CN113124004A - Aluminum bar extruder - Google Patents

Aluminum bar extruder Download PDF

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Publication number
CN113124004A
CN113124004A CN202110405259.4A CN202110405259A CN113124004A CN 113124004 A CN113124004 A CN 113124004A CN 202110405259 A CN202110405259 A CN 202110405259A CN 113124004 A CN113124004 A CN 113124004A
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CN
China
Prior art keywords
hydraulic oil
oil tank
cavity
fixedly connected
push rod
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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.)
Withdrawn
Application number
CN202110405259.4A
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Chinese (zh)
Inventor
冯贵祖
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Foshan Bozhi Yingju Technology Co Ltd
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Foshan Bozhi Yingju Technology Co Ltd
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Priority to CN202110405259.4A priority Critical patent/CN113124004A/en
Publication of CN113124004A publication Critical patent/CN113124004A/en
Withdrawn legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/26—Supply reservoir or sump assemblies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/042—Controlling the temperature of the fluid
    • F15B21/0423—Cooling

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Extrusion Of Metal (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)

Abstract

The invention provides an aluminum bar extruder which comprises a hydraulic oil tank, a shell, a radiating fin, an elastic component and a push rod, wherein the shell is provided with a first cavity and a second cavity which are communicated with each other, the diameter of the first cavity is larger than that of the second cavity, the radiating fin is connected with the side wall of the hydraulic oil tank in a sliding sealing mode, one end of the elastic component is located in the inner cavity of the hydraulic oil tank, one end of the elastic component is fixedly connected with the radiating fin, the other end of the elastic component is fixedly connected with the hydraulic oil tank, one end of the push rod is connected with the second cavity in a sliding sealing mode, the other end of the push rod is fixedly connected with the radiating fin, a sealing cavity is formed among the first cavity, the second. The invention solves the problem that the traditional aluminum bar extruder needs to consume electric power and a large amount of water sources because the hydraulic oil is cooled by adopting a water cooling mode, and has the characteristics of simple integral structure and low cost.

Description

Aluminum bar extruder
Technical Field
The invention relates to the technical field of extruders, in particular to an aluminum bar extruder.
Background
The aluminum bar extruder is the main equipment for producing light alloy pipes, bars and profiles, and comprises a mechanical part, a hydraulic part and an electrical part. Wherein the hydraulic part mainly provides power for each part of the whole extruder.
The stability of the hydraulic system of the aluminum bar extruder is directly related to the working precision and performance of the extruder, the control of the service temperature of the hydraulic oil of the extruder is a key factor of the performance of the hydraulic system and the service life of the wear-resistant hydraulic oil, and the well-controlled working temperature of the hydraulic oil is a precondition for the normal working of the hydraulic system. In the process of extruding and producing the aluminum profile, the temperature of hydraulic oil of a hydraulic system is controlled to be 30-60 ℃ more suitably. If the oil temperature is too high, the viscosity of the oil is reduced, so that the leakage amount of a hydraulic system is increased, the volumetric efficiency is reduced, the service life of the hydraulic oil is shortened, and the mechanical wear is increased; if the oil temperature is too low, the viscosity of the oil rises, so that the pump is difficult to absorb oil, strong vibration and noise are generated, and even the pump cannot work.
At present, hydraulic oil of an aluminum bar extruder is cooled by a water cooling mode generally, and the cooling needs to consume electric power and a large amount of water sources to be improved.
Disclosure of Invention
Based on this, in order to solve the problem that the hydraulic oil needs to consume electric power and a large amount of water sources because the existing aluminum bar extruding machine adopts a water cooling mode to cool the hydraulic oil, the invention provides an aluminum bar extruding machine, which has the following specific technical scheme:
an aluminium bar extruder, includes hydraulic tank, still includes:
the device comprises a shell, a first cavity and a second cavity, wherein the first cavity and the second cavity are communicated with each other;
the radiating fin is connected with the side wall of the hydraulic oil tank in a sliding and sealing mode, and one end of the radiating fin is located in the inner cavity of the hydraulic oil tank;
one end of the elastic component is fixedly connected with the radiating fin, and the other end of the elastic component is fixedly connected with the hydraulic oil tank;
one end of the push rod is connected with the second chamber in a sliding and sealing mode, and the other end of the push rod is fixedly connected with the radiating fin;
and a sealing cavity is formed among the first cavity, the second cavity and the push rod, and a thermal expansion substance which expands and contracts along with temperature change is filled in the sealing cavity.
When the temperature of the hydraulic oil in the hydraulic oil tank is higher than a preset temperature value and the thermal expansion substance induces the temperature of the hydraulic oil to gradually expand, the push rod moves along the second cavity, overcomes the elasticity of the elastic part and pushes the radiating fin to move towards the outer side of the hydraulic oil tank; in the process that the temperature of the hydraulic oil in the hydraulic oil tank is lower than a preset temperature value and the thermal expansion substance induces the temperature of the hydraulic oil to gradually contract, the push rod and the radiating fins move towards the inner cavity of the oil tank under the elastic action of the elastic part.
Through setting up shell, push rod, fin and elastomeric element, the aluminium bar extruder can be according to the area of contact of hydraulic oil temperature automatic adjustment fin and hydraulic tank outside air, and then cools down the processing to hydraulic oil, and it has solved present aluminium bar extruder and has adopted the water-cooling mode to cool off hydraulic oil and need consume the problem at electric power and a large amount of water sources, has overall structure simply, low cost's characteristics.
Furthermore, the shell and the push rod are located in an inner cavity of the hydraulic oil tank, the shell is fixedly connected with the bottom of the inner cavity of the hydraulic oil tank, and the other end of the push rod is fixedly connected with one end, located in the inner cavity of the hydraulic oil tank, of the radiating fin.
Furthermore, the elastic component is positioned in the inner cavity of the hydraulic oil tank, and the other end of the elastic component is fixedly connected with the bottom of the inner cavity of the hydraulic oil tank.
Furthermore, the shell and the push rod are located on the outer side of the hydraulic oil tank, the shell is fixedly connected with the outer side wall of the hydraulic oil tank, and the other end of the push rod is fixedly connected with the other end of the cooling fin located on the outer side of the hydraulic oil tank.
Furthermore, the elastic component is positioned in the inner cavity of the hydraulic oil tank, and the other end of the elastic component is fixedly connected with the bottom of the inner cavity of the hydraulic oil tank.
Furthermore, the elastic component is located on the outer side of the hydraulic oil tank, and the other end of the elastic component is fixedly connected with the outer side wall of the hydraulic oil tank.
Further, the aluminum bar extruder still includes the oil pump, the oil pump with hydraulic tank intercommunication.
Further, the elastic member is a coil spring.
Further, the thermal expansion substance is paraffin.
Further, the housing is made of an aluminum alloy material.
Drawings
The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.
FIG. 1 is a schematic view showing the overall structure of an aluminum bar extruding machine according to one embodiment of the present invention;
FIG. 2 is a schematic view of the overall structure of an aluminum bar extruding machine according to a first embodiment of the present invention;
FIG. 3 is a schematic view showing the overall structure of an aluminum bar extruding machine according to a second embodiment of the present invention;
FIG. 4 is a schematic view of the overall structure of an aluminum bar extruding machine according to a second embodiment of the present invention;
FIG. 5 is a schematic view showing the overall structure of an aluminum bar extruding machine according to a third embodiment of the present invention;
FIG. 6 is a schematic view of the overall structure of an aluminum bar extruding machine according to a third embodiment of the present invention;
FIG. 7 is a schematic view showing the overall structure of an aluminum bar extruding machine according to a fifth embodiment of the present invention;
fig. 8 is a schematic view of the overall structure of an aluminum bar extruding machine according to the sixth embodiment of the present invention.
Description of reference numerals:
1. a hydraulic oil tank; 2. a housing; 3. a heat sink; 4. an elastic member; 5. a push rod; 6. a first chamber; 7. a second chamber; 8. and adjusting the bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to embodiments thereof. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The terms "first" and "second" used herein do not denote any particular order or quantity, but rather are used to distinguish one element from another.
The first embodiment is as follows:
as shown in fig. 1 and 2, an aluminum bar extruding machine according to an embodiment of the present invention includes a hydraulic oil tank 1, a housing 2, a heat sink 3, an elastic member 4, and a ram 5.
The housing 2 is provided with a first chamber 6 and a second chamber 7 communicating with each other, the first chamber 6 having a larger diameter than the second chamber 7. The radiating fins 3 are connected with the side wall of the hydraulic oil tank 1 in a sliding and sealing mode, and one end of each radiating fin is located in the inner cavity of the hydraulic oil tank 1.
One end of the elastic component 4 is fixedly connected with the radiating fin 3, and the other end of the elastic component is fixedly connected with the hydraulic oil tank 1. One end of the push rod 5 is connected with the second chamber 7 in a sliding and sealing mode, and the other end of the push rod is fixedly connected with the radiating fin 3.
The first chamber 6, the second chamber 7 and the push rod 5 form a sealed chamber, and the sealed chamber is filled with a thermal expansion substance which expands and contracts along with temperature change.
When the temperature of the hydraulic oil in the hydraulic oil tank 1 is higher than a preset temperature value and the thermal expansion substance induces the temperature of the hydraulic oil to gradually expand, the push rod 5 moves along the second chamber 7, overcomes the elasticity of the elastic component 4 and pushes the radiating fins 3 to move towards the outer side of the hydraulic oil tank 1; in the process that the temperature of the hydraulic oil in the hydraulic oil tank 1 is lower than a preset temperature value and the thermal expansion substance induces the temperature of the hydraulic oil to gradually contract, the push rod 5 and the radiating fins 3 move towards the inner cavity of the oil tank under the elastic action of the elastic part 4.
The preset temperature value can be adjusted according to the expansion coefficient of the thermal expansion substance, the volume proportion of the first chamber 6 to the second chamber 7 and the proportion of the volume of the thermal expansion substance to the volume of the first chamber 6. The proportional relationship between the volumes of the first chamber 6, the second chamber 7 and the thermal expansion substance is not described in detail herein since it can be known to those skilled in the art through a limited number of experiments.
Through setting up shell 2, push rod 5, fin 3 and elastomeric element 4, the aluminium bar extruder can be according to the area of contact of hydraulic oil temperature automatic adjustment fin 3 and the 1 outside air of hydraulic tank, and then cools down the processing to hydraulic oil, and it has solved present aluminium bar extruder and has adopted the water-cooling mode to cool off hydraulic oil and need consume the problem at electric power and a large amount of water sources, has overall structure simple, low cost's characteristics.
In this embodiment, as shown in fig. 1 and fig. 2, the housing 2, the push rod 5, and the elastic component 4 are all located in the inner cavity of the hydraulic oil tank 1, the other end of the elastic component 4 is fixedly connected to the bottom of the inner cavity of the hydraulic oil tank 1, the housing 2 is fixedly connected to the bottom of the inner cavity of the hydraulic oil tank 1, and the other end of the push rod 5 is fixedly connected to one end of the heat sink 3 located in the inner cavity of the hydraulic oil tank 1.
Example two:
as shown in fig. 3 and 4, an aluminum bar extruding machine according to an embodiment of the present invention includes a hydraulic oil tank 1, a housing 2, a heat sink 3, an elastic member 4, and a ram 5.
The housing 2 is provided with a first chamber 6 and a second chamber 7 communicating with each other, the first chamber 6 having a larger diameter than the second chamber 7. The radiating fins 3 are connected with the side wall of the hydraulic oil tank 1 in a sliding and sealing mode, and one end of each radiating fin is located in the inner cavity of the hydraulic oil tank 1.
One end of the elastic component 4 is fixedly connected with the radiating fin 3, and the other end of the elastic component is fixedly connected with the hydraulic oil tank 1. One end of the push rod 5 is connected with the second chamber 7 in a sliding and sealing mode, and the other end of the push rod is fixedly connected with the radiating fin 3.
The first chamber 6, the second chamber 7 and the push rod 5 form a sealed chamber, and the sealed chamber is filled with a thermal expansion substance which expands and contracts along with temperature change.
When the temperature of the hydraulic oil in the hydraulic oil tank 1 is higher than a preset temperature value and the thermal expansion substance induces the temperature of the hydraulic oil to gradually expand, the push rod 5 moves along the second chamber 7, overcomes the elasticity of the elastic component 4 and pushes the radiating fins 3 to move towards the outer side of the hydraulic oil tank 1; in the process that the temperature of the hydraulic oil in the hydraulic oil tank 1 is lower than a preset temperature value and the thermal expansion substance induces the temperature of the hydraulic oil to gradually contract, the push rod 5 and the radiating fins 3 move towards the inner cavity of the oil tank under the elastic action of the elastic part 4.
The preset temperature value can be adjusted according to the expansion coefficient of the thermal expansion substance, the volume proportion of the first chamber 6 to the second chamber 7 and the proportion of the volume of the thermal expansion substance to the volume of the first chamber 6. The proportional relationship between the volumes of the first chamber 6, the second chamber 7 and the thermal expansion substance is not described in detail herein since it can be known to those skilled in the art through a limited number of experiments.
Through setting up shell 2, push rod 5, fin 3 and elastomeric element 4, the aluminium bar extruder can be according to the area of contact of hydraulic oil temperature automatic adjustment fin 3 and the 1 outside air of hydraulic tank, and then cools down the processing to hydraulic oil, and it has solved present aluminium bar extruder and has adopted the water-cooling mode to cool off hydraulic oil and need consume the problem at electric power and a large amount of water sources, has overall structure simple, low cost's characteristics.
In this embodiment, as shown in fig. 3 and 4, the housing 2 and the push rod 5 are both located outside the hydraulic oil tank 1, the housing 2 is fixedly connected to an outer side wall of the hydraulic oil tank 1, the other end of the push rod 5 is fixedly connected to the other end of the cooling fin 3 located outside the hydraulic oil tank 1, the elastic component 4 is located in an inner cavity of the hydraulic oil tank 1, the other end of the elastic component is fixedly connected to the bottom of the inner cavity of the hydraulic oil tank 1, and one end of the elastic component 4 is fixedly connected to one end of the cooling fin 3 located in the inner cavity of the hydraulic oil tank 1.
Example three:
as shown in fig. 5 and 6, an aluminum bar extruding machine according to an embodiment of the present invention includes a hydraulic oil tank 1, a housing 2, a heat sink 3, an elastic member 4, and a ram 5.
The housing 2 is provided with a first chamber 6 and a second chamber 7 communicating with each other, the first chamber 6 having a larger diameter than the second chamber 7. The radiating fins 3 are connected with the side wall of the hydraulic oil tank 1 in a sliding and sealing mode, and one end of each radiating fin is located in the inner cavity of the hydraulic oil tank 1.
One end of the elastic component 4 is fixedly connected with the radiating fin 3, and the other end of the elastic component is fixedly connected with the hydraulic oil tank 1. One end of the push rod 5 is connected with the second chamber 7 in a sliding and sealing mode, and the other end of the push rod is fixedly connected with the radiating fin 3.
The first chamber 6, the second chamber 7 and the push rod 5 form a sealed chamber, and the sealed chamber is filled with a thermal expansion substance which expands and contracts along with temperature change.
When the temperature of the hydraulic oil in the hydraulic oil tank 1 is higher than a preset temperature value and the thermal expansion substance induces the temperature of the hydraulic oil to gradually expand, the push rod 5 moves along the second chamber 7, overcomes the elasticity of the elastic component 4 and pushes the radiating fins 3 to move towards the outer side of the hydraulic oil tank 1; in the process that the temperature of the hydraulic oil in the hydraulic oil tank 1 is lower than a preset temperature value and the thermal expansion substance induces the temperature of the hydraulic oil to gradually contract, the push rod 5 and the radiating fins 3 move towards the inner cavity of the oil tank under the elastic action of the elastic part 4.
The preset temperature value can be adjusted according to the expansion coefficient of the thermal expansion substance, the volume proportion of the first chamber 6 to the second chamber 7 and the proportion of the volume of the thermal expansion substance to the volume of the first chamber 6. The proportional relationship between the volumes of the first chamber 6, the second chamber 7 and the thermal expansion substance is not described in detail herein since it can be known to those skilled in the art through a limited number of experiments.
Through setting up shell 2, push rod 5, fin 3 and elastomeric element 4, the aluminium bar extruder can be according to the area of contact of hydraulic oil temperature automatic adjustment fin 3 and the 1 outside air of hydraulic tank, and then cools down the processing to hydraulic oil, and it has solved present aluminium bar extruder and has adopted the water-cooling mode to cool off hydraulic oil and need consume the problem at electric power and a large amount of water sources, has overall structure simple, low cost's characteristics.
In this embodiment, as shown in fig. 5 and 6, the housing 2 and the push rod 5 are both located outside the hydraulic oil tank 1, the housing 2 is fixedly connected to the outer side wall of the hydraulic oil tank 1, the other end of the push rod 5 is fixedly connected to the other end of the cooling fin 3 located outside the hydraulic oil tank 1, the elastic component 4 is located outside the hydraulic oil tank 1, and the other end of the elastic component is fixedly connected to the outer side wall of the hydraulic oil tank 1.
Example four:
it should be understood that the present embodiment includes all the technical features of the first embodiment, and further detailed description is provided on the basis of the first embodiment.
In this embodiment, the thermal expansion material is paraffin, and the elastic member 4 is a coil spring.
Because the volume expansion rate of the paraffin reaches 13.2% when the pressure is below 0.36MPa and the temperature is increased from 25 ℃ to 61 ℃, and the volume of the paraffin is almost linearly changed near the melting point temperature, the paraffin can fill the whole sealed containing cavity and push the push rod 5 to move along the second cavity 7 by adjusting the proportion between the volume of the paraffin and the volume of the first cavity 6 and the proportion between the diameter of the first cavity 6 and the diameter of the second cavity 7 when the temperature of the paraffin is higher than a certain temperature value, so that the elasticity of the elastic component 4 is overcome and the radiating fin 3 is pushed to move towards the outer side of the hydraulic oil tank 1, the contact area between the radiating fin 3 and the outside air is increased, and the temperature of the hydraulic oil is reduced. Here, a certain temperature value is the preset temperature value. That is, the preset temperature value can be adjusted by adjusting the ratio of the volume of the paraffin to the volume of the first chamber 6 and the ratio of the diameter of the first chamber 6 to the diameter of the second chamber 7.
The aluminum bar extruder further comprises an oil pump, and the oil pump is communicated with the hydraulic oil tank 1.
The shell 2 is made of an aluminum alloy material to increase the thermal conductivity of the shell 2, so that the paraffin in the shell 2 can better sense the temperature of hydraulic oil in the hydraulic oil tank 1.
Example five:
it should be understood that this embodiment includes all the technical features of the fourth embodiment, and further detailed description is provided on the basis of the fourth embodiment.
In this embodiment, as shown in fig. 7, the aluminum bar extruding machine further includes an adjusting bolt 8, a diameter of the adjusting bolt 8 is smaller than a diameter of the second cavity, the adjusting bolt 8 is in threaded connection with a side wall of the hydraulic oil tank 1 and a side wall of the housing 2, and one end of the adjusting bolt 8 extends into the first chamber 6. Through the adjustment 8 one end of adjusting bolt stretches into the length of first cavity 6, can adjust the volume of first cavity 6, and then it is simple and convenient right predetermine the temperature value and finely tune.
Example six:
it should be understood that this embodiment includes all the technical features of the fourth embodiment, and further detailed description is provided on the basis of the fourth embodiment.
As shown in fig. 8, the aluminum bar extruding machine further includes an adjusting bolt 8, a diameter of the adjusting bolt 8 is smaller than a diameter of the second cavity, the adjusting bolt 8 is in threaded connection with the side wall of the outer shell 2, and one end of the adjusting bolt 8 extends into the first cavity 6. Through the adjustment 8 one end of adjusting bolt stretches into the length of first cavity 6, can adjust the volume of first cavity 6, and then it is simple and convenient right predetermine the temperature value and finely tune.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. The utility model provides an aluminium bar extruder, includes hydraulic tank, its characterized in that still includes:
the device comprises a shell, a first cavity and a second cavity, wherein the first cavity and the second cavity are communicated with each other;
the radiating fin is connected with the side wall of the hydraulic oil tank in a sliding and sealing mode, and one end of the radiating fin is located in the inner cavity of the hydraulic oil tank;
one end of the elastic component is fixedly connected with the radiating fin, and the other end of the elastic component is fixedly connected with the hydraulic oil tank;
one end of the push rod is connected with the second chamber in a sliding and sealing mode, and the other end of the push rod is fixedly connected with the radiating fin;
and a sealing cavity is formed among the first cavity, the second cavity and the push rod, and a thermal expansion substance which expands and contracts along with temperature change is filled in the sealing cavity.
2. The aluminum bar extruding machine as recited in claim 1, wherein the shell and the push rod are located in an inner cavity of the hydraulic oil tank, the shell is fixedly connected with the bottom of the inner cavity of the hydraulic oil tank, and the other end of the push rod is fixedly connected with one end of the cooling fin located in the inner cavity of the hydraulic oil tank.
3. An aluminium bar extrusion press as in claim 2 wherein the resilient member is located within the internal chamber of the hydraulic reservoir and the other end is fixedly connected to the bottom of the internal chamber of the hydraulic reservoir.
4. The aluminum bar extruding machine as recited in claim 1, wherein the housing and the push rod are located outside the hydraulic oil tank, the housing is fixedly connected with the outer side wall of the hydraulic oil tank, and the other end of the push rod is fixedly connected with the other end of the cooling fin located outside the hydraulic oil tank.
5. An aluminium bar extrusion press as in claim 4 wherein the resilient member is located within the chamber of the hydraulic reservoir and the other end is fixedly connected to the bottom of the chamber of the hydraulic reservoir.
6. An aluminium bar extrusion press as in claim 4 wherein the resilient member is located outside the hydraulic reservoir and the other end is fixedly connected to the outside wall of the hydraulic reservoir.
7. An aluminium bar extrusion press according to any one of the preceding claims, further comprising an oil pump, the oil pump being in communication with the hydraulic oil tank.
8. An aluminium bar extrusion press according to any one of the preceding claims, wherein the resilient member is a helical spring.
9. An aluminium bar extrusion press according to any one of the preceding claims, wherein the thermally expandable substance is paraffin.
10. An aluminium bar extrusion press according to any one of the preceding claims, wherein the outer casing is made of an aluminium alloy material.
CN202110405259.4A 2021-04-16 2021-04-16 Aluminum bar extruder Withdrawn CN113124004A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110405259.4A CN113124004A (en) 2021-04-16 2021-04-16 Aluminum bar extruder

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Application Number Priority Date Filing Date Title
CN202110405259.4A CN113124004A (en) 2021-04-16 2021-04-16 Aluminum bar extruder

Publications (1)

Publication Number Publication Date
CN113124004A true CN113124004A (en) 2021-07-16

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CN202110405259.4A Withdrawn CN113124004A (en) 2021-04-16 2021-04-16 Aluminum bar extruder

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115559947A (en) * 2022-06-27 2023-01-03 燕山大学 Constant-pressure elastic hydraulic oil tank

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115559947A (en) * 2022-06-27 2023-01-03 燕山大学 Constant-pressure elastic hydraulic oil tank

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Application publication date: 20210716