Automobile structure aluminum alloy profile production die

Abstract

The utility model belongs to the field of automobile profile machining, and particularly relates to an automobile structure aluminum alloy profile production die which comprises an upper die. The top of the upper die is fixedly connected with a first material pipe; a lower die is arranged at the bottom of the upper die; the middle part of the lower die is rotationally connected with a screw rod; the middle part of the screw rod is in threaded connection with a connecting frame; the connecting frame and the lower die are arranged in a penetrating manner and are in sliding connection; the end part of the connecting frame is fixedly connected with a top plate; the top plate and the upper die are correspondingly arranged; a sliding groove is formed in the top of the lower die. The top plate is in sliding fit with the sliding groove. The first material pipe is located in the top plate; a plurality of fixing grooves are formed in the middle of the top plate; a plurality of springs are fixedly connected to the inner side wall of the fixing groove; and the screw rod is rotated, so that the connecting frame drives the top plate to extrude the profile, rapid demolding between the profile and the lower mold by the device is realized, and the convenience of demolding the profile by the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile section bar processing, specifically a kind of automobile structure aluminium alloy section bar production mould. BACKGROUND

[0002] Automobile structure aluminium alloy section bar is an important automobile manufacturing material, because of its light weight, high strength, corrosion resistance and other excellent performance and is widely used in the manufacture of automobile body, chassis, engine and other key components.

[0003] The processing steps of automobile structure aluminium alloy section bar include cooling casting round casting bar or other shaped castings under casting process conditions by specific mould system after melting aluminum liquid, and subsequent processing can be carried out on the castings.

[0004] The existing aluminium alloy section bar mould is used, generally aluminum liquid is directly injected into the mould for cooling forming, and in production and observation, it is found that after forming, the profile and the mould will be adhered, which will make the profile and the mould difficult to separate, increase the difficulty of profile demoulding.

[0005] Therefore, a kind of automobile structure aluminium alloy section bar production mould is provided for the above problems. INVENTION CONTENTS

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem proposed in the background art is solved.

[0007] The technical scheme adopted by the utility model to solve its technical problems is: the utility model discloses a kind of automobile structure aluminium alloy section bar production mould, including upper die;The top of the upper die is fixedly connected with first pipe;The bottom of the upper die is provided with lower die;The middle part of the lower die is rotatably connected with screw rod;The middle part of the screw rod is threadedly connected with connecting frame;The connecting frame and the lower die are through and are slidingly connected;The end of the connecting frame is fixedly connected with top plate;The top plate and the upper die are correspondingly arranged;The top of the lower die is provided with sliding slot;The top plate and the sliding slot are slidingly matched;The first pipe is located in the inside of top plate;Rotating screw rod makes that connecting frame takes top plate and extrudes profile, realizes the quick demoulding between device and profile and lower die, improves the convenience of profile demoulding of device.

[0008] Preferably, the middle part of the top plate is provided with a plurality of fixed grooves;The inner side wall of the fixed groove is fixedly connected with a plurality of springs;The end of the spring is fixedly connected with pressing plate;The pressing plate and the fixed groove are slidingly matched;Pressing plate will be extruded to sliding slot under the action of spring elasticity, enhance the sealing property of top plate to sliding slot, reduce the aluminum liquid into the inside of sliding slot.

[0009] Preferably, the middle part of the pressing plate is fixedly connected with a plurality of elastic ropes; the elastic ropes and the fixed groove are in penetrating arrangement; the elastic ropes and the sliding groove are in fixed connection; when the top plate closes the sliding groove, the elastic ropes are in normal state; when the top plate is separated from the sliding groove, the pressing plate moves with the top plate, and the elastic ropes are stretched under the movement of the pressing plate, so that the pressing plate is subjected to the pulling force of the elastic ropes, the distance of the pressing plate moving under the spring force after being separated from the sliding groove is reduced, the collision between the pressing plate and the lower die when the top plate is reset is reduced, and the stability of the pressing plate entering the inside of the sliding groove is improved.

[0010] Preferably, the inner side wall of the fixed groove is fixedly connected with a plurality of connecting rods; adjacent end portions of the connecting rods are rotationally connected with pulleys; the pulleys and the elastic ropes are in contact arrangement; when the elastic ropes are stretched under the movement of the pressing plate, the elastic ropes are in contact with the pulleys and make the pulleys rotate under the friction, so that the contact and friction between the elastic ropes and other components when the elastic ropes are stretched are reduced, and the abrasion of the elastic ropes caused by friction is reduced.

[0011] Preferably, the middle part of the pressing plate is fixedly connected with a sealing gasket; the sealing gasket is located between the pressing plate and the sliding groove; when the pressing plate is in contact with the sliding groove, the sealing gasket is also in contact with the sliding groove, the sealing gasket fills the gap between the pressing plate and the sliding groove, and the sealing effect of the pressing plate on the sliding groove is enhanced.

[0012] Preferably, the top of the upper die is communicated with a second material pipe; the upper die is located between the second material pipe and the lower die; after the aluminum liquid is injected into the cavity between the upper die and the lower die through the first material pipe, the cooling liquid can be injected into the inside of the upper die through the second material pipe, so that the aluminum liquid is quickly cooled and shaped under the heat conduction, and the device realizes the cooling of the profile.

[0013] Preferably, the middle part of the upper die is communicated with a transparent pipe; the transparent pipe is in L-shaped structure; the cooling liquid in the upper die enters the inside of the transparent pipe under the action of the communicating device, and the staff can directly know the remaining amount of the cooling liquid in the upper die by observing the transparent pipe, and the convenience of the device for observing the amount of the cooling liquid is improved.

[0014] The automobile structure aluminum alloy profile production mold has the advantages that:

[0015] 1. The automobile structure aluminum alloy profile production mold, the connecting frame and the top plate are brought into extrusion with each other under the rotation of the screw rod, the device realizes the quick demolding between the profile and the lower die, and the convenience of the device for demolding the profile is improved.

[0016] 2. The automobile structure aluminum alloy profile production mold, the pressing plate extrudes the sliding groove under the elastic force of the spring, the sealing property of the top plate for closing the sliding groove is enhanced, and the aluminum liquid entering the inside of the sliding groove is reduced. ACCURACY OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below only show some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0018] Figure 1 The main body of the present application is shown in the figure.

[0019] Figure 2 The structure of the lower die in the present application is shown in the figure.

[0020] Figure 3 The structure of the connecting frame in the present application is shown in the figure.

[0021] Figure 4 The structure of the pressing plate in the present application is shown in the figure.

[0022] Figure 5 The structure of the pulley in the present application is shown in the figure.

[0023] In the figure: 1, upper die; 12, lower die; 13, screw rod; 14, connecting frame; 15, top plate; 16, sliding groove; 17, first material pipe; 2, fixed groove; 22, spring; 23, pressing plate; 3, elastic rope; 4, connecting rod; 42, pulley; 5, sealing gasket; 6, second material pipe; 7, transparent pipe. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0025] The specific embodiments will be given below.

[0026] Please refer to Figures 1 to 5The utility model discloses an automobile structure aluminum alloy section bar production mould, including upper die 1, the top of upper die 1 is fixed with first material pipe 17, the bottom of upper die 1 is provided with lower die 12, the middle part of lower die 12 is rotatably connected with screw rod 13, the middle part screw of screw rod 13 is connected with connecting frame 14, connecting frame 14 and lower die 12 are through and are slidingly connected, the end of connecting frame 14 is fixed with top plate 15, top plate 15 and upper die 1 are correspondingly arranged, the top of lower die 12 is provided with sliding slot 16, top plate 15 and sliding slot 16 are slidingly matched, first material pipe 17 is located in the inside of top plate 15, and top plate 15 will close sliding slot 16 when working normally, after connecting upper die 1 and lower die 12, can pour the aluminum liquid into the cavity between upper die 1 and lower die 12 through first material pipe 17, and the aluminum liquid will be shaped after cooling, then can rotate screw rod 13 to make connecting frame 14 move along screw rod 13, and connecting frame 14 will move along with top plate 15, at this moment, top plate 15 will separate from sliding slot 16 and extrude the shaped section bar, so that the section bar will separate from the surface of lower die 12, realize the quick stripping of the device to the section bar, rotate screw rod 13 to make connecting frame 14 extrude the section bar along with top plate 15, realize the quick stripping of the device between the section bar and lower die 12, improve the convenience of the device to the section bar stripping.

[0027] Please refer to Figures 2 to 5 As shown, the middle part of top plate 15 is provided with a plurality of fixed slots 2, the inner side wall of fixed slot 2 is fixedly connected with a plurality of springs 22, the end of spring 22 is fixedly connected with pressing plate 23, pressing plate 23 and fixed slot 2 are slidingly matched, when top plate 15 closes sliding slot 16, spring 22 will be in the compressed state, spring 22 will exert the pressure towards sliding slot 16 to pressing plate 23, so that pressing plate 23 will extrude sliding slot 16 under the elastic force of spring 22, reduce the gap between top plate 15 and sliding slot 16, enhance the tightness of connection between top plate 15 and sliding slot 16, pressing plate 23 will extrude sliding slot 16 under the elastic force of spring 22, enhance the sealing property of top plate 15 to sliding slot 16, reduce the aluminum liquid entering the inside of sliding slot 16.

[0028] Please refer to Figure 4 And Figure 5As shown, the middle of the pressing plate 23 is fixed with a plurality of elastic ropes 3, the elastic ropes 3 and the fixed groove 2 are throughly arranged, the elastic ropes 3 and the sliding groove 16 are in fixed relationship, when the top plate 15 closes the sliding groove 16, the elastic ropes 3 are in normal state, when the top plate 15 is separated from the sliding groove 16, the pressing plate 23 moves with the top plate 15, the elastic ropes 3 are stretched under the movement of the pressing plate 23, the pressing plate 23 is subjected to the tension of the elastic ropes 3, at this time, the pressing plate 23 stops moving and is in the inside of the fixed groove 2 under the action of the tension of the elastic ropes 3 and the elasticity of the spring 22, the distance of the pressing plate 23 moving due to the elasticity of the spring 22 after the pressing plate 23 is separated from the sliding groove 16 is reduced, the collision between the pressing plate 23 and the lower mold 12 when the top plate 15 resets is reduced, and the stability of the pressing plate 23 entering the inside of the sliding groove 16 is improved.

[0029] As shown in Figure 5 As shown, the inner side wall of the fixed groove 2 is fixed with a plurality of connecting rods 4, the adjacent connecting rods 4 are rotatably connected with pulleys 42 at the ends, the pulleys 42 and the elastic ropes 3 are in contact, when the elastic ropes 3 are stretched with the movement of the pressing plate 23, the elastic ropes 3 come into contact with the pulleys 42 and make the pulleys 42 rotate under the friction, the contact and friction between the elastic ropes 3 and other components when the elastic ropes 3 are stretched are reduced, and the abrasion of the elastic ropes 3 caused by friction is reduced.

[0030] As shown in Figure 4 As shown, the middle of the pressing plate 23 is fixed with a sealing gasket 5, the sealing gasket 5 is located between the pressing plate 23 and the sliding groove 16, when the pressing plate 23 contacts with the sliding groove 16, the sealing gasket 5 also contacts with the sliding groove 16, the sealing gasket 5 fills the gap between the pressing plate 23 and the sliding groove 16, and the sealing effect of the pressing plate 23 on the sliding groove 16 is enhanced.

[0031] As shown in Figure 1 As shown, the top of the upper mold 1 is communicated with a second pipe 6, the upper mold 1 is located between the second pipe 6 and the lower mold 12, after the cavity between the upper mold 1 and the lower mold 12 is injected with aluminum liquid through the first pipe 17, the inside of the upper mold 1 can be injected with cooling liquid through the second pipe 6, so that the aluminum liquid is quickly cooled and shaped under the heat conduction, and the device realizes the cooling of the profile.

[0032] As shown in Figure 1 As shown, the middle of the upper mold 1 is communicated with a transparent tube 7, the transparent tube 7 is in L-shaped structure, the cooling liquid in the upper mold 1 enters the inside of the transparent tube 7 under the action of the communicating device, the staff can directly know the amount of the cooling liquid in the inside of the upper mold 1 by observing the transparent tube 7, and the convenience of the device for observing the amount of the cooling liquid is improved.

[0033] Working principle: after connecting the upper die 1 and the lower die 12, the molten aluminum can be poured into the cavity between the upper die 1 and the lower die 12 through the first pipe 17, and the molten aluminum will be shaped after cooling, then the connecting frame 14 will move along the screw rod 13 by rotating the screw rod 13, the connecting frame 14 will move together with the top plate 15, at this time the top plate 15 will separate from the sliding groove 16 and extrude the shaped profile, so that the profile will separate from the surface of the lower die 12, realizing the rapid demolding of the device to the profile; when the top plate 15 closes the sliding groove 16, the spring 22 will be in a compressed state, the pressing plate 23 will extrude the sliding groove 16 under the elastic force of the spring 22, reducing the gap between the top plate 15 and the sliding groove 16; the elastic rope 3 will be in a normal state when the top plate 15 closes the sliding groove 16, when the top plate 15 separates from the sliding groove 16, the pressing plate 23 will move together with the top plate 15, and the elastic rope 3 will be stretched under the movement of the pressing plate 23, so that the pressing plate 23 will be subjected to the tension of the elastic rope 3, reducing the distance of the pressing plate 23 moving due to the elastic force of the spring 22 after separating from the sliding groove 16, reducing the collision between the pressing plate 23 and the lower die 12 when the top plate 15 resets; when the elastic rope 3 is stretched with the movement of the pressing plate 23, the elastic rope 3 will contact the pulley 42 and make it rotate under the friction, reducing the contact and friction between the elastic rope 3 and other parts when it is stretched; when the pressing plate 23 contacts the sliding groove 16, the sealing gasket 5 will also contact the sliding groove 16, and the sealing gasket 5 will fill the gap between the pressing plate 23 and the sliding groove 16; after injecting the molten aluminum into the cavity between the upper die 1 and the lower die 12 through the first pipe 17, the cooling liquid can be injected into the inside of the upper die 1 through the second pipe 6, so that the molten aluminum will be quickly cooled and shaped under the heat conduction; the cooling liquid in the upper die 1 will enter the inside of the transparent tube 7 under the action of the communicating vessel, and the staff can directly understand the amount of the cooling liquid in the upper die 1 by observing the transparent tube 7.

[0034] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. An automobile structural aluminum alloy profile production mold comprising an upper mold (1), characterized in that: The top of the upper die (1) is fixed with a first material pipe (17); the bottom of the upper die (1) is provided with a lower die (12); the middle part of the lower die (12) is rotatably connected with a screw rod (13); the middle part of the screw rod (13) is threadedly connected with a connecting frame (14); the connecting frame (14) and the lower die (12) are throughly arranged and are slidingly connected; the end of the connecting frame (14) is fixed with a top plate (15); the top plate (15) and the upper die (1) are correspondingly arranged; the top of the lower die (12) is provided with a sliding groove (16); the top plate (15) and the sliding groove (16) are slidingly matched; the first material pipe (17) is located in the inside of the top plate (15).

2. The production die for an automotive structural aluminum alloy profile according to claim 1, characterized by: The middle part of the top plate (15) is provided with a plurality of fixing grooves (2); the inner side wall of the fixing groove (2) is fixed with a plurality of springs (22); the end of the spring (22) is fixed with a pressing plate (23); the pressing plate (23) and the fixing groove (2) are slidingly matched.

3. The production die for an automotive structural aluminum alloy profile according to claim 2, characterized by: The middle part of the pressing plate (23) is fixed with a plurality of elastic ropes (3); the elastic rope (3) and the fixing groove (2) are throughly arranged.

4. The production die for an automotive structural aluminum alloy profile according to claim 3, characterized by: The inner side wall of the fixing groove (2) is fixed with a plurality of connecting rods (4); the ends of adjacent connecting rods (4) are rotatably connected with pulleys (42); the pulley (42) and the elastic rope (3) are in contact.

5. The production die for an automotive structural aluminum alloy profile according to claim 4, characterized by: The middle part of the pressing plate (23) is fixed with a sealing gasket (5); the sealing gasket (5) is located between the pressing plate (23) and the sliding groove (16).

6. The production die for an automotive structural aluminum alloy profile according to claim 5, characterized by: The top of the upper die (1) is communicated with a second material pipe (6); the upper die (1) is located between the second material pipe (6) and the lower die (12).

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