CN210131969U - Single-point incremental forming hot air heating workbench - Google Patents
Single-point incremental forming hot air heating workbench Download PDFInfo
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- CN210131969U CN210131969U CN201920887167.2U CN201920887167U CN210131969U CN 210131969 U CN210131969 U CN 210131969U CN 201920887167 U CN201920887167 U CN 201920887167U CN 210131969 U CN210131969 U CN 210131969U
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Abstract
The utility model relates to a single-point takes shape hot-air heating workstation gradually belongs to novel metal material processing technology field, including the bedplate, be provided with the stay tube on the bedplate, the upper end week portion of stay tube is provided with the outside backup pad that extends, be provided with the fixed plate that has the installation opening in the backup pad, be provided with the side air-out framed bent that installs in the backup pad and be used for supporting the blank in the installation opening, the upside of side air-out framed bent is provided with rather than the swager who cooperatees and pushes down the blank and construct, be provided with the heating chamber in the stay tube, the sub-unit connection in heating chamber has the ventilation pipe, be provided with heating system in the ventilation pipe and be connected with temperature control system. The single-point incremental forming hot air heating workbench blows cold air through the blower, the resistance wire heats the air, heat exchange between the plate and the hot air is realized, and forming limit and forming precision in a forming process are improved.
Description
Technical Field
The utility model relates to a single-point takes shape hot-air heating workstation gradually belongs to novel metal material processing technology field.
Background
The incremental forming is a forming manufacturing technology of layered manufacturing, and a complex three-dimensional digital model is dispersed into a series of two-dimensional contour layers along the height direction, so that the processing track of a tool head is generated. And (3) the tool head performs progressive plastic processing on the plate material according to the NC code of the part to be processed under the control of the numerical control system, moves downwards by a set incremental step length after the required first layer of section profile is formed, moves according to the second layer of section profile track, and repeats the process until the whole part is formed. The non-mold incremental forming is that the sheet material non-mold layered forming does not need the one-to-one corresponding mold, the shape and the structure of the part are not restricted, the development period of a new product is greatly shortened, the cost is reduced, and the problems of small batch, multiple varieties, large resilience and difficult forming of the sheet material part difficult to form are solved. However, some materials which have poor plasticity at normal temperature and are not easy to form, such as magnesium alloy, titanium alloy and the like. Under the heating environment, the plasticity of the material is greatly improved. For such metal materials, it is necessary to heat assist them during the incremental forming process.
The traditional heating mode that takes shape gradually has two kinds, is whole heating and local heating respectively, and traditional heating mode has a great deal of defect:
a) the plastic property of the material can be effectively improved by integral heating and progressive forming. At present, the existing heating equipment such as an electric heating furnace and the like is complex in design, unstable in temperature control and large in error. The integral self-resistance electric heating current and the blank form a loop, and the current flows through the tool head, so that the requirement on the performance of the forming tool head is high;
b) the local heating incremental forming usually adopts the modes of laser heating, self-resistance electric heating, induction heating and the like, and a heating tool is connected to an incremental forming tool head and moves along with the forming tool head to realize local heating. The local heating mode needs to control equipment, and is expensive and complex; the rotating friction heating reduces the rigidity of the main shaft due to the rotating freedom degree, and the high-speed rotating friction influences the surface quality of the plate.
Disclosure of Invention
An object of the utility model is to provide a single-point takes shape hot-air heating workstation gradually, this heating workstation solve heating efficiency low, the inhomogeneous scheduling problem of blank temperature.
The technical scheme of the utility model lies in: the utility model provides a single-point takes shape hot-air heating workstation gradually, includes the bedplate, be provided with the stay tube on the bedplate, the upper end week portion of stay tube is provided with the backup pad of outside extension, be provided with the fixed plate that has the installation opening in the backup pad, be provided with the side air-out framed bent that installs in the backup pad and be used for supporting the blank in the installation opening, the upside of side air-out framed bent is provided with rather than the swager who cooperatees and pushes down the blank and construct, be provided with the heating chamber in the stay tube, the sub-unit connection in heating chamber has the ventilation pipe, be provided with heating system in the ventilation pipe and be connected with.
Further, side air-out frame plate layer is the rectangle cyclic annular, has the clearance between side air-out frame plate and the fixed plate, is provided with the exhaust vent that communicates heating chamber and clearance along circumference interval on the side air-out frame plate.
Furthermore, the pressing mechanism comprises a pressing plate which is arranged on the upper side of the side air outlet frame plate and is rectangular and annular, and a quick clamping device which is used for being abutted to the fixing plate is arranged on the fixing plate.
Further, the quick clamping device is a horizontal quick compressor.
Furthermore, the heating system comprises an air blower connected with the ventilation pipe, a heating pipe is arranged in an air outlet pipe of the air blower, a resistance wire is arranged in the heating pipe, and a mica heat insulation sheet is sleeved outside the heating pipe.
Furthermore, a gasket is arranged outside the air outlet pipe of the air blower, and a locking bolt connected with the supporting pipe is arranged on the gasket in a penetrating mode.
Furthermore, the temperature control system comprises a temperature controller connected with the resistance wire, and a non-contact temperature sensor connected with the temperature controller is arranged on the fixing plate.
Furthermore, a ventilation plate is transversely arranged in the supporting pipe, a ventilation opening connected with the air outlet end of the ventilation pipe is formed in the ventilation plate, and a grating plate is covered on the upper side of the ventilation plate in a sealing mode.
Furthermore, the heat insulation structure comprises a lower heat insulation plate which is arranged at the lower end of the supporting pipe and is fixedly connected with the base plate, and side heat insulation plates are respectively arranged on the inner wall of the supporting pipe and positioned on the upper side and the lower side of the ventilating plate.
Further, the supporting tube is a rectangular tube.
Compared with the prior art, the utility model has the advantages of it is following:
the heating workbench solves the problems of low heating efficiency, uneven blank temperature, complex design of a heating device, high-performance required tool heads, low heating speed and the like of the conventional integral heating mode.
Drawings
FIG. 1 is a schematic structural view of a workbench according to the present invention;
FIG. 2 is a cross-sectional view of the working table of the present invention;
FIG. 3 is a cross-sectional view of the heating system of the present invention;
in the figure: 1. the device comprises a fixing plate, 2, a pressure plate, 3, a blank, 4, a side air outlet frame plate, 5, a supporting plate, 6, a side heat insulation plate, 7, a supporting pipe, 8, bolts, 9, a ventilation plate, 10, a ventilation pipe, 11, a lower heat insulation plate, 12, a base plate, 13, a quick clamping device, 14, a forming tool head, 15, a non-contact temperature sensor, 16, a grating plate, 17, a locking bolt, 18, a gasket, 19, a heating system, 20, a blower, 21, a temperature controller, 22, a mica heat insulation sheet, 23, a heating pipe, 24, a resistance wire, 25, a heating cavity, 26, a gap, 27 and an air outlet hole.
Detailed Description
In order to make the aforementioned features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below, but the present invention is not limited thereto.
Refer to fig. 1 to 3
The utility model provides a single-point takes shape hot-air heating workstation gradually, includes baseplate 12, be provided with stay tube 7 on the baseplate, the upper end week portion of stay tube is provided with outside extension's backup pad 5, be provided with fixed plate 1 that has the installation opening in the backup pad, be provided with in the installation opening and install in the backup pad and be used for supporting the side air-out framed bent 4 of blank, the upside of side air-out framed bent is provided with rather than cooperateing and pushes down the swager of blank and construct, be provided with heating chamber 25 in the stay tube, the sub-unit connection in heating chamber has ventilation pipe 10, be provided with heating system 19 in the ventilation pipe and be connected with temperature control system, still be.
In this embodiment, side air-out frame plate layer is the rectangle cyclic annular, has clearance 26 between side air-out frame plate and the fixed plate, is provided with the exhaust vent 27 that communicates heating chamber and clearance along circumference interval on the side air-out frame plate to unnecessary heat is discharged through the exhaust vent that side air-out frame plate 4 set up and the clearance between the fixed plate, forms the air flow, makes the blank heating more even.
In this embodiment, swager constructs including setting up in side air-out deckle board upside and being annular swage plate 2 of rectangle, be provided with the quick clamping device 13 that is used for the butt on the fixed plate, quick clamping device is horizontal quick compactor to fix the blank on the fixed plate through quick clamping device.
In this embodiment, the heating system includes a blower 20 connected to a ventilation pipe, a heating pipe is disposed in an air outlet pipe of the blower, a resistance wire 24 is disposed in the heating pipe 23, and a mica heat insulation sheet 22 is sleeved outside the heating pipe, so as to heat air.
In this embodiment, a gasket 18 is arranged outside the air outlet pipe of the air blower, and a locking bolt 17 connected with the support pipe is arranged on the gasket in a penetrating manner, so that the gasket 18 is fixed on the right side of the workbench support pipe 7 through the bolt 17.
In this embodiment, the temperature control system includes a temperature controller 21 electrically connected to the resistance wire, and the fixing plate is provided with a non-contact temperature sensor 15 electrically connected to the temperature controller, so that the temperature of the blank is measured by the non-contact temperature sensor 15, and the heating temperature is controlled by the temperature controller.
In this embodiment, a ventilation plate 9 is transversely arranged in the supporting pipe, a ventilation opening connected with the air outlet end of the ventilation pipe is arranged on the ventilation plate, a grating plate 16 is covered on the upper side of the ventilation plate, and the ventilation plate is fixed on the ventilation plate through a bolt 8, so that hot air is blown onto the blank 3 from the grating plate 16 through a ventilation pipe 10 to heat the blank, and the blank 3 form heat exchange heating blank.
In this embodiment, the heat insulation structure includes a lower heat insulation plate 11 disposed at the lower end of the support tube and fixedly connected to the base plate, and side heat insulation plates 6 are respectively disposed on the inner wall of the support tube and on the upper and lower sides of the ventilation plate, so as to insulate heat of the support tube and prevent heat loss. The supporting tube is a rectangular tube so as to adapt to the shape of the blank.
The working principle is as follows: the forming tool head 14 is loaded by a milling machine, and the pressing plate 2 is pressed down on the blank 3 through the quick clamping device 13, so that the blank 3 is fixed on the side air outlet frame plate 4; in the heating process, the air blower 20 blows air, the resistance wires 24 in the heating system 19 (resistance wire air heating pipes) heat the air, the hot air is blown onto the blank 3 from the grating plates 16 through the ventilation pipes 10 to heat the blank, and the blank 3 form heat exchange to heat the blank. Meanwhile, the redundant heat is discharged through a gap between an air outlet hole arranged on the side air outlet frame plate 4 and the fixed plate to form air flow, so that the blank is heated more uniformly. The non-contact temperature sensor 15 measures the temperature of the blank, and the temperature control system 21 controls the temperature to reach the required processing temperature, so that the forming tool head 14 starts processing. During the incremental forming process, the forming tool head 14 moves on the blank 3 to deform the blank 3, and when the machining is completed, the heating device is turned off, the blower 20 is turned off, and the blank is naturally cooled. Most of the forming forces to which the blank 3 is subjected during this process are transmitted to the table arrangement via the non-forming zone.
The workbench effectively solves the problem of difficult forming of metals such as magnesium alloy, titanium alloy and the like in single-point progressive forming at normal temperature; the problems that the existing integral heating workbench is complex in design and has high requirements on the performance of a tool head are effectively solved; the problems of slow temperature rise and fall speed and unstable regulation are effectively solved; effectively solve current whole heating device and to the inhomogeneous problem of panel heating temperature distribution.
The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.
Claims (10)
1. The utility model provides a single-point takes shape hot-air heating workstation gradually, includes the bedplate, its characterized in that, be provided with the stay tube on the bedplate, the upper end week portion of stay tube is provided with the backup pad of outside extension, be provided with the fixed plate that has the installation opening in the backup pad, be provided with the side air-out deckle board of installing in the installation opening and being used for supporting the blank in the backup pad, the upside of side air-out deckle board is provided with rather than cooperateing and pushes down the swager of blank and construct, be provided with the heating chamber in the stay tube, the sub-unit connection in heating chamber has the ventilation pipe, be provided with heating system in the ventilation pipe and be.
2. The single-point incremental forming hot air heating workbench according to claim 1, wherein the side air outlet frame plate layer is rectangular and annular, a gap is formed between the side air outlet frame plate and the fixing plate, and air outlet holes communicating the heating cavity and the gap are circumferentially arranged on the side air outlet frame plate at intervals.
3. The single-point incremental forming hot air heating workbench according to claim 1 or 2, wherein the pressing mechanism comprises a pressing plate which is arranged on the upper side of the side air outlet frame plate and is rectangular and annular, and a quick clamping device for abutting against the fixing plate is arranged on the fixing plate.
4. A single point progressive forming hot air heating station as claimed in claim 3 wherein the quick clamping means is a horizontal quick clamp.
5. The single-point incremental forming hot air heating workbench according to claim 1, 2 or 4, wherein the heating system comprises an air blower connected with a ventilation pipe, a heating pipe is arranged in an air outlet pipe of the air blower, a resistance wire is arranged in the heating pipe, and a mica heat insulation sheet is sleeved outside the heating pipe.
6. The single-point incremental forming hot air heating workbench according to claim 5, wherein a gasket is arranged outside the air outlet pipe of the air blower, and a locking bolt connected with the support pipe is arranged on the gasket in a penetrating manner.
7. The single-point incremental forming hot air heating workbench according to claim 5, wherein the temperature control system comprises a temperature controller connected with a resistance wire, and a non-contact temperature sensor connected with the temperature controller is arranged on the fixing plate.
8. A single point incremental forming hot air heating table as claimed in claim 1, 2, 4, 6 or 7, wherein the supporting tube is internally and transversely provided with a ventilation plate, the ventilation plate is provided with a ventilation opening connected with the air outlet end of the ventilation tube, and the upper side of the ventilation plate is covered with a grating plate.
9. The single-point incremental forming hot air heating table as claimed in claim 8, wherein the heat insulating structure comprises a lower heat insulating plate provided at a lower end of the support pipe and fixedly connected to the base plate, and side heat insulating plates are respectively provided at upper and lower sides of the ventilation plate and at an inner wall of the support pipe.
10. A single point incremental forming hot air heating station as claimed in claim 1, wherein said support tube is a rectangular tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920887167.2U CN210131969U (en) | 2019-06-13 | 2019-06-13 | Single-point incremental forming hot air heating workbench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920887167.2U CN210131969U (en) | 2019-06-13 | 2019-06-13 | Single-point incremental forming hot air heating workbench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210131969U true CN210131969U (en) | 2020-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920887167.2U Expired - Fee Related CN210131969U (en) | 2019-06-13 | 2019-06-13 | Single-point incremental forming hot air heating workbench |
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| CN (1) | CN210131969U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102637A (en) * | 2019-06-13 | 2019-08-09 | 福州大学 | A kind of single-point progressive molding hot air workbench and its application method |
-
2019
- 2019-06-13 CN CN201920887167.2U patent/CN210131969U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102637A (en) * | 2019-06-13 | 2019-08-09 | 福州大学 | A kind of single-point progressive molding hot air workbench and its application method |
| CN110102637B (en) * | 2019-06-13 | 2023-12-08 | 福州大学 | Single-point progressive forming hot air heating workbench and application method thereof |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200310 |
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| CF01 | Termination of patent right due to non-payment of annual fee |