CN208241923U - A kind of energy-saving straight stick electric heating tube for aluminium extruded pressure cylinder - Google Patents

Abstract

The utility model discloses a kind of energy-saving straight stick electric heating tubes for aluminium extruded pressure cylinder, including pedestal, metal-back, the middle of the base installs electric heating wire, base top is provided with conducting wire contact pin, electric heating wire passes through pedestal and connect with conducting wire contact pin, one layer of crystal magnesium oxide powder is loaded in electric heating wire gap and periphery, metal-back is installed outside electric heating wire and crystal magnesium oxide powder, metal-back is fixed on the base, metal-back both sides external is fixed with several cooling fins, cooling fin is relatively fixed two-by-two, and middle part is in semi-circular, and concave surface is contacted with metal-back；The utility model structure is simple, and radiating efficiency is high, by the thermally conductive defeated heat of cooling fin, substantially increases the heat conduction efficiency of electric heating tube, heat utilization ratio is high, reaches energy-efficient purpose.

Description

A kind of energy-saving straight stick electric heating tube for aluminium extruded pressure cylinder

Technical field

The utility model relates to extrusion cylinder equipment technical field, espespecially a kind of energy-saving straight stick electricity for aluminium extruded pressure cylinder adds Heat pipe.

Background technique

With the development of industrial technology, hot extrusion technique is widely used in non-ferrous metal tubes, bar, the lines such as production aluminium, copper Material and profile.Extrusion process, which refers to, is put into extrusion cylinder for previously prepared blank, applies pressure, makes material by the opening of container It is extruded forming.Material is in and does not wait three-dimensional compressive stresses state when extruding, and strain regime is axially elongated, three-dimensional compressive stress shape State is conducive to improve material plasticity, shapes many unmanageable inductile materials or cogging, the deformation of material when extruding Amount can be very big, can accomplish an extrusion bar, and compared with other processing methods, the manufacture of extrusion die is easy, and replacement is simple, The product of small lot multi items easy to produce and the product of compound section, therefore be widely used.

Indispensable one of part is exactly electric heating tube in hot extrusion technique, and the working principle of electric heating tube is heating Silk generates heat after being powered, and transmits heat to heating target by metal shell.Since the power bracket of electric heating tube is different, make Caliber with environment difference, electric heating tube is different, so that product design and manufacturing process require also difference.Current extrusion cylinder electricity Heating tube is because of the limitation of production technology, so that the overall volume of heating tube is excessive, occupied space is big, seriously affects heating tube Electric property, and heat utilization ratio is poor, and heating efficiency is not high, causes the waste of the energy.

Utility model content

The technical problems to be solved in the utility model be the shortcomings that overcoming the prior art provide it is a kind of for aluminium extruded pressure cylinder Energy-saving straight stick electric heating tube.

In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:

The utility model provides a kind of energy-saving straight stick electric heating tube for aluminium extruded pressure cylinder, including pedestal, metal-back, bottom Electric heating wire is installed, base top is provided with conducting wire contact pin, and electric heating wire passes through pedestal and connect with conducting wire contact pin, and electricity adds in the middle part of Heated filament is wrapped in quartzy tube layer, and quartzy tube layer forms " mountain " shape structure by three root canals, and electric heating wire is wrapped in quartzy tube layer Intermediate tube wall on, and contacted with other two root canal wall, one layer of crystal magnesium oxide is loaded in electric heating wire and quartzy tube layer gap Metal-back is installed in powder, quartzy tube layer outside, and metal-back is fixed on the base, and metal-back both sides external is fixed with several cooling fins, Cooling fin is relatively fixed two-by-two, and middle part is in semi-circular, and concave surface contacts with metal-back, and cooling fin both ends are outward bending structure, and two Two opposite cooling fins form heat dissipation channel in metal-back two sides.

As a kind of optimal technical scheme of the utility model, metal-back and electric heating wire are coaxially mounted on pedestal, electricity Heater strip is spiral surrounding structure, and This structure increases the effective heating area of electric heating wire, heating effect is more preferable.

As a kind of optimal technical scheme of the utility model, ring flange, ring flange junction are directly welded on pedestal Be provided with insulation sleeve, be provided with the casing through electric heating wire wiring in the middle part of the insulation sleeve, the independence convenient for heating tube it is fixed and Installation, is replaced without the replacement with extrusion cylinder, is easy to use, and conducting wire is protected.

As a kind of optimal technical scheme of the utility model, cooling fin both ends are respectively arranged with mounting hole, two-by-two relatively The circle diameter that is surrounded of cooling fin be adapted with the diameter of metal-back, two opposite cooling fins are fixed by mounting hole On metal-back, so that cooling fin and metal-back are in close contact, heat is preferably conducted.

As a kind of optimal technical scheme of the utility model, pedestal be equipped with electric heating wire contact position and bottom it is resistance to On the other hand thermal insulation layer, the heat loss on the one hand preventing electric heating wire from generating prevent the heated damage of pedestal.

The utility model beneficial effect achieved is: the utility model structure is simple, and radiating efficiency is high, passes through cooling fin Thermally conductive defeated heat, substantially increase the heat conduction efficiency of electric heating tube, heat utilization ratio is high, reaches energy-efficient purpose.

Detailed description of the invention

Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.

In the accompanying drawings:

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is the utility model radiation fin connecting structure schematic diagram；

Fig. 3 is the utility model quartz tube layer schematic diagram of internal structure；

Figure label: 1, pedestal；2, electric heating wire；3, crystal magnesium oxide powder；4, metal-back；5, conducting wire contact pin；6, it radiates Piece；7, quartzy tube layer.

Specific embodiment

In the description of the present invention, it should be noted that the instructions such as term "vertical", "upper", "lower", "horizontal" Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation Make, therefore should not be understood as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through It is indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be according to specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.

It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.

Embodiment: as shown in Figure 1-3, the utility model provides a kind of energy-saving straight stick electric heating tube for aluminium extruded pressure cylinder Including pedestal 1, metal-back 4, electric heating wire 2 is installed in the middle part of pedestal 1, is provided with conducting wire contact pin 5 at the top of pedestal 1, electric heating wire 2 is worn It crosses pedestal 1 to connect with conducting wire contact pin 5, electric heating wire 2 is wrapped in quartzy tube layer 7, and quartzy tube layer 7 forms " mountain " by three root canals Shape structure, electric heating wire 2 are wrapped on the intermediate tube wall of quartzy tube layer 7, and are contacted with other two root canal wall, electric heating wire 2 with One layer of crystal magnesium oxide powder 3 is loaded in quartzy 7 gap of tube layer, installs metal-back 4 outside quartzy tube layer 7, metal-back 4 is fixed on bottom On seat 1,4 both sides external of metal-back is fixed with several cooling fins 6, and cooling fin 6 is relatively fixed two-by-two, and middle part is in semi-circular, concave surface It is contacted with metal-back 4,6 both ends of cooling fin are outward bending structure, and cooling fin 6 facing each other forms scattered in 4 two sides of metal-back The passage of heat.

Metal-back 4 and electric heating wire 2 are coaxially mounted on pedestal 1, and electric heating wire 2 is spiral surrounding structure, which increases The effective heating area of electric heating wire 2 is added, heating effect is more preferable.

Ring flange is directly welded on pedestal 1, ring flange junction is provided with insulation sleeve, is provided with and passes through in the middle part of the insulation sleeve The casing of 2 wiring of electric heating wire is worn, the independence convenient for heating tube is fixed and installs, and replaces without the replacement with extrusion cylinder, just In use, conducting wire is protected.

6 both ends of cooling fin are respectively arranged with mounting hole, the circle diameter and metal-back that cooling fin 6 facing each other is surrounded 4 diameter is adapted, and two opposite cooling fins 6 is fixed on metal-back 4 by mounting hole, so that cooling fin 6 and metal Shell 4 is in close contact, preferably conduction heat.

Pedestal 1 is being equipped with heat-resistant insulating layer with 2 contact position of electric heating wire and bottom, on the one hand prevents electric heating wire 2 from producing On the other hand raw heat loss prevents the heated damage of pedestal 1.

Working principle: the heating conduction and insulation performance of crystal magnesium oxide powder 3 are good, and the thermal efficiency is high, and fever uniformly, is led After line contact pin 5 is powered, there is electric current to pass through in electric heating wire 2, the heat of generation, to 4 diffusion into the surface of metal-back, is dissipated by magnesia powder 6 both ends of backing are outward bending structure, and cooling fin 6 facing each other forms heat dissipation channel in 4 two sides of metal-back, and cooling fin 6 will The heat of metal-back 4 is transmitted in extrusion cylinder by heat dissipation channel, achievees the purpose that heating.

6 both ends of cooling fin are outward bending structure, and cooling fin 6 facing each other forms heat dissipation channel in 4 two sides of metal-back, When the structure is applied to the heating tube in extrusion cylinder, between the heating tube of adjacent installation, the bent outward at 6 both ends of cooling fin Folded structure is opposite, forms a complete heat dissipation channel, can more efficiently conduct the heat that electric heating wire 2 generates to extruding In cylinder, the utilization efficiency of heat is improved；Metal-back 4 and electric heating wire 2 are coaxially mounted on pedestal 1, and electric heating wire 2 is helical ring Around structure, This structure increases the effective heating area of electric heating wire 2, heating effect is more preferable；Flange is directly welded on pedestal 1 Disk, ring flange junction are provided with insulation sleeve, are provided with the casing through 2 wiring of electric heating wire in the middle part of the insulation sleeve, convenient for adding The independence of heat pipe is fixed and installs, and replaces without the replacement with extrusion cylinder, is easy to use, and protects conducting wire；6 both ends of cooling fin point It is not provided with mounting hole, the circle diameter that cooling fin 6 facing each other is surrounded is adapted with the diameter of metal-back 4, passes through peace Two opposite cooling fins 6 are fixed on metal-back 4 by dress hole, so that cooling fin 6 and metal-back 4 are in close contact, are preferably passed Heat conduction amount；Pedestal 1 is being equipped with heat-resistant insulating layer with 2 contact position of electric heating wire and bottom, on the one hand prevents electric heating wire 2 from generating Heat loss, on the other hand prevent the heated damage of pedestal 1.

The utility model structure is simple, and radiating efficiency is high, by the thermally conductive defeated heat of cooling fin 6, substantially increases electric heating The heat conduction efficiency of pipe, heat utilization ratio is high, reaches energy-efficient purpose.

Finally, it should be noted that the above is only the preferred embodiment of the utility model, it is not limited to practical It is novel, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc. With replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all include It is within the protection scope of the utility model.

Claims (5)

1. a kind of energy-saving straight stick electric heating tube for aluminium extruded pressure cylinder, which is characterized in that including pedestal (1), metal-back (4), Electric heating wire (2) are installed in the middle part of pedestal (1), are provided with conducting wire contact pin (5) at the top of pedestal (1), electric heating wire (2) passes through pedestal (1) it is connect with conducting wire contact pin (5), electric heating wire (2) is wrapped on quartzy tube layer (7), and quartzy tube layer (7) is made of three root canals " mountain " shape structure, electric heating wire (2) are wrapped on the intermediate tube wall of quartzy tube layer (7), and are contacted with other two root canal wall, electricity One layer of crystal magnesium oxide powder (3) is loaded in heater strip (2) and quartzy tube layer (7) gap, installs metal-back outside quartzy tube layer (7) (4), metal-back (4) is fixed on pedestal (1), and metal-back (4) both sides external is fixed with several cooling fins (6), cooling fin (6) two Two is relatively fixed, and middle part is in semi-circular, and concave surface is contacted with metal-back (4), and cooling fin (6) both ends are outward bending structure, two-by-two Opposite cooling fin (6) forms heat dissipation channel in metal-back (4) two sides.

2. a kind of energy-saving straight stick electric heating tube for aluminium extruded pressure cylinder according to claim 1, which is characterized in that metal Shell (4) and electric heating wire (2) are coaxially mounted on pedestal (1), and electric heating wire (2) is spiral surrounding structure.

3. a kind of energy-saving straight stick electric heating tube for aluminium extruded pressure cylinder according to claim 1, which is characterized in that pedestal (1) ring flange is directly welded on, ring flange junction is provided with insulation sleeve, is provided in the middle part of the insulation sleeve through electric heating wire (2) casing of wiring.

4. a kind of energy-saving straight stick electric heating tube for aluminium extruded pressure cylinder according to claim 1, which is characterized in that heat dissipation Piece (6) both ends are respectively arranged with mounting hole, and the circle diameter that cooling fin (6) facing each other is surrounded is straight with metal-back (4) Diameter is adapted.

5. a kind of energy-saving straight stick electric heating tube for aluminium extruded pressure cylinder according to claim 1, which is characterized in that pedestal (1) heat-resistant insulating layer is being installed with electric heating wire (2) contact position and bottom.