CN221754512U - A profile extrusion die - Google Patents

Abstract

The utility model discloses a section extrusion die which comprises a frame, a forming die arranged at the upper end of the frame and a forming groove arranged at the top of the forming die, wherein an extrusion mechanism is arranged above the forming die; the extrusion mechanism comprises a top plate arranged above the forming die, an extrusion plate which corresponds to and is matched with the forming groove is arranged below the top plate, and an air cylinder for driving the extrusion plate to lift is arranged at the upper end of the top plate; the extrusion plate is provided with an pushing structure, the pushing structure comprises connecting plates symmetrically arranged on the side face of the upper end of the extrusion plate, and one end, far away from the extrusion plate, of the bottom of each connecting plate is provided with a compression column. This section bar extrusion die through connecting plate, pressure post, lifter plate, second stand, compression spring, the mutually supporting of end cap that set up can be convenient after the shaping release shaping groove with the section bar, and then the taking off of the section bar of being convenient for need not to additionally set up the actuating source, with the lift follow-up of stripper plate, simple structure.

Description

A profile extrusion die

Technical Field

The utility model relates to the technical field of profile production, in particular to a profile extrusion die.

Background Art

Molds are various molds and tools used in industrial production to obtain the desired products by injection molding, blow molding, extrusion, die casting or forging molding, smelting, stamping and other methods. In short, molds are tools used to make molded objects. This tool is composed of various parts, and different molds are composed of different parts. It mainly realizes the processing of the shape of the object by changing the physical state of the molded material. It is known as the "mother of industry".

Aluminum profile is an alloy material with aluminum as the main component. Aluminum rods are hot-melted and extruded to obtain aluminum materials with different cross-sectional shapes. Extrusion dies are required in the extrusion molding process of aluminum profiles.

Most profile extrusion dies in the prior art are generally provided with a demoulding mechanism after extrusion molding because the molded profile is located in the molding cavity and is inconvenient to remove. However, the existing demoulding mechanism has a relatively complex structure and requires a separate power source, which is costly. In addition, the workpiece generally needs to be manually positioned and aligned before molding, which is less convenient.

Therefore, it is necessary to propose a profile extrusion die to solve the above problems.

Utility Model Content

The main purpose of the utility model is to provide a profile extrusion die, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical solution adopted by the utility model is:

A profile extrusion die comprises a frame, a forming die arranged at the upper end of the frame and a forming groove arranged at the top of the forming die, wherein an extrusion mechanism is arranged above the forming die;

The extrusion mechanism comprises a top plate arranged above the forming die, an extrusion plate corresponding to and adapted to the forming groove is arranged below the top plate, and a cylinder for driving the extrusion plate to rise and fall is arranged at the upper end of the top plate;

The extrusion plate is provided with a pushing structure, and the pushing structure includes a connecting plate symmetrically arranged on the side of the upper end of the extrusion plate, and a pressure column is arranged at one end of the bottom of the connecting plate away from the extrusion plate;

It also includes an automatic ejection mechanism, which includes a lifting plate arranged below the frame, second columns extending to the top of the frame are symmetrically arranged at both ends of the top of the lifting plate, end caps higher than the forming mold and corresponding to the pressure columns are arranged on the top of the second columns, a compression spring is sleeved on the outer side of the upper end of the second column, and a lifting column extending to the inner side of the forming groove is arranged on the top of the lifting plate.

Preferably, the compression spring is located between the end cap and the top of the frame, so that the compression spring can be contracted when the pressure column presses the end cap.

Preferably, the number of the supporting columns is at least two, and the tops of the supporting columns are flush with the top of the forming mold.

Preferably, first through holes are symmetrically provided at both ends of the frame, and the upper ends of the second columns extend from the first through holes to the top of the frame.

Preferably, a third through hole corresponding to the supporting column is formed on the frame, a second through hole corresponding to the third through hole is formed on the molding die, and the upper end of the supporting column extends to the inner side of the molding groove through the third through hole and the second through hole.

Preferably, a positioning component is further included, and the positioning component includes a fixing plate arranged on the side wall of the lifting plate, and the top of the fixing plate and the tops of both ends of the lifting plate are both provided with positioning columns extending to the top of the molding die.

Preferably, the positioning column on the lifting plate is located between the second column and the lifting column, the positioning column on the fixed plate is located at the top of the fixed plate away from the lifting plate, and the upper ends of the multiple positioning columns are adapted to the aluminum rod to be extruded in the space enclosed at the top of the forming mold.

Preferably, the frame is provided with a fifth through hole corresponding to and adapted to the positioning column, the periphery of the molding die is provided with a fourth through hole corresponding to and adapted to the fifth through hole, and the upper end of the positioning column extends to the top of the molding die through the fifth through hole and the fourth through hole.

Preferably, a first column is arranged around the bottom of the top plate and between the frame, and a guide column movably connected to the top plate through a guide sleeve is arranged on the top of the extrusion plate.

Beneficial Effects

Compared with the prior art, the utility model provides a profile extrusion die, which has the following beneficial effects:

1. The profile extrusion die can facilitate the profile to be pushed out of the forming groove after forming through the cooperation of the connecting plate, the pressure column, the lifting plate, the second column, the compression spring and the end cap, so as to facilitate the removal of the profile. When the extrusion plate moves downward, the lifting column moves downward, and when the extrusion plate rises and resets, the compression spring resets, and then the lifting column pushes the profile out. No additional driving source is required, and it moves with the lifting and lowering of the extrusion plate, with a simple structure and low cost.

2. The profile extrusion die can realize the positioning of the aluminum rod to be extruded by setting the fixed plate and the positioning column, which increases the convenience. The positioning column can rise and fall with the lifting column. It can be positioned before extrusion, move downward during extrusion, and rise and reset after extrusion without interfering with the extrusion plate.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic diagram of the structure of the utility model;

FIG2 is a schematic diagram of the structure of the automatic ejection mechanism and positioning components of the utility model;

FIG3 is a schematic structural diagram of the push structure of the utility model;

FIG. 4 is a schematic cross-sectional view of the frame and the molding die of the utility model.

In the figure: 1, frame; 2, first column; 3, top plate; 4, cylinder; 5, extrusion plate; 6, guide column; 7, molding die; 8, molding groove; 9, connecting plate; 10, end cap; 11, lifting plate; 12, second column; 13, compression spring; 14, first through hole; 15, lifting column; 16, fixing plate; 17, positioning column; 18, pressure column; 19, second through hole; 20, third through hole; 21, fourth through hole; 22, fifth through hole.

DETAILED DESCRIPTION

In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

As shown in Figures 1-4, a profile extrusion die includes a frame 1, a forming die 7 arranged at the upper end of the frame 1, and a forming groove 8 arranged at the top of the forming die 7, an extrusion mechanism is arranged above the forming die 7; the extrusion mechanism includes a top plate 3 arranged above the forming die 7, an extrusion plate 5 corresponding to and adapted to the forming groove 8 is arranged below the top plate 3, a cylinder 4 for driving the extrusion plate 5 to rise and fall is arranged at the upper end of the top plate 3, a first column 2 is arranged around the bottom of the top plate 3 and between the frame 1, and a guide column 6 movably connected to the top plate 3 through a guide sleeve is arranged on the top of the extrusion plate 5.

Furthermore, a pushing structure is provided on the extrusion plate 5, and the pushing structure includes a connecting plate 9 symmetrically arranged on the side of the upper end of the extrusion plate 5, and a pressure column 18 is provided at one end of the bottom of the connecting plate 9 away from the extrusion plate 5;

Furthermore, it also includes an automatic ejection mechanism, which includes a lifting plate 11 arranged below the frame 1, and second columns 12 extending to the top of the frame 1 are symmetrically arranged at both ends of the top of the lifting plate 11, and first through holes 14 are symmetrically arranged at both ends of the frame 1. The upper end of the second column 12 extends from the first through hole 14 to the top of the frame 1, and an end cap 10 higher than the molding die 7 and corresponding to the pressure column 18 is arranged on the top of the second column 12. A compression spring 13 is sleeved on the outer side of the upper end of the second column 12, and the compression spring 13 is located between the end cap 10 and the compression column 18. Between the top of the frame 1, the compression spring 13 can be contracted when the pressure column 18 presses the end cap 10, and the top of the lifting plate 11 is provided with a supporting column 15 extending to the inner side of the molding groove 8. The number of the supporting columns 15 is at least two, and the top of the supporting column 15 is flush with the top of the molding mold 7. A third through hole 20 corresponding to the supporting column 15 is opened on the frame 1, and a second through hole 19 corresponding to the third through hole 20 is opened on the molding mold 7. The upper end of the supporting column 15 extends to the inner side of the molding groove 8 through the third through hole 20 and the second through hole 19.

Furthermore, it also includes a positioning component, which includes a fixed plate 16 arranged on the side wall of the lifting plate 11, and the top of the fixed plate 16 and the tops of both ends of the lifting plate 11 are provided with positioning columns 17 extending to the top of the molding die 7, and the frame 1 is provided with a fifth through hole 22 corresponding to and adapted to the positioning column 17, and the periphery of the molding die 7 is provided with a fourth through hole 21 corresponding to and adapted to the fifth through hole 22, and the upper end of the positioning column 17 extends to the top of the molding die 7 through the fifth through hole 22 and the fourth through hole 21, and the positioning column 17 on the lifting plate 11 is located between the second column 12 and the supporting column 15, and the positioning column 17 on the fixed plate 16 is located at the top of the fixed plate 16 away from the lifting plate 11. The upper ends of multiple positioning columns 17 are adapted to the aluminum rod to be extruded in the space surrounded by the top of the molding die 7.

It should be noted that the utility model is a profile extrusion die. When in use, the aluminum rod to be extruded is placed between multiple positioning columns 17 on the top of the forming die 7 for positioning, and then the cylinder 4 is started to drive the extrusion plate 5 to move downward, and the guide column 6 is used for guidance. Before the extrusion plate 5 contacts the aluminum rod, the pressure column 18 first contacts the end cap 10, and then the end cap 10 moves downward and drives the lifting plate 11 to move downward through the second column 12, the compression spring 13 contracts, the lifting plate 11 drives the supporting column 15 to move downward, and at the same time the positioning column 17 moves downward, the extrusion plate 5 extrude the aluminum rod to cooperate with the forming groove 8 to form, and finally the cylinder 4 drives the extrusion plate 5 to rise and reset, the compression spring 13 resets, the upper end of the positioning column 17 protrudes from the top of the forming die 7, the lifting plate 11 rises and drives the supporting column 15 to rise to lift the profile, and then it can be removed.

The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims (9)

1. A profile extrusion die, comprising a frame (1), a forming die (7) arranged at the upper end of the frame (1), and a forming groove (8) arranged at the top of the forming die (7), wherein an extrusion mechanism is arranged above the forming die (7); The invention is characterized in that the extrusion mechanism comprises a top plate (3) arranged above the forming die (7), an extrusion plate (5) corresponding to and adapted to the forming groove (8) is arranged below the top plate (3), and a cylinder (4) for driving the extrusion plate (5) to rise and fall is arranged at the upper end of the top plate (3); The extrusion plate (5) is provided with a pushing structure, the pushing structure comprising a connecting plate (9) symmetrically arranged on the side of the upper end of the extrusion plate (5), and a pressure column (18) is arranged at one end of the bottom of the connecting plate (9) away from the extrusion plate (5); The automatic ejection mechanism also includes an elevating plate (11) arranged below the frame (1), second columns (12) extending to the top of the frame (1) are symmetrically arranged at both ends of the top of the elevating plate (11), the top of the second column (12) is provided with an end cap (10) higher than the molding die (7) and corresponding to the pressure column (18), the outer side of the upper end of the second column (12) is sleeved with a compression spring (13), and the top of the elevating plate (11) is provided with a lifting column (15) extending to the inner side of the molding groove (8). 2. A profile extrusion die according to claim 1, characterized in that the compression spring (13) is located between the end cap (10) and the top of the frame (1), so that the compression spring (13) can be contracted when the pressure column (18) presses the end cap (10). 3. A profile extrusion die according to claim 2, characterized in that: the number of the supporting columns (15) is at least two, and the top of the supporting columns (15) is flush with the top of the forming die (7). 4. A profile extrusion die according to claim 3, characterized in that: first through holes (14) are symmetrically arranged at both ends of the frame (1), and the upper end of the second column (12) extends from the first through hole (14) to the top of the frame (1). 5. A profile extrusion die according to claim 4, characterized in that: a third through hole (20) corresponding to the supporting column (15) is opened on the frame (1), a second through hole (19) corresponding to the third through hole (20) is opened on the forming die (7), and the upper end of the supporting column (15) extends to the inner side of the forming groove (8) through the third through hole (20) and the second through hole (19). 6. A profile extrusion die according to claim 5, characterized in that it also includes a positioning component, the positioning component includes a fixed plate (16) arranged on the side wall of the lifting plate (11), and the top of the fixed plate (16) and the tops of both ends of the lifting plate (11) are provided with positioning columns (17) extending to the top of the molding die (7). 7. A profile extrusion die according to claim 6, characterized in that: the positioning column (17) on the lifting plate (11) is located between the second column (12) and the supporting column (15), the positioning column (17) on the fixed plate (16) is located at the top of the fixed plate (16) away from the lifting plate (11), and the upper ends of the plurality of positioning columns (17) are adapted to the aluminum rod to be extruded in the space enclosed at the top of the forming die (7). 8. A profile extrusion die according to claim 7, characterized in that: a fifth through hole (22) corresponding to and adapted to the positioning column (17) is provided on the frame (1), a fourth through hole (21) corresponding to and adapted to the fifth through hole (22) is provided on the periphery of the forming die (7), and the upper end of the positioning column (17) extends to the top of the forming die (7) through the fifth through hole (22) and the fourth through hole (21). 9. A profile extrusion die according to claim 1, characterized in that: a first column (2) is arranged around the bottom of the top plate (3) and between the frame (1), and a guide column (6) movably connected to the top plate (3) through a guide sleeve is arranged on the top of the extrusion plate (5).