TWI626095B - Aluminum extrusion machine heating device - Google Patents

Abstract

Aluminium extrusion machine heating device, which refers to a heating device for an aluminum ingot or aluminum strip before extrusion, comprising a heating portion and a plurality of thermal energy portions, the heating portion having a passage for transmitting the heat transfer passage of the aluminum ingot or the aluminum strip The plurality of thermal energy portions are looped over the outer diameter wall of the heating portion and tightly covering the heating portion, and the plurality of thermal energy portions are provided with a transmission electric portion for energizing the thermal energy portion to be heated, thereby After the heat energy portion is heated, the heat energy is transmitted to the heating portion, whereby the heating portion increases the temperature to reach the meltable temperature due to heat conduction, and the aluminum ingot or the aluminum strip conveyed into the heating portion is heated by 360 degrees. .

Description

Aluminum extrusion machine heating device

The aluminum extrusion machine heating device of the invention refers to an aluminum ingot or aluminum strip heating device which can achieve a uniform heating temperature when heating an aluminum ingot or an aluminum strip, and can greatly reduce the electric energy, but can improve the heating uniform temperature effect.

Aluminum or aluminum alloy material has a melting point of about 660 degrees, which is lower than the melting point of iron by 1538 degrees, and it has the characteristics of light weight. Therefore, it is generally necessary to heat the aluminum ingot or aluminum strip to 480 ° ~ 520 ° to reach the softening temperature. Extrusion through the die, so the aluminum extrusion machine will be equipped with a heating furnace in front of the extrusion type. At present, the pre-heating furnace must heat the aluminum ingot or aluminum strip to 480°~520°, so it needs to be heated. Great thermal energy output, in the current general design of aluminum ingot or aluminum strip heating furnace, there is heating by gas, but also by electric power, such as patent announcement numbers: 294997, 441752, 302776, 488010 and M365802, among them, There is a front heating zone and a flame impact zone in the heating furnace, and an air intake draft pipe, a wind drum, an air outlet guiding pipe and a plurality of injection pipes are arranged in the front heating zone, so that the front heating zone can absorb the flame. The thermal energy in the impact zone is heated by the hot spray tube to the aluminum ingot or the aluminum strip, so that the thermal energy of the aluminum ingot or the aluminum strip can be directly spread to the inner layer of the aluminum ingot or the aluminum strip, and there is also a dense spiral directly in the heating portion. Surrounding heating coil, This heating or aluminum ingots, but these are in a direct and intensive heater to heat ingots or aluminum.

However, the structure and implementation of the conventional aluminum ingot or aluminum strip heating furnace have the following implementations:

1.Before the aluminum ingot or aluminum strip is heated, the general aluminum ingot or aluminum strip material is about 6 meters long, and it must be cut to the required length of 1 meter. It is necessary to completely heat the aluminum ingot or aluminum strip uniformly. The heat can completely cover the aluminum ingot or aluminum strip, so that a lot of heat will be consumed in the heating process, and a lot of heat will be diffused to the outside, thus causing waste of thermal energy and requiring great heating energy output. , such as electricity or gas.

2. When baking in aluminum ingot or aluminum strip heating furnace, the temperature of the outer layer of each aluminum ingot or aluminum strip is higher than the internal temperature, resulting in poor heating effect of aluminum ingot or aluminum strip.

3. The heating method of the aluminum ingot or aluminum strip heating furnace must be continuously heated for several hours (generally about 4 to 8 hours), and the inner layer of the aluminum ingot or the aluminum strip can be brought to a softening temperature, so the heating furnace continues to consume a lot of heat energy.

Therefore, the present invention heats the aluminum ingot or aluminum strip of the heating portion by a double heating structure, and covers a plurality of thermal energy portions at intervals on the outer wall of the heating portion, and the heat energy portion is subjected to heat by the heat conduction effect of the metal. Heating, while the thermal energy portion is heated, the thermal energy is also transmitted to the heating portion, and the heating portion is able to withstand the thermal energy from the source of the thermal energy portion, whereby the inside of the heating portion is completely heated, and is transferred into the aluminum ingot or aluminum strip in the heating portion. It can withstand uniform heating of 360 degrees in the heating section. Since the aluminum ingot or aluminum strip is continuously heated in the heating section at a high temperature during the conveying process, the softening temperature can be reached in a short time.

The aluminum extrusion machine heating device comprises a heating part, a plurality of thermal energy parts, a box body and a central control switch device, wherein the heating part is a pipe body having a passage, one end of the passage is an inlet end, and the other end is an outlet end, the pipe body The wall is provided with a perforation, and the inlet end is configured to be heated by the aluminum ingot or the aluminum strip, and the plurality of thermal energy portions are annular, and are arranged at intervals in the outer wall of the heating portion, wherein one end of the plurality of thermal energy portions is provided Transmitting the electric part for heating the connecting electric wire to heat the plurality of thermal energy parts, the electric wire is connected to a central control switch device, and the central control switch device activates the output of the power supply and the output power of the control power; when the plurality of thermal energy When the part is energized, a high temperature is generated, and at the same time, the heat energy is continuously transmitted to the wall of the heating part, and the heating part is transferred into the heating part when the temperature is increased by the heat conduction of the plurality of thermal energy parts to reach a softening temperature. The aluminum ingot or aluminum strip of the passage is softened by heating around 360 degrees.

And the casing covers the heating portion, and the casing is provided with a heat insulating material, thereby maintaining the temperature of the heating portion not to spread, thereby reducing the supply of electric power.

The circuit wire of the central control switch device is connected to the transmission electric portion of the plurality of thermal energy portions, and the central control switch device controls the heating temperature of the plurality of thermal energy portions.

And at the inlet end of the heating portion for connecting the feeding device, wherein the aluminum ingot or the aluminum strip is transferred from the inlet end into the passage by the feeding device, and the outlet end of the heating portion is disposed opposite to the inlet end, and the connection is made The extrusion device is configured to allow the aluminum ingot or the aluminum strip to be transferred from the inlet end into the passage to be softened by heat, thereby discharging the extruded shape into the extrusion die.

a wall of the tube between the inlet end and the outlet end of the heating portion is provided with a plurality of perforations which penetrate the wall of the heating portion for inserting a temperature detecting rod, thereby sensing the heating by the temperature detecting rod The temperature inside the furnace, when the temperature in the furnace exceeds the softening temperature, the temperature detecting rod transmits a cooling temperature message to the central control switch device, and the central control switch device transmits to the plurality of thermal energy portions to reduce the heating power, thereby The heating temperature of the plurality of thermal energy portions is controlled not to exceed the softening temperature.

1‧‧‧heating department

1a‧‧‧ entrance end

1b‧‧‧export end

11‧‧‧ channel

12‧‧‧Perforation

2‧‧‧The Ministry of Thermal Energy

21‧‧‧Transportation Department

3‧‧‧Exploring rod

4‧‧‧Box

41‧‧‧Insulation

5‧‧‧Feeding device

51‧‧‧Feeding rack

52‧‧‧Places

6‧‧‧Feeding Department

61‧‧‧ pneumatic cylinder

61a‧‧‧Pneumatic tube

62‧‧‧ pole

63‧‧‧ pole

64‧‧‧Parts

7‧‧‧Starting switchgear

8‧‧‧Central control switchgear

81‧‧‧Wire

9‧‧‧Aluminum ingot or aluminum strip

The first drawing is a front perspective view in which the heating portion and the thermal energy portion of the present invention are combined.

The drawings are perspective perspective views of a combination of a heating portion and a thermal energy portion of the present invention.

The third drawing is a side perspective view of the combination of the heating portion and the thermal energy portion of the present invention.

The fourth drawing is a diagram showing the state of implementation of the present invention.

The fifth drawing is a diagram showing the state of implementation of the present invention.

In order to fully understand the present invention, the preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The statements in this specification are hereby implemented and are not intended to limit the technical scope of the invention.

The aluminum extrusion machine heating device, as shown in the first to fourth figures, includes a heating portion 1, a plurality of thermal energy portions 2, a casing 4, and a central control switch device 8, which is a tube having a wall body. The body has a passage 11, an inlet end 1a, an outlet end 1b and a perforation 12, and the inlet end 1a forms a tubular body passage 11 extending to the outlet end 1b for conveying the aluminum ingot or aluminum strip 9 into the passage 11 is heated, the heating portion 1 and the plurality of thermal energy portions 2 are made of a metal material having high temperature resistance; in the first to fourth embodiments, the plurality of thermal energy portions 2 are annular, and the volume thereof is smaller than the heating portion 1. The inner diameter of the heating portion 1 conforms to the outer diameter of the heating portion 1, and is tightly wrapped around the outer diameter wall of the heating portion 1, and is disposed at intervals along the outer diameter wall of the heating portion 1. The other definition is the plurality of thermal energy. The portions 2 are separated from each other by a distance from the outer diameter of the heating portion 1, wherein the plurality of heats The transmission unit 21 is provided at one end of the energy unit 2, and after the connection line 81 is energized, the transmission unit 21 transmits electric energy to heat the plurality of thermal energy units 2, and the electric line 81 is connected to a central control switch device 8; In another implementation of the fifth figure, the plurality of thermal energy portions 2 are strip-shaped, the volume of which is smaller than the heating portion 1, and the tight rings arranged at intervals are coupled to the outer diameter wall of the heating portion 1, and the other is defined by the plurality of thermal energy portions. 2 is spaced apart from each other to be closely coupled to the outer diameter wall of the heating portion 1, wherein one end of the plurality of thermal energy portions 2 is provided with a transmission electric portion 21 for the connection of the connecting electric wire 81, the transmission electric portion 21 transmitting electrical energy to heat the plurality of thermal energy portions 2, the electric wires 81 being connected to a central control switch device 8; and the plurality of thermal energy portions 2 may also be in other shapes, such as geometric or wavy bars or circles, etc. A closely spaced closely spaced ring is bonded to the outer diameter wall of the heating portion 1.

The central control switch device 8 is configured to activate the output of the power supply output and the control power, and the circuit wire 81 is connected to the transmission electric portion 21, and the central control switch device 8 transmits power to the transmission electric portion 21 when the plurality of thermal energy The portion 2 generates a high temperature after being energized, thereby simultaneously transferring its thermal energy to the furnace wall of the heating portion 1, and the heating portion 1 is transferred to the heating when the temperature is increased by the heat conduction of the plurality of thermal energy portions 2 to reach a softenable temperature. The aluminum ingot or aluminum strip 9 in the portion 1 is softened by heating around 360 degrees; the box body 4 is composed of a lid openable structure, which covers the heating portion 1, and the inlet end 1a and the outlet end of the heating portion 1 1b is exposed to the casing 4, wherein the inner layer of the casing 4 is provided with a heat insulating material 41, and the heat energy portion 2 and the heating portion 1 are covered by the casing 4 for holding the heating portion 1 and the heat energy portion 2 The temperature and the dissipation of heat energy.

Referring to the fourth embodiment, the inlet end 1a of the heating portion 1 is for connecting the feeding device 5 for conveying the aluminum ingot or aluminum strip 9 from the inlet end 1a into the furnace through the feeding device 5. To be heated, the outlet end 1b of the heating portion 1 is disposed in the opposite direction of the inlet end 1a, and is connected to an extrusion device (not shown) for conveying the aluminum ingot or aluminum strip 9 from the inlet end 1a into the furnace. After the inner passage 11 is softened by heat, the discharge material is thereby extruded into an extrusion die (not shown) to be extruded into a shape.

And the wall between the inlet end 1a and the outlet end 1b of the heating portion 1 is provided with a complex a number of perforations 12 that penetrate the wall of the heating portion 1 for inserting a temperature detecting rod 3, whereby the temperature of the passage 11 in the furnace of the heating portion 1 is sensed by the temperature detecting rod 3 When the temperature of the channel 11 exceeds the softening temperature, the temperature detecting rod 3 transmits a message to the central control switch device 8. After receiving the temperature information, the central control switch device 8 adjusts the power output rate and transmits the signal to the complex number. The heating power of the thermal energy unit 2 is lowered, whereby the heating temperature of the plurality of thermal energy units 2 is controlled to be lowered to avoid exceeding the softening temperature.

In the above, a feeding device 5 is disposed at the inlet end 1a of the heating portion 1. The feeding device 5 has a loading frame 51 and a feeding portion 6, and the loading frame 51 is for stacking aluminum ingots or aluminum strips 9 The bottom end of the rack 51 extends to form a placement seat 52 for receiving an aluminum ingot or an aluminum strip 9. The placement seat 52 conforms to the horizontal position of the inlet end 1a of the heating portion 1; the feeding portion 6 includes a pneumatic cylinder 61, a rod portion 62, 63 and a pushing portion 64, wherein one end of the rod portion 62, 63 is connected to the pneumatic cylinder 61, and the other end is provided with the pushing portion 64, and the horizontal position of the pushing portion 64 is placed The seat 52 is in conformity; wherein the air cylinder 61 is connected to a pneumatic tube 61a, and the air tube 61a is connected to an accumulator (not shown), and the rods 62, 63 are depressurized and pressurized by the pneumatic cylinder 61. The lateral expansion and contraction can be performed. The expansion or contraction of the rod portions 62, 63 causes the pushing portion 64 to push the aluminum ingot or the aluminum strip 9 on the placing portion 52 into the passage 11 of the heating portion 1, and the continuous pneumatic cylinder 61 performing the pneumatic driving to cause the rod portions 62, 63 to continue to laterally expand and contract, so that the pushing portion 64 continues to push the aluminum ingot or the aluminum strip 9 into the passage 11 of the heating portion 1, wherein An aluminum ingot or aluminum strip 9 is pushed against the previous aluminum ingot or aluminum strip 9 to advance in the passage 11 until the outlet end 1b of the heating portion 1 to push the aluminum ingot or the aluminum strip 9 in succession. At the same time, the aluminum ingot or aluminum strip 9 is pushed one by one from the inlet end 1a to the outlet end 1b.

The central control switch device 8 has a switch and temperature setter, etc., the circuit of which is also connected to another start switch device 7, which acts as a system for starting or emergency shutting down the heating device.

The main features of the present invention are as follows:

1. The plurality of thermal energy units 2 are direct heating sources of the present invention, and the heating unit 1 is heated by the plurality of thermal energy units 2, so that the wall of the heating unit 1 is heated by the plurality of thermal energy units 2 and then transmitted to the heating. The whole wall of the part 1 is continuous, and the wall of the heating part 1 continuously receives the plural The heat source of the thermal energy unit 2 achieves thermal energy generated by all the walls, and the casing 4 is covered by the heating unit 1. The inner layer of the casing 4 is provided with a heat insulating material 41 to maintain the temperature of the heating unit 1 and reduce The heat is dissipated because the electric energy is only required to be heated by the plurality of thermal energy units 2, and the required electric power does not need to be large, and basically shows that the required electric power is reduced by half as much as the conventional heating furnace. .

2. The heating unit 1 of the present invention has a tubular shape, and after the plurality of thermal energy units 2 continue to transport the heat source, the tube wall of the heating unit 1 is uniformly distributed to the tube wall by the heat source, whereby the placing portion 64 pushes the placing seat 52. The upper plurality of aluminum ingots or aluminum strips 9 are pushed into the channel 11 of the heating portion 1 in a lateral direction, and the channels 11 are heated in order to be heated by 360 degrees in a wraparound manner, through the inlet end of the heating portion 1 1a to the elongate passage 11 of the outlet end 1b, the aluminum ingot or the aluminum strip 9 is heated in a conveying path, and the aluminum ingot or the aluminum strip 9 is gradually transferred to the inside through the heat during the conveying path, so the aluminum ingot or the aluminum strip 9 can be more quickly and uniformly heated to a full degree of softening.

3. The casing 4 covers the thermal energy portion 2 and the heating portion 1 with the inner layer of the heat insulating material 41, whereby the heat energy of the heating portion 1 and the thermal energy portion 2 can be kept from being dissipated and the temperature can be maintained and lowered. The external environment is heated by heat, and the present invention is heated by electric power, does not generate toxic gases, and has an environmentally friendly function.

4. The thermal energy of the heating unit 1 is generated by the thermal energy unit 2, so that the electric power is supplied only to the thermal energy unit 2, and the volume of the thermal energy unit 2 is smaller than the volume of the heating unit 1, so that the required electric power is lowered, and the heating unit is lowered. 1 is continuously heated by the heat source 2, so that the entirety of the heating portion 1 is completely heated, so that when the aluminum ingot or aluminum strip 9 is fed into the passage of the heating portion 1, the aluminum ingot or the aluminum strip 9 can be It is softened by the surrounding high temperature and has energy-saving features.

5. The plurality of thermal energy units 2 are respectively provided with transmission electric parts 21 at one end thereof, and the connecting electric wires 81 are respectively connected to a central control switch device 8, and the perforations 12 provided on the tube wall of the heating portion 1 are respectively placed with the temperature detecting rods 3 The temperature detecting rod 3 senses the temperature of the passage 11 in the furnace of the heating portion 1. When the temperature of the partition of the passage 11 in the furnace exceeds the softening temperature, the temperature detecting rod 3 transmits a message to the central control switch device 8 for performing. The different power output rates are adjusted to the respective thermal energy portions 2, so that the temperature at which the thermal energy portion 2 is warmed can be separately controlled, thereby controlling the heating temperature of the heating portion 1 to prevent the aluminum ingot or aluminum strip 9 near the outlet end from exceeding the softening temperature.

In conclusion, it is only a preferred embodiment of the invention, and is not intended to limit the scope of the invention. That is, the equivalent changes and modifications made by the scope of the patent application of the present invention are covered by the scope of the invention.

Claims (8)

An aluminum extrusion machine heating device, comprising: a heating portion, a tubular body having a wall body, the tubular shape is provided with a passage, one end of the longitudinal direction of the passage is an outlet end, and the other end of the passage is an inlet end, the inlet The end provides a feedstock into the passage for heating; and the wall of the heating portion is provided with a plurality of perforations that penetrate the wall and are arranged in a spaced apart relationship. a plurality of thermal energy portions having a volume smaller than the heating portion and spaced apart from each other by an outer diameter wall of the heating portion. The other definition is that the plurality of thermal energy portions are spaced apart from each other and closely coupled to the heating portion. a diameter wall, wherein one end of the plurality of thermal energy portions is respectively provided with a transmission electric part for energizing the connection wire, the transmission electric part transmits electric energy to heat the plurality of thermal energy parts; and the central control switch device is used for starting the power output and controlling the electric power An output wire whose circuit wire is connected to the transmission electric portion, the central control switching device transmits power to the transmission electric portion, and the plurality of thermal energy portions are energized by the transmission electric portion to generate a high temperature, thereby simultaneously transferring the thermal energy thereof to the a furnace wall body of the heating portion; the box body is composed of an openable cover body structure, and the heating portion is covered, and the inlet end and the outlet end of the heating portion expose the box body, wherein the inner layer of the box body is provided with heat preservation The material is covered by the casing to maintain the temperature of the heating portion and to reduce heat dissipation. The aluminum extrusion machine heating device of claim 1, wherein the perforation penetrates the wall of the heating portion for inserting a temperature detecting rod, the temperature detecting rod is connected to a wire, and the wire is connected Go to the central control switch device The central control switch device can receive the thermal temperature in the heating portion passage to adjust how much power is output to the transmission portion of the thermal energy portion. The aluminum extrusion machine heating device according to claim 1, wherein a feeding device is disposed outside the inlet end of the heating portion, and the feeding device is configured to push an aluminum ingot or an aluminum strip into the inlet end and transfer the inlet. The heating portion is heated in the inner passage, and the outlet end of the heating portion is disposed in a opposite direction of the inlet end, and is connectable to an extrusion device for softening and softening the passage of the aluminum ingot or the aluminum strip from the inlet end into the furnace. Thereafter, the outlet end is discharged into a shape extruded in an extrusion die. The invention relates to an aluminum extrusion machine heating device, which comprises: a heating portion, a tubular shape having a wall body, which is provided with a passage, one end of the longitudinal direction of the passage is an outlet end, and the other end of the passage is an inlet end, which is provided for The raw material is transported into the channel for heating; and the wall portion of the heating portion is arranged to be separated by a plurality of perforations and penetrates the wall body; the plurality of thermal energy portions having a volume smaller than the heating portion are closely spaced apart at the interval The outer wall of the heating portion is defined by the plurality of thermal energy portions being spaced apart from each other and closely coupled to the outer diameter wall of the heating portion, wherein one end of the plurality of thermal energy portions is respectively provided with a transmission electric portion for connecting wires When the power is transmitted, the transmitting electric part transmits electric energy to heat the plurality of thermal energy parts; a box body is composed of a cover body openable structure, which covers the thermal energy part and the heating part, and the inlet end and the outlet of the heating part The casing is exposed at the end, wherein the inner layer of the casing is provided with a heat insulating material, and the heating portion is covered by the casing to maintain the temperature of the heating portion and reduce heat dissipation. An aluminum extrusion machine heating device, the heating device comprising: a heating portion is provided with a passage for the tubular type; a plurality of thermal energy portions having a volume smaller than the heating portion are closely spaced apart and closely coupled to the outer diameter wall of the heating portion, and the other definition is that the plurality of thermal energy portions are mutually The plurality of thermal energy portions are respectively disposed at an outer diameter of the heating portion, wherein one end of the plurality of thermal energy portions is respectively provided with a transmission electric portion for energizing the connection wires, and the transmission electric portion can respectively input different electric power to differentiate the plurality of thermal energy portions. Heating temperature control. The aluminum extrusion machine heating device according to claim 5, wherein the heating portion is provided with a plurality of perforations for inserting a temperature detecting rod, the temperature detecting rod is connected to a wire, and the wire is connected to a central portion. The switching device is controlled whereby the central control switching device can receive the thermal temperature within the heating portion passage to adjust how much power is output to the transmission electrical portion. The aluminum extrusion machine heating device according to claim 1, wherein the thermal energy portion is annular, and an inner diameter thereof conforms to an outer diameter of the heating portion, and a tight ring is wrapped around the heating portion diameter wall, and The outer diameter walls of the heating portion are arranged separately at intervals. The aluminum extrusion machine heating device according to claim 1, wherein the thermal energy portion is strip-shaped, and the tight ring arranged at intervals is coupled to the outer diameter wall of the heating portion.