CN112475040B - Manufacturing mold for compensating device and manufacturing method thereof - Google Patents
Manufacturing mold for compensating device and manufacturing method thereof Download PDFInfo
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- CN112475040B CN112475040B CN202011259897.1A CN202011259897A CN112475040B CN 112475040 B CN112475040 B CN 112475040B CN 202011259897 A CN202011259897 A CN 202011259897A CN 112475040 B CN112475040 B CN 112475040B
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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
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
Abstract
The invention provides a manufacturing mold for a compensating device and a manufacturing method thereof, which relate to the technical field of manufacturing molds of steam air cooling equipment and comprise a first mold body and a second mold body; a first forming mechanism for forming the flat plate is arranged in the accommodating groove of the first die body, a second forming mechanism matched with the first forming mechanism is arranged on the second die body, and the flat plate in the accommodating groove is punched through the matching of the first forming mechanism and the second forming mechanism, so that the flat plate has a compensation section with a concave-convex structure; make to make compensation arrangement can convenient and fast, compensation arrangement through after the dull and stereotyped shaping can agree with the structure of air cooling tube bank, has satisfied the sealed and transport demand of air cooling tube bank, has alleviated the specific structure to the air cooling tube bank that exists among the prior art, and the compensator among the prior art can't satisfy the sealed and transport demand of air cooling tube bank, and then leads to the air cooling tube bank among the prior art still to have expansion or shrink process and take place the technical problem that drawing crack and fracture.
Description
Technical Field
The invention relates to the technical field of manufacturing dies of steam air cooling equipment, in particular to a manufacturing die for a compensating device and a manufacturing method thereof.
Background
The direct air cooling system (ACC) consists of a plurality of rows and a plurality of columns of air cooling units according to the unit capacity, each air cooling unit comprises an air cooling pipe bundle, and the heat released to the atmosphere by the air cooling pipe bundles is used for condensing the steam discharged by the steam turbine; the direct air cooling system is characterized in that the air cooling tube bundle can be a downstream tube bundle and a counter-current tube bundle, when the direct air cooling system operates, steam discharged by the steam turbine is distributed to the downstream tube bundle through the steam distribution pipe, the steam flows from the upper part to the lower part of the downstream tube bundle, most of the steam is condensed in the downstream tube bundle unit in the process, and condensed water is converged into the water collecting pipe; in addition, a small part of steam enters the counter-flow tube bundle from the bottom water collecting pipe and is condensed in the process of flowing from bottom to top, the condensed water flows back to the water collecting pipe under the action of gravity, and non-condensed gas is collected at the top of the counter-flow tube bundle unit and is discharged from the pumping hole; the process of steam condensation can occur in both concurrent tube bundle and countercurrent tube bundle; but steam can take place violent change at the in-process temperature of condensation, especially when starting to shut down winter, the change of temperature this moment is the biggest, when the temperature change in the air cooling tube bank is violent, the air cooling tube bank can take place inflation or shrink this moment, at the in-process that the air cooling tube bank takes place inflation or shrink, can make the welding seam of the interior hookup location of air cooling tube bank take place the drawing crack, the cracked condition of air cooling tube bank and steam distribution pipe can take place even, thereby can make steam leakage, influence the operating efficiency and the wasting of resources of overall system, and the problem that cost of maintenance is high.
In the prior art, the expansion or contraction mode of the air cooling tube bundle can be relieved by connecting a compensator with the air cooling tube bundle; however, due to the specific structure of the air cooling tube bundle, the compensator in the prior art cannot meet the sealing and conveying requirements of the air cooling tube bundle, and further the air cooling tube bundle in the prior art still has the conditions of tension fracture and fracture in the expansion or contraction process, so that steam leakage is caused, the operation efficiency of the whole system is affected, and the technical problems of resource waste and high cost are caused.
Disclosure of Invention
The invention aims to provide a manufacturing mold for a compensating device and a manufacturing method thereof, so as to relieve the technical problems that the air-cooling tube bundle in the prior art still has the technical problems of tensile fracture and fracture in the expansion or contraction process because the compensator in the prior art cannot meet the sealing and conveying requirements of the air-cooling tube bundle aiming at the specific structure of the air-cooling tube bundle in the prior art.
The invention provides a manufacturing mold for a compensation device, which comprises: a first mold body and a second mold body;
the flat plate forming die comprises a first die body and a second die body, wherein a containing groove used for placing a flat plate is formed in the first die body, a first forming mechanism used for forming the flat plate is arranged in the containing groove, a second forming mechanism matched with the first forming mechanism is arranged on the second die body, and the second die body is matched with the containing groove of the first die body so as to punch the flat plate in the containing groove through the matching of the first forming mechanism and the second forming mechanism, so that the flat plate has a compensation section with a concave-convex structure.
In a preferred embodiment of the present invention, the first forming mechanism comprises a plurality of cavities; the second molding mechanism includes a plurality of protrusions;
a plurality of the cavities are arranged at equal intervals along the first die body; the number of the bulges corresponds to the number of the cavities one by one, and the distance between any two bulges arranged along the second die body is the same as the distance between any two cavities.
In a preferred embodiment of the invention, the depth range of the cavity is 3mm-5mm, so that the compensation range of the convex deformation after the flat plate is formed is 3mm-5mm.
In a preferred embodiment of the present invention, the cross-sectional shape of the cavity is an arc, and the cross-sectional shape of the protrusion is an arc, so that the protrusion and the cavity are engaged with each other.
In a preferred embodiment of the present invention, the depth range of the first mold body accommodating groove is 9.5mm to 12.5mm;
the extension length range of the cavity is 200mm-220mm.
In a preferred embodiment of the present invention, along two ends of the cavity in the extending length direction, arc chamfers are disposed on inner walls of two sides of the first mold body receiving groove, and arc chamfers for fitting in the first mold body receiving groove are disposed on the second mold body corresponding to two side edges of the first mold body, so that an end portion of the flat plate after molding has an arc chamfer.
In a preferred embodiment of the present invention, the first molding mechanism includes a first cavity and a first protrusion; the second molding mechanism comprises a second protrusion and a second cavity;
the first cavity and the second bulge are adjacently arranged, the second bulge is arranged corresponding to the first cavity, the second cavity is arranged corresponding to the second bulge, so that when the second die body is matched with the first die body, the first cavity is matched and clamped with the second bulge, and the second cavity is matched and clamped with the first bulge.
In a preferred embodiment of the present invention, a plurality of first cavities are provided, and any two adjacent first cavities are provided with a first protrusion;
the number of the second cavities corresponds to that of the first bulges one by one, and the number of the second bulges corresponds to that of the first cavities one by one.
The invention provides a manufacturing method for a compensating device, which comprises the following steps:
horizontally placing the flat plate in the accommodating groove of the first mold body;
extruding the flat plate in the accommodating groove of the first die body by the second die body in a stamping mode;
the surface of the flat plate is subjected to punch forming through the matching between the first forming mechanism and the second forming mechanism, so that the surface of the flat plate is provided with a compensation section with a concave-convex structure.
In a preferred embodiment of the present invention, the method further comprises the following steps:
the arc chamfer angle of the edge of the first die body accommodating groove and the arc chamfer angle of the edge of the second die body are matched to extrude the flat plate;
sealing and connecting two formed flat plates with arc chamfers at the end parts to form a compensation device with a circulation cavity;
wherein, the compensation device is provided with a compensation section for deformation compensation.
The invention provides a manufacturing mold for a compensating device, which comprises: a first mold body and a second mold body; the first die body is internally provided with an accommodating groove for accommodating a flat plate, the accommodating groove is internally provided with a first forming mechanism for forming the flat plate, the second die body is provided with a second forming mechanism matched with the first forming mechanism, and the second die body is used for being matched with the accommodating groove of the first die body so as to stamp the flat plate in the accommodating groove through the matching of the first forming mechanism and the second forming mechanism, so that the flat plate has a compensation section with a concave-convex structure; the manufacturing mold for the compensation device provided by the invention can mold the flat plate at one time, so that the flat plate forms a half structure of the compensation device, the compensation device can be formed by sealing and connecting the two molded flat plates, the compensation device is provided with the compensation section with a concave-convex structure, and the molding of the half structure of the compensation device can be realized by stamping the first die body and the second die body, so that the manufacturing of the compensation device can be convenient and quick.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic overall structure diagram of a manufacturing mold for a compensation device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a first mold body of a manufacturing mold for a compensation device according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a second mold body of a manufacturing mold for a compensation device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another embodiment of a first mold body of a manufacturing mold for a compensation device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another embodiment of a second body of a manufacturing mold for a compensation device according to an embodiment of the present invention.
Icon: 100-a first mold body; 101-a containing groove; 102-a first forming mechanism; 112-a first cavity; 122 — a first protrusion; 200-a second mold body; 201-a second forming mechanism; 211-a second protrusion; 221-second cavity.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be apparent that the described embodiments are some, but not all, embodiments of the present invention. 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.
As shown in fig. 1 to 5, the present embodiment provides a manufacturing mold for a compensating apparatus, including: a first mold body 100 and a second mold body 200; the first mold body 100 is internally provided with a containing groove 101 for placing a flat plate, the containing groove 101 is internally provided with a first molding mechanism 102 for molding the flat plate, the second mold body 200 is provided with a second molding mechanism 201 matched with the first molding mechanism 102, and the second mold body 200 is matched with the containing groove 101 of the first mold body 100 so as to punch the flat plate in the containing groove 101 through the matching of the first molding mechanism 102 and the second molding mechanism 201, so that the flat plate has a compensation section with a concave-convex structure.
It should be noted that the manufacturing mold provided in this embodiment can manufacture and form the compensating device for the air-cooling tube bundle, and the manufactured and formed compensating device can form an integrated structure with the air-cooling tube bundle, wherein the air-cooling tube bundle can be a forward flow tube bundle or a reverse flow tube bundle; for the direct air cooling system, the downstream tube bundle can directly receive steam conveyed by the steam distribution pipe, and the upstream tube bundle can convey uncondensed steam and uncondensed gas of the water collection pipe and perform secondary condensation, so that the uncondensed steam can be continuously condensed, and the uncondensed gas is discharged by using the exhaust pipe; because steam carries out the condensation in the air cooling tube bank and can lead to the inside temperature variation of air cooling tube bank big, especially when starting to shut down winter, the air cooling tube bank can take place expansion or shrink change because of expend with heat and contract with cold this moment, but, the finned tube in the air cooling tube bank leads to the finned tube can take place to stretch out and split and the cracked condition owing to receiving the restriction of first UNICOM mechanism and second UNICOM mechanism in expansion or shrink process.
In this embodiment, the first mold body 100 and the second mold body 200 form a manner of matching a female mold and a male mold, wherein the first mold body 100 has a receiving groove 101, that is, the first mold body 100 is a female mold mechanism, the second mold body 200 is a male mold, a flat plate is placed in the female mold, the male mold punches the flat plate in the female mold in a punching manner, and a first forming mechanism 102 and a second forming mechanism 201 having concave-convex matching are arranged on the female mold and the male mold, so as to punch the flat plate in the receiving groove 101 through the matching of the first forming mechanism 102 and the second forming mechanism 201, so that the flat plate has a compensation section having a concave-convex structure, and the compensation section has a compensation section through forming the finned tube, when the finned tube expands or contracts, the compensation section of the compensation device can perform an extending or contracting motion along with the expansion or contraction of the air-cooled tube bundle, thereby offsetting the internal expansion or contracting stress of the finned tube, ensuring the service life of the finned tube bundle, and improving the service life of the air-cooled tube bundle.
Alternatively, the materials of the first and second mold bodies 100, 200 are both metallic materials, and the first and second mold bodies 100, 200 can be stamped and formed from flat plates that are also metallic materials.
The embodiment provides a manufacturing mold for a compensation device, which comprises: a first mold body 100 and a second mold body 200; a containing groove 101 for placing a flat plate is arranged in the first die body 100, a first forming mechanism 102 for forming the flat plate is arranged in the containing groove 101, a second forming mechanism 201 matched with the first forming mechanism 102 is arranged on the second die body 200, and the second die body 200 is matched with the containing groove 101 of the first die body 100 so as to punch the flat plate in the containing groove 101 through the matching of the first forming mechanism 102 and the second forming mechanism 201, so that the flat plate has a compensation section with a concave-convex structure; it should be noted that the manufacturing mold for the compensating device provided by the present invention can mold the flat plate at one time, so that the flat plate forms a half structure of the compensating device, the compensating device can be formed by sealing and connecting two molded flat plates, and the compensating device is provided with a compensation section with a concave-convex structure, and the molding of the half structure of the compensating device can be realized by stamping the first mold body 100 and the second mold body 200, so that the manufacturing of the compensating device can be convenient and fast.
On the basis of the above embodiments, further, in the preferred embodiment of the present invention, the first molding mechanism 102 includes a plurality of cavities; the second molding mechanism 201 includes a plurality of protrusions; a plurality of cavities are arranged at equal intervals along the inside of the first die body 100; the number of the protrusions corresponds to the number of the cavities one to one, and the distance between any two protrusions arranged along the second mold body 200 is the same as the distance between any two cavities.
In the preferred embodiment of the invention, the depth range of the cavity is 3mm-5mm, so that the compensation range of the convex deformation after the flat plate is formed is 3mm-5mm.
In a preferred embodiment of the present invention, the cross-sectional shape of the cavity is circular arc, and the cross-sectional shape of the protrusion is circular arc, so that the protrusion and the cavity are engaged with each other.
In this embodiment, the die cavity sets up with bellied quantity one-to-one, after utilizing a plurality of die cavities and a plurality of arch to carry out stamping forming to the flat board, dull and stereotyped lateral wall can have a plurality of bellyings this moment, when the air cooling tube bank takes place to expand, the bellyings can extend along with the expanded effort to the extending direction of both sides this moment, and then offset the inside expansion stress of air cooling tube bank, when the air cooling tube bank takes place to shrink, the bellyings can contract to central point along with the expanded effort this moment, and then offset the inside contraction stress of air cooling tube bank.
It should be noted that, because the mode that this embodiment formed compensation arrangement utilizes the mode of mould cooperation punching press to form the bellying, the bellying of compensation arrangement is experienced one shot forming and is formed, the bellying still is the integral structure with compensation arrangement, the compensation arrangement who forms through making the mould manufacturing promptly is overall structure, the atress and the arrangement of extension at this moment of bellying or lateral wall all are the same structure, can furthest guarantee to form the uniformity of compensation arrangement overall structure after the formation, and the bellying can be smooth-going even more and transmit the internal contraction stress or the expansion stress of air cooling to the bellying position, structural inconsistency when having avoided utilizing artifical the buckling, lead to the inconsistent condition of effort transmission.
In cold areas in winter, when the acting force of expansion or contraction of the air-cooled tube bundle is large, the number of the cavities and the bulges can be increased, on the contrary, in areas with small temperature change intervals, the number of the cavities and the bulges can be relatively reduced, namely the number of the cavities and the bulges can be specifically set according to the expansion or contraction intervals of different areas, and the detailed description is omitted herein; in addition, as the plurality of cavities and the plurality of bulges have the same structure, the plurality of bulges formed by the compensation device have the same structure, and the deformation compensation in the expansion or contraction process of the air cooling tube bundle can be better realized on the basis of ensuring the stability of the whole structure.
In a preferred embodiment of the present invention, the depth of the receiving groove 101 of the first mold 100 is 9.5mm-12.5mm; the extension length of the cavity ranges from 200mm to 220mm.
Preferably, the horizontal cross-sectional shape of the first mold body 100 is a rectangular structure, at this time, a flat plate is accommodated in the accommodating groove 101 of the first mold body 100, the depth of the accommodating groove 101 of the first mold body 100 is half of the width of the formed compensation device, the extension length of the cavity is the length of the formed compensation device, i.e., the length side of the formed compensation device with the rectangular structure is 220mm; the width side of the compensation device with a rectangular structure is 25mm.
In a preferred embodiment of the present invention, along two ends of the cavity extending length direction, arc chamfers are disposed on two inner walls of the receiving groove 101 of the first mold 100, and arc chamfers for fitting in the receiving groove 101 of the first mold 100 are disposed on the second mold 200 corresponding to two side edges of the first mold 100, so that the flat-plate-formed end portion has the arc chamfers.
In this embodiment, since the one-time stamping forming structure of the first mold body 100 and the second mold body 200 is a half structure of the compensation device, the inner walls of the two sides of the accommodating groove 101 of the first mold body 100 are provided with the circular arc chamfers, the edges of the two sides of the second mold body 200 corresponding to the first mold body 100 are provided with the circular arc chamfers for fitting with the accommodating groove 101 of the first mold body 100, at this time, the one-time stamping forming structure of the first mold body 100 and the second mold body 200 is an extending edge whose two ends are both semi-circular structures, and the extending edges of the semi-circular structures of the two half structures are used for sealing and welding, so that the compensation device with a circulation channel in the middle can be formed. In this embodiment, make the special construction of the finned tube of compensation arrangement after the shaping can satisfy the air cooling tube bank, the cross-section that utilizes compensation arrangement is the rectangle structure, make compensation arrangement can laminate with the air cooling tube bank is perfect, and compensation arrangement and air cooling tube bank can carry out sealing connection through the welded mode, be provided with the circular arc chamfer with air cooling tube bank shape matching at the compensation arrangement's of rectangle structure both ends, the circulation passageway cooperation of assurance compensation arrangement that can be better and air cooling tube bank, the circulation passageway in circulation passageway and air cooling tube bank that has guaranteed that steam can be better flows.
In a preferred embodiment of the present invention, the first forming mechanism 102 includes a first cavity 112 and a first protrusion 122; the second molding mechanism 201 includes a second protrusion 211 and a second cavity 221; the first cavity 112 and the second protrusion 211 are arranged adjacently, the second protrusion 211 is arranged corresponding to the first cavity 112, and the second cavity 221 is arranged corresponding to the second protrusion 211, so that when the second mold body 200 is matched with the first mold body 100, the first cavity 112 is matched with the second protrusion 211 and clamped, and the second cavity 221 is matched with the first protrusion 122 and clamped.
In a preferred embodiment of the present invention, the first cavity 112 is provided with a plurality of first cavities, and any two adjacent first cavities 112 are provided with the first protrusions 122; the number of the second cavities 221 corresponds to the number of the first protrusions 122, and the number of the second protrusions 211 corresponds to the number of the first cavities 112.
In a preferred embodiment of the present invention, the depth of the first cavity 112 ranges from 3mm to 5mm, and the depth of the second cavity 221 ranges from 3mm to 5mm, so that the deformation compensation range of the corrugated position after the flat plate is formed ranges from 3mm to 5mm.
In this embodiment, the first protrusion 122 and the first cavity 112 are disposed on the first mold 100 at an interval, the second cavity 221 is disposed at a position of the second mold 200 corresponding to the first protrusion 122, the second protrusion 211 is disposed at a position corresponding to the first cavity 112, the first protrusion 122 and the second cavity 221 are matched to form the first protrusion 122 portion toward one side of the flat plate, the second protrusion 211 and the second cavity 221 are matched to form the second protrusion 211 portion toward the other side of the flat plate, and the first protrusion 122 portion and the second protrusion 211 portion can make the formed compensation device have a corrugated connection section.
Optionally, the corrugated connection section is the concave-convex structure who buckles for compensation arrangement's lateral wall, and when the expansion takes place for air cooling tube bank, the corrugated connection section can extend along with the effort of inflation to the extending direction of both sides this moment, and then offsets the inside expansion stress of air cooling tube bank, and when the contraction takes place for air cooling tube bank, the corrugated connection section can contract to central point along with the effort of inflation this moment, and then offsets the inside contraction stress of air cooling tube bank.
It should be noted that, when the first mold body 100 and the second mold body 200 are formed by one-step press forming to form a half structure, and at this time, when the two half structures are sealed and welded, it is necessary to ensure that the positions of the first protrusion 122 portion and the first protrusion 122 portion of the two half structures correspond to each other, and the positions of the second protrusion 211 portion and the second protrusion 211 portion correspond to each other, so that the formed compensation device has a corrugated connection section.
The embodiment provides a manufacturing method for a compensation device, which comprises the following steps: the flat plate is horizontally placed in the accommodating groove 101 of the first mold body 100; extruding the second die body 200 to the flat plate in the accommodating groove 101 of the first die body 100 by a stamping mode; the surface of the flat plate is subjected to punch forming through the cooperation between the first forming mechanism 102 and the second forming mechanism 201, so that the surface of the flat plate has a compensation section with a concave-convex structure.
In a preferred embodiment of the present invention, the method further comprises the following steps: the flat plate is extruded by matching the arc chamfer of the edge of the containing groove 101 of the first die body 100 with the arc chamfer of the edge of the second die body 200; sealing and connecting two formed flat plates with arc chamfers at the end parts to form a compensation device with a circulation cavity; wherein, the compensation device is provided with a compensation section for deformation compensation.
In the manufacturing method for the compensation device provided by the embodiment, the compensation section with the concave-convex structure is arranged on the surface of the flat plate in a mode of matching and stamping by using a die, namely, the convex part of the compensation section of the compensation device is formed by one-step forming, the compensation section and the compensation device are still in an integral structure, namely, the compensation device manufactured and formed by using the die is in an integral structure, the stress and extension arrangement of the compensation section and other positions of the side wall at the moment are in the same structure, the consistency of the integral structure of the compensation device after formation can be ensured to the maximum extent, the compensation section can more smoothly and uniformly transmit the internal shrinkage stress or expansion stress of the air-cooled tube bundle to the integral position of the compensation device, and the condition that the transmission of the acting force is inconsistent due to the inconsistency of the structural inconsistency when the compensation device is bent manually is avoided; the special structure to the air cooling tube bank that exists among the prior art has been alleviated, and the compensator among the prior art can't satisfy the sealed and transport demand of air cooling tube bank, and then leads to the air cooling tube bank among the prior art still to have the expansion or shrink process and take place the technical problem that drawing crack and fracture take place.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. A manufacturing tool for a compensating device, comprising: a first mold body and a second mold body;
the first die body is internally provided with an accommodating groove for accommodating a flat plate, the accommodating groove is internally provided with a first forming mechanism for forming the flat plate, the second die body is provided with a second forming mechanism matched with the first forming mechanism, and the second die body is matched with the accommodating groove of the first die body so as to punch the flat plate in the accommodating groove through the matching of the first forming mechanism and the second forming mechanism, so that the flat plate has a compensation section with a concave-convex structure;
the first forming mechanism comprises a plurality of cavities; the second forming mechanism comprises a plurality of protrusions; a plurality of the cavities are arranged at equal intervals along the first die body; the number of the bulges corresponds to the number of the cavities one by one, and the distance between any two bulges arranged along the second die body is the same as the distance between any two cavities; arc chamfers are arranged on the inner walls of the two sides of the first die body accommodating groove along the two ends of the cavity in the extending length direction, and arc chamfers which are matched with the first die body accommodating groove in the second die body are arranged on the edges of the two sides of the second die body corresponding to the first die body, so that the end part of the flat plate after being molded is provided with the arc chamfers; the depth range of the cavity is 3mm-5mm, so that the compensation range of the convex deformation after the flat plate is formed is 3mm-5mm;
or, the first forming mechanism comprises a first cavity and a first bulge; the second forming mechanism comprises a second protrusion and a second cavity; the first cavity and the second bulge are adjacently arranged, the second bulge is arranged corresponding to the first cavity, and the second cavity and the second bulge are arranged corresponding to each other, so that when the second die body is matched with the first die body, the first cavity and the second bulge are matched and clamped, and the second cavity and the first bulge are matched and clamped; a plurality of first cavities are arranged, and any two adjacent first cavities are provided with first bulges; the number of the second cavities corresponds to that of the first bulges one to one, and the number of the second bulges corresponds to that of the first cavities one to one.
2. The manufacturing mold for the compensating apparatus as claimed in claim 1, wherein the cross-sectional shape of the cavity is an arc shape, and the cross-sectional shape of the protrusion is an arc shape, so that the protrusion is engaged with the cavity.
3. The manufacturing mold for the compensating device according to claim 2, wherein the depth of the first body accommodating groove ranges from 9.5mm to 12.5mm;
the extension length range of the cavity is 200mm-220mm.
4. A manufacturing method for a compensating device according to any of claims 1-3, characterized by the following steps:
horizontally placing the flat plate in the accommodating groove of the first mold body;
extruding the flat plate in the accommodating groove of the first die body by the second die body in a stamping mode;
the surface of the flat plate is subjected to punch forming through the matching between the first forming mechanism and the second forming mechanism, so that the surface of the flat plate is provided with a compensation section with a concave-convex structure.
5. The manufacturing method for the compensating device according to claim 4, further comprising the steps of:
the circular arc chamfer at the edge of the first die body accommodating groove and the circular arc chamfer at the edge of the second die body are matched to extrude the flat plate;
sealing and connecting two formed flat plates with arc chamfers at the end parts to form a compensation device with a circulation cavity;
wherein, the compensation device is provided with a compensation section for deformation compensation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011259897.1A CN112475040B (en) | 2020-11-11 | 2020-11-11 | Manufacturing mold for compensating device and manufacturing method thereof |
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| CN202011259897.1A CN112475040B (en) | 2020-11-11 | 2020-11-11 | Manufacturing mold for compensating device and manufacturing method thereof |
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| CN112475040A CN112475040A (en) | 2021-03-12 |
| CN112475040B true CN112475040B (en) | 2023-01-31 |
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| CN206153342U (en) * | 2016-09-30 | 2017-05-10 | 华中科技大学 | Small -size ripple sheet metal suppression device |
| US10369613B2 (en) * | 2017-02-06 | 2019-08-06 | GM Global Technology Operations LLC | Die assembly for a stamping press |
| JP7017944B2 (en) * | 2018-02-09 | 2022-02-09 | 株式会社三井ハイテック | Manufacturing method of metal molded body |
| CN210547426U (en) * | 2019-06-27 | 2020-05-19 | 安徽博牧新材料科技有限公司 | Corrugated plate forming die convenient to locate |
| CN210614926U (en) * | 2019-07-05 | 2020-05-26 | 杭州芙林工贸有限公司 | Radiator stamping device |
| CN110538940B (en) * | 2019-09-16 | 2021-02-05 | 山东现代莱恩空调设备有限公司 | Air conditioner condenser fin manufacturing and processing technology |
| CN211502008U (en) * | 2019-12-27 | 2020-09-15 | 秦皇岛北方管业有限公司 | Rectangular corrugated pipe for sintering smoke and air circulating system |
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2020
- 2020-11-11 CN CN202011259897.1A patent/CN112475040B/en active Active
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