CN212551544U - A constant temperature hot forging die - Google Patents
A constant temperature hot forging die Download PDFInfo
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- CN212551544U CN212551544U CN202020570316.5U CN202020570316U CN212551544U CN 212551544 U CN212551544 U CN 212551544U CN 202020570316 U CN202020570316 U CN 202020570316U CN 212551544 U CN212551544 U CN 212551544U
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- 238000005242 forging Methods 0.000 title claims abstract description 66
- 238000004321 preservation Methods 0.000 claims abstract description 68
- 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 13
- 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
- 238000000034 method Methods 0.000 description 7
- 238000012937 correction Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 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
- 239000000463 material Substances 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
- 238000010586 diagram 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
- 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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Abstract
本专利提供的一种恒温式热锻模具，包括上模具和下模具，上模具包括上模体和上保温罩，下模具包括下模体和下保温罩，上模具包括上加热腔，下模具包括下加热腔，上模具与下模具配合形成保温腔，在保温腔内设置有温度传感器，该恒温式热锻模具还包括热能供应器和控制器。热能供应器、控制器及温度传感器的设置使得控制器可以根据温度传感器检测到的参数控制热能供应器的工作状态，使得恒温式热锻模具具有恒温性能，优化了恒温式热锻模具的性能。上保温罩和下保温罩的设置可以有效地防止上模具、下模具的热能损失，降低了恒温式热锻模具的使用成本。
A constant temperature hot forging die provided by this patent includes an upper die and a lower die, the upper die includes an upper die body and an upper heat preservation cover, the lower die includes a lower die body and a lower heat preservation cover, the upper die includes an upper heating cavity, and the lower die It includes a lower heating cavity, an upper die cooperates with the lower die to form a heat preservation cavity, a temperature sensor is arranged in the heat preservation cavity, and the constant temperature hot forging die also includes a heat energy supplier and a controller. The settings of the heat energy supplier, the controller and the temperature sensor enable the controller to control the working state of the heat energy supplier according to the parameters detected by the temperature sensor, so that the constant temperature hot forging die has constant temperature performance and the performance of the constant temperature hot forging die is optimized. The arrangement of the upper heat preservation cover and the lower heat preservation cover can effectively prevent the heat energy loss of the upper die and the lower die, and reduce the use cost of the constant temperature hot forging die.
Description
Technical Field
The utility model relates to a forging apparatus accessory especially relates to a thermostatic type forge hot mould, belongs to and forges technical field.
Background
Forging is a processing method for forming corresponding characteristics by a method without removing materials, 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.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the present disclosure is to provide a thermostatic hot forging die, so that the forging die has a reasonable temperature, and further, the precision of a forged medium is improved.
The technical scheme adopted by the disclosure 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 method 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 disclosure 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 disclosure, 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 disclosure.
Fig. 2 is a schematic view of the internal structure of the present disclosure.
Fig. 3 is a schematic view of one embodiment of an upper mold according to the present disclosure.
Fig. 4 is a schematic view of a version of the lower mold of the present disclosure.
Fig. 5 is a schematic view of a fastener of the present disclosure.
Fig. 6 is a schematic view of another version of an upper mold of the present disclosure.
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 present disclosure is further described in detail with reference to the following examples, which are illustrative of the present disclosure and are not to be construed as being limited thereto.
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 temperature preset 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 temperature preset threshold in the controller 12, for example, when the temperature parameter detected by the temperature sensor 10 is higher than the temperature preset 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 temperature preset threshold, the controller 12 controls the thermal energy supplier 11 to supply heat. Specifically, at least one set of preset thresholds, namely 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 disclosed patent concepts are included in the protection scope of the present patent disclosure. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the present disclosure, which is defined by the claims appended hereto.
Claims (10)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020570316.5U CN212551544U (en) | 2020-04-16 | 2020-04-16 | A constant temperature hot forging die |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020570316.5U CN212551544U (en) | 2020-04-16 | 2020-04-16 | A constant temperature hot forging die |
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| CN212551544U true CN212551544U (en) | 2021-02-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111531109A (en) * | 2020-04-16 | 2020-08-14 | 德清县鑫宏锻造有限公司 | Constant temperature type hot forging die |
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2020
- 2020-04-16 CN CN202020570316.5U patent/CN212551544U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111531109A (en) * | 2020-04-16 | 2020-08-14 | 德清县鑫宏锻造有限公司 | Constant temperature type hot forging die |
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