Pipe extrusion and cutting process composite molding device

Abstract

The invention discloses a pipe extrusion and cutting process composite molding device, which is characterized in that an extrusion molding mechanism comprises a push rod motor arranged at one end of a base; the push rod table is arranged on the base and connected with the push rod motor through a sliding transmission mechanism; one end of the extrusion rod is connected with the push rod table, the other end is a free end, an extrusion rod support is arranged on the base, and the extrusion rod penetrates through the extrusion rod support and is in sliding connection with the extrusion rod support; the two ends of the discharging groove are through, the upper surface of the discharging groove is opened to form a groove-shaped discharging position, the two ends of the discharging groove are arranged behind the extrusion rod through a discharging groove support, and after the blank is arranged in the discharging groove, the extrusion rod enters from one end and pushes out the blank from the other end; the extrusion die assembly is arranged behind the discharging groove support, the blank is extruded to penetrate through the extrusion die assembly, and extrusion forming is completed; and the cutting mechanism is arranged behind the extrusion die assembly and is used for carrying out segmented cutting on the formed pipe. The extrusion module and the cutting module are combined, and the problems that traditional equipment is large in occupied area, low in precision and difficult to assemble are effectively solved.

Description

Technical Field

[0001] The invention relates to the technical field of pipe processing, in particular to a pipe extrusion and cutting process composite molding device. Background Art

[0002] Aluminum profiles are widely used in many fields such as construction, transportation, aerospace, etc. due to their high strength, good machinability, corrosion resistance and light weight. With the increasing demand for lightweight in modern transportation and aerospace industries, aluminum profiles, especially hollow aluminum profiles, have ushered in development opportunities. However, industrial profiles only account for 30% of the domestic aluminum profile product structure, which is significantly lower than that of countries such as the United States, Japan, and Germany, where industrial profiles account for 70%.

[0003] In the production of aluminum alloy pipes, the traditional process includes multiple independent processes, and the material transfer and adjustment between processes are frequent, which not only consumes a lot of production time, but also greatly increases production costs. In the extrusion process, the pipes often have dimensional deviations and surface defects; in the cutting process, the cutting size accuracy is difficult to guarantee.

[0004] The existing pipe extrusion and cutting process composite molding equipment, the extrusion and cutting equipment work independently, not only has low production efficiency, but also a high equipment damage rate. Moreover, the extrusion rod in the extruder needs to withstand the extrusion load and high temperature during operation, and is subjected to long-term friction, which has a high risk of damage. Summary of the invention

[0005] Purpose of the invention: In order to overcome the shortcomings of the background technology, the present invention discloses a composite forming device for pipe extrusion and cutting process.

[0006] Technical solution: The pipe extrusion and cutting process composite molding device disclosed in the present invention comprises an extrusion molding mechanism and a cutting mechanism, both of which are arranged on a base; The extrusion molding mechanism comprises: A push rod motor is arranged at one end of the base; A push rod platform is arranged on the base, and the push rod motor is connected to the push rod platform through a sliding transmission mechanism; An extrusion rod, one end of which is connected to the push rod platform, and the other end is a free end, and an extrusion rod bracket is arranged on the base, and the extrusion rod passes through the extrusion rod bracket and is slidably connected thereto; A material discharge trough, the two ends of which are penetrated, and the upper surface is opened to form a trough-shaped material discharge position. The two ends of the material discharge trough are respectively placed behind the drive of the extrusion rod through the material discharge trough bracket. After the blank is placed in the material discharge trough, the extrusion rod enters from one end and pushes the blank out from the other end; An extrusion die assembly is placed behind the material discharge chute support, and the blank is extruded through the extrusion die assembly to complete the extrusion molding; The cutting mechanism is placed behind the extrusion die assembly to perform segmented cutting on the formed pipe.

[0007] Furthermore, the base extends in a strip structure along the moving direction of the push rod table.

[0008] Furthermore, the sliding transmission mechanism includes a lead screw, a lead screw slider, a track, and a track slider. The two ends of the lead screw are arranged on the base through bearing seats and are connected to the driving end of the push rod motor. The lead screw slider is fixedly connected to the push rod table. The track is arranged on the base and is parallel to the lead screw. A track slider is arranged on the track, and the track slider is fixed to the push rod table. By driving the lead screw to rotate, the push rod table slides on the base.

[0009] Furthermore, the extrusion die assembly includes an extrusion die bracket arranged on the base. An extrusion die sleeve is arranged on the extrusion die bracket. A coaxial flow dividing die and a forming die are arranged inside the extrusion die module, and the blank passes through the flow dividing die and the forming die in sequence.

[0010] Furthermore, a separating knife assembly is arranged between the material feeding groove and the extrusion die assembly. The separating knife assembly includes a conveying die arranged between the material feeding groove and the extrusion die assembly. A separating knife bracket is erected on the conveying die. A separating knife hydraulic press is arranged on the separating knife bracket. The driving end of the separating knife hydraulic press is provided with a separating knife extending downward into the conveying die.

[0011] Furthermore, the cutting mechanism includes a lifting bracket arranged on the base. A lifting motor is arranged on the lifting bracket. A cutting bracket is slidably connected to the lifting bracket. The cutting bracket is connected to the driving end of the lifting motor. A cutting motor is arranged on the cutting bracket. The driving end of the cutting motor is connected to a cutting blade, and the axial direction of the cutting blade is consistent with the forming direction of the pipe.

[0012] Beneficial effects: Compared with the prior art, the advantages of the present invention are as follows: By combining the extrusion and cutting modules, the problems of large floor area, low precision, and difficult assembly of traditional equipment are effectively solved. Through modeling and simulation analysis of the extrusion rod, its mechanical properties and dynamic characteristics are ensured to meet the actual working requirements, and the stability of the extrusion process and the quality of the pipe are improved. Description of the Drawings

[0013] Figure 1 is a schematic diagram of the overall structure of the present invention; Figure 2 is a structural diagram of the extrusion die sleeve of the present invention; Figure 3 is a schematic diagram of the cutting mechanism of the present invention. Detailed Embodiments

[0014] Such as Figures 1-3The described composite forming device for pipe extrusion and cutting processes includes an extrusion forming mechanism and a cutting mechanism, both of which are arranged on the base 1. The base 1 extends in a strip structure along the moving direction of the push rod table 3.

[0015] The extrusion forming mechanism includes: A push rod motor 2, which is arranged at one end of the base 1; A push rod table 3, which is arranged on the base 1. The push rod motor 2 is connected to the push rod table 3 through a sliding transmission mechanism. The sliding transmission mechanism includes a lead screw 10, a lead screw slider, a track 11, and a track slider 12. The two ends of the lead screw 10 are arranged on the base 1 through bearing seats and are connected to the driving end of the push rod motor 2. The lead screw slider is fixedly connected to the push rod table 3. The track 11 is arranged on the base 1 and is parallel to the lead screw 10. The track slider 12 is arranged on the track 11, and the track slider 12 is fixed to the push rod table 3. By driving the lead screw 10 to rotate, the push rod table 3 slides on the base 1.

[0016] An extrusion rod 4. One end of the extrusion rod 4 is connected to the push rod table 3, and the other end is a free end. An extrusion rod support 5 is arranged on the base 1. The extrusion rod 4 passes through the extrusion rod support 5 and is slidably connected thereto; A material feeding groove 6. Both ends of the material feeding groove 6 are penetrated, and the upper surface is open to form a groove-shaped material feeding position. The two ends of the material feeding groove 6 are respectively placed behind the drive of the extrusion rod 4 through the material feeding groove supports 7. After the blank 8 is placed in the material feeding groove 6, the extrusion rod 4 enters from one end and pushes the blank 8 out from the other end; An extrusion die assembly 9. The extrusion die assembly 9 is placed behind the material feeding groove support 7. The blank 8 is extruded through the extrusion die assembly 9 to complete the extrusion forming. The extrusion die assembly 9 includes an extrusion die support 901 arranged on the base 1. An extrusion die sleeve 902 is arranged on the extrusion die support 901. A coaxial flow dividing die 903 and a forming die 904 are arranged in the extrusion die sleeve 902. The blank 8 passes through the flow dividing die 903 and the forming die 904 in sequence.

[0017] A separating knife assembly is arranged between the material feeding groove 6 and the extrusion die assembly 9. The separating knife assembly includes a conveying die 1304 arranged between the material feeding groove 6 and the extrusion die assembly 9. A separating knife support 1301 is erected on the conveying die 1304. A separating knife hydraulic press 1302 is arranged on the separating knife support 1301. The driving end of the separating knife hydraulic press 1302 is provided with a separating knife 1303 extending downward into the conveying die 1304.

[0018] The cutting mechanism is placed behind the extrusion die assembly 9 to perform segmented cutting on the formed pipe.

[0019] The cutting mechanism includes a lifting bracket 1401 provided on the base 1. An elevating motor 1402 is provided on the lifting bracket 1401. A cutting bracket 1403 is slidably connected to the lifting bracket 1401. The cutting bracket 1403 is connected to the driving end of the elevating motor 1402. A cutting motor 1404 is provided on the cutting bracket 1403. The driving end of the cutting motor 1404 is connected to a cutting blade 1405. The axial direction of the cutting blade 1405 is consistent with the forming direction of the pipe.

[0020] The construction steps are as follows: I. Preparation work: Heat the aluminum ingot to a certain temperature to fully soften the aluminum ingot. II. Feeding: Send the heated aluminum ingot to the feeding chute. III. Extrusion: The push rod motor drives the push rod table to drive the left and right movement of the extrusion rod. The extrusion rod pushes the aluminum ingot on the feeding chute, so that the aluminum ingot enters the mold. Under the combined use of the mold and the split die, the pipe extruded from the mold is roughly formed. The extrusion temperature can be accurately controlled by the thermodynamic formula, where is the extrusion temperature, is the initial temperature of the aluminum alloy blank, is the heat introduced by external heating, and is the heat lost due to friction during extrusion. IV. Primary cutting (scrap cutting): Cut by the separating tool, cut the aluminum ingot on the feeding chute, and separate the extruded product from the scrap, so as to remove impurities and improve the surface quality of the extruded profile. V. Secondary cutting: Completed by the cutting blade. VI. Forming: After two cuts, the cut pipe is the required pipe.

Claims

1. A composite forming device for pipe extrusion and cutting process, characterized in that: It comprises an extrusion molding mechanism and a cutting mechanism, both of which are arranged on a base (1); The extrusion molding mechanism comprises: A push rod motor (2) is arranged at one end of the base (1); The push rod platform (3) is arranged on the base (1), and the push rod motor (2) is connected to the push rod platform (3) via a sliding transmission mechanism; An extrusion rod (4), one end of the extrusion rod (4) is connected to the push rod platform (3), and the other end is a free end, an extrusion rod bracket (5) is arranged on the base (1), and the extrusion rod (4) passes through the extrusion rod bracket (5) and is slidably connected thereto; A material discharge trough (6), wherein both ends of the material discharge trough (6) are penetrated, and the upper surface is opened to form a trough-shaped material discharge position. Both ends of the material discharge trough (6) are respectively placed behind the drive of the extrusion rod (4) through a material discharge trough bracket (7). After the blank (8) is placed in the material discharge trough (6), the extrusion rod (4) enters from one end and pushes the blank (8) out from the other end; An extrusion die assembly (9), wherein the extrusion die assembly (9) is placed behind the material discharge chute bracket (7), and the blank (8) is extruded through the extrusion die assembly (9) to complete the extrusion molding; The cutting mechanism is arranged behind the extrusion die assembly (9) and cuts the formed pipe into sections.

2. The pipe extrusion and cutting process composite molding device according to claim 1 is characterized in that: The base (1) extends in a strip-shaped structure along the moving direction of the push rod platform (3).

3. The pipe extrusion and cutting process composite molding device according to claim 1 is characterized in that: The sliding transmission mechanism comprises a lead screw (10), a lead screw slider, a track (11), and a track slider (12); both ends of the lead screw (10) are arranged on a base (1) via bearing seats and are connected to a driving end of a push rod motor (2); the lead screw slider is fixedly connected to a push rod platform (3); the track (11) is arranged on the base (1) and is parallel to the lead screw (10); a track slider (12) is arranged on the track (11); the track slider (12) is fixed to the push rod platform (3); and the lead screw (10) is driven to rotate, so that the push rod platform (3) can slide on the base (1).

4. The pipe extrusion and cutting process composite molding device according to claim 1 is characterized in that: The extrusion die assembly (9) comprises an extrusion die support (901) arranged on a base (1), an extrusion die sleeve (902) being arranged on the extrusion die support (901), a coaxial flow divider die (903) and a forming die (904) being arranged in the extrusion module (902), and the blank (8) passes through the flow divider die (903) and the forming die (904) in sequence.

5. The pipe extrusion and cutting process composite molding device according to claim 1 is characterized in that: A separation knife assembly is provided between the material discharge chute (6) and the extrusion die assembly (9), the separation knife assembly comprising a transfer die (1304) provided between the material discharge chute (6) and the extrusion die assembly (9), a separation knife support (1301) being mounted on the transfer die (1304), a separation knife hydraulic press (1302) being provided on the separation knife support (1301), and a separation knife (1303) extending downward into the transfer die (1304) being provided at a driving end of the separation knife hydraulic press (1302).

6. The pipe extrusion and cutting process composite molding device according to claim 1, characterized in that: The cutting mechanism comprises a lifting bracket (1401) arranged on a base (1), a lifting motor (1402) being arranged on the lifting bracket (1401), a cutting bracket (1403) being slidably connected to the lifting bracket (1401), the cutting bracket (1403) being connected to a driving end of the lifting motor (1402), a cutting motor (1404) being arranged on the cutting bracket (1403), a driving end of the cutting motor (1404) being connected to a cutting blade (1405), and an axial direction of the cutting blade (1405) being consistent with a forming direction of the pipe.

Images