CN111531109A - Constant temperature type hot forging die - Google Patents
Constant temperature type hot forging die Download PDFInfo
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- CN111531109A CN111531109A CN202010299225.7A CN202010299225A CN111531109A CN 111531109 A CN111531109 A CN 111531109A CN 202010299225 A CN202010299225 A CN 202010299225A CN 111531109 A CN111531109 A CN 111531109A
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- heat preservation
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- 238000005242 forging Methods 0.000 title claims abstract description 69
- 238000004321 preservation Methods 0.000 claims abstract description 58
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 27
- 238000009413 insulation Methods 0.000 claims description 10
- 230000008901 benefit Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 4
- 238000005485 electric heating Methods 0.000 claims description 4
- 230000005489 elastic deformation Effects 0.000 claims description 3
- 238000012937 correction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010273 cold forging Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The patent provides a pair of thermostatic type hot forging mould, including last mould and bed die, go up the mould and include die body and last heat preservation cover, the bed die includes down die body and heat preservation cover down, goes up the mould and includes heating chamber, and the bed die includes heating chamber down, goes up the mould and forms the heat preservation chamber with the bed die cooperation, is provided with temperature sensor in the heat preservation intracavity, and this thermostatic type hot forging mould still includes heat energy supply ware and controller. The arrangement of the heat energy supplier, the controller and the temperature sensor enables the controller to control the working state of the heat energy supplier according to the parameters detected by the temperature sensor, so that the thermostatic hot forging die has constant temperature performance, and the performance of the thermostatic hot forging die is optimized. The arrangement of the upper heat-insulating cover and the lower heat-insulating cover can effectively prevent the heat energy loss of the upper die and the lower die, and the use cost of the constant-temperature hot forging die is reduced.
Description
Technical Field
The invention relates to a forging equipment accessory, in particular to a constant-temperature hot forging die, and belongs to the technical field of forging.
Background
Forging is a processing method for forming corresponding characteristics by adopting a heat preservation device, the forging precision is higher and higher along with the development of the forging technology, and a product after high-precision forging can be applied without subsequent finish machining.
The forging technology is divided into hot forging and cold forging, and taking the hot forging technology as an example, the temperature of the medium is required to be higher than the natural temperature during the hot forging, and at the moment, a die for forging needs to be preheated or heated so that the temperature of the die is matched with the temperature of the medium to be forged. Hot forging is widely used because it has the advantages of easy control and low pressure requirement.
During hot forging, the temperature of the die is easily lost, that is, the die may be required to be kept in a certain posture for a certain time during the forging process of the medium, and at this time, the temperature of the die is likely to be reduced due to the keeping, and the reduction of the temperature has a great influence on the performance and precision of the medium to be forged, so the loss of the temperature may reduce the precision of the medium to be forged and influence the performance of the medium to be forged.
Disclosure of Invention
The technical problem that this patent will be solved provides a thermostatic type forge hot mould to make the forging die have reasonable temperature, and then improve the precision by the forging medium.
The technical scheme adopted by the patent for solving the technical problems is as follows:
a constant-temperature hot forging die comprises an upper die and a lower die matched with the upper die, wherein the upper die comprises an upper die body and an upper heat-insulating cover covering the outer part of the upper die body, and an upper heating cavity is formed between the upper die body and the upper heat-insulating cover;
the lower die comprises a lower die body and a lower heat-insulating cover covering the lower die body, and a lower heating cavity is formed between the lower heat-insulating cover and the lower die body;
after the upper mold is matched with the lower mold, a part of the upper heat-preservation cover extends into the lower heat-preservation cover, and the upper heating cavity is matched with the lower heating cavity to form a heat-preservation cavity;
the thermostatic hot forging die further comprises a heat energy supplier for supplying heat energy to the heat preservation cavity and a controller for controlling the heat energy supplier to work, and the controller controls the heat energy supplier to work according to parameters detected by the temperature sensor.
The utility model discloses a thermostatic type hot forging mould, including last mould and bed die, go up the mould and include die body and last heat preservation cover, the bed die includes down die body and heat preservation cover down, goes up the mould and includes heating chamber, and the bed die includes heating chamber down, goes up the mould and forms the heat preservation chamber with the bed die cooperation, is provided with temperature sensor in the heat preservation intracavity, and this thermostatic type hot forging mould still includes heat energy supply ware and controller. The arrangement of the heat energy supplier, the controller and the temperature sensor enables the controller to control the working state of the heat energy supplier according to the parameters detected by the temperature sensor, so that the thermostatic hot forging die has constant temperature performance, and the performance of the thermostatic hot forging die is optimized. The arrangement of the upper heat-insulating cover and the lower heat-insulating cover can effectively prevent the heat energy loss of the upper die and the lower die, and the use cost of the constant-temperature hot forging die is reduced.
Preferably, go up the heat preservation cover with cover all is provided with the heat preservation down, the heat preservation bond respectively in go up the heat preservation cover down cover, go up the heat preservation cover with be provided with the sealing washer down between the heat preservation cover, the sealing washer set up in cover down keeps warm, and, go up the mould with the bed die cooperation back, the sealing washer with go up the contact of heat preservation cover.
The arrangement of the heat preservation layer is mainly used for reducing the heat loss of the upper heat preservation cover and the lower heat preservation cover and reducing the use cost of the constant-temperature hot forging die. The sealing ring is mainly arranged to play a sealing function, so that heat energy loss is reduced, and the use cost of the constant-temperature hot forging die is further reduced.
Preferably, the upper die body and the upper heat-preservation cover are of an integrated structure, an upper heat-conduction space enabling the temperature of the upper die body to be uniform is arranged on the upper die body, the lower die body and the lower heat-preservation cover are of an integrated structure, a lower heat-conduction space enabling the temperature of the lower die body to be uniform is arranged on the lower die body, and the upper heat-conduction space and the lower heat-conduction space are communicated with the heat-preservation cavity.
The upper die body and the lower die body are uniformly heated due to the arrangement of the upper heat conduction space and the lower heat conduction space, and the performance of the constant-temperature hot forging die is optimized.
Preferably, the upper die body is fixed in the upper heat-insulation cover through an upper connecting block, the upper die body is fixed on the upper connecting block through threads, the upper connecting block is fixed on the upper heat-insulation cover through threads, the lower die body is fixed on the lower heat-insulation cover through a lower connecting block, the lower die body is fixed on the lower connecting block through threads, the lower connecting block is fixed on the lower heat-insulation cover through threads, heat conduction spaces are formed in the upper connecting block and the lower connecting block, and the heat conduction spaces are communicated with the heat insulation cavity.
The arrangement of the upper connecting block and the lower connecting block enables the constant-temperature hot forging die to be of a split structure, each part can be conveniently and independently replaced, and the maintenance cost of the constant-temperature hot forging die is reduced.
Preferably, still be provided with right in the cover that keeps warm down go up the guide post that the cover that keeps warm led, the guide post with it is right to form between the lateral wall of cover that keeps warm down go up the direction space that the cover that keeps warm leads be provided with on the guide post and do benefit to go up the cover that keeps warm and get into the guide body in direction space, the guide body with guide post formula structure as an organic whole.
The arrangement of the guide columns improves the precision of the constant-temperature hot forging die.
Preferably, the upper die body is provided with a correcting body for correcting the position of the upper die body relative to the lower die body, the lower die body is provided with a correcting groove matched with the correcting body, the correcting body is hemispherical, and the correcting body and the upper die body are of an integrated structure.
The precision of the constant-temperature hot forging die is improved.
Preferably, the sealing ring has at least two circles, and the cross section of the sealing ring is semicircular.
The sealing performance of the sealing ring is optimized.
Preferably, the temperature sensor is fixed in the heat preservation cavity through threads, and the temperature sensor communicates with the controller in a wireless communication mode.
The structure of the constant-temperature hot forging die is simplified.
Preferably, the heat energy supplier is an electric heating pipe, the heat energy supplier is coiled in the heat preservation cavity, a fixing part for fixing the heat energy supplier is arranged in the heat preservation cavity, and the heat energy supplier is clamped on the fixing part.
The heat energy supplier is easy to replace, and the maintenance cost of the constant-temperature hot forging die is reduced.
Preferably, the fixing member is fixed on the side wall of the heat preservation cavity by a screw, and the fixing member includes a clamping arm with elastic deformation capability, and the clamping arm forms a fixing cavity for fixing the heat energy supplier.
The heat energy supplier is easy to assemble, and the maintenance cost of the constant-temperature type hot forging die is reduced.
Compared with the prior art, the patent has the following advantages and effects:
1. the arrangement of the upper heat-insulating cover and the lower heat-insulating cover can effectively reduce the heat loss of the upper die body and the lower die body, and the use cost of the constant-temperature hot forging die is reduced.
2. One part of the upper heat-insulating cover extends into the lower heat-insulating cover, the sealing performance of the heat-insulating cavity is optimized by the scheme, the heat energy loss of the heat-insulating cavity is further reduced, and the use cost of the constant-temperature hot-forging die is reduced.
3. The arrangement of the temperature sensor, the heat energy supplier and the controller ensures that the thermostatic hot forging die can keep constant temperature, thereby optimizing the performance of the thermostatic hot forging die.
Drawings
In order to more clearly illustrate the embodiments of the present patent or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present patent, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present patent.
Fig. 2 is a schematic diagram of the internal structure of the patent.
Fig. 3 is a schematic view of a scheme of an upper mold in the patent.
Fig. 4 is a schematic view of a lower mold according to the present patent.
Fig. 5 is a schematic view of a fastener of this patent.
Fig. 6 is a schematic view of another embodiment of the upper mold of this patent.
Description of reference numerals:
1. go up the mould, 2, bed die, 3, go up the die body, 4, go up the cover that keeps warm, 5, go up the heating chamber, 6, lower die body, 7, heat preservation cover down, 8, lower heating chamber, 9, heat preservation chamber, 10, temperature sensor, 11, heat energy supplier, 12, controller, 13, sealing washer, 14, go up heat-conducting space, 15, heat-conducting space down, 16, go up the connecting block, 17, guide post, 18, guide space, 19, alignment body, 20, mounting.
Detailed Description
The following examples are given to explain the present patent without limiting the present patent to the following examples.
In the hot forging process, a workpiece to be forged is placed in a die for forging after being heated to a specified temperature, and the workpiece to be forged is deformed in the die by applying pressure on the die to form the characteristics required by the workpiece to be forged, and the temperature change of the die in the process has an influence on the workpiece to be forged, wherein the influence may reduce the precision of the workpiece to be forged or influence the performance of the workpiece to be forged, and therefore, the temperature of the die needs to be kept to be changed within a reasonable range during the hot forging process of the workpiece to enable the workpiece to be forged to have reasonable precision and performance.
In the prior art, the dies are used only for preheating before forging and maintaining the temperature of the forged workpiece through heat conduction during forging, and the die temperature is easily lost during forging, that is, the die temperature may rapidly drop, which causes the die temperature to be lower or far lower than the temperature of the forged workpiece, and further, may cause the performance or precision of the forged workpiece to be reduced.
In order to obtain reasonable precision and performance of the workpiece to be forged, the temperature of the die should be kept constant or changed within a reasonable range during the forging process, so as to avoid the influence of the temperature change of the die on the precision or performance of the workpiece to be forged.
As shown in fig. 1 to 4, in some possible embodiments, a thermostatic hot forging die includes an upper die 1 and a lower die 2 cooperating with the upper die 1, and possibly, both the upper die 1 and the lower die 2 should include a die cavity, and the upper die 1 cooperates with the lower die 2 to form a forming cavity for forming a forged medium.
The upper die 1 comprises an upper die body 3 and an upper heat-insulating cover 4 covering the upper die body 3, and an upper heating cavity 5 is formed between the upper die body 3 and the upper heat-insulating cover 4;
the lower die 2 comprises a lower die body 6 and a lower heat-insulating cover 7 covering the lower die body 6, and a lower heating cavity 8 is formed between the lower heat-insulating cover 7 and the lower die body 6;
after the upper die 1 is matched with the lower die 2, a part of the upper heat-insulating cover 4 extends into the lower heat-insulating cover 7, and the upper heating cavity 5 is matched with the lower heating cavity 8 to form a heat-insulating cavity 9.
In some possible schemes, the heat preservation cavity 9 should have a certain sealing performance so as to reduce the heat loss of the heat preservation cavity 9, and further reduce the processing cost of the thermostatic hot forging die.
The thermostatic hot forging die further comprises a heat energy supplier 11 for supplying heat energy into the heat preservation cavity 9 and a controller 12 for controlling the heat energy supplier 11 to work, wherein the controller 12 controls the heat energy supplier 11 to work according to parameters detected by the temperature sensor 10.
The temperature sensor 10, the controller 12 and the heat energy supplier 11 are all conventional structures in the prior art, which can be conveniently obtained by purchase, and the specific structures of the temperature sensor 10, the controller 12 and the heat energy supplier 11 are not limited.
In some possible embodiments, the controller 12 has certain logical processing capabilities. Illustratively, a corresponding preset temperature threshold is stored in the controller 12, and the controller 12 receives the temperature parameter detected by the temperature sensor 10 and compares the temperature parameter with the preset temperature threshold in the controller 12, for example, when the temperature parameter detected by the temperature sensor 10 is higher than the preset temperature threshold, the controller 12 controls the thermal energy supplier 11 to stop supplying heat, or when the temperature parameter detected by the temperature sensor 10 is lower than another preset temperature threshold, the controller 12 controls the thermal energy supplier 11 to supply heat. Specifically, at least one set of preset thresholds, i.e., a high temperature threshold and a low temperature threshold, should be preset in the controller 12, and the high temperature threshold is not equal to the low temperature threshold.
In some possible embodiments, the upper heat-insulating cover 4 and the lower heat-insulating cover 7 are both provided with heat-insulating layers, the heat-insulating layers are layered structures made of heat-insulating materials, the heat-insulating layers are respectively bonded to the upper heat-insulating cover 4 and the lower heat-insulating cover 7, and the heat-insulating layers can also be arranged in a coating manner.
The specific structure or material of the insulating layer is not limited, and can be freely selected by those skilled in the art.
A sealing ring 13 is arranged between the upper heat-insulating cover 4 and the lower heat-insulating cover 7, the sealing ring 13 is arranged on the lower heat-insulating cover 7, and after the upper die 1 is matched with the lower die 2, the sealing ring 13 is in contact with the upper heat-insulating cover 4. The sealing ring 13 can be arranged on the lower heat-preservation cover 7 by bonding or other fixing modes.
In some possible embodiments, the sealing ring 13 has at least two rings, and the cross-sectional shape of the sealing ring 13 is semicircular.
The shape of the sealing ring 13 is to facilitate the matching of the upper heat-preserving cover 4 and the lower heat-preserving cover 7, so that the cross-sectional shape of the sealing ring 13 is provided with a corresponding guide surface, which can be a cambered surface, or a plane surface, specifically, when the guide surface is a cambered surface, the cross-sectional shape of the sealing ring 13 can be a semicircle or an 1/2 ellipse. When the guide surface is a plane, the sealing ring 13 may have a chamfer structure thereon, and the chamfer may be a right angle or a round angle.
As shown in fig. 2 to 4, in some possible embodiments, the upper mold body 3 and the upper heat-insulating cover 4 are of an integrated structure, an upper heat-conducting space 14 for making the temperature of the upper mold body 3 uniform is provided on the upper mold body 3, the lower mold body 6 and the lower heat-insulating cover 7 are of an integrated structure, a lower heat-conducting space 15 for making the temperature of the lower mold body 6 uniform is provided on the lower mold body 6, and both the upper heat-conducting space 14 and the lower heat-conducting space 15 are communicated with the heat-insulating cavity 9.
Still be provided with right in the cover 7 that keeps warm down go up the guide post 17 that keeps warm and cover 4 direction, guide post 17 with it is right to form between the lateral wall of cover 7 that keeps warm down go up the guide space 18 that keeps warm and cover 4 direction set up on the guide post 17 and be favorable to go up the cover 4 entering that keeps warm the guide body of guide space 18, the guide body with guide post 17 formula structure as an organic whole.
As shown in fig. 6, or, the upper mold body 3 is fixed in the upper heat-insulating cover 4 through an upper connecting block 16, the upper mold body 3 is fixed on the upper connecting block 16 through a screw thread, the upper connecting block 16 is fixed on the upper heat-insulating cover 4 through a screw thread, the lower mold body 6 is fixed on the lower heat-insulating cover 7 through a lower connecting block, the lower mold body 6 is fixed on the lower connecting block through a screw thread, the lower connecting block is fixed on the lower heat-insulating cover 7 through a screw thread, heat conduction spaces are provided on both the upper connecting block 16 and the lower connecting block, and the heat conduction spaces are communicated with the heat-insulating cavity 9.
Accordingly, the upper heat conduction space 14, the lower heat conduction space 15 and the heat conduction space may be of corresponding channel or hole structures, and the main function thereof is to make the wall thickness of the upper mold 1 and the lower mold 2 uniform, so as to avoid the performance influence caused by the non-uniform temperature of the upper mold 1 and the lower mold 2.
As shown in fig. 2 to 4, in a possible optimization scheme of this embodiment, a calibration body 19 for calibrating a position of the upper mold body 3 relative to the lower mold body 6 is disposed on the upper mold body 3, a calibration groove matched with the calibration body 19 is disposed on the lower mold body 6, the calibration body 19 is hemispherical, and the calibration body 19 and the upper mold body 3 are of an integrated structure.
The matching of the correction body 19 and the correction groove is to improve the matching precision of the upper die body 3 and the lower die body 6, thereby improving the forging precision.
The structure, shape and connection mode of the correction body 19 and the correction groove are not particularly limited, and can be reasonably set by those skilled in the art according to the needs.
The possible schemes of the correction body 19 and the correction groove are as follows: the shape of the calibration body 19 is such that the cross-sectional area of one end is larger than that of the other end to facilitate the fitting of the calibration body 19 with the calibration slot.
In some possible embodiments, the temperature sensor 10 is fixed in the holding chamber 9 by screw threads, and possibly, the temperature sensor 10 is fixed in the holding chamber 9 by screws, and the temperature sensor 10 communicates with the controller 12 by wireless communication.
The specific fixing manner and fixing position of the temperature sensor 10 are not limited, and those skilled in the art can freely select, and for example, the temperature sensor 10 may be fixed on the inner side wall of the upper heat-insulating cover 4 by screws. The controller 12 may be fixed to the thermostatic hot forging die by any means, for example, the controller 12 may be fixed to the upper heat-insulating cover 4 by screws, and a heat-insulating layer may be provided between the controller 12 and the upper heat-insulating cover 4 to prevent the controller 12 from being damaged by the temperature of the upper heat-insulating cover 4.
The manner of communication between the temperature sensor 10 and the controller 12 is not limited and can be freely selected by those skilled in the art.
In one possible solution of this embodiment, the thermal energy supplier 11 is an electric heating pipe, the thermal energy supplier 11 is wound in the heat preservation chamber 9, a fixing member 20 for fixing the thermal energy supplier 11 is disposed in the heat preservation chamber 9, and the thermal energy supplier 11 is clamped to the fixing member 20.
It is possible that the electric heating pipe can be replaced by a heat transfer pipe, i.e. a pipe structure with heat transfer capability, and steam can be supplied into the heat transfer pipe through a boiler or other equipment with heat energy supply to realize the heat supply requirement of the heat energy supplier 11.
As shown in fig. 5, in a possible solution of this embodiment, the fixing member 20 is fixed to the sidewall of the insulating chamber 9 by screws, and the fixing member 20 includes a snap arm having elastic deformation capability, and the snap arm forms a fixing chamber for fixing the thermal energy supplier 11.
It is possible that the fixing member 20 may have other structures, and the fixing member 20 functions only to fix the thermal energy supplier 11, and the specific structure thereof is not limited and can be freely selected by those skilled in the art.
In addition, it should be noted that the specific embodiments described in the present specification may differ in the shape of the components, the names of the components, and the like. All equivalent or simple changes in the structure, characteristics and principles of the patent idea are included in the protection scope of the patent. Various modifications, additions and substitutions for the specific embodiments described may occur to those skilled in the art without departing from the scope of the patent, which is defined by the claims appended hereto.
Claims (10)
1. The constant-temperature hot forging die comprises an upper die (1) and a lower die (2) matched with the upper die (1), and is characterized in that: the upper die (1) comprises an upper die body (3) and an upper heat-insulating cover (4) covering the upper die body (3), and an upper heating cavity (5) is formed between the upper die body (3) and the upper heat-insulating cover (4);
the lower die (2) comprises a lower die body (6) and a lower heat-insulating cover (7) covering the lower die body (6), and a lower heating cavity (8) is formed between the lower heat-insulating cover (7) and the lower die body (6);
after the upper die (1) is matched with the lower die (2), a part of the upper heat-insulating cover (4) extends into the lower heat-insulating cover (7), and the upper heating cavity (5) is matched with the lower heating cavity (8) to form a heat-insulating cavity (9);
the thermostatic type hot forging die is characterized in that a temperature sensor (10) for detecting the temperature in the heat preservation cavity (9) is arranged in the heat preservation cavity (9), the thermostatic type hot forging die further comprises a heat energy supplier (11) for supplying heat energy into the heat preservation cavity (9) and a controller (12) for controlling the heat energy supplier (11) to work, and the controller (12) controls the heat energy supplier (11) to work according to parameters detected by the temperature sensor (10).
2. A thermostatic hot forging die as set forth in claim 1, wherein: go up heat preservation cover (4) with all be provided with the heat preservation on heat preservation cover (7) down, the heat preservation bond respectively in go up heat preservation cover (4) down on heat preservation cover (7) go up heat preservation cover (4) with be provided with sealing washer (13) down between heat preservation cover (7), sealing washer (13) set up in on heat preservation cover (7) down, and, go up mould (1) with bed die (2) cooperation back, sealing washer (13) with go up heat preservation cover (4) contact.
3. A thermostatic hot forging die as set forth in claim 2, wherein: go up die body (3) with go up heat preservation cover (4) formula structure as an organic whole be provided with on going up die body (3) and make last heat-conduction space (14) that go up die body (3) temperature is even, lower die body (6) with heat preservation cover (7) formula structure as an organic whole down be provided with on die body (6) down and make down die body (6) temperature is even down heat-conduction space (15), go up heat-conduction space (14) with down heat-conduction space (15) all with heat preservation chamber (9) communicate with each other.
4. A thermostatic hot forging die as set forth in claim 1, wherein: the upper die body (3) is fixed in the upper heat-insulation cover (4) through an upper connecting block (16), the upper die body (3) is fixed on the upper connecting block (16) through threads, the upper connecting block (16) is fixed on the upper heat-insulation cover (4) through threads, the lower die body (6) is fixed on the lower heat-insulation cover (7) through a lower connecting block, the lower die body (6) is fixed on the lower connecting block through threads, the lower connecting block is fixed on the lower heat-insulation cover (7) through threads, heat conduction spaces are arranged on the upper connecting block (16) and the lower connecting block, and the heat conduction spaces are communicated with the heat-insulation cavity (9).
5. A thermostatic hot forging die as set forth in claim 3, wherein: still be provided with right in the cover (7) that keeps warm down go up guide post (17) that keep warm and cover (4) direction, guide post (17) with it is right to form between the lateral wall of cover (7) keeps warm down go up guide space (18) that keep warm and cover (4) direction be provided with on guide post (17) and do benefit to go up and keep warm and cover (4) entering the guide body of guide space (18), the guide body with guide post (17) formula structure as an organic whole.
6. A thermostatic hot forging die as claimed in claim 3 or 4, wherein: the die comprises an upper die body (3) and a lower die body (6), wherein a correcting body (19) for correcting the position of the upper die body (3) relative to the lower die body (6) is arranged on the upper die body (3), a correcting groove matched with the correcting body (19) is formed in the lower die body (6), the correcting body (19) is hemispherical, and the correcting body (19) and the upper die body (3) are of an integrated structure.
7. A thermostatic hot forging die as set forth in claim 2, wherein: the sealing ring (13) has at least two rings, and the cross section of the sealing ring (13) is semicircular.
8. A thermostatic hot forging die as set forth in claim 1, wherein: the temperature sensor (10) is fixed in the heat preservation cavity (9) through threads, and the temperature sensor (10) is communicated with the controller (12) in a wireless communication mode.
9. A thermostatic hot forging die as set forth in claim 8, wherein: the heat energy supplier (11) is an electric heating pipe, the heat energy supplier (11) is coiled in the heat preservation cavity (9), a fixing part (20) for fixing the heat energy supplier (11) is arranged in the heat preservation cavity (9), and the heat energy supplier (11) is clamped on the fixing part (20).
10. A thermostatic hot forging die as set forth in claim 9, wherein: the fixing piece (20) is fixed on the side wall of the heat preservation cavity (9) through screws, and the fixing piece (20) comprises clamping arms with elastic deformation capacity, and the clamping arms form a fixing cavity for fixing the heat energy supplier (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010299225.7A CN111531109A (en) | 2020-04-16 | 2020-04-16 | Constant temperature type hot forging die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010299225.7A CN111531109A (en) | 2020-04-16 | 2020-04-16 | Constant temperature type hot forging die |
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| CN111531109A true CN111531109A (en) | 2020-08-14 |
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| CN202010299225.7A Pending CN111531109A (en) | 2020-04-16 | 2020-04-16 | Constant temperature type hot forging die |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088617A (en) * | 2021-11-18 | 2022-02-25 | 上海交通大学 | Hot forging friction and lubrication effect optimization detection method |
| CN115625284A (en) * | 2022-10-31 | 2023-01-20 | 江苏理研科技股份有限公司 | Heat preservation device and method for long rod part in forging process |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| SU1061902A2 (en) * | 1982-05-04 | 1983-12-23 | Предприятие П/Я М-5671 | Die for isothermal stamping |
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| CN208245731U (en) * | 2018-04-13 | 2018-12-18 | 天津市中达电热设备有限公司 | A kind of isothermal forging mould heating furnace |
| CN110899602A (en) * | 2019-12-06 | 2020-03-24 | 陕西宏远航空锻造有限责任公司 | Isothermal forging heating furnace |
| CN212551544U (en) * | 2020-04-16 | 2021-02-19 | 德清县鑫宏锻造有限公司 | Constant temperature type hot forging die |
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| SU1061902A2 (en) * | 1982-05-04 | 1983-12-23 | Предприятие П/Я М-5671 | Die for isothermal stamping |
| CN101036931A (en) * | 2007-03-05 | 2007-09-19 | 贵州安大航空锻造有限责任公司 | Near-isothermal forging method of GH4169 alloy disc-shaped forging in air |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114088617A (en) * | 2021-11-18 | 2022-02-25 | 上海交通大学 | Hot forging friction and lubrication effect optimization detection method |
| CN115625284A (en) * | 2022-10-31 | 2023-01-20 | 江苏理研科技股份有限公司 | Heat preservation device and method for long rod part in forging process |
| CN115625284B (en) * | 2022-10-31 | 2023-11-03 | 江苏理研科技股份有限公司 | Heat preservation device and method in long rod part forging process |
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