Continuous extruding machine for parallel flow zinc-sprayed aluminum flat tube production

Abstract

The utility model belongs to the technical field of parallel flow zinc-spraying aluminum flat pipe production equipment, and particularly relates to a continuous extruding machine for parallel flow zinc-spraying aluminum flat pipe production, which comprises a rack, an extruding mechanism is mounted in the rack, an extruding die is arranged in the rack, the extruding die is positioned on the right side of the extruding mechanism, and the rack comprises a shell. The extrusion mechanism comprises a first motor and a second motor, the first motor is installed on the outer side wall of the shell, the output end of the first motor is fixedly connected with a first rotating shaft, the outer surface of the first rotating shaft is fixedly connected with a first extrusion roller, and the second motor is installed on the outer side wall of the shell; the output end of the second motor is fixedly connected with a second rotating shaft, and the outer surface of the second rotating shaft is fixedly connected with a second extrusion roller. Under the action of the extrusion mechanism and the extrusion die, an aluminum material does not need to be preheated, the aluminum material is heated and deformed through heat generated by rotation of the main shaft, and the precision and the stability of a processed aluminum flat pipe product are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to parallel flow zinc -aluminum flat tube production equipment technical field, concretely is a kind of parallel flow zinc -aluminum flat tube production with continuous extruding machine. BACKGROUND

[0002] Parallel flow aluminum flat tube is also called microchannel aluminum flat tube, it is a kind of thin-walled porous flat tube material, after surface zinc spraying anticorrosion treatment becomes parallel flow zinc -aluminum flat tube, mainly applied to various refrigerant air conditioning systems, as the pipeline components of new type environmental protection refrigerant.

[0003] In prior art, when processing aluminum flat tube, generally preheating aluminum material to improve the temperature of aluminum material, so that aluminum material is deformed by extrusion, thereby processing into aluminum flat tube, but preheating aluminum material can cause aluminum material to be deformed after cooling, the precision of preheated aluminum material is low after processing into aluminum flat tube, thereby affecting use. SUMMARY

[0004] The utility model discloses a kind of parallel flow zinc -aluminum flat tube production with continuous extruding machine, without preheating aluminum material under the action of extruding mechanism and extruding die, the heat generated by main shaft rotation makes aluminum material heat deformation, improve the precision and stability of aluminum flat tube product after processing.

[0005] To achieve the above object, the technical scheme adopted by the utility model is: provide a kind of parallel flow zinc -aluminum flat tube production with continuous extruding machine, including rack, the inside of the rack is installed with extruding mechanism, the inside of the rack is provided with extruding die, the extruding die is located at the right side of extruding mechanism, the rack includes shell, the right side of the shell is installed with rear shell, the extruding mechanism includes first motor, second motor, the first motor is installed on the outer lateral wall of shell, the output of the first motor is fixedly connected with first rotating shaft, the outer surface of the first rotating shaft is fixedly connected with first extruding roller, the second motor is installed on the outer lateral wall of shell, the output of the second motor is fixedly connected with second rotating shaft, the outer surface of the second rotating shaft is fixedly connected with second extruding roller, and second extruding roller is located above first extruding roller.

[0006] Optionally, the left side wall of the rear shell is provided with a die cavity, and the inside of the rear shell is provided with a forming cavity, and the forming cavity is in communication with the die cavity.

[0007] Optionally, the inside of the shell is fixedly connected with a scraper, and the scraper is located below the first extruding roller.

[0008] Optionally, the extruding die includes a first die, the first die is installed in the inside of the die cavity, the inside of the first die is fixedly connected with a guide block, and the number of guide blocks is multiple.

[0009] Optionally, the left side wall of the first die is provided with a guide column between the first die and the first extrusion roller.

[0010] Optionally, the extrusion die further comprises a second die located at the right side of the first die, and the inside of the second die is provided with a guide slope.

[0011] Optionally, the diameter of the first extrusion roller is greater than that of the second extrusion roller, and a feeding channel is formed between the first extrusion roller and the second extrusion roller.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] In use, the aluminum material is embedded into the feeding channel to form dense solid aluminum material by pre-pressing, and a part of heat is generated when the aluminum material is deformed during pre-pressing, and the temperature is further increased by the friction between the rotation and the die cavity surface to make the aluminum material soft, the soft aluminum material is continuously pushed forward by the dense aluminum material, the soft aluminum material is plastically deformed by about 90 degrees by the guide column in the die cavity to enter the extrusion die, the temperature of the aluminum material is increased to about 450 DEG C to 500 DEG C to be in a semi-molten state, and then the aluminum flat tube with the same outlet end surface of the extrusion die is extruded, since the aluminum material does not need to be preheated, but is deformed by the heat generated by the main shaft rotation, the precision and stability of the aluminum flat tube product after processing are improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0015] Figure 1 It is a first perspective three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is a second perspective three-dimensional structure schematic view of the utility model;

[0017] Figure 3 It is a partial sectional three-dimensional structure schematic view of the utility model;

[0018] Figure 4 It is a first perspective three-dimensional structure schematic view of the utility model Figure 3 Enlarged structure schematic view of A in the utility model.

[0019] In the figure: 1, rack; 101, shell; 102, rear shell; 103, mold cavity; 104, forming cavity; 105, scraper; 2, extrusion mechanism; 201, first motor; 202, first rotating shaft; 203, first extrusion roller; 204, second motor; 205, second rotating shaft; 206, second extrusion roller; 3, extrusion die; 301, first die; 302, guide block; 303, second die; 304, guide column. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical solutions and beneficial effects of the present application more clear, the following will be further described in detail with reference to the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application, and are not used to limit the present application.

[0021] It should be noted that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0022] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0023] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0024] Reference Figures 1-4The utility model provides a kind of parallel flow spray zinc aluminium flat tube production with continuous extruding machine provided by the utility model embodiment, and the utility model provides a kind of parallel flow spray zinc aluminium flat tube production with continuous extruding machine, including rack 1, extruding mechanism 2 is installed in the inside of rack 1, aluminium material is extruded by extruding mechanism 2, aluminium material is constantly pushed into extrusion die 3 and is processed, extrusion die 3 is arranged in the inside of rack 1, aluminium material is processed into aluminium flat tube structure, extrusion die 3 is located at the right side of extruding mechanism 2, rack 1 includes shell 101, rear shell 102 is installed in the right side of shell 101, extruding mechanism 2 includes first motor 201, second motor 204, first motor 201 is installed in the outer lateral wall of shell 101, the output of first motor 201 is fixedly connected with first shaft 202, the outer surface of first shaft 202 is fixedly connected with first extruding roller 203, when first motor 201 works, the output of first motor 201 drives first shaft 202 to rotate, to drive first extruding roller 203 to rotate, second motor 204 is installed in the outer lateral wall of shell 101, the output of second motor 204 is fixedly connected with second shaft 205, the outer surface of second shaft 205 is fixedly connected with second extruding roller 206, when second motor 204 works, the output of second motor 204 drives second shaft 205 to rotate, to drive second extruding roller 206 to rotate, and second extruding roller 206 is located above first extruding roller 203, the diameter of first extruding roller 203 is greater than the diameter of second extruding roller 206, and the feeding channel is formed between first extruding roller 203 and second extruding roller 206, when using, aluminium material is added in feeding channel, and aluminium material is rubbed with die cavity 103 profile after rotation, to further increase temperature, so that the aluminium material at front end becomes soft, the aluminium material after softening is constantly pushed forward by dense aluminium material at rear end, to be processed into extrusion die 3, since aluminium material does not need to be preheated, but the heat generated by spindle rotation makes aluminium material heat deformation, improve the precision and stability of aluminium flat tube product after processing.

[0025] The parallel flow spray zinc aluminium flat tube production with continuous extruding machine provided by the utility model compared with prior art, since aluminium material does not need to be preheated, but the heat generated by spindle rotation makes aluminium material heat deformation, improve the precision and stability of aluminium flat tube product after processing.

[0026] In another embodiment of the utility model, please refer to Figure 3 And Figure 4The left side wall of the rear shell 102 is provided with a die cavity 103, and the interior of the rear shell 102 is provided with a forming cavity 104, which is communicated with the die cavity 103; the aluminum material firstly enters the die cavity 103 and then enters the forming cavity 104; the extrusion die 3 comprises a first die 301, which is installed in the interior of the die cavity 103; the interior of the first die 301 is fixedly connected with guide blocks 302, the number of the guide blocks 302 is multiple, the guide blocks 302 can perform primary processing on the aluminum material to form multiple through hole structures in the middle of the aluminum material; the left side wall of the first die 301 is provided with guide columns 304, which are located between the first die 301 and the first extrusion roller 203; the guide columns 304 make the softened aluminum material generate nearly 90° plastic deformation when passing through the die cavity 103 to enter the extrusion die 3, so that the temperature of the aluminum material is increased to about 450-500 DEG C to be in a nearly semi-molten state, and then the aluminum material is extruded to form an aluminum flat tube with the same outlet end face of the extrusion die 3; the extrusion die 3 further comprises a second die 303, which is located on the right side of the first die 301; the interior of the second die 303 is provided with a guide inclined surface; the second die 303 can perform secondary processing on the aluminum material to combine the upper and lower surfaces of the aluminum material, so that a completed aluminum flat tube structure is formed.

[0027] In another embodiment of the present application, please refer to Figure 3 The interior of the shell 101 is fixedly connected with a scraper 105, which is located below the first extrusion roller 203 and is used for cleaning the aluminum material remaining on the surface of the first extrusion roller 203.

[0028] Working principle: when in use, the aluminum material is embedded into the feeding channel to form dense solid aluminum material through pre-pressing; the aluminum material generates a part of heat when being deformed during pre-pressing; the temperature is further increased through the friction between the rotation and the die cavity 103, so that the aluminum material is softened; the softened aluminum material is continuously pushed forward by the dense aluminum material, so that the softened aluminum material generates nearly 90° plastic deformation through the guide columns 304 in the die cavity 103 to enter the extrusion die 3, so that the temperature of the aluminum material is increased to about 450-500 DEG C to be in a nearly semi-molten state, and then the aluminum material is extruded to form an aluminum flat tube with the same outlet end face of the die; since the aluminum material does not need to be preheated, but is deformed by the heat generated by the rotation of the main shaft, the precision and stability of the aluminum flat tube product after processing are improved.

[0029] The above only describes the preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A continuous extrusion machine for producing parallel flow zinc-aluminum flat tubes, comprising a frame (1), characterized in that: The inside of the rack (1) is provided with an extrusion mechanism (2), and the inside of the rack (1) is provided with an extrusion die (3), which is located on the right side of the extrusion mechanism (2), and the rack (1) comprises a shell (101), the right side of the shell (101) is provided with a rear shell (102), the extrusion mechanism (2) comprises a first motor (201) and a second motor (204), the first motor (201) is installed on the outer side wall of the shell (101), the output end of the first motor (201) is fixedly connected with a first rotating shaft (202), the outer surface of the first rotating shaft (202) is fixedly connected with a first extrusion roller (203), the second motor (204) is installed on the outer side wall of the shell (101), the output end of the second motor (204) is fixedly connected with a second rotating shaft (205), the outer surface of the second rotating shaft (205) is fixedly connected with a second extrusion roller (206), and the second extrusion roller (206) is located above the first extrusion roller (203).

2. The continuous extrusion machine for producing parallel flow zinc-aluminum flat tube according to claim 1, characterized in that: The left side wall of the rear shell (102) is provided with a die cavity (103), and the inside of the rear shell (102) is provided with a forming cavity (104) which is communicated with the die cavity (103).

3. The continuous extrusion machine for producing parallel flow zinc-aluminum flat tube according to claim 1, characterized in that: The inside of the shell (101) is fixedly connected with a scraper (105), and the scraper (105) is located below the first extrusion roller (203).

4. The continuous extrusion machine for producing parallel flow zinc-aluminum flat tube according to claim 2, characterized in that: The extrusion die (3) comprises a first die (301), the first die (301) is installed in the die cavity (103), the inside of the first die (301) is fixedly connected with a guide block (302), and the number of the guide block (302) is plural.

5. The continuous extrusion machine for producing parallel flow zinc-aluminum flat tube according to claim 4, characterized in that: The left side wall of the first die (301) is provided with a guide column (304), and the guide column (304) is located between the first die (301) and the first extrusion roller (203).

6. The continuous extrusion machine for producing parallel flow zinc-aluminum flat tube according to claim 4, wherein: The extrusion die (3) further comprises a second die (303), the second die (303) is located on the right side of the first die (301), and the inside of the second die (303) is provided with a guide inclined surface.

7. The continuous extrusion machine for producing parallel flow zinc-aluminum flat tube according to claim 1, wherein: The diameter of the first extrusion roller (203) is greater than that of the second extrusion roller (206), and the first extrusion roller (203) and the second extrusion roller (206) form a feeding channel.

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