Aluminum profile extruder

Abstract

The utility model relates to the technical field of extruders, in particular to an aluminum profile extruder. A hollow aluminum ingot is heated in a friction mode, the heating uniformity of an aluminum material is improved, meanwhile, a compact oxide layer of the aluminum ingot is ground away, and the structure is simpler and more reasonable; comprising a main frame body, a hydraulic push rod installed on the main frame body, an ingot containing barrel and a mold. The hollow aluminum ingot and the friction heating mechanism are used for heating the hollow aluminum ingot, and the friction heating mechanism comprises a rack, a fixed arm fixedly installed on the rack, a grinding roller fixedly installed on the fixed arm, a movable arm installed on the rack in a hinged mode and a driving roller rotationally installed on the movable arm; a first driving cylinder for providing power for rotation of the movable arm is installed on the rack, one end of the first driving cylinder is hinged to the rack, the other end of the first driving cylinder is hinged to the movable arm, and a rotation driving assembly for providing power for rotation of the driving roller is installed on the movable arm.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of extruder, especially to an aluminum profile extruder. BACKGROUND

[0002] The aluminum profile extruder belongs to metal plastic processing equipment, and through pushing and extruding a heated aluminum bar (usually at a temperature of 400-500 DEG C) under high pressure through a die, a profile with a required cross-sectional shape (such as a door and window frame, industrial aluminum material, etc.) is formed.

[0003] For example, Chinese invention patent CN118492099B discloses an aluminum flat tube extrusion forming device; the device includes a positioning and clamping peeling mechanism mounted on a containing cylinder, the positioning and clamping peeling mechanism includes a mounting frame, a bevel gear rotatably mounted on the mounting frame, a ring cutter fixedly mounted on the bevel gear, and a clamping and peeling assembly symmetrically arranged on the mounting frame; the device can remove the dense oxide layer on the outer wall of the aluminum ingot, improve the smoothness of the aluminum ingot extrusion feeding, improve the aluminum flat tube extrusion forming processing efficiency, and improve the fusion degree of the aluminum flat tube itself.

[0004] However, the present inventor found the following defects when implementing the device: the uniformity of heating of the solid aluminum ingot is not good, which has a certain influence on the extrusion and molding quality of the subsequent profile; and through the traditional flame heating method, the thickness of the dense oxide layer on the outer wall of the aluminum ingot is increased, and the clamping and peeling mechanism has a complex structure and a high failure rate during the later use process. UTILITY MODEL CONTENT

[0005] (I) Technical problem solved

[0006] In view of the deficiencies of the prior art, the utility model provides an aluminum profile extruder which heats the hollow aluminum ingot through a friction method, improves the uniformity of heating of the aluminum material, removes the dense oxide layer of the aluminum ingot, and has a simpler and more reasonable structure.

[0007] (II) Technical solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: an aluminum profile extruder, comprising a main frame, a hydraulic push rod mounted on the main frame, an ingot holding cylinder, and a mold; further comprising a hollow aluminum ingot and a friction heating mechanism for heating the hollow aluminum ingot, the friction heating mechanism comprising a frame, a fixed arm fixedly mounted on the frame, a grinding roller fixedly mounted on the fixed arm, a movable arm hingedly mounted on the frame, and a drive roller rotatably mounted on the movable arm, a first drive cylinder provided with power for the rotation of the movable arm mounted on the frame, one end of the first drive cylinder being hinged to the frame, the other end of the first drive cylinder being hinged to the movable arm, and a rotary drive assembly provided with power for the rotation of the drive roller mounted on the movable arm. Furthermore, the mold adopts a customized design to determine the cross-sectional shape of the profile; the ingot holding cylinder is used to hold the heated hollow aluminum ingot; the hydraulic push rod is used to apply high pressure to push the aluminum ingot through the mold; the drive roller is used to drive the hollow aluminum ingot on the grinding roller to rotate; the rotation drive assembly includes a motor and a transmission component, the motor is connected to the drive roller through the transmission component, and the transmission component can be a gear, chain, transmission belt, etc.

[0009] Preferably, it also includes a first V-shaped support and an inlet, the first V-shaped support being located between the hydraulic push rod and the ingot holding cylinder, and a second drive cylinder being installed on the fixed arm; furthermore, the second drive cylinder is used to push the hollow aluminum ingot on the grinding roller into the inlet, the inlet being used to guide the hollow aluminum ingot to the first V-shaped support, and the inlet having a vertical channel that allows a single hollow aluminum ingot to pass through.

[0010] Preferably, the friction heating mechanism consists of two sets, symmetrically arranged above the main frame. The frame is slidably mounted on the main frame, and a first linear feeder is installed on the main frame to provide power for the sliding of the frame. The upper part of the feeder is provided with a V-shaped feed cavity. Further, the main frame is provided with a slide rail, and the frame is slidably mounted on the slide rail. The first linear feeder is preferably a mechanical slide table, but other equivalent components such as a telescopic cylinder can also be used to drive the frame to slide. The V-shaped feed cavity can accommodate two hollow aluminum ingots placed side by side.

[0011] Preferably, the device further includes a vertical frame mounted on the first linear feeder, the frame being slidably mounted on the vertical frame, a second linear feeder being mounted on the vertical frame to provide power for the vertical sliding of the frame, and a feeding assembly being mounted on the main frame corresponding to the two friction heating mechanisms. The feeding assembly includes a second V-shaped support and a third drive cylinder. Further, the vertical frame is provided with a slide rail, and the frame is slidably mounted on the slide rail. The second linear feeder is preferably a mechanical slide table, but other equivalent components such as a telescopic cylinder that drive the frame to slide up and down can also be used. The second V-shaped support is used for placing and supporting hollow aluminum ingots.

[0012] Preferably, the ingot cylinder is provided with a core cylinder, a neck part is arranged at the feeding port of the core cylinder, and the inner diameter of the core cylinder is smaller than the outer diameter of the hollow aluminum ingot.

[0013] Preferably, the outer wall of the driving roller is provided with anti-skid lines, the anti-skid lines are parallel to the central axis of the driving roller, and the anti-skid lines are uniformly distributed in the circumferential direction of the outer wall of the driving roller.

[0014] Preferably, the top of the main frame body is provided with an open header, and the open header is arranged below the grinding roller.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the aluminum profile extruder has the following beneficial effects: the hollow aluminum ingot is placed at the grinding roller, the first driving cylinder drives the swing arm to swing until the outer wall of the driving roller is in close contact with the outer wall of the hollow aluminum ingot, the rotary driving assembly drives the driving roller to rotate at high speed, the grinding roller and the inner cavity of the hollow aluminum ingot are rubbed, the temperature at the hollow aluminum ingot gradually rises under the action of friction, and the compact oxide layer in the inner cavity of the hollow aluminum ingot can be removed by the grinding roller, the hollow aluminum ingot is heated by friction, the uniformity of the aluminum material is improved, the structure is more simple and reasonable, and the difficulty of subsequent equipment maintenance and repair is greatly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 is a schematic diagram of the front plane structure of the utility model;

[0019] Figure 3 is a schematic diagram of the Figure 2 sectional structure of the utility model at A-A;

[0020] Figure 4 is a schematic diagram of the Figure 2 sectional structure of the utility model at B-B;

[0021] Figure 5 is a schematic diagram of the Figure 1 local enlarged structure of the utility model at A;

[0022] Figure 6 is a schematic diagram of the three-dimensional structure of the core cylinder of the utility model

[0023] Marked in the drawing: 1, main frame; 2, hydraulic push rod; 3, ingot cylinder; 4, mold; 5, rack; 6, fixed arm; 7, grinding roller; 8, movable arm; 9, drive roller; 10, first drive cylinder; 11, rotary drive assembly; 12, first V-shaped support; 13, introducer; 14, second drive cylinder; 15, first linear feeder; 16, V-shaped introduction cavity; 17, vertical frame; 18, second linear feeder; 19, second V-shaped support; 20, third drive cylinder; 21, core cylinder; 22, necking; 23, anti-skid pattern; 24, open header; 25, hollow aluminum ingot. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Embodiment 1

[0026] Please refer to Figures 1-4 The utility model discloses an aluminum profile extruding machine, including main frame body 1, install on main frame body 1's hydraulic push rod 2, ingot cylinder 3 and mould 4, still including hollow aluminum ingot 25 and be used for the friction heating mechanism of hollow aluminum ingot 25 heating, friction heating mechanism includes rack 5, fixedly installed on rack 5's fixed arm 6, fixedly installed on fixed arm 6's grinding roller 7, hingedly installed on rack 5's movable arm 8 and rotationally installed on movable arm 8's drive roller 9, install first drive cylinder 10 on rack 5 for movable arm 8 rotation provides power, one end of first drive cylinder 10 is hinged with rack 5, the other end of first drive cylinder 10 is hinged with movable arm 8, install rotary drive assembly 11 on movable arm 8 for drive roller 9 rotation provides power. Further, mould 4 adopts customization design, decides the cross-sectional shape of profile;Ingot cylinder 3 is used for accommodating the hollow aluminum ingot 25 after heating;Hydraulic push rod 2 is used for exerting high pressure and pushing hollow aluminum ingot 25 through mould 4;Drive roller 9 is used for driving hollow aluminum ingot 25 on grinding roller 7 to rotate;Rotary drive assembly 11 includes motor and transmission part, motor is transmissionally connected with drive roller 9 through transmission part, and transmission part can adopt gear, chain, transmission belt and the like.

[0027] Specifically, please refer to Figure 4 And Figure 6 ; Ingot cylinder 3 is equipped with core cylinder 21, and the feeding port of the core cylinder 21 is equipped with necking 22, and the inner diameter of the core cylinder 21 is smaller than the outer diameter of the hollow aluminum ingot 25;Further, the inner diameter of the large-diameter end of the necking 22 is greater than the outer diameter of the hollow aluminum ingot 25.

[0028] Specifically, please refer to Figure 5 The outer wall of the driving roller 9 is provided with anti-skid lines 23; further, the anti-skid lines 23 are parallel to the central axis of the driving roller 9, and the anti-skid lines 23 are evenly distributed around the outer wall of the driving roller 9; the anti-skid lines 23 are metal convex lines with a certain strength.

[0029] Specifically, please refer to Figure 2 Or Figure 3 The open header 24 is placed on the top of the main frame body 1 and is located below the grinding roller 7.

[0030] The aluminum profile extruder provided in the embodiment pushes the hollow aluminum ingot 25 after friction heating into the necking part 22 through the hydraulic push rod 2, and the hollow aluminum ingot 25 shrinks under the action of the necking part 22; under the action of extrusion shrinkage and the friction force of the inner wall of the core cylinder 21, the temperature at the hollow aluminum ingot 25 is further increased, so that the plasticizing effect of the hollow aluminum ingot 25 can be further improved; the deformed hollow aluminum ingot 25 becomes a solid rod body, so as to ensure the uniformity of the material entering the die 4; the anti-skid lines 23 can increase the friction force between the driving roller 9 and the outer wall of the hollow aluminum ingot 25, improve the transmission efficiency between the driving roller 9 and the hollow aluminum ingot 25, and avoid relative sliding between the two; the open header 24 can collect the debris generated by friction, avoid the debris from falling, and facilitate the treatment of the debris.

[0031] Specifically, please refer to Figures 3-4 Further, the first V-shaped support 12 is located between the hydraulic push rod 2 and the ingot holding cylinder 3, and the second driving cylinder 14 is installed on the fixed arm 6; further, the second driving cylinder 14 is used to push the hollow aluminum ingot 25 on the grinding roller 7 into the introducer 13, the introducer 13 is used to introduce the hollow aluminum ingot 25 to the first V-shaped support 12, and a vertical passage allowing a single hollow aluminum ingot 25 to pass through is arranged in the introducer 13.

[0032] Specifically, please refer to Figure 1 And Figures 3-4 The friction heating mechanism is two groups, and the two friction heating mechanisms are symmetrically arranged above the main frame body 1; the rack 5 is slidingly installed on the main frame body 1, the first linear feeders 15 are installed on the main frame body 1 to provide power for the sliding of the rack 5, and the V-shaped introduction cavity 16 is arranged on the upper part of the introducer 13; further, the main frame body 1 is provided with a sliding rail, the rack 5 is slidingly installed on the sliding rail, the first linear feeders 15 are preferably mechanical sliding tables, and other equivalent parts such as telescopic cylinders can also be used to drive the sliding of the rack 5; the V-shaped introduction cavity 16 can accommodate two hollow aluminum ingots 25 placed side by side.

[0033] Specifically, please refer to Figure 1 And Figures 3-4Further comprising a vertical frame 17 installed on the first linear feeder 15, the machine frame 5 slides up and down on the vertical frame 17, the vertical frame 17 is installed with a second linear feeder 18 which provides power for the up and down sliding of the machine frame 5, the main frame body 1 is installed with a feeding assembly corresponding to the two friction heating mechanisms, the feeding assembly comprises a second V-shaped holder 19 and a third driving cylinder 20; further, the vertical frame 17 is provided with a sliding rail, the machine frame 5 slides up and down on the sliding rail, the second linear feeder 18 is preferably a mechanical sliding table, and other equivalent parts such as a telescopic cylinder which can drive the machine frame 5 to slide up and down, the second V-shaped holder 19 is used for placing the hollow aluminum ingot 25.

[0034] The aluminum profile extruder provided by the embodiment is used to start the first linear feeder 15 to make the two friction heating mechanisms close to each other until the outer walls of the two hollow aluminum ingots 25 on the grinding rollers 7 are in close contact with each other, and the rotating driving assembly 11 is started to make the two hollow aluminum ingots 25 rotate synchronously in the same direction or rotate synchronously in different directions at different speeds, the relative friction occurs at the outer walls of the two hollow aluminum ingots 25, and the dense oxide layer on the outer walls of the hollow aluminum ingots 25 is removed under the friction, and the temperature of the hollow aluminum ingots 25 is further increased during the friction, and the hollow aluminum ingots 25 are subjected to synchronous friction heating from the inside to the outside and from the outside to the inside under the synchronous friction of the grinding rollers 7, so that the uniformity of the friction heating of the hollow aluminum ingots 25 is further improved, and the hollow aluminum ingots 25 can reach the required heating temperature in a short time; when one hollow aluminum ingot 25 reaches the required heating temperature, the second driving cylinder 14 pushes the corresponding hollow aluminum ingot 25 into the V-shaped guide cavity 16 of the guide 13, and the hollow aluminum ingot 25 is fed to the first V-shaped holder 12 by the guide 13, without the need for manual or mechanical arm feeding of the hollow aluminum ingot 25, so that the degree of automation of the equipment is improved, and the amount of manual operation is further reduced; it should be noted that the hollow aluminum ingot 25 is subjected to friction heating at least twice before being fed into the guide 13, that is, after a group of hollow aluminum ingots 25 are fed, another group of hollow aluminum ingots 25 are subjected to friction heating with the newly fed hollow aluminum ingots 25, and then fed into the guide 13, so as to ensure the friction heating effect of the hollow aluminum ingots 25.

[0035] The hollow aluminum ingot 25 can be placed on the second V-shaped holder 19, the first linear feeder 15 and the second linear feeder 18 are started to make the grinding roller 7 face the middle part of the hollow aluminum ingot 25, and the third driving cylinder 20 is started to push the hollow aluminum ingot 25 to the grinding roller 7, so as to realize self-feeding of the hollow aluminum ingot 25 to the grinding roller 7, further improve the degree of automation of the equipment, and reduce the amount of manual operation.

[0036] In use, the hollow aluminum ingot 25 is placed at the second V-shaped holder 19, the output end of the third driving cylinder 20 is extended, the hollow aluminum ingot 25 is pushed to the grinding roller 7, the gantry 5 is driven by the second linear feeder 18 to move upwards until the bottom of the hollow aluminum ingot 25 is higher than the inner bottom wall of the inlet of the guide 13, the first linear feeder 15 is started, the two friction heating mechanisms are close to each other until the outer walls of the two hollow aluminum ingots 25 on the grinding rollers 7 are in close contact with each other, the movable arm 8 is swung by the first driving cylinder 10 until the outer wall of the driving roller 9 is in close contact with the outer wall of the hollow aluminum ingot 25, the driving roller 9 is rotated at high speed by the rotary driving assembly 11, the grinding roller 7 and the inner cavity of the hollow aluminum ingot 25 are rubbed, the outer walls of the two hollow aluminum ingots 25 are rubbed with each other, after the hollow aluminum ingot 25 is uniformly heated inside and outside to the required temperature, the rotary driving assembly 11 stops moving, the heated hollow aluminum ingot 25 is pushed into the guide 13 by the second driving cylinder 14, the hollow aluminum ingot 25 is guided to the first V-shaped holder 12 by the guide 13, the hollow aluminum ingot 25 is pushed into the core barrel 21 in the ingot barrel 3 by the hydraulic push rod 2, under the action of the necking portion 22, the hollow aluminum ingot 25 is further extruded and shaped, and the aluminum material forms the required aluminum profile after passing through the die 4.

[0037] It should be noted that the "one embodiment", "an embodiment", "exemplary embodiment", "some embodiments", and the like in the specification means that the described embodiment can include a particular feature, structure, or characteristic, but every embodiment can not necessarily include the particular feature, structure, or characteristic. In addition, such phrases do not necessarily refer to the same embodiment. In addition, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is within the knowledge of those skilled in the art to achieve such a feature, structure, or characteristic in connection with other embodiments whether explicitly described or not.

[0038] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An aluminum profile extruder comprising a main frame (1), a hydraulic push rod (2) mounted on the main frame (1), a crucible (3) and a die (4); characterized in that, The hollow aluminum ingot (25) and the friction heating mechanism for heating the hollow aluminum ingot (25) are also included, the friction heating mechanism comprises a frame (5), a fixed arm (6) fixedly installed on the frame (5), a grinding roller (7) fixedly installed on the fixed arm (6), a movable arm (8) hingedly installed on the frame (5), and a driving roller (9) rotatably installed on the movable arm (8), a first driving cylinder (10) for providing power for the rotation of the movable arm (8) is installed on the frame (5), one end of the first driving cylinder (10) is hingedly connected with the frame (5), and the other end of the first driving cylinder (10) is hingedly connected with the movable arm (8), and a rotary driving assembly (11) for providing power for the rotation of the driving roller (9) is installed on the movable arm (8).

2. The aluminum profile extruder according to claim 1, characterized in that A first V-shaped holder (12) between the hydraulic push rod (2) and the ingot containing cylinder (3) and an introducer (13) are also included, and a second driving cylinder (14) is installed on the fixed arm (6).

3. The aluminum profile extruder according to claim 2, characterized in that The two friction heating mechanisms are symmetrically arranged above the main frame body (1), the frame (5) is slidingly installed on the main frame body (1), a first linear feed (15) for providing power for the sliding of the frame (5) is installed on the main frame body (1), and a V-shaped introduction cavity (16) is arranged on the upper part of the introducer (13).

4. The aluminum profile extruder according to claim 3, characterized in that A vertical frame (17) installed on the first linear feed (15) is also included, the frame (5) sliding up and down is installed on the vertical frame (17), a second linear feed (18) for providing power for the up-and-down sliding of the frame (5) is installed on the vertical frame (17), and a feeding assembly corresponding to the two friction heating mechanisms is arranged on the main frame body (1), the feeding assembly comprises a second V-shaped holder (19) and a third driving cylinder (20).

5. The aluminum profile extruder according to claim 1, characterized in that, A core cylinder (21) is arranged in the ingot containing cylinder (3), a necked portion (22) is arranged at the feeding port of the core cylinder (21), and the inner diameter of the core cylinder (21) is smaller than the outer diameter of the hollow aluminum ingot (25).

6. The aluminum profile extruder according to claim 1, characterized in that Anti-skid lines (23) are arranged on the outer wall of the driving roller (9).

7. The aluminum profile extruder according to claim 1, characterized in that An open header (24) is placed on the top of the main frame body (1), and the open header (24) is located below the grinding roller (7).

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