CN118002636A

CN118002636A - Extrusion molding equipment and extrusion process for pipe aluminum alloy profile

Info

Publication number: CN118002636A
Application number: CN202410268305.4A
Authority: CN
Inventors: 陈桂平
Original assignee: Foshan Xiantai Aluminum Co ltd
Current assignee: Foshan Xiantai Aluminum Co ltd
Priority date: 2024-03-09
Filing date: 2024-03-09
Publication date: 2024-05-10
Anticipated expiration: 2044-03-09
Also published as: CN118002636B

Abstract

The invention relates to the field of extrusion molding of aluminum profiles, and discloses extrusion molding equipment for pipe aluminum alloy profiles, which comprises a frame, wherein a feeding mechanism, a heating mechanism, an extrusion mechanism and a die are arranged on the frame, the heating mechanism is provided with a feeding position, a heating position and a discharging position, the feeding position is used for receiving an aluminum bar sent by the feeding mechanism, the heating position is used for heating the aluminum bar, an extrusion cylinder is arranged between the discharging position and the die, the aluminum bar at the discharging position is pushed by the extrusion mechanism and is sent into the extrusion cylinder, and extrusion molding is completed under the cooperation of the extrusion mechanism and the die.

Description

Extrusion molding equipment and extrusion process for pipe aluminum alloy profile

Technical Field

The invention relates to the field of processing of aluminum profiles, in particular to the field of extrusion molding of aluminum profiles, and particularly relates to extrusion molding equipment and extrusion technology of pipe aluminum alloy profiles.

Background

The extrusion molding of aluminum profiles is to put the heated and softened aluminum bar into a spindle barrel of an extruder, push an extrusion rod through a high-power hydraulic cylinder, extrude and mold from a die precision molding hole to obtain the processing technology of the aluminum profile, then, the existing extrusion molding technology of the aluminum profile has some defects, for example, the aluminum bar is pulled into the extruder through a conveying structure after being heated, in the process, the aluminum bar can undergo a longer distance and has partial heat loss to affect the subsequent extrusion molding step, and the Chinese patent application publication No. CN117600848A is found through searching, so that the aluminum alloy profile extrusion molding device heats the aluminum bar through an aluminum bar heating furnace, sends the aluminum bar to the delivery of an aluminum bar conveyor, sends the aluminum bar into the extrusion barrel to perform the subsequent extrusion molding, and pushes the heated aluminum bar into the extrusion barrel in a linear mode, thereby improving the speed of the aluminum bar into the extrusion barrel and reducing the heat loss, but has some defects, for example: the aluminum bar still moves for a certain distance, specifically, the aluminum bar is pulled to move through the aluminum bar conveyor, the aluminum bar is clamped through the aluminum bar clamp, finally, the aluminum bar clamp and the clamped aluminum bar are moved together through the linear reciprocating mechanism, so that the zero part is positioned in the extrusion cylinder, the process needs to go through three actions, a certain time is still needed, and the problem of heat dissipation of the aluminum bar still exists; only one aluminum bar conveyor is arranged between the main hydraulic cylinder and the aluminum bar heating furnace, and the heat of the aluminum bar heating furnace can be transmitted to the main hydraulic cylinder, so that the service life of the main hydraulic cylinder is easily influenced; in the process of extrusion molding of the aluminum bar through the hydraulic cylinder technology, the speed of the hydraulic cylinder is relatively slow, which is unavoidable in the metal extrusion molding technology, in the patent literature, the main hydraulic cylinder moves towards the extrusion cylinder with the extrusion rod to be contacted with the aluminum bar in the extrusion cylinder, the extrusion is applied to the aluminum bar, the time spent in the stage of contact of the extrusion rod and the aluminum bar is relatively long, long-term accumulation is considerable, and the processing efficiency of the aluminum bar is affected.

Based on the above, the invention provides extrusion molding equipment and extrusion technology for pipe aluminum alloy profiles.

Disclosure of Invention

In order to solve the problems mentioned in the background, the invention provides extrusion molding equipment and extrusion process for pipe aluminum alloy profiles.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.

The extrusion molding equipment for the pipe aluminum alloy section comprises a frame, wherein a feeding mechanism, a heating mechanism, an extrusion mechanism and a die are arranged on the frame, the heating mechanism is provided with a feeding position, a heating position and a discharging position, the feeding position is used for receiving an aluminum rod sent by the feeding mechanism, the heating position is used for heating the aluminum rod, an extrusion cylinder is arranged between the discharging position and the die, the aluminum rod at the discharging position is pushed by the extrusion mechanism and is sent into the extrusion cylinder, and extrusion molding is completed under the cooperation of the extrusion mechanism and the die;

The heating mechanism comprises a rotating body with a horizontal axis and a motor I for driving the rotating body to rotate, the end face of the rotating body is provided with a mounting area, the mounting area comprises heating holes and heat insulation holes which are arranged on the end face of the rotating body in a penetrating mode, the mounting area is provided with three mounting areas along the circumferential direction of the rotating body in an array mode, the positions of the three mounting areas correspond to a feeding position, a heating position and a discharging position respectively, a heating member is arranged in the mounting area, the heating member is arranged between an avoidance state and a heating state to be switched, when the heating member is in the avoidance state, the heating member is used for assisting an aluminum rod to enter the mounting area or leave from the mounting area, and when the heating member is in the heating state, the heating member heats the aluminum rod.

Further, the heating member includes a heating assembly and a gas supply assembly disposed in the heating hole, and a driving assembly disposed in the heat insulating hole.

Further, the heating element is including coaxial heating furnace that is located the heating hole and both ends open-ended, and the outer disc of heating furnace is provided with the outer support, and the outer support is connected with the pore wall of heating hole, is provided with clamping part in the heating furnace, and the clamping part is provided with at least three group along the circumferencial direction array of heating furnace, and every clamping part of group all includes a plurality of groups clamping unit that distribute along the heating furnace axial lead array, and the air feed subassembly is including setting up the kitchen range in the heating furnace.

Further, an installation hole is formed in the outer circular surface of the heating furnace along the radial direction, the clamping unit comprises a rotary disk coaxially installed in the installation hole, a sliding hole is formed in the end surface of the rotary disk in a penetrating mode, a connecting shaft is sleeved in the sliding hole, a driving shaft coaxial with the rotary disk is installed on an outer support, connection between the driving shaft and the connecting shaft is achieved through a first sub-support, a second sub-support is arranged at one end, facing the axis of the heating furnace, of the connecting shaft, a clamping wheel is installed on the second sub-support, and the axis of the clamping wheel is perpendicular to the axis of the connecting shaft;

The outside cover of drive shaft is equipped with the spring that is located between branch support two and the outer support, and the drive shaft is hollow shaft shape and inside cover is equipped with the dabber, constitutes power connection through power connecting piece between dabber and the pinch roller.

Further, the driving assembly comprises a motor III and a fan which are arranged in the heat insulation hole, air flow generated by the operation of the fan blows to the die, the motor III is provided with two motors, one motor III is in power connection with the driving shaft through a power transmission component I, and the other motor III is in power connection with the mandrel through a power transmission component II.

Further, a rotating shaft is arranged on the frame and comprises a fixed section connected with the frame and a rotating section connected with the rotating body, the rotating section is rotationally connected with the fixed section, a first channel and a second channel are arranged on the end face of the fixed section, which faces the rotating section, a first connector communicated with the first channel and a second connector communicated with the second channel are arranged on the outer circular surface of the fixed section, the first connector is communicated with a fuel gas source, the second connector is communicated with a blower, a third channel and a fourth channel are arranged on the end face of the rotating section, which faces the fixed section, and an air hole I communicated with the third channel and an air hole II communicated with the fourth channel are arranged on the outer circular surface of the rotating section;

The air inlet end of the stove is provided with a gas pipe and an air pipe, the gas pipe is communicated with the first air hole, the air pipe is communicated with the second air hole, when the heating component is in a heating position, the first channel is communicated with the third channel, and the second channel is communicated with the fourth channel.

Further, the feeding mechanism comprises a feeding pipe, the feeding pipe and a heating hole of a mounting area of a feeding position are positioned on the same straight line, a feeding hopper is extended from the upper end face of the feeding pipe, a pushing plug is sleeved in the feeding pipe and driven by a straight line module arranged on the feeding pipe, and the pushing plug moves in the feeding pipe.

Further, one end of the extrusion cylinder is connected with the die, and the other end of the extrusion cylinder is close to the orifice of the heating hole of the installation area of the material outlet level.

Further, the extrusion mechanism and the die are respectively positioned at two sides of the heating mechanism, the extrusion mechanism comprises a hydraulic cylinder, a shell of the hydraulic cylinder is connected with a first screw rod which is arranged on the frame and parallel to the axis of the rotating body, the first screw rod is in power connection with a second motor which is arranged on the frame, and the shell of the hydraulic cylinder is in sliding fit with the frame.

An extrusion process of extrusion molding equipment for pipe aluminum alloy profiles comprises the following steps:

step one: the driving component in the heating component of the feeding level drives the driving shaft to rotate, so that the axial lead of the clamping wheel is perpendicular to the axial lead of the heating furnace, the feeding mechanism pushes the aluminum rod into the heating furnace of the feeding level, and the aluminum rod is clamped by the clamping wheels in the clamping components in a matched mode;

Step two: the motor drives the rotating body to rotate for one hundred twenty degrees, so that the heating component clamped with the aluminum bar moves to a heating position;

step three: the cooking range of the heating component at the heating position fires flame to heat the aluminum bar, and meanwhile, the driving component drives the mandrel to rotate, so that the clamping wheel rotates and the clamping wheel rotates with the aluminum bar;

Step four: after heating for a preset time, the motor I drives the rotating body to rotate for one hundred twenty degrees again, so that the heating component holding the heated aluminum rod moves to a discharging position;

step five: when the output end of the hydraulic cylinder pushes the aluminum bar into the extrusion cylinder, the second motor stops running, and meanwhile, the hydraulic cylinder runs and is matched with the die to carry out extrusion molding treatment on the aluminum bar.

Compared with the prior art, the invention has the beneficial effects that:

1. The rotating body rotates 120 degrees to enable the heated aluminum rod at the heating position to be shifted to the discharging position, the moving distance is shorter, the heat loss is small and almost no, meanwhile, the output end of the hydraulic cylinder is driven to be close to the discharging position through the screw rod technology, then the hydraulic cylinder is driven to move continuously through the screw rod until the aluminum rod is fed into the extrusion cylinder, the hydraulic cylinder operates and presses the aluminum rod by matching with the die, and extrusion molding is carried out on the aluminum rod, in the process, compared with the hydraulic cylinder, the screw rod technology has a much faster moving speed, the aluminum rod at the discharging position can be pushed into the extrusion cylinder in time, the heat loss is small and almost no, and the speed of pushing the aluminum rod into the extrusion cylinder is high, so that the efficiency is high, the overall processing efficiency can be obviously improved, and in short, the heat loss of the heated aluminum rod in the process of being fed into the extrusion cylinder is approximate to no, and the effect and the efficiency of the extrusion molding process are favorable to be improved;

2. After extrusion molding is finished, the hydraulic cylinder can be quickly far away from the heating mechanism through a screw rod technology, so that unnecessary loss caused by long-term waiting of the hydraulic cylinder in a high-temperature environment is avoided;

3. After the extrusion equipment is started, aluminum bar feeding, aluminum bar heating and aluminum bar extrusion can be performed simultaneously, and processing efficiency is greatly improved.

Drawings

FIG. 1 is a schematic diagram of a first embodiment of the present invention;

FIG. 2 is a schematic diagram of a second embodiment of the present invention;

FIG. 3 is a schematic diagram of a feed mechanism and an extrusion mechanism;

FIG. 4 is a schematic view of a heating mechanism;

FIG. 5 is a schematic view of a shaft and a heating member;

FIG. 6 is a cross-sectional view of the spindle;

FIG. 7 is a schematic view of a heating member;

FIG. 8 is a schematic view of a heating assembly;

FIG. 9 is a schematic view of a clamping unit;

fig. 10 is a cross-sectional view of the clamping unit.

The reference numerals in the drawings are:

100. A frame; 200. a feeding mechanism; 201. a feed pipe; 202. a feed hopper; 203. a linear module; 300. a heating mechanism; 301. a first motor; 302. a rotating body; 303. a rotating shaft; 3031. a fixed section; 3032. a rotating section; 3033. a first channel; 3034. a second channel; 3035. a third channel; 3036. a fourth channel; 304. heating the hole; 305. a heat insulating hole; 306. a heating member; 307. a third motor; 308. a blower; 309. a heating furnace; 3091. an outer bracket; 3092. a mounting hole; 310. a clamping member; 3101. a rotating disc; 3102. a connecting shaft; 3103. a drive shaft; 3104. a clamping wheel; 3105. a mandrel; 3106. a spring; 311. a first power transmission member; 312. a second power transmission member; 313. a cooking range; 314. a gas pipe; 315. an air tube; 400. an extrusion mechanism; 401. a hydraulic cylinder; 402. a first screw rod; 403. a second motor; 500. a mold; 501. and extruding the cylinder.

Detailed Description

In order to further describe the technical means and effects adopted by the present invention for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.

In the prior art, for example, national standard 6061-T6 generally comprises the following components: si0.4-0.8, fe0.35, cu0.15-0.4, mn0.15, mg0.8-1.2, cr0.04-0.35, zn0.25, ti0.15, wherein Rm (MPa) is more than or equal to 260, rp0.2 (MPa) is more than or equal to 240, A50mm (%) is more than or equal to 7; in this scheme, an aluminum alloy composition is: si0.5-0.8, fe0.25, cu0.2-0.4, mn0.15, mg0.9-1.2, cr0.05-0.3, zn0.2 and Ti0.15, wherein Rm (MPa) is more than or equal to 295, rp0.2 (MPa) is more than or equal to 255, A50mm (%) is more than or equal to 10, and the overall strength is higher and the performance is more superior.

Referring to fig. 1 and 2, a pipe aluminum alloy profile extrusion molding device comprises a frame 100, wherein a feeding mechanism 200, a heating mechanism 300, an extrusion mechanism 400 and a die 500 are installed on the frame 100, the heating mechanism 300 is provided with a feeding position, a heating position and a discharging position, the feeding position is used for receiving an aluminum rod sent by the feeding mechanism 200, the heating position is used for heating the aluminum rod, an extrusion barrel 501 is arranged between the discharging position and the die 500, the aluminum rod at the discharging position is pushed by the extrusion mechanism 400, and extrusion molding is completed under the cooperation of the extrusion mechanism 400 and the die 500 after the aluminum rod at the discharging position is sent into the extrusion barrel 501.

1. Heating mechanism 300:

Referring to fig. 2,4 and 5, the heating mechanism 300 includes a rotating body 302 and a first motor 301 for driving the rotating body 302 to rotate, the rotating body 302 is in a cylindrical shape, further, a rotating shaft 303 horizontally arranged is mounted on the stand 100, a sleeve hole is coaxially and penetratingly formed on an end surface of the rotating body 302, and the sleeve hole is sleeved outside the rotating shaft 303.

The terminal surface of rotator 302 has seted up the installation district, and the installation district is including running through heating hole 304 and the thermal-insulated hole 305 that set up on the rotator 302 terminal surface, and the pore wall in thermal-insulated hole 305 is provided with thermal insulation structure, for example thermal-insulated layer etc. the installation district is provided with three along the circumferencial direction array of rotator 302, and initially, the position that three installation districts were located has corresponding respectively and has advanced charge level, heating position and ejection of compact position.

The heating member 306 is arranged in the installation area, the heating member 306 is arranged between an avoidance state and a heating state to switch, when the avoidance state is adopted, the heating member 306 is used for assisting the aluminum rod to enter the installation area or leave from the installation area, and when the heating state is adopted, the heating member 306 heats the aluminum rod.

The heating member 306 includes a heating assembly and a gas supply assembly disposed within the heating aperture 304 and a drive assembly disposed within the insulating aperture 305.

Referring to fig. 7 and 8, the heating assembly includes a heating furnace 309 coaxially positioned in a heating hole 304 and having both ends opened, an outer circumferential surface of the heating furnace 309 is provided with an outer bracket 3091, and the outer bracket 3091 is connected with a wall of the heating hole 304.

The heating furnace 309 is provided with clamping members 310 therein, and specifically, the clamping members 310 are arranged in an array in at least three groups along the circumferential direction of the heating furnace 309, and each group of clamping members 310 includes a plurality of groups of clamping units distributed in an array along the axis of the heating furnace 309.

Referring to fig. 8, an outer circumferential surface of the heating furnace 309 is radially provided with a mounting hole 3092, and a clamping unit is provided in the mounting hole 3092.

Referring to fig. 9 and 10, the clamping unit includes a rotary disk 3101 coaxially installed in an installation hole 3092, a sliding hole is formed through an end surface of the rotary disk 3101, a connecting shaft 3102 is sleeved in the sliding hole, a driving shaft 3103 coaxial with the rotary disk 3101 is installed on an outer bracket 3091, connection between the driving shaft 3103 and the connecting shaft 3102 is achieved through a first sub-bracket, a second sub-bracket is arranged at one end of the connecting shaft 3102 facing the axis of the heating furnace 309, a clamping wheel 3104 is installed on the second sub-bracket, and the axis of the clamping wheel 3104 is perpendicular to the axis of the connecting shaft 3102.

The outside of the driving shaft 3103 is further sleeved with a spring 3106 between the second sub-bracket and the outer bracket 3091, and the elastic force of the spring 3106 is used for driving the second sub-bracket to be close to the axis of the heating furnace 309.

The driving shaft 3103 is in a hollow shaft shape, a spindle 3105 is sleeved in the driving shaft 3103, the spindle 3105 and the clamping wheel 3104 are in power connection through a power connection component, and further, referring to fig. 10, the spindle 3105 sequentially transmits power to the clamping wheel 3104 through a direct gear set, a gear shaft and a bevel gear set.

Referring to fig. 7 and 8, the driving assembly is used for providing power for the driving shaft 3103 and the spindle 3105, specifically, the driving assembly includes a third motor 307 and a fan 308 disposed in the heat insulation hole 305, and although the wall of the heat insulation hole 305 is provided with a heat insulation structure, heat is inevitably transferred into the heat insulation hole 305 through air, so that the fan 308 is provided to dissipate heat of the third motor 307, and meanwhile, the fan 308 blows hot air to the die 500, so that heat can be provided for aluminum bars in the extrusion barrel 501, and a heat insulation effect is achieved.

Two motors three 307 are provided.

A third motor 307 is in power connection with a driving shaft 3103 through a first power transmission part 311, further, referring to fig. 8, a first transmission shaft is mounted on an outer bracket 3091, the first transmission shaft is in power connection with the third motor 307 through a coupling, the first transmission shaft is in power connection with a second screw rod which is arranged on the outer bracket 3091 and is parallel to a heating furnace 309 through a bevel gear set, the second screw rod is connected with a movable seat which is slidably mounted on the outer bracket 3091 along the axial line direction of the heating furnace 309, a clamping part 310 comprises a movable rod which is slidably mounted on the outer bracket 3091 along the axial line direction of the heating furnace 309, the movable seat is connected with the movable rod through a first bracket body, the movable rods in two adjacent groups of clamping parts 310 are connected through a second bracket body, and racks arranged on the movable rods are meshed with gears arranged on the driving shaft 3103; the motor three 307 drives the screw rod two to rotate through the transmission shaft one and the bevel gear group, so that the movable seat moves, the movable seat moves together with the rack through the movable rod carried by the support body one or the support body two, the driving shaft 3103 rotates through the cooperation of the rack and the gear, the driving shaft 3103 rotates together with the branch frame one, the connecting shaft 3102, the rotating disc 3101, the branch support two and the clamping wheel 3104, and the axial lead of the clamping wheel 3104 is perpendicular to or parallel to the axial lead of the heating furnace 309.

The other motor three 307 is in power connection with the spindle 3105 through a power transmission part two 312, further, referring to fig. 8, a transmission shaft two is mounted on the outer bracket 3091, the transmission shaft two and the motor three 307 are in power connection through a coupler, the clamping part 310 comprises a transmission shaft three and a transmission shaft four which are mounted on the outer bracket 3091, the axis of the transmission shaft three is perpendicular to the axis of the heating furnace 309, the axis of the transmission shaft four is parallel to the axis of the heating furnace 309, the transmission shaft two and any one transmission shaft three are in power connection through two bevel gear sets, the transmission shafts three in two adjacent clamping parts 310 are in power connection through universal joints, the transmission shaft three and the transmission shaft four are in power connection through bevel gear sets, and the transmission shaft four and the spindle 3105 are in power connection through bevel gear sets; the power of the motor three 307 is sequentially transmitted to the spindle 3105 through the cooperation of the transmission shaft two, the bevel gear set, the transmission shaft three, the transmission shaft four and the universal joint, and the spindle 3105 is transmitted to the clamping wheel 3104 to drive the clamping wheel 3104 to rotate around the axis of the clamping wheel 3104.

Referring to fig. 5 and 6, the rotation shaft 303 is divided into a fixed section 3031 connected to the frame 100 and a rotary section 3032 connected to the rotary body 302 along the axial line direction, the rotary section 3032 is rotatably connected to the fixed section 3031, a first passage 3033 and a second passage 3034 are provided at the end surface of the fixed section 3031 facing the rotary section 3032, a first connector communicated with the first passage 3033 and a second connector communicated with the second passage 3034 are provided at the outer circumferential surface of the fixed section 3031, the first connector is communicated with a fuel gas source, the second connector is communicated with a blower, a third passage 3035 and a fourth passage 3036 are provided at the end surface of the rotary section 3032 facing the fixed section 3031, and an air hole first communicated with the third passage 3035 and an air hole second communicated with the fourth passage 3036 are provided at the outer circumferential surface of the rotary section 3032.

Referring to fig. 6 and 7, the air supply assembly includes a burner 313 disposed in the heating furnace 309, a gas pipe 314 and a gas pipe 315 are disposed at an air inlet end of the burner 313, the gas pipe 314 is communicated with a first air hole, the gas pipe 315 is communicated with a second air hole, and a plurality of groups of third channels 3035, fourth channels 3036, first air holes and second air holes are disposed corresponding to the heating members 306, when the heating members 306 are in a heating position, the first channels 3033 are communicated with the third channels 3035, the second channels 3034 are communicated with the fourth channels 3036, and at this time, gas and air can enter the burner 313 of the heating members 306 in the heating position to burn flames.

2. The rest mechanisms are as follows:

Referring to fig. 2 and 3, the feeding mechanism 200 includes a feeding pipe 201, a feeding hopper 202 extends from an upper end surface of the feeding pipe 201, an aluminum rod falls into the feeding pipe 201 through the feeding hopper 202, a plunger is sleeved in the feeding pipe 201 and is driven by a linear module 203 to move in the feeding pipe 201, and the aluminum rod in the feeding pipe 201 is pushed into the heating hole 304 of the installation area of the feeding position.

Referring to fig. 2 and 3, the extrusion vessel 501 has one end connected to the die 500 and the other end near the mounting area orifice of the discharge level.

The extrusion mechanism 400 and the die 500 are respectively positioned at two sides of the heating mechanism 300, the extrusion mechanism 400 comprises a hydraulic cylinder 401, the outer shell of the hydraulic cylinder 401 is connected with a first screw rod 402 which is arranged on the frame 100 and is parallel to the axis of the rotating body 302, the first screw rod 402 is driven to rotate by a second motor 403, and the outer shell of the hydraulic cylinder 401 is in sliding fit with the frame 100; the heating time of aluminum bar is obviously more than the extrusion time of aluminum profile, therefore, can drive pneumatic cylinder 401 to be close to heating mechanism 300 fast through lead screw one 402, push the aluminum bar of play material level to the extrusion section of thick bamboo 501 in, then press the aluminum bar through pneumatic cylinder 401, carry out aluminum profile extrusion, this mode can improve the moving speed of pneumatic cylinder 401 greatly, and then improve efficiency, after aluminum profile extrusion finishes, can drive pneumatic cylinder 401 to keep away from heating mechanism 300 fast through lead screw one 402, avoid pneumatic cylinder 401 to wait in high temperature environment for a long time, produce unnecessary loss.

The working principle of the invention is as follows:

Feeding: firstly, the driving component in the heating component 306 at the feeding level operates to drive the driving shaft 3103 to rotate, so that the axial line of the clamping wheel 3104 is perpendicular to the axial line of the heating furnace 309, then the feeding mechanism 200 pushes the aluminum rod into the heating furnace 309 at the feeding level, in the process, because the cylindrical shape of the clamping wheel 3104 and the outer diameter of the aluminum rod are slightly larger than the minimum distance between the clamping wheel 3104 and the axial line of the heating furnace 309, the aluminum rod can push the clamping wheel 3104 to retreat a bit, the spring 3106 is compressed, but the aluminum rod is not influenced to enter the heating furnace 309 and is clamped by the clamping wheels 3104 in the plurality of groups of clamping components 310, and it is noted that the driving component can drive the mandrel 3105 to rotate, so as to drive the clamping wheel 3104 to rotate, and assist in drawing the aluminum rod into the heating furnace 309;

heating: the first motor 301 drives the rotating body 302 to rotate for one hundred twenty degrees, so that the heating member 306 with the aluminum bar clamped therein moves to a heating position, the empty heating member 306 moves to a feeding position to receive the aluminum bar, and in the rotating process of the rotating body 302, a driving assembly in the heating member 306 with the aluminum bar clamped therein operates, and drives the driving shaft 3103 to rotate, so that the axial lead of the clamping wheel 3104 is parallel to the axial lead of the heating furnace 309;

The cooking range 313 of the heating member 306 at the heating position is communicated with a gas source and a blower, the cooking range 313 fires flame to heat the aluminum bar, and meanwhile, the driving assembly drives the mandrel 3105 to rotate, and further drives the clamping wheel 3104 to rotate, so that the aluminum bar is heated more uniformly;

Extrusion molding: after heating for a preset time, the first motor 301 drives the rotating body 302 to rotate for one hundred twenty degrees again, so that the heating member 306 holding the heated aluminum bar moves to the discharging position, in the rotating process, the second motor 403 drives the first screw rod 402 to rotate, so that the hydraulic cylinder 401 approaches to the heating mechanism 300, until the output end of the hydraulic cylinder 401 pushes the aluminum bar into the extrusion barrel 501, the second motor 403 stops running, and meanwhile, the hydraulic cylinder 401 runs and is matched with the die 500 to perform extrusion molding treatment on the aluminum bar.

In the above process:

The present invention is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present invention.

Claims

1. The extrusion molding equipment for the pipe aluminum alloy section comprises a frame (100), and is characterized in that a feeding mechanism (200), a heating mechanism (300), an extrusion mechanism (400) and a die (500) are arranged on the frame (100), the heating mechanism (300) is provided with a feeding position, a heating position and a discharging position, the feeding position is used for receiving an aluminum rod sent by the feeding mechanism (200), the heating position is used for heating the aluminum rod, an extrusion cylinder (501) is arranged between the discharging position and the die (500), the aluminum rod at the discharging position is pushed by the extrusion mechanism (400), and extrusion molding is completed under the cooperation of the extrusion mechanism (400) and the die (500) after the aluminum rod is sent into the extrusion cylinder (501);

The heating mechanism (300) comprises a rotating body (302) with a horizontal axis and a motor I (301) for driving the rotating body (302) to rotate, the end face of the rotating body (302) is provided with a mounting area, the mounting area comprises heating holes (304) and heat insulation holes (305) penetrating through the end face of the rotating body (302), three mounting areas are arranged in an array mode along the circumferential direction of the rotating body (302), the positions of the three mounting areas correspond to a feeding position, a heating position and a discharging position respectively, a heating member (306) is arranged in the mounting area, the heating member (306) is arranged between an avoidance state and a heating state to be switched, when the aluminum bar enters the mounting area or leaves from the mounting area, and when the aluminum bar is in the heating state, the heating member (306) heats the aluminum bar.

2. A pipe-like aluminium alloy profile extrusion moulding apparatus according to claim 1, wherein the heating member (306) comprises a heating assembly and a gas supply assembly arranged in the heating aperture (304) and a drive assembly arranged in the heat insulation aperture (305).

3. The extrusion molding equipment for tube aluminum alloy profiles according to claim 2, wherein the heating assembly comprises a heating furnace (309) coaxially arranged in a heating hole (304) and provided with two open ends, an outer support (3091) is arranged on the outer circular surface of the heating furnace (309), the outer support (3091) is connected with the wall of the heating hole (304), clamping components (310) are arranged in the heating furnace (309), at least three groups of clamping components (310) are arranged in an array along the circumferential direction of the heating furnace (309), each group of clamping components (310) comprises a plurality of groups of clamping units distributed along the axis array of the heating furnace (309), and the air supply assembly comprises a stove head (313) arranged in the heating furnace (309).

4. The extrusion molding equipment for the pipe aluminum alloy profile according to claim 3, wherein an installation hole (3092) is formed in the outer circumferential surface of the heating furnace (309) along the radial direction, the clamping unit comprises a rotary disk (3101) coaxially installed in the installation hole (3092), a sliding hole is formed in the end surface of the rotary disk (3101) in a penetrating mode, a connecting shaft (3102) is sleeved in the sliding hole, a driving shaft (3103) coaxial with the rotary disk (3101) is installed on an outer support (3091), connection between the driving shaft (3103) and the connecting shaft (3102) is achieved through a first sub support, a second sub support is arranged at one end, facing the axis of the heating furnace (309), of the connecting shaft (3102), a clamping wheel (3104) is installed on the second sub support, and the axis of the clamping wheel (3104) is perpendicular to the axis of the connecting shaft (3102);

A spring (3106) positioned between the second sub-bracket and the outer bracket (3091) is sleeved outside the driving shaft (3103), the driving shaft (3103) is in a hollow shaft shape, a mandrel (3105) is sleeved inside the driving shaft, and the mandrel (3105) and the clamping wheel (3104) are in power connection through a power connection part.

5. The extrusion molding equipment for pipe aluminum alloy profiles according to claim 4, wherein the driving assembly comprises a motor III (307) and a fan (308) which are arranged in the heat insulation hole (305), air flow generated by the operation of the fan (308) blows to the mold (500), the motor III (307) is provided with two motors, one motor III (307) and the driving shaft (3103) are in power connection through a first power transmission component (311), and the other motor III (307) and the mandrel (3105) are in power connection through a second power transmission component (312).

6. The extrusion molding equipment for tube aluminum alloy profiles according to claim 4, wherein a rotating shaft (303) is mounted on the frame (100), the rotating shaft (303) comprises a fixed section (3031) connected with the frame (100) and a rotating section (3032) connected with the rotating body (302), the rotating section (3032) is rotationally connected with the fixed section (3031), a first channel (3033) and a second channel (3034) are arranged on the end face of the fixed section (3031) facing the rotating section (3032), a first joint communicated with the first channel (3033) and a second joint communicated with the second channel (3034) are arranged on the outer circumferential surface of the fixed section (3031), the first joint is communicated with a gas source, the second joint is communicated with a blower, a third channel (3035) and a fourth channel (3036) are arranged on the end face of the rotating section (3032), and a first air hole communicated with the third channel (3035) and a second air hole communicated with the fourth channel (3036) are arranged on the outer circumferential surface of the rotating section (3032);

The air inlet end of the cooking range (313) is provided with a gas pipe (314) and an air pipe (315), the gas pipe (314) is communicated with an air hole I, the air pipe (315) is communicated with an air hole II, when the heating component (306) is in a heating position, the first channel (3033) is communicated with the third channel (3035), and the second channel (3034) is communicated with the fourth channel (3036).

7. The extrusion molding equipment for tube aluminum alloy profiles according to claim 4, wherein the feeding mechanism (200) comprises a feeding tube (201), the feeding tube (201) and a heating hole (304) of a mounting area of a feeding position are positioned on the same straight line, a feeding hopper (202) extends from the upper end surface of the feeding tube (201), a pushing plug is sleeved in the feeding tube (201), and the pushing plug is driven by a straight line module (203) arranged on the feeding tube (201) to move in the feeding tube (201).

8. The extrusion molding equipment for tube aluminum alloy profiles according to claim 4, wherein the extrusion mechanism (400) and the die (500) are respectively positioned at two sides of the heating mechanism (300), the extrusion mechanism (400) comprises a hydraulic cylinder (401), a shell of the hydraulic cylinder (401) is connected with a first screw rod (402) which is arranged on the frame (100) and is parallel to the axis of the rotating body (302), the first screw rod (402) is in power connection with a second motor (403) which is arranged on the frame (100), and the shell of the hydraulic cylinder (401) is in sliding fit with the frame (100).

9. The extrusion process of a pipe-type aluminum alloy profile extrusion molding apparatus as claimed in claim 8, comprising the steps of:

Step one: the driving component in the heating component (306) at the feeding level drives the driving shaft (3103) to rotate, so that the axial line of the clamping wheel (3104) is perpendicular to the axial line of the heating furnace (309), and the feeding mechanism (200) pushes the aluminum rod into the heating furnace (309) at the feeding level and clamps the aluminum rod in a matched mode through the clamping wheels (3104) in the clamping components (310);

Step two: the first motor (301) drives the rotating body (302) to rotate for one hundred twenty degrees, so that the heating component (306) with the aluminum rod clamped is moved to a heating position, and in the process, the driving component in the heating component (306) with the aluminum rod clamped drives the driving shaft (3103) to rotate, so that the axial line of the clamping wheel (3104) is parallel to the axial line of the heating furnace (309);

step three: the cooking range of the heating component (306) at the heating position fires flame to heat the aluminum bar, and meanwhile, the driving component drives the mandrel (3105) to rotate, so that the clamping wheel (3104) rotates, and the clamping wheel (3104) rotates with the aluminum bar;

Step four: after heating for a preset time, the motor I (301) drives the rotating body (302) to rotate for one hundred twenty degrees again, so that the heating member (306) clamping the heated aluminum bar moves to a discharging position, and in the process, the motor II (403) drives the screw rod I (402) to rotate, so that the hydraulic cylinder (401) is close to the heating mechanism (300);

Step five: when the output end of the hydraulic cylinder (401) pushes the aluminum bar into the extrusion cylinder (501), the motor II (403) stops running, and meanwhile, the hydraulic cylinder (401) runs and is matched with the die (500) to carry out extrusion molding treatment on the aluminum bar.