CN113714356A - Rapid heating device and method for punch-formed sheet - Google Patents
Rapid heating device and method for punch-formed sheet Download PDFInfo
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- CN113714356A CN113714356A CN202111012244.8A CN202111012244A CN113714356A CN 113714356 A CN113714356 A CN 113714356A CN 202111012244 A CN202111012244 A CN 202111012244A CN 113714356 A CN113714356 A CN 113714356A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 127
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000005855 radiation Effects 0.000 claims abstract description 15
- 238000004080 punching Methods 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims description 20
- 230000007246 mechanism Effects 0.000 claims description 17
- 239000000523 sample Substances 0.000 claims description 10
- 210000000056 organ Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 18
- 230000008569 process Effects 0.000 description 7
- 230000007547 defect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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Classifications
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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
- B21D13/00—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form
- B21D13/02—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form by pressing
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- 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
- B21D37/16—Heating or cooling
-
- 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
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/04—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of sheet metal
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention relates to the technical field of sheet stamping and discloses a rapid heating device and a rapid heating method for a stamping forming sheet, wherein the rapid heating device comprises an upper die and a lower die, wherein forming plates are arranged at the bottom of the upper die and the top of the lower die, and a flat sheet is placed above the forming plates at the top of the lower die; a heating plate is movably arranged between the upper die and the lower die and is movably arranged above the flat plate. Make the hot plate be located 1 ~ 2cm department directly over the flat board piece after, the hot plate passes through infrared radiation and can heat the flat board piece, can not be to last mould and bed die production influence in, also need not remove the flat board piece after the heating, has avoided removing the temperature loss of flat board piece in-process, and then has guaranteed the accuracy of flat board piece temperature when the punching press, has improved punching press efficiency greatly. The invention has the advantages of novel design, good heating effect and accurate control of the temperature of the plate.
Description
Technical Field
The invention relates to the technical field of sheet stamping, in particular to a rapid heating device and a rapid heating method for a stamping forming sheet.
Background
At present, a corrugated plate heat transfer element of a plate heat exchanger is formed by cold stamping through an oil press mostly, metal materials with good ductility, such as thin plates made of austenitic stainless steel, titanium and nickel-based alloy, have good cold stamping forming performance, cracks are not easy to generate in cold stamping forming, the forming thinning amount meets the standard requirement, but hard and brittle metal materials have low ductility, cracks are easy to generate in the cold stamping forming process, and the formed plate has warpage and unevenness to influence plate bundle stacking and assembly;
if the plate is preheated by heating the die, the rigidity of the die can be reduced due to the increase of the temperature of the die, so that the die is easy to deform and scrap after multiple times of stamping, and the contact area between the die and the plate before stamping is limited, so that the plate is unevenly heated; if the plate is heated externally and then moved to the die after heating, temperature loss of the plate can occur in the moving process, whether the plate reaches the designed stamping temperature can not be accurately controlled, and inconvenience and danger are brought to operators in the moving process because the plate temperature is over-high and is generally controlled between 150 ℃ and 300 ℃;
the Chinese patent publication number is: the invention patent of CN106238587B provides a sheet heating system for hot stamping experiment, and belongs to the technical field of hot stamping. The invention relates to a plate heating system for a hot stamping experiment, which consists of a power supply, a cooling water system, a nitrogen supply device and a heating counter. The plate heating system can realize the control of the heating temperature and the heating speed of the plate through a built-in closed-loop control program. The invention adopts the flat plate type inductor to heat the plate material so as to improve the heating efficiency, is provided with the transmission device so as to eliminate the phenomenon of uneven heating of the plate material caused by the gap between the copper pipes of the flat plate type inductor, and is provided with the special material pushing device so as to push the heated high-temperature plate material out of the heating box, thereby facilitating the taking of the plate material. The heating system can meet the performance requirement of hot stamping on the heating system, is convenient to use, and has wide application prospect.
In the above patent, although it is convenient to control the heating speed and the heating temperature, and it is also convenient to take out the heated plate, in practical application, we find that it still has certain disadvantages, such as:
the heating device and the stamping device are poor in matching, the heated plate material moves onto the stamping device, temperature loss is generated inevitably in the movement, the stamped plate material cannot be accurately kept at the previously heated temperature, and the stamping effect is influenced;
based on this, we propose a rapid heating device and method for punch-formed sheet, hopefully solve the disadvantages in the prior art.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a rapid heating device and a rapid heating method for a punch-formed plate, which have the advantages of good heating effect and capability of accurately controlling the temperature of the plate.
(II) technical scheme
In order to achieve the purposes of good heating effect and accurate control of the temperature of the plate, the invention provides the following technical scheme: a rapid heating device for a punch forming plate comprises an upper die and a lower die, wherein forming plates are arranged at the bottom of the upper die and the top of the lower die, and a flat plate is arranged above the forming plates at the top of the lower die;
the stamping mechanism is arranged at the top of the upper die and drives the upper die to move up and down so as to punch and form the flat plate;
a heating plate is movably arranged between the upper die and the lower die and is movably arranged above the flat plate;
still include the switch board, set up the control mechanism in the switch board inside, drive the hot plate and control the translation between last mould and bed die.
As a preferred technical scheme of the invention, the stamping mechanism comprises a pressing plate, an expansion link and a stamping device, the stamping device is connected with the pressing plate through the expansion link, and the upper die is fixedly arranged at the bottom of the pressing plate.
As a preferred technical scheme of the invention, the left end and the right end of the stamping device are both fixedly provided with a frame, and the pressing plate is arranged between the two frames in a sliding manner;
two still fixedly connected with base between the frame, the top fixed mounting of base has the mount pad, bed die fixed mounting is at the top of mount pad.
As a preferred technical scheme of the invention, the heating plate is an infrared radiation plate, and a plurality of temperature measuring probes are fixedly arranged on the infrared radiation plate.
As a preferred technical scheme of the invention, the outer wall of the rack is also fixedly provided with a controller, the controller is integrally provided with a display screen and a buzzer, and the output end of the temperature measuring probe is electrically connected with the input end of the controller.
As a preferred technical scheme of the present invention, the control mechanism includes a bottom plate, a first electric cylinder, a lifting plate, a positioning seat, a second electric cylinder and a sliding plate, the bottom plate is fixedly mounted on an inner bottom wall of the control cabinet, the first electric cylinder is fixedly mounted on a top of the bottom plate, the lifting plate is fixedly mounted on a top of an output shaft of the first electric cylinder, the positioning seat is fixedly mounted on a left end of the top of the lifting plate, the second electric cylinder is fixedly mounted on an outer wall of the positioning seat, the sliding plate is fixedly mounted on a top of an output shaft of the second electric cylinder, and a right end of the sliding plate is fixedly connected to the heating plate.
As a preferable technical scheme of the invention, a gap is reserved between the bottom of the second electric cylinder and the top of the lifting plate, the sliding plate is movably arranged in the gap, and the top of the lifting plate is also fixedly provided with a slideway matched with the sliding plate.
As a preferable technical scheme of the invention, a plurality of guide rods are uniformly inserted into the lifting plate, and are fixedly arranged at the top of the bottom plate.
A rapid heating method for a punch forming plate comprises the following steps:
s1: placing the flat plate piece on a forming plate at the top of a lower die;
s2: the height of the lifting plate is adjusted through the first electric cylinder, and then the heights of the second electric cylinder, the sliding plate and the heating plate at the top of the lifting plate are adjusted, so that the horizontal position of the heating plate is 1-2 cm above the horizontal position of the flat plate;
s3: the sliding plate and the heating plate extend out through the second electric cylinder, so that the heating plate is positioned right above the flat plate;
s4: the heating plate heats the flat plate through infrared radiation;
s5: enabling the sliding plate and the heating plate to retract through the second electric cylinder, and enabling the vertical position of the heating plate to be staggered with the vertical position of the flat plate;
s6: and (3) descending the pressing plate and the upper die through a punching device, and punching and forming the heated flat plate to obtain the corrugated plate.
In a preferred embodiment of the present invention, the heating temperature of the heating plate in step S4 is 150 to 300 ℃.
(III) advantageous effects
Compared with the prior art, the invention provides a rapid heating device for punch-formed plates, which has the following beneficial effects:
1. this stamping forming slab quick heating device, the dull and stereotyped piece is placed on the profiled sheeting at bed die top, the height of lifter plate can be adjusted through first electronic jar, and then the electronic jar of adjustment lifter plate top second, the height of slide and hot plate, make the horizontal position of hot plate be located the 1 ~ 2cm department of dull and stereotyped piece horizontal position top, can make slide and hot plate stretch out through the electronic jar of second, make the hot plate be located the flat board piece directly over, the hot plate is located 1 ~ 2cm department directly over the flat board piece after, the hot plate can heat the dull and stereotyped piece through infrared radiation, in the time of can not producing the influence to last mould and bed die, also need not remove the flat board piece after the heating, the temperature loss of removal dull and stereotyped piece in-process has been avoided, and then the accuracy of dull and stereotyped piece temperature when having guaranteed the punching press.
2. This stamping forming slab rapid heating device, the heating temperature of hot plate is between 150 ~ 300 ℃, does not change material physical properties itself, and crystal structure improves the ductility stamping forming of being convenient for of slab material, guarantees again simultaneously that material yield strength and tensile strength reduce the back and still satisfy the punching press demand along with the temperature rise.
3. This stamping forming slab rapid heating device, temperature probe can accurate detection hot plate's heating temperature, and after the hot plate heated to the settlement temperature, bee calling organ sounded, the hot plate stop heating to also make the hot plate remove to the working range of supreme mould and bed die gradually through the electronic jar of second outside, overall structure degree of automation is higher, provides punching press efficiency greatly, has also guaranteed heating temperature's accuracy simultaneously.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a schematic perspective view of the upper and lower mold portions of the present invention;
FIG. 3 is a perspective view of a portion of the control cabinet of the present invention;
FIG. 4 is a perspective view of a portion of the control mechanism of the present invention;
fig. 5-8 are schematic views of the hot stamping and forming steps of the flat sheet according to the present invention.
In the figure: 1. an upper die; 2. a lower die; 3. forming a plate; 4. a flat sheet; 5. heating plates; 6. a mounting seat; 7. a base; 8. a frame; 9. a stamping device; 10. a telescopic rod; 11. pressing a plate; 12. a control cabinet; 13. a base plate; 14. a first electric cylinder; 15. a lifting plate; 16. a guide bar; 17. a second electric cylinder; 18. a slide plate; 19. a temperature measuring probe; 20. a controller; 21. a positioning seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The first embodiment is as follows:
referring to fig. 1-4, a rapid heating device for a press-formed plate comprises an upper mold 1 and a lower mold 2, wherein the bottom of the upper mold 1 and the top of the lower mold 2 are both provided with a forming plate 3, a flat plate 4 is placed above the forming plate 3 on the top of the lower mold 2, different forming plates 3 can be freely selected according to the shape to be manufactured, in order to manufacture the flat plate 4 into a corrugated plate, in this embodiment, a corrugated forming plate 3 is selected, and the two corrugated forming plates 3 are mutually buckled and extruded, so that the flat plate 4 can be pressed into a corrugated plate;
the stamping mechanism is arranged at the top of the upper die 1 and drives the upper die 1 to move up and down so as to stamp the flat plate 4, the stamping mechanism comprises a pressing plate 11, an expansion link 10 and a stamping device 9 in the embodiment, the stamping device 9 is connected with the pressing plate 11 through the expansion link 10, the upper die 1 is fixedly arranged at the bottom of the pressing plate 11, the stamping device 9 is a cold stamping oil press in the embodiment, the pressing plate 11 can descend through the expansion link 10 when the cold stamping oil press operates, and the pressing plate 11 can stamp the flat plate 4 through the upper die 1 when the pressing plate 11 descends;
the left end and the right end of the stamping device 9 are both fixedly provided with the machine frames 8, and the pressing plate 11 is arranged between the two machine frames 8 in a sliding manner, so that the up-and-down movement of the pressing plate 11 can be more stable and smooth;
a base 7 is fixedly connected between the two racks 8, a mounting seat 6 is fixedly mounted at the top of the base 7, the lower die 2 is fixedly mounted at the top of the mounting seat 6, and the position of the lower die 2 is fixed through the base 7 and the mounting seat 6, so that the lower die 2 can bear larger stamping force;
a heating plate 5 is movably arranged between the upper die 1 and the lower die 2, the heating plate 5 is movably arranged above the flat plate 4, in the embodiment, the heating plate 5 is an infrared radiation plate, the infrared radiation plate is subjected to infrared radiation heating towards the lower part, only the flat plate 4 is heated, and the upper die 1 or the lower die 2 cannot be influenced, in the traditional technology, the plate is preheated in a mode of heating the die, the rigidity of the die can be reduced due to the increase of the temperature of the die, the die is easy to deform after multiple times of stamping and scrap, the contact area of the die and the plate before stamping is limited, and the plate can be heated unevenly, the technical scheme provided by the embodiment completely avoids the defects, and the service life of the die is greatly prolonged;
the infrared radiation plate is fixedly provided with a plurality of temperature measuring probes 19, the outer wall of the rack 8 is also fixedly provided with a controller 20, the controller 20 is integrally provided with a display screen and a buzzer, the output end of the temperature measuring probes 19 is electrically connected with the input end of the controller 20, the temperature measuring probes 19 can accurately detect the heating temperature of the heating plate 5, the buzzer sounds when the heating plate 5 is heated to a set temperature, the heating plate 5 stops heating, the automation degree of the whole structure is higher, and the stamping efficiency is greatly improved;
the heating plate mould comprises an upper mould 1 and a lower mould 2, and is characterized by further comprising a control cabinet 12 and a control mechanism arranged inside the control cabinet 12, wherein the control mechanism drives the heating plate 5 to horizontally move between the upper mould 1 and the lower mould 2, in the embodiment, the control mechanism comprises a bottom plate 13, a first electric cylinder 14, a lifting plate 15, a positioning seat 21, a second electric cylinder 17 and a sliding plate 18, the bottom plate 13 is fixedly installed on the inner bottom wall of the control cabinet 12, the first electric cylinder 14 is fixedly installed at the top of the bottom plate 13, the lifting plate 15 is fixedly installed at the top of an output shaft of the first electric cylinder 14, the positioning seat 21 is fixedly installed at the left end of the top of the lifting plate 15, the second electric cylinder 17 is fixedly installed on the outer wall of the positioning seat 21, the sliding plate 18 is fixedly installed at the top of the output shaft of the second electric cylinder 17, and the right end of the sliding plate 18 is fixedly connected with the heating plate 5;
the flat plate 4 is placed on the forming plate 3 at the top of the lower die 2, the height of the lifting plate 15 can be adjusted through the first electric cylinder 14, the heights of the second electric cylinder 17, the sliding plate 18 and the heating plate 5 at the top of the lifting plate 15 are further adjusted, the horizontal position of the heating plate 5 is located 1-2 cm above the horizontal position of the flat plate 4, the sliding plate 18 and the heating plate 5 can extend out through the second electric cylinder 17, the heating plate 5 is located right above the flat plate 4, after the heating plate 5 is located 1-2 cm above the flat plate 4, the flat plate 4 can be heated through infrared radiation by the heating plate 5, the upper die 1 and the lower die 2 cannot be affected, meanwhile, the flat plate 4 does not need to be moved after heating, temperature loss in the process of moving the flat plate 4 is avoided, and accuracy of the temperature of the flat plate 4 during stamping is further guaranteed;
in the invention patent with the chinese patent publication No. CN106238587B provided in the background art, the heated sheet material is moved to the punching mechanism, and temperature loss is inevitably generated during the movement, so that the punched sheet material cannot be accurately kept at the previously heated temperature, and the punching effect is affected, meanwhile, as the sheet material temperature is too high and is generally controlled between 150 ℃ and 300 ℃, inconvenience and danger are also brought to the operator during the movement process, in the embodiment, the defect is completely avoided by the arrangement of the control mechanism, not only the heating of the flat sheet 4 is more convenient, but also the flat sheet 4 does not need to be moved after the heating;
a gap is reserved between the bottom of the second electric cylinder 17 and the top of the lifting plate 15, the sliding plate 18 is movably arranged in the gap, a slideway matched with the sliding plate 18 is fixedly arranged at the top of the lifting plate 15, the sliding plate 18 has sufficient movable space through the reservation of the gap, and the sliding plate 18 can move more stably and smoothly through the arrangement of the slideway;
the inside of lifter plate 15 is evenly pegged graft and is had a plurality of guide bar 16, and the equal fixed mounting of a plurality of guide bar 16 is at the top of bottom plate 13, and the grafting of guide bar 16 in lifter plate 15 can make more steady of reciprocating of lifter plate 15, can not produce the slope.
Example two:
referring to fig. 5 to 8, on the basis of the first embodiment, the present embodiment provides a method for rapidly heating a press-formed plate, including the following steps:
the method comprises the following steps: placing a flat plate 4 on a forming plate 3 at the top of a lower die 2;
step two: the height of the lifting plate 15 is adjusted through the first electric cylinder 14, and then the heights of the second electric cylinder 17, the sliding plate 18 and the heating plate 5 on the top of the lifting plate 15 are adjusted, so that the horizontal position of the heating plate 5 is 1-2 cm above the horizontal position of the flat plate 4;
step three: the sliding plate 18 and the heating plate 5 are extended out through the second electric cylinder 17, so that the heating plate 5 is positioned right above the flat plate 4, namely 1-2 cm above the flat plate 4;
step four: the heating plate 5 downwards generates infrared radiation to heat the flat plate 4, the heating temperature of the heating plate 5 is between 150 and 300 ℃, and the specific heating temperature is set according to the material property;
step five: after heating is finished, the sliding plate 18 and the heating plate 5 are retracted through the second electric cylinder 17, and the vertical position of the heating plate 5 is staggered with that of the flat plate 4;
step six: the pressing plate 11 and the upper die 1 are lowered through the punching device 9, and the heated flat plate 4 is punched to obtain the corrugated plate.
The working principle and the using process of the invention are as follows:
the flat plate 4 is placed on the forming plate 3 at the top of the lower die 2, the height of the lifting plate 15 can be adjusted through the first electric cylinder 14, the heights of the second electric cylinder 17, the sliding plate 18 and the heating plate 5 at the top of the lifting plate 15 are further adjusted, the horizontal position of the heating plate 5 is located 1-2 cm above the horizontal position of the flat plate 4, the sliding plate 18 and the heating plate 5 can extend out through the second electric cylinder 17, the heating plate 5 is located right above the flat plate 4, after the heating plate 5 is located 1-2 cm above the flat plate 4, the flat plate 4 can be heated through infrared radiation by the heating plate 5, the upper die 1 and the lower die 2 cannot be affected, meanwhile, the flat plate 4 does not need to be moved after heating, temperature loss in the process of moving the flat plate 4 is avoided, and accuracy of the temperature of the flat plate 4 during stamping is further guaranteed;
the heating temperature of the heating plate 5 is 150-300 ℃, the physical properties and the crystal structure of the material are not changed, the ductility of the plate material is improved, the plate material is convenient to punch and form, and the requirement of punching after the yield strength and the tensile strength of the material are reduced along with the temperature rise is still met;
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a stamping forming slab rapid heating device, includes mould (1) and bed die (2), its characterized in that: forming plates (3) are arranged at the bottom of the upper die (1) and the top of the lower die (2), and flat plates (4) are placed above the forming plates (3) at the top of the lower die (2);
the stamping mechanism is arranged at the top of the upper die (1) and drives the upper die (1) to move up and down so as to punch and form the flat plate (4);
a heating plate (5) is movably arranged between the upper die (1) and the lower die (2), and the heating plate (5) is movably arranged above the flat plate (4);
the heating device is characterized by further comprising a control cabinet (12) and a control mechanism arranged inside the control cabinet (12), wherein the control mechanism drives the heating plate (5) to translate left and right between the upper die (1) and the lower die (2).
2. The rapid heating device for the punch forming plate according to claim 1, wherein: the stamping mechanism comprises a pressing plate (11), an expansion rod (10) and a stamping device (9), wherein the stamping device (9) is connected with the pressing plate (11) through the expansion rod (10), and the upper die (1) is fixedly installed at the bottom of the pressing plate (11).
3. The rapid heating device for the punch forming plate according to claim 2, wherein: the left end and the right end of the stamping device (9) are fixedly provided with a rack (8), and the pressing plate (11) is arranged between the two racks (8) in a sliding manner;
two still fixedly connected with base (7) between frame (8), the top fixed mounting of base (7) has mount pad (6), bed die (2) fixed mounting is at the top of mount pad (6).
4. The rapid heating device for the punch forming plate according to claim 3, wherein: the heating plate (5) is an infrared radiation plate, and a plurality of temperature measuring probes (19) are fixedly mounted on the infrared radiation plate.
5. The rapid heating device for the punch forming plate according to claim 4, wherein: the outer wall of frame (8) still fixed mounting have controller (20), integrated display screen and the bee calling organ of being provided with on controller (20), the output of temperature probe (19) and the input electric connection of controller (20).
6. The rapid heating device for the punch forming plate according to claim 5, wherein: control mechanism includes bottom plate (13), first electronic jar (14), lifter plate (15), positioning seat (21), the electronic jar of second (17) and slide (18), the interior diapire fixed mounting of switch board (12) has bottom plate (13), the top fixed mounting of bottom plate (13) has first electronic jar (14), the output shaft top fixed mounting of first electronic jar (14) has lifter plate (15), the left end fixed mounting at the top of lifter plate (15) has positioning seat (21), the outer wall fixed mounting of positioning seat (21) has the electronic jar of second (17), the output shaft top fixed mounting of the electronic jar of second (17) has slide (18), the right-hand member of slide (18) links to each other with hot plate (5) are fixed.
7. The rapid heating device for the punch forming plate according to claim 6, wherein: a gap is reserved between the bottom of the second electric cylinder (17) and the top of the lifting plate (15), the sliding plate (18) is movably arranged in the gap, and the top of the lifting plate (15) is fixedly provided with a slideway matched with the sliding plate (18).
8. The rapid heating device for the punch forming plate according to claim 7, wherein: a plurality of guide rods (16) are uniformly inserted into the lifting plate (15), and the guide rods (16) are fixedly mounted at the top of the bottom plate (13).
9. A rapid heating method for a press-formed plate, which is used for the rapid heating device for the press-formed plate according to any one of claims 1 to 8, and is characterized in that: the method comprises the following steps:
s1: placing a flat plate (4) on a forming plate (3) at the top of a lower die (2);
s2: the height of the lifting plate (15) is adjusted through the first electric cylinder (14), and then the heights of the second electric cylinder (17), the sliding plate (18) and the heating plate (5) at the top of the lifting plate (15) are adjusted, so that the horizontal position of the heating plate (5) is located 1-2 cm above the horizontal position of the flat plate (4);
s3: the sliding plate (18) and the heating plate (5) are extended out through a second electric cylinder (17), and the heating plate (5) is positioned right above the flat plate (4);
s4: the heating plate (5) heats the flat plate (4) through infrared radiation;
s5: the sliding plate (18) and the heating plate (5) are retracted through a second electric cylinder (17), and the vertical position of the heating plate (5) is staggered with the vertical position of the flat plate (4);
s6: the pressing plate (11) and the upper die (1) are descended through the punching device (9), and the heated flat plate (4) is punched and formed to obtain the corrugated plate.
10. The rapid heating method for the press-formed plate according to claim 9, wherein: the heating temperature of the heating plate (5) in the step S4 is between 150 and 300 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111012244.8A CN113714356A (en) | 2021-08-31 | 2021-08-31 | Rapid heating device and method for punch-formed sheet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114713747A (en) * | 2022-04-14 | 2022-07-08 | 巢湖市宾雄医疗器械有限公司 | Bending device for medical suture needle production and bending method thereof |
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| CN114713747B (en) * | 2022-04-14 | 2024-06-11 | 巢湖市宾雄医疗器械有限公司 | Bending device for medical suture needle production and bending method thereof |
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