Extrusion die capable of adjusting output thickness

Abstract

The utility model discloses an extrusion die capable of adjusting the output thickness, and relates to the technical field of dies. The extrusion die capable of adjusting the output thickness comprises a rear die body, a middle support is connected to the middle of the interior of the rear die body, a die core is connected to the front surface of the middle support through a bolt, the shape of the rear end of the die core is the same as that of the front surface of the middle support, and a hollow front die body is arranged on the front surface of the rear die body; the front end of the mold core penetrates through the front mold and extends to the front surface of the front mold, a sliding groove is formed in the periphery of the interior of the front mold, an outlet check block is connected to the interior of the sliding groove in an inserted mode, the length of the sliding groove is the same as that of the outlet check block, and an adjusting rod is rotationally connected to the periphery of the interior of the front mold; the tail end of the adjusting rod is connected with the outlet stop block through threads, an inner hexagonal hole is formed in one end of the outer side of the adjusting rod, and the front mold, the rear mold and the discharging end of the injection molding machine are connected through bolts.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field, concretely is a kind of extrusion mould with adjustable output thickness. BACKGROUND

[0002] Extrusion mould belongs to one kind of forming mould, just its discharge mode is realized by the action of extrusion. In the wide application of aluminum profile structure, it is also used in plastic parts. In front end of extruder, it is used to make pipe material or profile. In short, mould is the tool for forming article, and this tool is composed of various parts, and different moulds are composed of different parts, and it realizes the processing of article shape mainly by the change of the physical state of the formed material. However, the existing extrusion mould adjusts the thickness of extruded material, and the output thickness is adjusted by disassembling the mould, replacing the front mould and mould core, so it is more troublesome to use. CONTENT OF THE UTILITY MODEL

[0003] (1) technical problem solved

[0004] In view of the shortage of prior art, the utility model provides an extrusion mould with adjustable output thickness, which solves the problem that the existing mould adjusts the output thickness by replacing the front mould and mould core of the mould, which is more troublesome to use.

[0005] (2) technical scheme

[0006] To achieve the above purpose, the utility model realizes by the following technical scheme:

[0007] The utility model provides an extrusion mould with adjustable output thickness, which comprises: a rear mould with a discharge port in the middle of the inside, an intermediate support connected to the inside of the rear mould and located in the middle of the discharge port, a mould core connected to the front surface of the intermediate support through bolts, the rear end shape of the mould core being the same as the front surface shape of the intermediate support, a front mould with hollow inside provided on the front surface of the rear mould, the front end of the mould core extending to the front surface of the front mould through the front mould, a sliding groove provided in the inside of the front mould, an outlet block inserted and connected in the inside of the sliding groove, the length of the sliding groove being the same as that of the outlet block, an adjusting rod rotationally connected to the inside of the front mould, the adjusting rod being connected to the outlet block through threads at the end, an internal hexagonal hole provided in the inside of one end of the outer side of the adjusting rod, and the front mould, the rear mould and the discharge end of injection molding machine being connected through bolts.

[0008] Preferably, an inner cylinder is connected around the outer side of the front mold and outside the adjusting rod, and an outer sleeve is connected to the outer side of the end of the adjusting rod by a thread. The outer sleeve and the inner cylinder are connected by a sliding groove. An inspection groove is provided on the front surface of the outer sleeve, and the dimensions are marked on the front surface of the inner cylinder.

[0009] Preferably, the front surface of the rear mold and the outer perimeter of the discharge port are provided with protrusions, and the rear surface of the front mold is provided with a groove in the middle, and the protrusions and the groove are inserted and connected.

[0010] Preferably, the internal thread length of the outlet stop is greater than the spacing of the middle outlet of the front mold.

[0011] Preferably, a cooling water pipe is inserted and connected inside the outlet block, and both ends of the cooling water pipe extend outward through the front mold.

[0012] Preferably, the outer side of the connecting column at the connection between the inner side of the rear mold and the intermediate support is arc-shaped.

[0013] Preferably, the transverse cross-section of the opening inside the front mold is smaller than the area of ​​the transverse cross-section of the discharge port of the rear mold.

[0014] (III) Beneficial Effects

[0015] This invention provides an extrusion die with adjustable output thickness, which has at least the following advantages compared with the prior art:

[0016] This adjustable-thickness extrusion die allows for adjustment of the thickness at the output position by rotating the adjusting rod to adjust the position of the exit stop, or by replacing the die core. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a rear side view of the present invention;

[0019] Figure 3 This is an exploded view of the present invention;

[0020] Figure 4 This is a cross-sectional view of the present invention;

[0021] Figure 5 This is a partial enlarged view of the present invention.

[0022] In the diagram: 1. Rear mold; 2. Intermediate support; 3. Mold core; 4. Front mold; 5. Slide groove; 6. Exit stop; 7. Adjusting rod; 21. Inner cylinder; 22. Outer cylinder; 23. Cooling water pipe. Detailed Implementation

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0024] Please refer to Figures 1-5 The utility model provides a kind of adjustable output thickness extrusion die, comprising: rear mould 1 with discharge port in middle of inside, the rear mould 1 is connected with middle support 2 in middle of inside and located discharge port, the middle support 2 front surface is connected with mould core 3 by bolt, the rear end shape of mould core 3 is same with the shape of middle support 2 front surface, the front surface of rear mould 1 is provided with hollow front mould 4, the front end of mould core 3 extends to front surface of front mould 4 by passing through front mould 4, the inside of front mould 4 is equipped with sliding slot 5, the inside of sliding slot 5 is inserted and connected with outlet block 6, the length of sliding slot 5 and outlet block 6 is same, the inside of one side of front mould 4 is rotatably connected with adjusting rod 7, the tail end of adjusting rod 7 is connected with outlet block 6 by thread, the outside one end of adjusting rod 7 is equipped with internal hexagon hole, and the front mould 4, rear mould 1 and injection molding machine discharge end are connected by bolt.

[0025] When using, the required shape mould core 3 is fixed on middle support 2, then rear mould 1 and front mould 4 are superimposed together, rear mould 1 is aligned with the glue position of injection molding machine, then fixed by bolt, after starting injection molding machine, glue flows into rear mould 1, then flows out through front mould 4, forms the shape formed by outlet block 6 in front mould 4 and mould core 3, when the thickness of extrusion needs to be adjusted, the shape and size of hollow position can be changed by replacing mould core 3, when the thickness of outside needs to be changed, two adjusting rods 7 on left and right or upper and lower can be rotated, outlet block 6 is limited by sliding slot 5 and cannot be rotated, and outlet block 6 is connected with adjusting rod 7 by thread, so that outlet block 6 is pushed inward, so that the size of discharge port of front mould 4 is changed.

[0026] As Figures 1-5 The utility model embodiment provides a kind of implementation, based on above-mentioned implementation, the front mould 4 outside one side and located adjusting rod 7 outside is connected with inside cylinder 21, the tail end outside of adjusting rod 7 is connected with outer sleeve 22 by thread, the outer sleeve 22 and inside cylinder 21 are connected by sliding groove, the front surface of outer sleeve 22 is equipped with viewing groove, and the front surface of inside cylinder 21 is marked with size.

[0027] The analysis of the above structure can know that the centimeter scale is marked on the front surface of the inner cylinder 21, the outer sleeve 22 is sleeved on the outer side of the inner cylinder 21, and the two are connected through the sliding groove, when the rotating adjusting rod 7 is rotated, the outer sleeve 22 is driven to slide forward, and then the length of the inner cylinder 21 and the outer sleeve 22 can be used to determine the extension amount of the outlet stop block 6.

[0028] As shown in Figures 1-4 The utility model discloses an embodiment, based on above -mentioned implementation, the front surface of rear mould 1 and located the outside of discharge port one week is provided with the convex, the recess is seted up in the rear surface middle of front mould 4, and the convex is inserted between the recess and is connected.

[0029] The analysis of the above structure can know that when installing, the recess in the middle of the rear surface of the front mould 4 is aligned and inserted with the convex on the front surface of the rear mould 1, facilitating the positioning of the rear mould 1 and the front mould 4.

[0030] As shown in Figures 1-4 The utility model discloses an embodiment, based on above -mentioned implementation, the inside screw length of outlet stop block 6 is greater than the interval of front mould 4 middle discharge port.

[0031] The analysis of the above structure can know that the inside screw length of the outlet stop block 6 is greater than the interval of the middle discharge port of the front mould 4, and when the outlet stop block 6 is pushed to the end, the adjusting rod 7 will not be separated from the outlet stop block 6.

[0032] As shown in Figures 1-4 The utility model discloses an embodiment, based on above -mentioned implementation, the inside insertion connection of outlet stop block 6 has cooling water pipe 23, and both ends of cooling water pipe 23 extend to the outside through front mould 4.

[0033] The analysis of the above structure can know that connecting the cooling water pipe 23 with the inlet and outlet of the cooling water tank can help cooling forming when the material enters the discharge port formed by the outlet stop block 6.

[0034] As shown in Figures 1-4 The utility model discloses an embodiment, based on above -mentioned implementation, the outside of connecting column of rear mould 1 inner side and middle support 2 connecting place is arc shape.

[0035] The analysis of the above structure can know that the outside of the connecting column of the connecting place of the inner side of the rear mould 1 and the middle support 2 is arc shape, which can reduce the resistance of the molten material.

[0036] As shown in Figures 1-4As shown, the embodiment of the utility model provides a kind of implementation, based on above implementation, the area of the opening transverse section in front mould 4 inside is less than the area of rear mould 1 discharge port transverse section.

[0037] It can be known from the analysis of the above structure that the area of the opening transverse section in front mould 4 inside is less than the area of rear mould 1 discharge port transverse section, thereby ensuring the pressure of the opening in front mould 4 inside.

[0038] It should be noted that, in this article, relationship terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "include", "contain" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0039] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An adjustable output thickness extrusion die characterized by, Include: The rear mold (1) is provided with an outlet in the middle of the inside, the rear mold (1) is connected with the middle support (2) in the middle of the inside and the outlet, the front surface of the middle support (2) is connected with the mold core (3) through bolt, the rear end shape of the mold core (3) is same with the front surface shape of the middle support (2), the front surface of the rear mold (1) is provided with the hollow front mold (4), the front end of the mold core (3) extends to the front surface of the front mold (4) through the front mold (4), the inside of the front mold (4) is provided with the sliding groove (5), the inside of the sliding groove (5) is connected with the outlet block (6), the length of the sliding groove (5) and the outlet block (6) is same, the inside of the front mold (4) is rotatably connected with the adjusting rod (7), the adjusting rod (7) is connected with the outlet block (6) through thread at the end, the outside of the adjusting rod (7) is provided with the internal hexagonal hole, the front mold (4), the rear mold (1) and the discharge end of the injection molding machine are connected through bolt.

2. An adjustable output thickness extrusion die according to claim 1, wherein: The inside of the adjusting rod (7) is connected with the inside cylinder (21) through thread at the end, the outside of the adjusting rod (7) is connected with the outer sleeve (22) through thread, the outer sleeve (22) and the inside cylinder (21) are connected through sliding groove, the front surface of the outer sleeve (22) is provided with the viewing groove, the front surface of the inside cylinder (21) is provided with the size.

3. An adjustable output thickness extrusion die according to claim 1, wherein: The front surface of the rear mold (1) is provided with the convex at the outside of the outlet, the rear surface of the front mold (4) is provided with the recess, the convex and the recess are connected.

4. An output thickness adjustable extrusion die according to claim 1, wherein: The length of the thread in the inside of the outlet block (6) is greater than the distance of the outlet in the middle of the front mold (4).

5. An output thickness adjustable extrusion die according to claim 1, wherein: The inside of the outlet block (6) is connected with the cooling water pipe (23), the both ends of the cooling water pipe (23) extend to the outside through the front mold (4).

6. An output thickness adjustable extrusion die according to claim 1, wherein: The outside of the connecting column of the rear mold (1) is arc-shaped.

7. An output thickness adjustable extrusion die according to claim 1, wherein: The opening in the inside of the front mold (4) is smaller than the area of the outlet in the rear mold (1).

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