High-precision aluminum profile extrusion die cushion

Abstract

The utility model relates to the technical field of aluminum profile extrusion die components, and discloses a high-precision aluminum profile extrusion die cushion which comprises a first extrusion die cushion, a second extrusion die cushion is fixedly mounted at the upper end of the first extrusion die cushion, a third extrusion die cushion is rotatably mounted at the bottom end of the first extrusion die cushion, and the first extrusion die cushion comprises a first gasket. The pneumatic type ejection demolding mechanism is adopted, namely, the whole aluminum profile extrusion die cushion structure is of a three-layer structure, the air inlet guide grooves are formed in the two ends of the middle aluminum profile extrusion die gasket, the air inlet guide grooves are L-shaped grooves, and openings in the bottoms of the air inlet guide grooves are located in the bottom of the middle aluminum profile extrusion die gasket. Two air guide grooves are formed in the positions, corresponding to the air inlet guide grooves above, of the aluminum profile extrusion die gasket at the bottom, when air is guided in through the air inlet pipes at the openings in the two ends of the air inlet guide grooves, the aluminum profile can be ejected out of the die under the action of air pressure, and the problem that the surface of an aluminum profile finished product is uneven when the aluminum profile is ejected out is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminium profile extrusion die assembly technical field, concretely is a kind of high-precision aluminium profile extrusion die pad. BACKGROUND

[0002] Aluminium profile extrusion die pad plays a vital role in aluminium profile extrusion production, and correct selection, installation and maintenance die pad can improve the production efficiency and product quality of aluminium profile, prolong the service life of die, reduce production cost, and die pad needs to bear huge pressure, so high-strength alloy steel material is usually used to manufacture.

[0003] The existing aluminium profile extrusion die pad still has the following problems when in use: to make aluminium profile extrusion die pad have stripping structure, top rod channel is usually designed in the inside of die pad, and top rod is installed, after extrusion, top rod is pushed upward by external power source, and aluminium profile is ejected from die, since top rod is rigid structure, when ejecting aluminium profile, uneven problem of aluminium profile finished product surface is caused, so as to affect the surface precision of aluminium profile. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a high-precision aluminium profile extrusion die pad, which can be used to produce aluminium profile with high surface precision, so as to solve the problems proposed in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a high-precision aluminium profile extrusion die pad, comprising a first extrusion die pad, a second extrusion die pad is fixedly installed on the upper end of the first extrusion die pad, a third extrusion die pad is rotatably installed at the bottom end of the first extrusion die pad, and the first extrusion die pad comprises a first gasket.

[0006] As a further scheme of the utility model: the middle part of the two ends of the first gasket is provided with an air inlet guide groove, the air inlet guide groove is an L-shaped groove and penetrates the bottom end of the first gasket, the third extrusion die pad comprises a third gasket rotatably connected to the bottom end of the first gasket, a gas guide groove is formed between the upper and lower sidewalls of the third gasket and corresponds to the upper air inlet guide groove, an air inlet pipe is fixedly connected to the outer sidewall of the two ends of the first gasket and located at the opening of the air inlet guide groove, and the air inlet pipe is an L-shaped pipe.

[0007] As a further scheme of the utility model: the second extrusion die pad includes a second gasket slidingly attached to the top end of the first gasket, a fixed connection mechanism is arranged between the bottom end of the second gasket and the top end of the first gasket, an L-shaped clamping groove is formed in the middle of the front and back sides of the top end of the first gasket, a threaded hole is formed in the middle of the lower part of the end of the L-shaped clamping groove, the fixed connection mechanism includes an L-shaped combined clamp fixedly connected to the middle of the front and back ends of the bottom wall of the second gasket, the L-shaped combined clamp is slidingly embedded and connected into the L-shaped clamping groove on the corresponding side, a matching hole is formed in the lower part of the end of the L-shaped combined clamp, a screw is slidingly connected into the matching hole, and the opposite ends of the two screws are screw-connected into the threaded holes on the corresponding sides.

[0008] As a further scheme of the utility model: a matching sealing sleeve is fixedly installed at the opening of the top end of the second gasket, and four mounting seats are fixedly connected to the outer side wall of the lower part of the third gasket in an equiangular manner.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] 1、In the utility model, the ejection demolding mechanism is pneumatic, the overall aluminum profile extrusion die pad structure adopts a three-layer structure, air inlet guide grooves are formed in the two ends of the middle aluminum profile extrusion die gasket, the air inlet guide grooves are L-shaped grooves, that is, the bottom opening of the air inlet guide groove is located at the bottom of the middle aluminum profile extrusion die gasket, two air guide grooves are formed in the corresponding upper air inlet guide groove of the bottom aluminum profile extrusion die gasket, when gas is introduced through the air inlet pipes at the two ends of the air inlet guide groove, the aluminum profile can be ejected from the mold under the action of the gas pressure, the problem that the surface of the aluminum profile product is uneven when the aluminum profile is ejected is avoided, and the surface precision of the aluminum profile is ensured.

[0011] 2、In the utility model, the middle aluminum profile extrusion die gasket and the bottom aluminum profile extrusion die gasket are rotationally arranged, when the aluminum billet enters the mold cavity from the feed port of the plane mold under the action of high pressure, the middle aluminum profile extrusion die gasket is rotated, the air inlet guide groove and the air guide groove arranged in a communication manner are separated and misaligned, the molten aluminum is prevented from entering the air inlet guide groove, and the normal work of the subsequent ejection demolding is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the overall three-dimensional structure of the utility model Figure 1 ;

[0013] Figure 2 It is the overall three-dimensional structure of the utility model Figure 2 ;

[0014] Figure 3 It is a middle gasket structure three-dimensional view of the utility model

[0015] Figure 4 It is the perspective view of the upper and lower gasket structure of the utility model.

[0016] In the figure: 1, first extrusion die pad; 2, second extrusion die pad; 3, third extrusion die pad; 11, first gasket; 12, L-shaped clamping groove; 13, threaded hole; 14, air inlet guide groove; 15, air inlet pipe; 16, screw; 21, second gasket; 22, matched sealing sleeve; 23, L-shaped combined clamp; 24, matched hole; 31, third gasket; 32, air guide groove; 33, mounting seat. DETAILED DESCRIPTION

[0017] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0018] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two; the directions or position relations indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like are based on the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the indicated devices or elements to have a specific direction, to be constructed and operated in a specific direction, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0019] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0020] Please refer to Figures 1-4 In the utility model embodiment, a high-precision aluminum profile extrusion die pad, comprising a first extrusion die pad 1, a second extrusion die pad 2 is fixedly installed on the upper end of the first extrusion die pad 1, a third extrusion die pad 3 is rotatably installed at the bottom end of the first extrusion die pad 1, the first extrusion die pad 1 comprises a first gasket 11, the overall aluminum profile extrusion die pad adopts a three-layer gasket stacking structure design, and the overall structural strength is good.

[0021] The middle part of the first gasket 11 is provided with an air inlet guide groove 14, the air inlet guide groove 14 is an L-shaped groove and penetrates the bottom end of the first gasket 11, the third extrusion die gasket 3 comprises a third gasket 31 rotatably connected to the bottom end of the first gasket 11, the third gasket 31 is provided with a gas guide groove 32 between the upper and lower sidewalls corresponding to the upper air inlet guide groove 14, the outer sidewall of the first gasket 11 at both ends and located at the opening of the air inlet guide groove 14 is fixedly connected with an air inlet pipe 15, the air inlet pipe 15 is an L-shaped pipe, the whole adopts a pneumatic ejection demolding mechanism, that is, the whole aluminum profile extrusion die gasket structure adopts a three-layer structure, the middle part of the aluminum profile extrusion die gasket is provided with an air inlet guide groove 14 at both ends, and the air inlet guide groove 14 is an L-shaped groove, that is, the bottom opening of the air inlet guide groove 14 is located at the bottom of the middle aluminum profile extrusion die gasket, the bottom aluminum profile extrusion die gasket is provided with two gas guide grooves 32 corresponding to the upper air inlet guide groove 14, when the gas is introduced through the air inlet pipe 15 at both ends of the air inlet guide groove 14, the aluminum profile can be ejected from the mold under the action of gas pressure, avoiding the problem of uneven surface of the aluminum profile product caused by ejecting the aluminum profile.

[0022] The second extrusion die gasket 2 comprises a second gasket 21 slidably fitted on the top end of the first gasket 11, a fixed connection mechanism is arranged between the bottom end of the second gasket 21 and the top end of the first gasket 11, an L-shaped clamping groove 12 is formed in the middle of the front and rear sides of the top end of the first gasket 11, a threaded hole 13 is formed in the middle of the lower side of the one end of the two L-shaped clamping grooves 12, the fixed connection mechanism comprises an L-shaped combined clamping 23 fixedly connected to the middle of the front and rear ends of the bottom wall of the second gasket 21, the L-shaped combined clamping 23 is slidably embedded and connected in the L-shaped clamping groove 12 on the corresponding side, a cooperation hole 24 is formed in the lower side of the one end of the two L-shaped combined clamps 23, a screw 16 is slidably connected in the cooperation hole 24, the screw 16 on the opposite end of the two screws 16 is threadedly connected in the threaded hole 13 on the corresponding side, the screws 16 on both sides can be twisted, the fixing of the L-shaped combined clamping 23 in the L-shaped clamping groove 12 is released, at this time, the first gasket 11 and the second gasket 21 can be separated.

[0023] A cooperation sealing sleeve 22 is fixedly installed at the opening of the top end of the second gasket 21, which plays a role of auxiliary sealing of the aluminum profile extrusion die gasket, four mounting seats 33 are fixedly connected to the lower side of the outer sidewall of the third gasket 31 in an equiangular manner, the fixing work of the third gasket 31 on the corresponding mounting station can be carried out through the cooperation of the four mounting seats 33 and the installation assembly.

[0024] The utility model discloses a work principle is: integral adopts to have the ejection demoulding mechanism of pneumatic, namely its integral aluminium profile extrusion die pad structure adopts three layer formula structure, and the middle aluminium profile extrusion die washer two ends are provided with air inlet guide groove 14, and air inlet guide groove 14 is L type groove, namely air inlet guide groove 14 bottom opening is located in the middle aluminium profile extrusion die washer bottom, and its bottom aluminium profile extrusion die washer corresponds the air inlet guide groove 14 of upper air inlet guide groove 14 and is provided with two gas guide grooves 32, when the gas is guided into through the air inlet pipe 15 of air inlet guide groove 14 both ends opening, it can be under the gas pressure and will aluminium profile from the mould ejection, avoid causing the uneven problem of aluminium profile finished product surface when ejecting aluminium profile, in addition the middle aluminium profile extrusion die washer and bottom aluminium profile extrusion die washer between rotation setting, namely first washer 11 bottom end rotation connects third washer 31, when aluminium billet under the high pressure and enters the mould cavity from the feed port of plane mould, it rotates the middle aluminium profile extrusion die washer, makes its air inlet guide groove 14 and gas guide groove 32 separate dislocation of intercommunication, prevent the molten aluminium from entering air inlet guide groove 14, avoid affecting the normal work of subsequent ejection demoulding.

[0025] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model does not limit to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and utility model concept of the utility model, carries out equivalent replacement or change, should cover in the protection scope of the utility model.

Claims

1. A high-precision aluminum profile extrusion die pad, comprising a first extrusion die pad (1); Its features are: The first extrusion die pad (1) is fixedly installed with a second extrusion die pad (2) at its upper end, and a third extrusion die pad (3) is rotatably installed at the bottom end of the first extrusion die pad (1). The first extrusion die pad (1) includes a first washer (11). The first washer (11) has an air inlet guide groove (14) at the middle of both ends. The air inlet guide groove (14) is an L-shaped groove and passes through the bottom end of the first washer (11). The second extrusion die pad (2) includes a second washer (21) that slides against the top of the first washer (11), and a fixed connection mechanism is provided between the bottom end of the second washer (21) and the top end of the first washer (11); The third extrusion die pad (3) includes a third washer (31) rotatably connected to the bottom of the first washer (11), and an air guide groove (32) is provided between the upper and lower side walls of the third washer (31) corresponding to the upper air inlet guide groove (14).

2. The high-precision aluminum profile extrusion die pad according to claim 1, characterized in that: An air intake pipe (15) is fixedly connected to the outer walls of both ends of the first gasket (11) at the opening of the air intake guide groove (14). The air intake pipe (15) is an L-shaped pipe.

3. The high-precision aluminum profile extrusion die pad according to claim 1, characterized in that: The first washer (11) has an L-shaped slot (12) on each of the front and rear sides of its top end.

4. The high-precision aluminum profile extrusion die pad according to claim 3, characterized in that: The two L-shaped slots (12) are provided with threaded holes (13) at the lower center of one end.

5. The high-precision aluminum profile extrusion die pad according to claim 1, characterized in that: The fixed connection mechanism includes an L-shaped combination clip (23) fixedly connected to the middle of the front and rear ends of the bottom wall of the second washer (21).

6. The high-precision aluminum profile extrusion die pad according to claim 5, characterized in that: The L-shaped combination card (23) is slidably fitted into the L-shaped card slot (12) on its corresponding side. The two L-shaped combination cards (23) have mating holes (24) below their opposite ends. Screws (16) are slidably connected in the mating holes (24). The opposing ends of the two screws (16) are threaded into the threaded holes (13) on their corresponding sides.

7. The high-precision aluminum profile extrusion die pad according to claim 1, characterized in that: A matching sealing sleeve (22) is fixedly installed at the opening at the top of the second washer (21), and four mounting seats (33) are fixedly connected at equal angles below the outer side wall of the third washer (31).

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