CN207839632U - A kind of continuous extruder with cooling device outside extruding wheel - Google Patents
A kind of continuous extruder with cooling device outside extruding wheel Download PDFInfo
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- CN207839632U CN207839632U CN201820081655.XU CN201820081655U CN207839632U CN 207839632 U CN207839632 U CN 207839632U CN 201820081655 U CN201820081655 U CN 201820081655U CN 207839632 U CN207839632 U CN 207839632U
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Abstract
The utility model is related to extrusion production devices, and in particular to the extrusion production device of the nonferrous metal products such as copper, aluminium, magnesium and its alloy.Propose a kind of continuous extruder with cooling device outside extruding wheel, ring-shaped groove is provided in extruding wheel, the periphery of extruding wheel is set gradually along its direction of rotation to be useful for compressing the compact wheel for being extruded metallic rod material, cavity with circular arc sealing surface and the scraper for clearing up extruding wheel outer surface, the periphery of the extruding wheel is provided with cooling block, it is provided with arc surface on the inside of cooling block, the outer surface of the arc surface and extruding wheel is in close contact and opposite can slide, cooling block is internally provided with cooling duct, the cooling medium of flowing is connected in cooling duct.The utility model squeezes wheel outer surface using the cooling block with arc surface come directly cooling, can effectively reduce the temperature for squeezing wheel outer surface, be conducive to improve continuously extruded production efficiency and extend the service life of extruding wheel.
Description
Technical field
The utility model is related to extrusion production devices, and in particular to the nonferrous metal products such as copper, aluminium, magnesium and its alloy squeeze
Press production equipment.
Background technology
Continual extruding technology is known as a revolution of non-ferrous metals processing technology, has been rapidly developed since birth.
A continuously extruded core technology is how to control extruding temperature, with the product for obtaining high quality and low production cost.
The extruding wheel of continuous extruder due to metal stock friction, at work have very high temperature, in order to control
Temperature is squeezed, uses the inner surface water flowing to extruding wheel cooling extruding wheel or the appearance of side roller in extruding wheel both sides at present
The direct water drenching cooling in face.
In the inside water flowing cooling of extruding wheel, the inside and outside temperature difference can be caused larger, temperature stress can cause extruding wheel to be easy to hold
It splits, simultaneously because the heat source of extruding wheel is the outer surface of the groove and extruding wheel in extruding wheel, therefore cooling medium is apart from heat source
Farther out with high-temperature area, bad to the outer surface of extruding wheel and extruding wheel groove cooling effect, cause the extruding wheel service life not high.Together
When extruder also because of temperature limiting, it has to limit the running speed of extruding wheel, therefore but also extruder production efficiency by
To limitation.
If using in the direct water drenching in the outer surface of side roller, although can effectively reduce the inside and outside temperature difference of extruding wheel and carry
The service life of high extruding wheel, but since vapor can condense in bar material surface so that product easy tos produce bubble formation product
Mass defect, while being also easy to cause equipment component and corrosion occurs.
Invention content
The utility model is in order to solve the extruding wheel cooling technology problem of continuous extruder, using with the cold of arc surface
But block squeezes wheel outer surface directly to cool down, and can effectively reduce the temperature for squeezing wheel outer surface, can be by continuously extruded life
Production efficiency improves 50% or more and extends the service life of extruding wheel, saves energy consumption, reduces production cost.
To achieve the above object, the technical solution adopted in the utility model is：It proposes a kind of with cold outside extruding wheel
But the continuous extruder of device is provided with ring-shaped groove in extruding wheel, and the periphery of extruding wheel is set successively along its direction of rotation
It is equipped with for compressing the compact wheel for being extruded metallic rod material, the cavity with circular arc sealing surface and for clearing up extruding wheel appearance
The periphery of the scraper in face, the extruding wheel is provided with cooling block, is provided with arc surface on the inside of cooling block, the arc surface and extruding wheel
Outer surface be in close contact and can opposite sliding, cooling block be internally provided with cooling duct, flowing is connected in cooling duct
Cooling medium.
The cooling block keeps its inner arc face to be in close contact with extruding wheel wheel outer surface by elastic element, elasticity member
Part one end is fixed, and is connect on the outside of the other end and cooling block.
The elastic element is cylindrical compression spring.
The radius of the cooling block arc surface is identical as the radius of extruding wheel.
The cooling block is mounted on behind compact wheel at the position of cavity side.
The cooling block is mounted at the position between compact wheel and scraper.
The cooling block has two groups, be separately mounted at the position between compact wheel and scraper and compact wheel and cavity it
Between at position.
The cooling block is made using graphite material.
The cooling medium is water, emulsion or cooling oil.
The inner surface of the extruding wheel is provided with water flowing cooling device.
The beneficial effects of the utility model are embodied in：
（1）On the extruding wheel outer surface after being cleared up by scraper, it is provided with and squeezes the cold of wheel outer surface close contact
But block cools down extruding wheel, keeps the arc surface of cooling block and the outer surface of extruding wheel to be in close contact by elastic element, cooling
Cooling duct is carried inside block, cooling medium flows into cooling duct by import, flowed back to through outlet, and cooling medium is in cooling duct
It is interior that cooling block is cooled down, then extruding wheel is cooled down by cooling block.Simultaneously water flowing cooling is carried out inside extruding wheel.It is cold
But block is directly cooling squeezes wheel outer surface, reduces the temperature for squeezing wheel outer surface, while internal water flowing is to extruding wheel inner surface
It is cooled down, the surfaces externally and internally of extruding wheel can be cooled down simultaneously, and internal-external temperature difference is small, be conducive to the work for improving extruding wheel
The service life of the production efficiency and extruding wheel of rotating speed and then raising extruder.
（2）Cooling block is that inside carries arc surface identical with extruding wheel radius, which leads to when extruder works
Cross elastic element make cooling block arc surface with squeeze wheel outer surface keep be in close contact, while can extruding wheel radial direction from
By sliding.
（3）Cooling block is mounted on the position after scraper is cleared up, first being squeezed extruding wheel surface adhesion with scraper
It presses metal cleaning clean, to keep cooling block to be contacted well with wheel face, ensures that cooling block has good cooling to extruding wheel
Effect.Cooling block can be mounted on the position after compact wheel between cavity, i.e., cooling block is mounted within shoe, Ke Yiyou
Effect utilizes space, increases the contact area of cooling block and extruding wheel, improves cooling effect；Cooling block also can be mounted on compact wheel with
At position between scraper；Or after compact wheel cooling block is installed between cavity and between compact wheel and scraper simultaneously, with
Reach better cooling effect.
（4）Cooling stock material uses the good graphite material of thermal conductivity, using graphite material as one side of cooling block of material
When squeezing foot wheel abrasion, graphite can synthesize the shape completely the same with wheel outer surface is squeezed with automatic grinding, be conducive to heat biography in face
Cooling block is led, on the other hand, wear the graphite powder to get off has good lubricating action to squeezing wheel outer surface, can reduce
The frictional heat for squeezing wheel outer surface generates.Elastic element applies appropriate pressure to cooling block, ensures cooling block arc surface and squeezes
Pinch roller outer surface well contacts, while when squeezing foot wheel abrasion, and cooling block arc surface can be coupled to automatically squeezes wheel outer surface
Shape.
To sum up, the utility model is conducive to the production for significantly improving continuous extruder under the premise of ensureing product quality
Efficiency, while the service life of extruding wheel may make to be greatly improved.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 cooling block enlarged drawings；
Fig. 3 is cooling block and extruding wheel position relationship sectional view.
In figure, 1- actinobacillus devices, the first cooling blocks of 2-, 3- scrapers, 4- extruding wheels, 5- cavitys, 6- molds, 7-, which is squeezed, to be produced
Product, 8- elastic elements, the second cooling blocks of 9-, 10- compact wheels, 11- pretreatment units, 12- bar material, the outlets 13-, 14- imports,
The cooling ducts 15-, 16- extruding wheel grooves, 17- squeeze wheel outer surface, 18- cooling block inner surfaces, 19- extruding wheel inner surfaces, 20-
Material blocking block.
Specific implementation mode
Below in conjunction with the accompanying drawings, the utility model is specifically described.
Embodiment 1：
Continuous extruder with cooling device outside extruding wheel as shown in Figure 1, bar material 12 are placed on actinobacillus device 1,
Bar material 12 enters extruding wheel groove 16 after pretreatment unit 11 by compact wheel 10, and bar material 12 rubs in extruding wheel groove 16
Enter cavity 5 under the driving of power, product 7 is squeezed by the mold 6 in cavity 5, squeezes wheel outer surface 17 and rotate out of
After cavity 5, by scraper 3 by squeeze that wheel outer surface 17 adheres to be extruded metal cleaning clean, keep squeezing wheel outer surface 17
It is smooth, on the extruding wheel outer surface 17 after the cleaning of scraper 3, it is provided with two groups be in close contact with extruding wheel outer surface 17
Cooling block cools down extruding wheel, and the first cooling block 2 is mounted between compact wheel 10 and scraper 3, and the second cooling block 9 is mounted on
Behind compact wheel 10 at the position of 5 side of cavity.Cooling duct 15 is carried inside cooling block, cooling medium passes through import 14
Cooling duct 15 is flowed into, is flowed back to through outlet 13, cooling medium is in cooling duct 15 to the first cooling block 2 or the second cooling block 9
It is cooled down, then extruding wheel 4 is cooled down by the first cooling block 2 or the second cooling block 9.As shown in Fig. 2, table in cooling block
Face 18 is arc surface, and the radius of arc surface is identical as the radius of extruding wheel, by elastic element 8 keep the first cooling block 2 and
The arc surface of second cooling block 9 and the outer surface 17 of extruding wheel are in close contact, and can be free to slide in 4 radial direction of extruding wheel.
As shown in figure 3, being equipped with cooling duct 15 in the first cooling block 2 and the second cooling block 9, there is the cooling of flowing to be situated between in cooling duct 15
Confrontation cooling block is cooled down, and cooling medium is water, emulsion, cooling oil etc., preferably water.At the same time, extruding wheel inner surface
19 carry out water flowing cooling.
First cooling block 2 or 9 material of the second cooling block are the good graphite material of thermal conductivity.Using graphite material as
On the one hand when squeezing wheel outer surface 17 and wearing, graphite can be synthesized and be squeezed with automatic grinding for one cooling block 2 or the second cooling block 9 material
The completely the same shape in pinch roller outer surface 17 is conducive to heat and passes to the first cooling block 2 or the second cooling block 9, on the other hand,
The graphite powder worn has good lubricating action to squeezing wheel outer surface 17, can reduce and squeeze rubbing for wheel outer surface 17
Chafing amount generates.
Appropriate pressure is applied to cooling block 2 or cooling block 9 using elastic element 8, ensures cooling block inner surface 18 and squeezes
Wheel outer surface 17 well contacts, while when squeezing the abrasion of wheel outer surface 17, cooling block inner surface 18 can be coupled to extruding automatically
The shape of wheel outer surface.Wherein, elastic element 8 is the element with favorable elasticity such as spring, rubber, and preferably cylinder compresses bullet
Spring.
Cavity 5 carries material blocking block 20, and material blocking block is deep into extruding wheel groove 16, and mold 6 is equipped in cavity 5.
Scraper 3 is used to clear up the metal that is extruded for squeezing the adherency of wheel outer surface 17, and holding extruding wheel outer surface 17 is smooth, really
It protects cooling block inner surface 18 and is well contacted with wheel outer surface 17 is squeezed, while the abrasion of cooling block can be mitigated, before 3 position of scraper
After can be adjusted.
Embodiment 2：
The basic phase of structure with the continuous extruder and embodiment 1 of cooling device outside extruding wheel in the present embodiment
Together, the difference is that：Cooling block has one group, at the position being arranged between compact wheel 10 and scraper 3.
Embodiment 3：
The basic phase of structure with the continuous extruder and embodiment 1 of cooling device outside extruding wheel in the present embodiment
Together, the difference is that：Cooling block has one group, is mounted on the position between cavity 5 after compact wheel 10, i.e., pacifies cooling block
Within shoe, space can be efficiently used, increases the contact area of cooling block and extruding wheel, improves cooling effect.
Embodiment 4：
On TLJ300 continuous extruders, a diameter of 290mm of extruding wheel, using copper bar is drawn on diameter 12.5mm, using stone
Ink material manufactures a cooling block, and cooling water is led in cooling block, and cooling block keeps cooling block inner arc surface and compressive plane with spring
Outer surface fits closely, and actual measurement squeezes wheel outer surface and declines 80 DEG C, and the rotating speed of extruding wheel is increased to 17rpm from original 8rpm,
Yield is increased to 680kg/h from original 320kg/h, and yield increases by 125%.
Claims (10)
1. a kind of continuous extruder with cooling device outside extruding wheel, it is provided with ring-shaped groove in extruding wheel, extruding wheel
Periphery, which sets gradually to be useful for compressing along its direction of rotation, is extruded the compact wheel of metallic rod material, with circular arc sealing surface
Cavity and for clear up squeeze wheel outer surface scraper, it is characterised in that：The periphery of the extruding wheel is provided with cooling block, cold
But it is provided with arc surface on the inside of block, the outer surface of the arc surface and extruding wheel is in close contact and opposite can slide, cooling block
It is internally provided with cooling duct, the cooling medium of flowing is connected in cooling duct.
2. a kind of continuous extruder with cooling device outside extruding wheel according to claim 1, it is characterised in that：Institute
State cooling block keeps its inner arc face to be in close contact with extruding wheel wheel outer surface by elastic element, and elastic element one end is solid
It is fixed, it is connect on the outside of the other end and cooling block.
3. a kind of continuous extruder with cooling device outside extruding wheel according to claim 2, it is characterised in that：Institute
It is cylindrical compression spring to state elastic element.
4. a kind of continuous extruder with cooling device outside extruding wheel according to claim 1, it is characterised in that：Institute
The radius for stating cooling block arc surface is identical as the radius of extruding wheel.
5. a kind of continuous extruder with cooling device outside extruding wheel according to claim 1, it is characterised in that：Institute
Cooling block is stated to be mounted on behind compact wheel at the position of cavity side.
6. a kind of continuous extruder with cooling device outside extruding wheel according to claim 1, it is characterised in that：Institute
It states at the position that cooling block is mounted between compact wheel and scraper.
7. a kind of continuous extruder with cooling device outside extruding wheel according to claim 1, it is characterised in that：Institute
Stating cooling block has two groups, is separately mounted at the position between compact wheel and scraper and between compact wheel and cavity at position.
8. a kind of continuous extruder with cooling device outside extruding wheel according to claim 1, it is characterised in that：Institute
Cooling block is stated to be made using graphite material.
9. according to a kind of any continuous extruders with cooling device outside extruding wheel of claim 1-8, feature
It is：The cooling medium is water, emulsion or cooling oil.
10. according to a kind of any continuous extruders with cooling device outside extruding wheel of claim 1-8, feature
It is：The inner surface of the extruding wheel is provided with water flowing cooling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820081655.XU CN207839632U (en) | 2018-01-18 | 2018-01-18 | A kind of continuous extruder with cooling device outside extruding wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820081655.XU CN207839632U (en) | 2018-01-18 | 2018-01-18 | A kind of continuous extruder with cooling device outside extruding wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207839632U true CN207839632U (en) | 2018-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820081655.XU Active CN207839632U (en) | 2018-01-18 | 2018-01-18 | A kind of continuous extruder with cooling device outside extruding wheel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108097732A (en) * | 2018-01-18 | 2018-06-01 | 大连康丰科技有限公司 | A kind of continuous extruder with cooling device outside extruding wheel |
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2018
- 2018-01-18 CN CN201820081655.XU patent/CN207839632U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108097732A (en) * | 2018-01-18 | 2018-06-01 | 大连康丰科技有限公司 | A kind of continuous extruder with cooling device outside extruding wheel |
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