CN111438216A - Extrusion forming equipment for blades of radial flow fan - Google Patents
Extrusion forming equipment for blades of radial flow fan Download PDFInfo
- Publication number
- CN111438216A CN111438216A CN202010489087.9A CN202010489087A CN111438216A CN 111438216 A CN111438216 A CN 111438216A CN 202010489087 A CN202010489087 A CN 202010489087A CN 111438216 A CN111438216 A CN 111438216A
- Authority
- CN
- China
- Prior art keywords
- feeding pipe
- plate
- die
- flow fan
- fixing plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 22
- 238000003825 pressing Methods 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000005485 electric heating Methods 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 239000002994 raw material Substances 0.000 abstract description 10
- 238000003754 machining Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 description 13
- 239000002184 metal Substances 0.000 description 13
- 229910000838 Al alloy Inorganic materials 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 238000009413 insulation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/14—Making other products
- B21C23/16—Making turbo blades or propellers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C29/00—Cooling or heating work or parts of the extrusion press; Gas treatment of work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C29/00—Cooling or heating work or parts of the extrusion press; Gas treatment of work
- B21C29/003—Cooling or heating of work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C29/00—Cooling or heating work or parts of the extrusion press; Gas treatment of work
- B21C29/04—Cooling or heating of press heads, dies or mandrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C33/00—Feeding extrusion presses with metal to be extruded ; Loading the dummy block
- B21C33/02—Feeding extrusion presses with metal to be extruded ; Loading the dummy block the metal being in liquid form
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an extrusion forming device for blades of a radial flow fan. A heating pipe is arranged in a movable mould plate, the middle part of the movable mould plate is connected with the lower part of a feeding pipe, the lower end of the feeding pipe penetrates through a pressing plate, the upper part of the feeding pipe is arranged in an upper fixed mould seat, a hydraulic cylinder is arranged in the upper fixed mould seat and connected with a guide rod, and the feeding pipe is connected with the movable mould plate. The invention has the advantages of ensuring the quality of the pressed blade, high dimensional accuracy of the pressed blade, small machining allowance and good surface finish, reducing the production cost by pressing a plurality of blades at one time, having good consistency of the weight and the thickness of the blade, eliminating the influence factor of the dynamic balance of the fan, reducing noise, improving the comfort of the environment in a carriage, reducing the production of extrusion waste, saving raw materials, along with simple operation and great flexibility.
Description
Technical Field
The invention relates to the technical field of processing equipment of a radial flow fan, in particular to extrusion forming equipment for a blade of the radial flow fan.
Background
The radial flow fan is used in ventilation and air exchange of public transport means, such as subway, train, high-speed railway, bus, etc. and aims at improving the through flow circulation of air inside the transport means and making human body feel comfortable. The mass flow fan blade is an important component of the fan assembly, and the weight and the uniformity of the thickness in the axial direction of the blade affect the comfort of the environment in the whole carriage. At present, the blades of the radial flow fan are usually manufactured by directly machining blanks, the blade forming method has the disadvantages of high material and energy consumption and high production cost, and simultaneously, the consistency of the weight and the thickness of a product is difficult to meet, the dynamic balance state of a fan of the radial flow fan in the operation is influenced, the vibration and the noise of the whole radial flow fan are increased, and the environment in a carriage is uncomfortable.
Disclosure of Invention
The invention aims to provide an extrusion forming device for a blade of a radial flow fan. The invention has the advantages of ensuring the quality of the pressed blade, high dimensional accuracy of the pressed blade, small machining allowance and good surface finish, reducing the production cost by pressing a plurality of blades at one time, having good consistency of the weight and the thickness of the blade, eliminating the influence factor of the dynamic balance of the fan, reducing noise, improving the comfort of the environment in a carriage, reducing the production of extrusion waste, saving raw materials, along with simple operation and great flexibility.
The technical scheme of the invention is as follows: the utility model provides a side-stream fan blade extrusion equipment, including two upper and lower die holders, two die holders pass through the leg joint, be equipped with the inflator on the die holder of below, the both ends swing joint branch of inflator, branch swing joint guide pillar fixed plate, the middle part connecting spring of guide pillar fixed plate, the spring coupling inflator, the guide pillar fixed plate is connected to the guide pillar fixed plate, the tip passes through the guide pillar and connects the movable mould board about the mold core fixed plate, the clamp plate is connected to the bottom surface of movable mould board, be equipped with the type groove between clamp plate and the mold core fixed plate, be equipped with the heating pipe in the movable mould board, the lower part of inlet pipe is connected at the middle part of movable mould board, the lower extreme of inlet pipe passes the clamp plate, the upper portion of.
In the extrusion forming device for the blades of the radial flow fan, the feed pipe is sleeved with an electric heating block, and an electric heating wire is arranged in the electric heating block.
In the extrusion forming equipment for the blades of the radial flow fan, the feeding pipe and the electric heating block are sleeved with the heat insulation layers.
In the extrusion forming equipment for the blades of the radial flow fan, the sealing ring is sleeved on the feeding pipe and is arranged at the joint of the feeding pipe and the movable template.
In the extrusion forming equipment for the blades of the radial flow fan, a lining is arranged between the feeding pipe and the sealing ring and arranged on the feeding pipe.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention designs the heating pipe, the electric heating block, the electric heating wire and the heat-insulating layer, and the heating pipe, the electric heating block, the electric heating wire and the heat-insulating layer are arranged on the blade, so that the blade has the effect of insulating the raw material molten metal, and the fluidity of the raw material molten metal is better when the blade is pressed. In the pressing process, the molten metal cannot be solidified in the feeding pipe and the groove, so that the molten metal keeps proper viscosity, and the pressing quality of the blade is ensured. Therefore, the pressed blade has the advantages of high dimensional precision, small machining allowance and good surface finish. The high-precision pressing also enables the invention to eliminate the problem of consistency of the weight and the thickness of each blade, thereby eliminating the influence factors of the dynamic balance of the fan, reducing noise and improving the comfort of the environment in a carriage. Meanwhile, the design of the invention can also reduce the production of extrusion waste and save raw materials.
2. The invention can produce various sectional materials only by replacing the die core fixing plate and the pressing plate die, has simple operation and great flexibility, can press a plurality of blades at one time by the die core fixing plate and the pressing plate, and has higher efficiency and lower production cost compared with a mechanical processing production mode.
3. The blade extrusion die can extrude the blade through the guide rod, the hydraulic cylinder, the feeding pipe, the movable die holder, the fixed die holder, the die core fixing plate and other structures, and can operate by adding metal liquid and controlling the hydraulic cylinder during operation, so that the operation is simpler and more convenient. The invention optimizes the die structure and simplifies the complicated problem of the prior operation.
4. The invention carries out extrusion operation through the hydraulic cylinder, and the hydraulic cylinders are respectively arranged at the left part and the right part of the movable template, so that the pre-stressing consistency of each blade between the movable template and the die core fixing plate during the molding can be ensured, and the simplicity and the consistency of the blade pressing are realized.
In summary, the following steps: the invention has the advantages of ensuring the quality of the pressed blade, high dimensional accuracy of the pressed blade, small machining allowance and good surface finish, reducing the production cost by pressing a plurality of blades at one time, having good consistency of the weight and the thickness of the blade, eliminating the influence factor of the dynamic balance of the fan, reducing noise, improving the comfort of the environment in a carriage, reducing the production of extrusion waste, saving raw materials, along with simple operation and great flexibility.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a feed tube and its connection.
The labels in the figures are: 1-movable mould plate, 2-mould core fixing plate, 3-guide column fixing plate, 4-fixed mould base, 5-shaped groove, 6-pressing plate, 7-supporting rod, 8-air cylinder, 9-spring, 10-sealing ring, 11-heating pipe, 12-guide column, 13-bracket, 14-hydraulic cylinder, 15-feeding pipe, 16-guide rod, 17-electric heating block, 18-heat preservation layer, 19-electric heating wire and 20-lining.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
The embodiment is an extrusion molding device for blades of a radial flow fan, which is shown in a figure 1-2 and comprises an upper fixed die holder 4 and a lower fixed die holder 4, wherein the two fixed die holders 4 are connected through a bracket 13, an air cylinder 8 is arranged on the lower fixed die holder 4, two ends of the air cylinder 8 are movably connected with a support rod 7, the support rod 7 is movably connected with a guide post fixing plate 3, the middle part of the guide post fixing plate 3 is connected with a spring 9, the spring 9 is connected with the air cylinder 8, the guide post fixing plate 3 is connected with a die core fixing plate 2, the left end part and the right end part of the die core fixing plate 2 are connected with a movable die plate 1 through guide posts 12, the bottom surface of the movable die plate 1 is connected with a pressing plate 6, a groove 5 is arranged between the pressing plate 6 and the die core fixing plate 2, a heating pipe 11 is arranged in the movable die plate 1, the lower part of the movable die plate 1 is connected with the lower part of a feeding pipe 15, the lower end of the feeding pipe 15 penetrates through the pressing plate 6, the upper part of the fixed die holder 4 above is provided with a hydraulic cylinder 14, the hydraulic cylinder.
The die core fixing plate 2 and the pressing plate 6 are corresponding to each other up and down, and a plurality of blades can be extruded at one time in the groove 5.
The spring 9 has a buffering effect on the whole die assembly, so that the service life of the die can be prolonged.
As can be seen from fig. 1, two support rods 7, two hydraulic cylinders 14, two guide rods 16, two guide columns 12, and two brackets 13 are provided, and are arranged in bilateral symmetry.
The movable template 1 and the feeding pipe 15 are heated by the heating pipe 11, and in the continuous forming operation, the raw material metal liquid is always in an uncured flowing state, so that the proper viscosity is kept, the uniformity of the axial thickness of the blade is ensured, and the unbalance influence generated when the radial flow fan motor drives the fan to rotate is eliminated.
The feeding pipe 15 is sleeved with an electric heating block 17, an electric heating wire 19 is arranged in the electric heating block 17, the electric heating wire 19 and the electric heating block 17 are electrified to heat and heat the raw material molten metal and keep the temperature, so that the fluidity of the raw material molten metal is ensured, the preferred model of the electric heating block 17 is WT L-14 YO137, and the preferred model of the electric heating wire 19 is 26 GA.
The feed pipe 15 and the electric heating block 17 are externally sleeved with a heat insulation layer 18. The heat-insulating layer 18 has the effect of insulating the raw materials in the feed pipe 15, reducing heat loss and maintaining the fluidity of the molten metal.
The sealing ring 10 is sleeved on the feeding pipe 15 and arranged at the joint of the feeding pipe 15 and the movable mould plate 1.
A lining 20 is arranged between the feeding pipe 15 and the sealing ring 10, and the lining 20 is arranged on the feeding pipe 15.
From the viewpoint of weight reduction of the fan blade material, it is preferable to use an aluminum alloy that is lightweight, has high specific strength, and is excellent in workability. The three-dimensional stress on the aluminum alloy with poor deformability is stronger than that of mechanical processing when the aluminum alloy is extruded and formed, the alloy grains are refined, and the strength and the plasticity can be improved.
When the aluminum alloy mold is used, the hydraulic cylinder 14 drives the movable mold plate 1 and the pressing plate 6 to simultaneously press the movable mold plate 1 and the mold core fixing plate 2 downwards, meanwhile, the sealing ring 10, the electric heating block 17, the heat insulation layer 18 and the electric heating wire 19 work, aluminum alloy metal liquid is fed from the feeding pipe 15 and flows into the mold cavity 5, the aluminum alloy metal liquid is kept in a constant temperature state through the heating pipe 11, the whole mold cavity 5 is filled with the aluminum alloy metal liquid, the hydraulic cylinder 14 is started at the moment, the movable mold plate 1 is driven to move towards the mold core fixing plate 2 along the guide pillar 12 through the guide rod 16, the heating pipe 11 is heated in the process to ensure the fluidity of the metal liquid, the movable mold plate 1 is driven to continuously move towards the mold core fixing plate 2, at the moment, the whole mold core is driven. And the strut 7 is a part for maintaining the weight of the entire core; the gas cylinder 8 is a member for providing a force to the rod 7.
Claims (5)
1. The utility model provides a radial fan blade extrusion equipment which characterized in that: the die comprises an upper die holder (4) and a lower die holder (4), wherein the two die holders (4) are connected through a support (13), an air cylinder (8) is arranged on the lower die holder (4), two ends of the air cylinder (8) are movably connected with supporting rods (7), the supporting rods (7) are movably connected with a guide pillar fixing plate (3), the middle part of the guide pillar fixing plate (3) is connected with a spring (9), the spring (9) is connected with the air cylinder (8), the guide pillar fixing plate (3) is connected with a die core fixing plate (2), the left end part and the right end part of the die core fixing plate (2) are connected with a movable die plate (1) through guide pillars (12), the bottom surface of the movable die plate (1) is connected with a pressing plate (6), a groove (5) is arranged between the pressing plate (6) and the die core fixing plate (2), a heating pipe (11), the upper part of the feeding pipe (15) is arranged in the fixed die base (4) above, a hydraulic cylinder (14) is arranged in the fixed die base (4) above, the hydraulic cylinder (14) is connected with a guide rod (16), and the feeding pipe (15) is connected with the movable die plate (1).
2. The axial flow fan blade extrusion apparatus of claim 1, wherein: the feeding pipe (15) is sleeved with an electric heating block (17), and an electric heating wire (19) is arranged in the electric heating block (17).
3. The axial flow fan blade extrusion apparatus of claim 2, wherein: the feeding pipe (15) and the electric heating block (17) are sleeved with a heat-insulating layer (18).
4. The axial flow fan blade extrusion apparatus of claim 1, wherein: the sealing ring (10) is sleeved on the feeding pipe (15) and is arranged at the joint of the feeding pipe (15) and the movable die plate (1) and the sealing ring (10).
5. The axial flow fan blade extrusion apparatus of claim 4, wherein: be equipped with bush (20) between inlet pipe (15) and sealing washer (10), bush (20) are located on inlet pipe (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010489087.9A CN111438216A (en) | 2020-06-02 | 2020-06-02 | Extrusion forming equipment for blades of radial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010489087.9A CN111438216A (en) | 2020-06-02 | 2020-06-02 | Extrusion forming equipment for blades of radial flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111438216A true CN111438216A (en) | 2020-07-24 |
Family
ID=71650371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010489087.9A Pending CN111438216A (en) | 2020-06-02 | 2020-06-02 | Extrusion forming equipment for blades of radial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111438216A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87212576U (en) * | 1987-12-12 | 1988-08-24 | 陈珊山 | Die for heat-extruding wire at thermostatic |
| JP3152653U (en) * | 2009-05-28 | 2009-08-06 | 宇部テクノエンジ株式会社 | Extrusion press equipment |
| WO2012086638A1 (en) * | 2010-12-21 | 2012-06-28 | 昭和電工株式会社 | Forging device |
| CN202366979U (en) * | 2011-11-09 | 2012-08-08 | 高旭东 | Coil extrusion forming die |
| CN105149375A (en) * | 2015-09-23 | 2015-12-16 | 江苏大学 | Supercharged multichannel pipe divergent die composite die core |
| CN207657095U (en) * | 2017-12-29 | 2018-07-27 | 东莞市鸿凯盛塑胶五金制品有限公司 | A kind of thermoplastic material coforming mold |
| CN208529549U (en) * | 2018-06-05 | 2019-02-22 | 扬州三维光学材料有限公司 | Production mould is used in a kind of molding of sheet extrusion |
-
2020
- 2020-06-02 CN CN202010489087.9A patent/CN111438216A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87212576U (en) * | 1987-12-12 | 1988-08-24 | 陈珊山 | Die for heat-extruding wire at thermostatic |
| JP3152653U (en) * | 2009-05-28 | 2009-08-06 | 宇部テクノエンジ株式会社 | Extrusion press equipment |
| WO2012086638A1 (en) * | 2010-12-21 | 2012-06-28 | 昭和電工株式会社 | Forging device |
| CN202366979U (en) * | 2011-11-09 | 2012-08-08 | 高旭东 | Coil extrusion forming die |
| CN105149375A (en) * | 2015-09-23 | 2015-12-16 | 江苏大学 | Supercharged multichannel pipe divergent die composite die core |
| CN207657095U (en) * | 2017-12-29 | 2018-07-27 | 东莞市鸿凯盛塑胶五金制品有限公司 | A kind of thermoplastic material coforming mold |
| CN208529549U (en) * | 2018-06-05 | 2019-02-22 | 扬州三维光学材料有限公司 | Production mould is used in a kind of molding of sheet extrusion |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200724 |