperature sensing resistor can sense the temperature on the stamping lower die, so that the running speed of the cooling pump body is adjusted, the higher the temperature sensed by the temperature sensing resistor is, the higher the rotating speed of the cooling pump body is the faster, the cooling effect of the cooling liquid flowing through the communicating pipe is enhanced, and conversely the flow speed of the cooling liquid flowing through the communicating pipe is slowed down, the cooling effect is weakened, the use of the cooling liquid is fully reduced, and simultaneously the cooling operation of the cooling liquid is also adapted to cooling forming operation of the sheet metal.
Compared with the prior art, the invention has the following beneficial effects: 1. according to the invention, the metal plate is preheated in a metal plate preheating mode, and the metal plate is preheated before stamping, so that the toughness of the metal plate is improved, the metal plate is smoother during stamping, the tearing problem can be reduced, and meanwhile, the preheating component can be deformed according to a specific bending direction, so that the preheating effect is stably improved.
2. The heat compensation component can add heat to the deformation part, and can fully stabilize the shape of the stamping part.
3. The invention adopts the rebound-proof component, can carry out secondary stamping on the stamped metal plate, fully avoids the problem of rebound of the metal plate caused by temperature change in the stamping process, increases the forming effect of the stamping part and improves the stamping precision.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic three-dimensional structure of the present invention;
FIG. 2 is a schematic elevational view of the present invention;
FIG. 3 is a schematic view of the internal structure of the stamping upper die of the present invention;
FIG. 4 is a schematic view of the bottom end of the stamping upper die of the present invention;
FIG. 5 is a schematic diagram showing the structure of the cooperation relationship between the preheating roller and the adjusting groove;
FIG. 6 is a schematic top view of the stamping lower die of the present invention;
FIG. 7 is a schematic view showing the internal structure of the lower die for stamping of the present invention;
FIG. 8 is a schematic view of the internal structure of the cooling duct of the present invention;
FIG. 9 is a schematic diagram of the sensing chamber structure of the present invention;
in the figure: 1. stamping an upper die; 101. a support frame; 102. bending blocks; 103. a connecting seat; 104. a locking ring; 105. a fastening bolt; 106. moving the screw; 107. punching a hole; 108. a punching die seat; 109. a preheating tank; 110. an adjustment groove; 111. an offset hole; 112. a resisting spring; 113. a feedback slider; 114. a feedback chamber; 115. a feedback resistor; 2. stamping a lower die; 201. a sliding block; 202. an energizing ring; 203. an auxiliary resistor; 204. a lubrication roller; 205. an induction chamber; 206. sensing an air bag; 207. an inductive switch; 208. lifting the hydraulic rod; 209. a cooling pipe; 210. a temperature-sensitive resistor; 211. a barrier cover; 212. a temperature guide rod; 213. downstream fan blades; 3. connecting a guide rod; 4. punching press; 5. stamping a hydraulic rod; 6. drawing a die spring; 7. preheating the roller; 8. a compensation support; 801. a compensation block; 803. a compensation port; 804. an expansion block; 805. a compensation seat; 9. stamping a cutter seat; 10. compensating a hydraulic rod; 11. a propulsion block; 1101. a propulsion wheel; 12. a temperature regulating assembly; 1201. and a temperature control plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The stamping die comprises a stamping upper die 1 and a stamping lower die 2, wherein a connecting guide rod 3 is arranged on the stamping lower die 2, the connecting guide rod 3 penetrates through the stamping upper die 1 and is in sliding connection with the stamping upper die 1, the stamping lower die 2 is arranged on a stamping bed 4, the stamping lower die 2 is in rotary connection with the stamping bed 4, a stamping hydraulic rod 5 is arranged on the stamping bed 4, the output end of the stamping hydraulic rod 5 is connected with the stamping upper die 1, a die drawing spring 6 is arranged on the connecting guide rod 3, two ends of the die drawing spring 6 respectively prop against the stamping upper die 1 and the stamping lower die 2, a plurality of preheating rollers 7 are arranged at the bottom end of the stamping upper die 1, the preheating rollers 7 are in rotary connection with the stamping upper die 1, a compensation support 8 is arranged on the stamping lower die 2 and is in sliding connection with the stamping lower die 2, a stamping tool seat 9 is arranged at the bottom end of the stamping upper die 1, a stamping tool is arranged on the stamping tool seat 9, the two sides of the stamping upper die 1 are respectively provided with a compensation hydraulic rod 10, the output end of the compensation hydraulic rod 10 is in sliding connection with the stamping upper die 1, the output end of the compensation hydraulic rod 10 is provided with a pushing block 11, the stamping lower die 2 is provided with a cooling component 13, when stamping is carried out, firstly, a plate is placed on the stamping bed 4, a conveying mechanism on the stamping bed 4 can convey the plate to the stamping lower die 2, the stamping lower die 2 can receive plate raw materials, then the stamping upper die 1 moves towards the direction of the plate under the driving of the stamping hydraulic rod 5 on the stamping bed 4, the metal plate is stamped by utilizing the power of the stamping hydraulic rod 5, meanwhile, the stamping angle can be compensated by the compensation support 8, the stamping shape can be adjusted at the same time, and the preheating roller 7 can preheat the metal plate, so that the toughness of the metal plate is enhanced, the problem of breakage caused by insufficient toughness of the metal plate in the stamping process is avoided, and the compensation hydraulic rod 10 on the upper stamping die 1 can perform secondary stamping on the metal plate to prevent rebound.
The stamping upper die 1 comprises a support frame 101 and bending blocks 102, the bending blocks 102 are respectively arranged at two ends of the support frame 101, each bending block 102 is respectively in sliding connection with the support frame 101, a connecting seat 103 is arranged on the support frame 101, a locking ring 104 is arranged on the connecting seat 103, a fastening bolt 105 is arranged on the locking ring 104, the fastening bolt 105 is in threaded engagement with the locking ring 104, the connecting seat 103 is connected with a stamping hydraulic rod 5, a movable screw 106 is arranged on the support frame 101, the movable screw 106 is in rotary connection with the support frame 101, the bending blocks 102 are in threaded engagement with the movable screw 106, the preheating rollers 7 are respectively arranged on the bending blocks 102 and the support frame 101, the positions of the bending blocks 102 are required to be adjusted before stamping, the movable screw 106 is driven to rotate in a motor and manual driving mode, the bending blocks 102 are driven to move after the movable screw 106 is rotated, the stamping angle and the stamping shape can be adjusted, and the stamping hydraulic rod 5 is fed onto the connecting seat 103 when stamping is performed, and then the fastening bolt 105 is screwed tightly to be connected with the output end of the stamping hydraulic rod 5, so that power is transmitted.
The support frame 101 is provided with a punching groove 107, the punching groove 107 is internally provided with a punching die seat 108, the support frame 101 is provided with a preheating groove 109, two ends in the preheating groove 109 are respectively provided with an adjusting groove 110, the adjusting groove 110 is in sliding connection with the preheating groove 109, the adjusting groove 110 is provided with an offset hole 111, the offset hole 111 is internally provided with a resisting spring 112, two ends of the resisting spring 112 respectively resist the rotating shaft of the preheating roller 7 and the offset hole 111, the preheating groove 109 is connected with the bending block 102 through a guide rod, the punching die not only can support non-punching operation, but also can support punching operation, the bending block 102 needs to be adjusted before punching, in order to avoid the heat transfer of the preheating roller 7 caused by the bending block 102, the bending block 102 needs to be adjusted, when the bending block 102 moves, the adjusting grooves 110 are mutually closed and mutually far away, when the adjusting grooves 110 are mutually closed, the roller 7 is mutually offset, and when the adjusting grooves 110 are mutually far away, the preheating roller 7 is under the effect of resisting the resisting spring 112, the heat transfer can be smoothly carried out.
The temperature adjusting assembly 12 is arranged on each bending block 102, each temperature adjusting assembly 12 comprises a temperature control plate 1201, each bending block 102 is respectively provided with a temperature control plate 1201, each temperature control plate 1201 is arranged on one side of each bending block 102, each temperature control plate 1201 is in sliding connection with the corresponding stamping lower die 2 through a wire, each bending block 102 is provided with a feedback sliding block 113, each feedback sliding block 113 is in sliding connection with each bending block 102, each bending block 102 is internally provided with a feedback cavity 114, each feedback cavity 114 is internally provided with a feedback resistor 115, each feedback sliding block 113 is in sliding contact with each feedback resistor 115, each feedback sliding block 113 is electrically connected with each feedback resistor 115 through a wire and each temperature control plate 1201, when stamping is carried out, the thickness of a plate at a deformation position changes, if the plate is not subjected to compensation treatment, the plate is deformed slightly, the plate is broken seriously, the yield of a product is greatly reduced, the thickness of the plate can be detected, the sliding blocks 201 are tightly adhered to the plate and move along with the plate, the plate is enabled to move on the feedback sliding blocks 115, the feedback sliding blocks 113 are changed, the effective resistors on the feedback sliding blocks 115, the effective resistors are arranged on the feedback sliding blocks 115, the effective resistors are electrically, the effective resistors are connected with the feedback sliding blocks through wires, the wire, the temperature control plates are smaller, the temperature control plates are larger, the temperature control plates are more than the temperature control plates, and the plate is more difficult to compensate the temperature control plate is more, and the temperature is more difficult, and the temperature control plate is subjected to temperature control.
The lower stamping die 2 is provided with a sliding block 201, the sliding block 201 is in sliding connection with the lower stamping die 2, the sliding block 201 is provided with an energizing ring 202, the lower stamping die 2 is internally provided with an auxiliary resistor 203, the energizing ring 202 is sleeved on the auxiliary resistor 203 and is in sliding contact with the auxiliary resistor 203, the lower stamping die 2 is provided with a temperature adjusting component 12, the temperature adjusting component 12 is identical to the temperature adjusting component 12 on the bending block 102 in structure, the energizing ring 202 and the auxiliary resistor 203 are connected with a temperature control plate 1201 through wires, one end of the sliding block 201, far away from the lower stamping die 2, is provided with a lubrication roller 204, the lubrication roller 204 is in rotating connection with the lower stamping die 2, in the stamping process, the thickness of a plate is detected, one side is detected by a feedback slider 113, the other side is detected by the sliding block 201, the sliding block 201 is tightly attached to the plate and moves along with the plate, the energizing ring 202 moves on the auxiliary resistor 203, the effective resistor 203 changes, the effective resistor is smaller, the heat on the temperature control plate is larger, the effective resistance is smaller, the thicker the heat on the temperature control plate is larger, the heat on the temperature control plate is the temperature is larger, the heat on the temperature control plate is larger, the heat on the temperature control plate is compared with the temperature control plate is thicker, and the heat is compared with the heat, and the temperature is compensated, and the temperature is subjected to the temperature compensation to the temperature change, and the temperature is compared.
The lower stamping die 2 is provided with a plurality of sensing chambers 205, a stage air bag group is arranged in the sensing chambers 205, the stage air bag group comprises a plurality of sensing air bags 206, each sensing chamber 205 is respectively provided with a sensing air bag 206, each sensing chamber 205 is respectively provided with a sensing switch 207, each sensing air bag 206 is respectively propped against the sensing switch 207, the sensing switch 207 is an elastic switch with an elastic reset function, the sensing switch 207 is connected with the stamping hydraulic rod 5 and the compensating hydraulic rod 10 through wires, in the stamping process, the sensing chambers 205 sense the increase and loss of heat of the plate during bending, when the heat is increased greatly, the sensing air bags 206 in the sensing chambers are increased and prop against the sensing switch 207, the closer to the bending position is, the more the temperature is increased, and when the switch is closed more, the stamping speed of the stamping hydraulic rod 5 and the compensating hydraulic rod 10 is slowed down, and the stamping force and the stamping speed are changed along with the closing quantity of the sensing switch 207.
The cylinder body part of the compensation hydraulic rod 10 is arranged on the supporting frame 101, the output end of the compensation hydraulic rod 10 passes through the bending block 102 and is in sliding connection with the bending block 102, a punching groove is formed in the bending block 102, the pushing block 11 is in rotary connection with the output end of the compensation hydraulic rod 10 through a rotary shaft, a pushing wheel 1101 is arranged on one side, far away from the compensation hydraulic rod 10, of the pushing block 11, the pushing wheel 1101 is in rotary connection with the pushing block 11, when compensation pushing is carried out, the pushing block 11 on the bending block 102 is driven to move by the compensation hydraulic rod 10, the pushing block 11 moves onto a plate, secondary pressurization can be carried out on a bending part of the plate to prevent the plate from springback, meanwhile, the pushing wheel 1101 can reduce sliding contact between the pushing block 11 and the metal plate in the pressurization process, and damage to the metal plate is avoided.
The two sides of the compensation support 8 are respectively provided with compensation blocks 801, each compensation block 801 is in sliding connection with the compensation support 8, the moving direction of each compensation block 801 is consistent with the moving direction of the bending block 102, the bottom end of the compensation support 8 is provided with a compensation opening 803, an expansion block 804 is arranged in the compensation opening 803, the expansion block 804 is in sliding connection with the compensation block 801, the bottom end of the compensation block 801 is provided with a compensation seat 805, a lifting hydraulic rod 208 is arranged in the stamping lower die 2, the lifting hydraulic rod 208 is fixedly connected with the compensation seat 805, when stamping is performed, the plate is likely to be deformed in a rolling way after being cooled, and the like, at the moment, the compensation block 801 is required to move to expand, so that the effect of accurate stamping angle is achieved, the problem of deformation of the formed plate is prevented, and when the compensation is performed, the lifting hydraulic rod 208 drives the expansion block 804 to move, the compensation block 801 is outwards expanded, and the plate is expanded to provide support for subsequent shaping.
The cooling assembly 13 comprises a cooling pump body 1301 and a communicating pipe 1302, a cooling pipeline 209 is arranged in a stamping lower die 2, a temperature sensing resistor 210 is arranged in the cooling pipeline 209, the temperature sensing resistor 210 is connected with the cooling pump body 1301 through a wire, a blocking cover 211 is arranged on the temperature sensing resistor 210, the blocking cover 211 is rotationally connected with the cooling pipeline 209, a temperature guide rod 212 is arranged in the blocking cover 211, a guide Wen Gan is in sliding contact with the temperature sensing resistor 210, a plurality of forward flow fan blades 213 are arranged on the blocking cover 211, each forward flow fan blade 213 is rotationally connected with the blocking cover 211 respectively, after stamping is completed, the stamped metal plate is required to be cooled, the metal plate is prevented from being deformed under the condition of no pressure clamping during natural cooling, the metal plate is also rapidly shaped, during cooling, the temperature sensing resistor 210 is connected, the temperature sensing resistor 210 can sense the temperature on the stamping lower die 2, so that the running speed of the cooling pump body is adjusted, the higher the temperature sensed by the temperature sensing resistor 210 is, the higher the rotating speed of the cooling pump body is, the flow rate of cooling liquid flowing through the cooling pump body is fast, the cooling effect is enhanced, the cooling effect is slowed down, the flowing through the cooling liquid is reduced, the cooling effect is fully cooled by the communicating pipe, and the cooling effect is well cooled down, and the cooling plate is cooled down by the cooling effect is well.
The working principle of the invention is as follows: when punching, firstly, the sheet material is placed on the punching press bed 4, the conveying mechanism on the punching press bed 4 will send the sheet material to the punching press lower mould 2, the preheating roller 7 on the punching press lower mould 2 will preheat the sheet metal, the punching press lower mould 2 receives sheet material, then the punching press upper mould 1 is driven by the punching press hydraulic rod 5 on the punching press bed 4 to regulate and control the advancing process of the punching press hydraulic rod 5, the sheet metal is punched by utilizing the power of the punching press hydraulic rod 5, meanwhile, the sliding block 201 and the feedback sliding block 113 cooperate to measure the thickness of the sheet metal in the punching process, then the temperature compensation is carried out according to the change of the thickness of the sheet metal, the toughness of the deformation part after compensation is promoted, meanwhile, under the action of the rising hydraulic rod 208, the compensation block 801 will want to be additionally expanded to compensate the punching angle, and simultaneously the punching shape can be regulated, and the compensation hydraulic rod 10 on the punching press upper mould 1 will carry out secondary punching on the sheet metal to prevent the rebound problem. .
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. Dynamics adjustment stamping die based on temperature, its characterized in that: the stamping die comprises a stamping upper die (1) and a stamping lower die (2), a connecting guide rod (3) is arranged on the stamping lower die (2), the connecting guide rod (3) penetrates through the stamping upper die (1) and is in sliding connection with the stamping upper die (1), the stamping lower die (2) is arranged on a stamping machine (4), the stamping lower die (2) is in rotary connection with the stamping machine (4), a stamping hydraulic rod (5) is arranged on the stamping machine (4), the output end of the stamping hydraulic rod (5) is connected with the stamping upper die (1), a die drawing spring (6) is arranged on the connecting guide rod (3), two ends of the die drawing spring (6) respectively prop against the stamping upper die (1) and the stamping lower die (2), a plurality of preheating rollers (7) are arranged at the bottom end of the stamping upper die (1), a compensation support (8) is arranged on the stamping lower die (2), a compensation hydraulic rod (9) is arranged on the stamping lower die (2), a compensation cutter (9) is arranged on the punching cutter (1), the output end of the compensation hydraulic rod (10) is in sliding connection with the stamping upper die (1), a pushing block (11) is arranged at the output end of the compensation hydraulic rod (10), and a cooling assembly (13) is arranged on the stamping lower die (2).
2. The temperature-based force adjustment stamping die of claim 1, wherein: the stamping upper die (1) comprises a supporting frame (101) and bending blocks (102), the bending blocks (102) are respectively arranged at two ends of the supporting frame (101), each bending block (102) is respectively connected with the supporting frame (101) in a sliding mode, a connecting seat (103) is arranged on the supporting frame (101), a locking ring (104) is arranged on the connecting seat (103), a fastening bolt (105) is arranged on the locking ring (104), the fastening bolt (105) is meshed with the locking ring (104) through threads, the connecting seat (103) is connected with a stamping hydraulic rod (5), a movable screw (106) is arranged on the supporting frame (101), the movable screw (106) is in rotary connection with the supporting frame (101), the bending blocks (102) are meshed with the movable screw (106) through threads, and the preheating roller (7) is respectively arranged on the bending blocks (102) and the supporting frame (101).
3. The temperature-based force adjustment stamping die of claim 2, wherein: be provided with on support frame (101) is last to be provided with punching groove (107), be provided with cut-out press seat (108) in punching groove (107), be provided with preheating groove (109) on support frame (101), both ends are provided with adjustment groove (110) in preheating groove (109) respectively, adjustment groove (110) and preheating groove (109) sliding connection, be provided with offset hole (111) on adjustment groove (110), be provided with in offset hole (111) and keep out spring (112), keep out spring (112) both ends and support respectively and preheat gyro wheel (7) rotation axis and offset hole (111), preheat groove (109) and bend piece (102) and be connected through the guide arm.
4. A temperature-based force adjustment stamping die as defined in claim 3, wherein: the temperature control device is characterized in that a temperature control assembly (12) is arranged on each bending block (102), each temperature control assembly (12) comprises a temperature control plate (1201), each temperature control plate (1201) is arranged on each bending block (102), each temperature control plate (1201) is arranged on one side of each bending block (102) close to each other, each temperature control plate (1201) is in sliding connection with a stamping lower die (2) through a wire, each bending block (102) is provided with a feedback sliding block (113), each feedback sliding block (113) is in sliding connection with each bending block (102), a feedback cavity (114) is arranged in each bending block (102), a feedback resistor (115) is arranged in each feedback cavity (114), each feedback sliding block (113) is in sliding contact with each feedback resistor (115), and each feedback sliding block (113) is electrically connected with each temperature control plate (1201) through a wire.
5. The temperature-based force adjustment stamping die of claim 4, wherein: the novel hot stamping die is characterized in that a sliding block (201) is arranged on the stamping lower die (2), the sliding block (201) is in sliding connection with the stamping lower die (2), an energizing ring (202) is arranged on the sliding block (201), an auxiliary resistor (203) is arranged in the stamping lower die (2), the energizing ring (202) is sleeved on the auxiliary resistor (203) and is in sliding contact with the auxiliary resistor (203), a temperature adjusting component (12) is arranged on the stamping lower die (2), the temperature adjusting component (12) is identical to the temperature adjusting component (12) on the bending block (102) in structure, the energizing ring (202) and the auxiliary resistor (203) are connected with a temperature control plate (1201) through wires, one end of the sliding block (201) away from the stamping lower die (2) is provided with a lubricating roller (204), and the lubricating roller (204) is in rotary connection with the stamping lower die (2).
6. The temperature-based force adjustment stamping die of claim 5, wherein: be provided with a plurality of response chambeies (205) on punching press lower mould (2), be provided with stage gasbag group in response chambeies (205), including a plurality of response gasbag (206) in the stage gasbag group, every be provided with response gasbag (206) in response chambeies (205) respectively, be provided with inductive switch (207) in every response chambeies (205) respectively, every response gasbag (206) support inductive switch (207) respectively, inductive switch (207) are the elasticity switch that has elasticity reset function, inductive switch (207) are connected with punching press hydraulic stem (5), compensation hydraulic stem (10) through the wire.
7. The temperature-based force adjustment stamping die of claim 2, wherein: the hydraulic compensation device is characterized in that the cylinder body of the hydraulic compensation rod (10) is partially arranged on the supporting frame (101), the output end of the hydraulic compensation rod (10) penetrates through the bending block (102) and is in sliding connection with the bending block (102), a punching groove is formed in the bending block (102), the pushing block (11) is in rotary connection with the output end of the hydraulic compensation rod (10) through a rotary shaft, a pushing wheel (1101) is arranged on one side, far away from the hydraulic compensation rod (10), of the pushing block (11), and the pushing wheel (1101) is in rotary connection with the pushing block (11).
8. The temperature-based force adjustment stamping die of claim 1, wherein: compensation support (8) both sides are provided with compensation piece (801) respectively, every compensation piece (801) and compensation support (8) sliding connection, every the direction of movement of compensation piece (801) is unanimous with the direction of movement of bending piece (102), compensation support (8) bottom is provided with compensation mouth (803), be provided with expansion piece (804) in compensation mouth (803), expansion piece (804) and compensation piece (801) sliding connection, compensation piece (801) bottom is provided with compensation seat (805), be provided with in punching press lower mould (2) and rise hydraulic stem (208), rise hydraulic stem (208) and compensation seat (805) fixed connection.
9. The temperature-based force adjustment stamping die of claim 8, wherein: the cooling assembly comprises a cooling pump body and a communicating pipe, a cooling pipeline (209) is arranged in a stamping lower die (2), a temperature sensing resistor (210) is arranged in the cooling pipeline (209), the temperature sensing resistor (210) is connected with the cooling pump body through a wire, a blocking cover (211) is arranged on the temperature sensing resistor (210), the blocking cover (211) is rotatably connected with the cooling pipeline (209), a temperature guide rod (212) is arranged in the blocking cover (211), the temperature guide rod (212) is in sliding contact with the temperature sensing resistor (210), a plurality of forward flow fan blades (213) are arranged on the blocking cover (211), and each forward flow fan blade (213) is respectively rotatably connected with the blocking cover (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310408268.8A CN116351917A (en) | 2023-04-17 | 2023-04-17 | Dynamics adjustment stamping die based on temperature |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310408268.8A CN116351917A (en) | 2023-04-17 | 2023-04-17 | Dynamics adjustment stamping die based on temperature |
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| CN116351917A true CN116351917A (en) | 2023-06-30 |
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| CN202310408268.8A Pending CN116351917A (en) | 2023-04-17 | 2023-04-17 | Dynamics adjustment stamping die based on temperature |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116765233A (en) * | 2023-08-16 | 2023-09-19 | 昆明市明利丰通信铁塔制造有限公司 | Iron tower installation position plate punching device with automatic positioning function |
| CN118181106A (en) * | 2024-05-17 | 2024-06-14 | 江苏航运职业技术学院 | Metal workpiece processing equipment with temperature control function and processing method thereof |
-
2023
- 2023-04-17 CN CN202310408268.8A patent/CN116351917A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116765233A (en) * | 2023-08-16 | 2023-09-19 | 昆明市明利丰通信铁塔制造有限公司 | Iron tower installation position plate punching device with automatic positioning function |
| CN116765233B (en) * | 2023-08-16 | 2023-11-24 | 昆明市明利丰通信铁塔制造有限公司 | Iron tower installation position plate punching device with automatic positioning function |
| CN118181106A (en) * | 2024-05-17 | 2024-06-14 | 江苏航运职业技术学院 | Metal workpiece processing equipment with temperature control function and processing method thereof |
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