Heat insulation type heating cylinder for aluminum material extruding machine

Abstract

The utility model relates to the technical field of heating cylinders, in particular to a heat insulation type heating cylinder for an aluminum material extruding machine, which comprises a cylinder body, line ends and end covers, the end covers are detachably arranged at two ends of the cylinder body, and the line ends are embedded between the cylinder body and the end covers; the cylinder body comprises an outer cylinder, a heat conduction cylinder a, a heat conduction cylinder b and a heat conduction layer, the heat conduction cylinder a is embedded in the outer cylinder, the heat conduction cylinder b is embedded in the heat conduction cylinder a, and the heat conduction layer is embedded in the heat conduction cylinder b. The outer wall of the heating pipe is tightly attached to the metal material with the high heat conductivity coefficient, the heat conduction efficiency of a heat source is effectively improved, meanwhile, heat is evenly transmitted to the heat conduction layer through the heat conduction fins, it is ensured that the heat is evenly distributed to an inner mold and the aluminum material, the heat conduction efficiency is improved, and the uniformity of heat transmission is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to heating cylinder technical field, specifically is a kind of heat insulation type heating cylinder for aluminium material extruding machine. BACKGROUND

[0002] Aluminium material extruding machine is a kind of equipment for extruding aluminium billet into various section materials through die, and is widely used in construction, traffic, electronics and other industries, and its working principle is to extrude heated aluminium billet from die by strong pressure to form the required cross-sectional shape, and one of the core components of extruding machine is heating cylinder, which is responsible for uniform preheating of aluminium billet to ensure that aluminium material has good plasticity and fluidity during extrusion, and heating cylinder reaches the appropriate extrusion temperature by accurate temperature control, thereby improving production efficiency and product quality.

[0003] The performance of heating cylinder directly affects the stability of extrusion process and the precision of final product, but it still has certain problems: 1) after long-term use of extruding machine, the heating elements in heating cylinder will be thermally degraded or fail, and need to be regularly maintained or replaced, but the existing heating cylinder design has defects, and the electric heating element is difficult to disassemble, which leads to inconvenient maintenance, increases maintenance time and cost, and may affect production efficiency; 2) heat dissipation is serious when heating cylinder works, resulting in a large amount of heat energy loss and low energy efficiency, which not only increases energy consumption cost, but also may affect the stability of heating cylinder and extrusion quality; therefore, in view of the above status, it is urgent to develop a heat insulation type heating cylinder for aluminium material extruding machine to overcome the deficiencies in current actual application and meet the current needs. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a heat insulation type heating cylinder for aluminium material extruding machine to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a heat insulation type heating cylinder for aluminium material extruding machine, comprising a cylinder body, a line end and an end cover, the end cover is detachably installed at both ends of the cylinder body, and the line end is embeddedly installed between the cylinder body and the end cover.

[0006] The cylinder body comprises an outer cylinder, a heat conduction cylinder a, a heat conduction cylinder b and a heat conduction layer, the heat conduction cylinder a is embeddedly installed inside the outer cylinder, the heat conduction cylinder b is embeddedly installed inside the heat conduction cylinder a, the heat conduction layer is embeddedly installed inside the heat conduction cylinder b, and a plurality of heating pipes are embeddedly installed between the heat conduction cylinder a and the heat conduction cylinder b, a plurality of heat insulation type cavities distributed in a ring shape are formed in the inside of the outer cylinder, the heat insulation type cavities are filled with a heat insulation layer a, and the heat insulation layer b is filled between the outer cylinder and the heat conduction cylinder a.

[0007] Preferably, the inner wall of the outer cylinder is provided with a plurality of clamping blocks formed integrally, the heat conducting cylinder a, the heat conducting cylinder b and the heat conducting layer are each provided with four clamping blocks, and clamping grooves matched with the clamping blocks are formed between adjacent heat conducting cylinders a and between adjacent heat conducting cylinders b.

[0008] Preferably, the outer wall of the heat conducting cylinder b is provided with a semicircular groove, and the inner wall of the heat conducting cylinder a is provided with a semicircular groove matched with the heat conducting cylinder b, and the heating pipe is embedded in the semicircular groove, so as to increase the contact area between the heat conducting cylinder a and the heat conducting cylinder b.

[0009] Preferably, the inner wall of the heat conducting cylinder b is provided with a plurality of equidistant heat conducting fins, and the outer wall of the heat conducting layer is provided with a plug-in groove matched with the heat conducting fins, so as to increase the contact area between the heat conducting cylinder b and the heat conducting layer.

[0010] Preferably, the end cover comprises an end cover a and an end cover b, the end cover a is provided with a through groove and a pressing groove, the inner wall of the end cover b is provided with a pressing groove matched with the end cover a, one end of the line end is provided with a terminal for butt joint with the heating pipe, the terminal is embedded in the pressing groove of the end cover a and the end cover b, and the side of the terminal for butt joint with the heating pipe is arranged in the through groove.

[0011] Preferably, the heat insulation layer a is made of a vacuum heat insulation material, and the heat conducting layer is made of a ceramic material, so as to improve the heat insulation effect by the heat insulation layer a matched with the vacuumized heat insulation cavity, and the heat conducting cylinder a and the heat conducting cylinder b made of metal materials can quickly conduct the heat of the heating pipe to the heat conducting layer, and the heat conducting layer made of a ceramic material can ensure that the heat is uniformly conducted to the internal extrusion die and the aluminum material.

[0012] Preferably, the edge of the outer cylinder is provided with an ear seat, and the end cover is provided with an ear seat matched with the outer cylinder, so as to be connected by the ear seat and the bolt.

[0013] Compared with the prior art, the heat insulation type heating cylinder for the aluminum material extruding machine has the following beneficial effects:

[0014] It adopts modular design, and each structure is easy to assemble and disassemble, combined with linear heating pipe layout, which significantly reduces the difficulty of later maintenance, the outer wall of the heating pipe is tightly attached with metal material with high thermal conductivity, which effectively improves the heat conduction efficiency of the heat source, meanwhile, the heat is uniformly transmitted to the heat conduction layer through the heat conduction fins, ensuring that the heat is evenly distributed to the internal mold and aluminum material, which not only improves the heat conduction efficiency, but also ensures the uniformity of heat transmission, in addition, the device is provided with multiple heat insulation layers, which has excellent heat insulation performance, greatly reduces heat dissipation, and significantly improves the heat energy utilization rate. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0016] Figure 1 It is a front structure schematic diagram of the present application;

[0017] Figure 2 It is an overall explosion diagram of the present application;

[0018] Figure 3 It is a side view of the cylinder of the present application;

[0019] Figure 4 It is a side view of the outer cylinder of the present application;

[0020] Figure 5 It is a position relationship diagram of the heat conduction cylinder a and the heat conduction cylinder b of the present application;

[0021] Figure 6 It is an explosion diagram of the cylinder of the present application;

[0022] Figure 7 It is an explosion diagram of the heat conduction cylinder a and the heat conduction cylinder b of the present application;

[0023] Figure 8 It is a part of the present application Figure 7 A part of the present application is an enlarged schematic diagram.

[0024] In the figure: 100, cylinder; 110, outer cylinder; 111, heat insulation cavity; 112, clamping block; 113, ear seat; 120, heat conduction cylinder a; 130, heating pipe; 140, heat conduction cylinder b; 141, heat conduction fin; 142, semicircular groove; 150, heat conduction layer; 151, plug-in groove; 160, heat insulation layer a; 170, heat insulation layer b; 200, line end; 210, terminal; 300, end cover; 310, end cover a; 311, through groove; 312, pressing groove; 320, end cover b. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0026] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense. For example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0027] Embodiment:

[0028] Please refer to Figures 1-8 The present application provides a technical scheme: a heat insulation type heating cylinder for an aluminum material extruding machine, comprising a cylinder body 100, a line end 200 and an end cover 300, the end cover 300 is detachably mounted at both ends of the cylinder body 100, and the line end 200 is embeddedly mounted between the cylinder body 100 and the end cover 300.

[0029] The cylinder body 100 comprises an outer cylinder 110, a heat conducting cylinder a 120, a heat conducting cylinder b 140 and a heat conducting layer 150, the heat conducting cylinder a 120 is embeddedly mounted in the inside of the outer cylinder 110, the heat conducting cylinder b 140 is embeddedly mounted in the inside of the heat conducting cylinder a 120, the heat conducting layer 150 is embeddedly mounted in the inside of the heat conducting cylinder b 140, and a plurality of heating pipes 130 are embeddedly mounted between the heat conducting cylinder a 120 and the heat conducting cylinder b 140, a plurality of heat insulation type cavities 111 are arranged in the inside of the outer cylinder 110 in a ring shape, a heat insulation layer a 160 is filled in the heat insulation type cavities 111, and a heat insulation layer b 170 is filled between the outer cylinder 110 and the heat conducting cylinder a 120.

[0030] Preferably, the inner wall of the outer cylinder 110 is provided with a plurality of integrally formed clamping blocks 112, the heat conducting cylinder a 120, the heat conducting cylinder b 140 and the heat conducting layer 150 are each provided with four clamping blocks 112, and a clamping groove matched with the clamping block 112 is arranged between adjacent heat conducting cylinders a 120 and adjacent heat conducting cylinders b 140. Specifically, the modular heat conducting cylinder a 120, the heat conducting cylinder b 140 and the heat conducting layer 150 facilitate subsequent maintenance and reduce the difficulty of replacing the heating pipes 130 in the later period.

[0031] Preferably, the outer wall of the heat-conducting cylinder b140 is provided with semicircular grooves 142, the inner wall of the heat-conducting cylinder a120 is provided with semicircular grooves 142 consistent with the structure of the heat-conducting cylinder b140 and corresponding one by one, and the heating pipe 130 is embedded and installed in the semicircular grooves 142. Specifically, the contact surface between the heating pipe 130 and the heat-conducting cylinder a120 and the heat-conducting cylinder b140 is increased, thereby improving the heat conduction coefficient.

[0032] Preferably, the inner wall of the heat-conducting cylinder b is provided with a plurality of equidistant heat-conducting fins 141, the outer wall of the heat-conducting layer 150 is provided with a plug-in groove 151, the heat-conducting fins 141 are matched with the plug-in groove 151, and specifically, the heat-conducting fins 141 are connected with the heat-conducting layer 150, which can increase the contact area between the heat-conducting cylinder b140 and the heat-conducting layer 150, thereby improving the heat conduction coefficient.

[0033] Preferably, the end cover 300 includes an end cover a310 and an end cover b320, the end cover a310 is provided with a through groove 311 and a pressing groove 312, the inner wall of the end cover b320 is provided with a pressing groove 312 consistent with the structure of the end cover a310, one end of the line end 200 is provided with a terminal 210 used for butt joint with the heating pipe 130, the terminal 210 is embedded and arranged in the pressing groove 312 of the end cover a310 and the end cover b320, and the side of the terminal 210 butt joint with the heating pipe 130 is arranged in the through groove 311. Specifically, the end cover 300 is arranged to seal both ends of the cylinder body 100 and fix the line end 200.

[0034] Preferably, the heat-insulating layer a160 is made of a vacuum heat-insulating material, and the heat-conducting layer 150 is made of a ceramic material. Specifically, the heat-insulating layer a160 cooperates with the vacuumized heat-insulating cavity 111 to effectively improve the heat-insulating effect, the heat-conducting cylinder a120 and the heat-conducting cylinder b140 made of metal materials can quickly conduct the heat of the heating pipe 130 to the heat-conducting layer 150, and the heat-conducting layer 150 made of a ceramic material can ensure that the heat is uniformly conducted to the internal extrusion die and aluminum material.

[0035] Preferably, the edge position of the outer cylinder 110 is fixedly provided with an ear seat 113, and the end cover 300 is fixedly provided with an ear seat 113 matched with the outer cylinder 110. Specifically, the ear seat 113 is connected by a bolt.

[0036] Working principle: when working, the line end 200 supplies power to the heating pipe 130 inside the barrel 100, the heating pipe 130 generates heat and conducts to the heat conducting barrel a 120 and the heat conducting barrel b 140, then conducts to the heat conducting layer 150 in contact with the heat conducting barrel b 140 and the heat conducting fin 141, the heat conducting layer 150 evenly conducts the heat to the extrusion die and aluminum material inside, realizes the heating effect of the aluminum material, and due to the existence of the outer heat insulation layer b 170 of the heat conducting barrel a 120, the heat can be prevented from escaping outward, cooperates with the outer heat insulation layer a 160, effectively improves the heat preservation effect, when it is necessary to maintain or replace the internal heating pipe 130, the end cover 300 and the line end 200 are disassembled, and the heating pipe 130 is pulled out from the semicircular groove 142 between the heat conducting pipe a 120 and the heat conducting pipe b 140.

[0037] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by an "including a" does not exclude the existence of additional identical elements in the process, method, article, or apparatus that includes the element.

Claims

1. A heat-insulated heating cylinder for an aluminum extrusion press, characterized in that: It includes a cylindrical body (100), a line terminal (200) and an end cap (300), wherein the end cap (300) is detachably installed at both ends of the cylindrical body (100), and the line terminal (200) is embedded between the cylindrical body (100) and the end cap (300); The cylinder (100) includes an outer cylinder (110), a heat-conducting cylinder a (120), a heat-conducting cylinder b (140), and a heat-conducting layer (150). The heat-conducting cylinder a (120) is embedded inside the outer cylinder (110), the heat-conducting cylinder b (140) is embedded inside the heat-conducting cylinder a (120), and the heat-conducting layer (150) is embedded inside the heat-conducting cylinder b (140). Multiple heating tubes (130) are embedded between the heat-conducting cylinder a (120) and the heat-conducting cylinder b (140). The outer cylinder (110) has multiple annularly distributed heat-insulating cavities (111) inside. The heat-insulating cavities (111) are filled with heat-insulating layer a (160), and the space between the outer cylinder (110) and the heat-conducting cylinder a (120) is filled with heat-insulating layer b (170).

2. The heat-insulated heating cylinder for an aluminum extrusion press according to claim 1, characterized in that: The inner wall of the outer cylinder (110) is provided with multiple integrally formed locking blocks (112). The heat-conducting cylinder a (120) and the heat-conducting cylinder b (140) are each provided with four blocks. A locking groove adapted to the locking block (112) is opened between adjacent heat-conducting cylinder a (120) and adjacent heat-conducting cylinder b (140).

3. The heat-insulated heating cylinder for an aluminum extrusion press according to claim 1, characterized in that: The outer wall of the heat-conducting cylinder b (140) is provided with a semi-circular groove (142), and the inner wall of the heat-conducting cylinder a (120) is provided with a semi-circular groove (142) that is consistent with and corresponds one-to-one with the structure of the heat-conducting cylinder b (140). The heating tube (130) is embedded in the semi-circular groove (142).

4. The heat-insulated heating cylinder for an aluminum extrusion press according to claim 1, characterized in that: The inner wall of the heat-conducting cylinder b has multiple equidistant heat-conducting fins (141), and the outer wall of the heat-conducting layer (150) has a plug-in groove (151). The heat-conducting fins (141) are adapted to the plug-in groove (151).

5. The heat-insulated heating cylinder for an aluminum extrusion press according to claim 1, characterized in that: The end cap (300) includes end cap a (310) and end cap b (320). End cap a (310) has a through groove (311) and a pressing groove (312). The inner wall of end cap b (320) has a pressing groove (312) with the same structure as end cap a (310). One end of the line end (200) is equipped with a terminal (210) for docking with the heating tube (130). The terminal (210) is embedded in the pressing groove (312) of end cap a (310) and end cap b (320). The side of the terminal (210) that docks with the heating tube (130) passes through the through groove (311).

6. The heat-insulated heating cylinder for an aluminum extrusion press according to claim 1, characterized in that: The heat insulation layer a (160) is made of vacuum heat insulation material, and the heat conduction layer (150) is made of ceramic material.

7. The heat-insulated heating cylinder for an aluminum extrusion press according to claim 1, characterized in that: The outer cylinder (110) is fixedly provided with an ear seat (113) at the edge position, and the end cap (300) is fixedly provided with an ear seat (113) that is adapted to the outer cylinder (110).

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