CN220073007U

CN220073007U - Shell extrusion die

Info

Publication number: CN220073007U
Application number: CN202321458091.4U
Authority: CN
Inventors: 颜廷珠
Original assignee: Tianjin Dongbao Electronic Co ltd
Current assignee: Tianjin Dongbao Electronic Co ltd
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2023-11-24
Anticipated expiration: 2033-06-08

Abstract

The utility model relates to a shell extrusion die, which belongs to the technical field of extrusion dies and comprises a base, wherein a base is arranged above the base, lower press films are arranged on two sides of the base, the lower press films are fixedly connected with the base, the upper surface and the side surface of the lower press films are in continuous arc shapes, the angle of the arc line of the lower press films is larger than that of a finished shell, a movable plate is arranged above the base, an air cylinder is arranged above the movable plate, a piston rod of the air cylinder is fixedly connected with the movable plate, two press rollers are arranged below the movable plate, the two press rollers are respectively positioned above the lower press films, support plates are fixedly arranged on two sides of the press rollers, and the support plates are in sliding connection with the movable plate along the horizontal direction.

Description

Shell extrusion die

Technical Field

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

Background

The mould is a tool for obtaining the section bar by molding materials, mainly changes the physical state of the materials, and introduces the materials into the mould to realize the processing of the section bar, thereby obtaining the required section bar.

A shell extrusion die is characterized in that a shell is placed on a base, and the shell is deformed through extrusion of an upper pressure head and a lower pressure film, so that a molded shell product is obtained.

In view of the above-mentioned related art, the inventors consider that the existing press-down film has the same size as the molded case, i.e., after the case is extruded, the case has a certain rebound amount, and there is a defect that the press-molding performance of the case extrusion molding die is poor.

Disclosure of Invention

In order to improve the compression molding performance of the shell extrusion molding die, the utility model provides the shell extrusion die.

The utility model provides a shell extrusion die which adopts the following technical scheme:

the utility model provides a shell extrusion die, includes the base, the base is installed to the top of base, and the both sides of base all are provided with down the press mold, and press mold and base connection are fixed down, and the upper surface and the side surface of press mold are continuous arc shape, and the angle of the pitch arc of press mold is greater than the angle of finished product shell down, and the top of base is provided with the movable plate, and the top of movable plate is provided with the cylinder, and the piston rod and the movable plate of cylinder are connected fixedly, and the below of movable plate is provided with two compression rollers, and two compression rollers are located the top of press mold respectively, and the backup pad has been set firmly to the both sides of compression roller, and the backup pad is followed horizontal direction and is moved board sliding connection.

Through adopting above-mentioned technical scheme, place the shell on the base station, the cylinder drives the movable plate and moves downwards, after compression roller and shell butt, the compression roller removes along pressing the membrane down, and the compression roller is with shell compression moulding, after the shell shaping, continues to move the compression roller downwards, makes the shell continue crooked, after the compression roller leaves the shell, makes the shell after the resilience reach the fashioned requirement of mould. With the structure, the compression molding performance of the shell extrusion molding die is improved.

Optionally, the both sides of pressing the membrane down all are provided with the guide block, and the shape of guide block is the same with the shape of pressing the membrane down, and the guide block aligns the setting with pressing the membrane down, and the backup pad deviates from the smooth roll that has all set firmly to one side of compression roller, and the smooth roll is less than the height of compression roller, smooth roll along the surface and the guide block sliding connection of guide block.

Through adopting above-mentioned technical scheme, at the in-process that the movable plate moved downwards, the smooth roll and the guide block butt make the compression roller have certain distance between the film of pressing down, under the direction of smooth roll and guide block, the compression roller processes the shell, reduces the effort between compression roller and the shell, is favorable to the protection to the shell surface.

Optionally, the movable rod has set firmly on the lower surface of movable plate, and the upper surface of base has set firmly the dead lever, and the movable rod aligns the setting with the dead lever, and the movable rod is along self length direction and dead lever sliding connection.

Through adopting above-mentioned technical scheme, when the cylinder drives the movable plate and goes up and down, movable rod and dead lever play the effect of location and direction to the removal of movable plate, are favorable to providing the guarantee for the cylinder drives the removal of movable plate.

Optionally, the outside of dead lever is encircleed and is provided with the gag lever post, and the gag lever post is fixed with the base connection, and the gag lever post is the same with the displacement of compression roller along vertical direction to the distance of movable rod.

Through adopting above-mentioned technical scheme, when the bottom of carriage release lever and the top butt of gag lever post, the compression roller removes to the below this moment, plays spacing effect to the removal of compression roller.

Optionally, a pressing plate is arranged between the two pressing rollers, a telescopic rod and a telescopic sleeve are arranged between the pressing plate and the moving plate, the telescopic sleeve is fixedly connected with the pressing plate, the telescopic rod is fixedly connected with the moving plate, and the telescopic rod is in sliding connection with the telescopic sleeve.

Through adopting above-mentioned technical scheme, when the movable plate moves down, the clamp plate earlier with the middle part butt of shell, be favorable to the clamp plate to the fixed of shell, when the movable plate continues the downwardly moving, the telescopic sleeve slides along the telescopic link, provides the convenience for the processing of compression roller to the shell.

Optionally, be provided with first fixed plate between compression roller and the movable plate, first fixed plate and backup pad fixed connection are provided with the second fixed plate between two compression rollers, second fixed plate and movable plate fixed connection, fixedly connected with reset spring between first fixed plate and the second fixed plate.

Through adopting above-mentioned technical scheme, after compression roller and shell butt, the compression roller drives the backup pad and removes along the opposite side of two compression rollers, and reset spring stretches, drives backup pad and compression roller and removes along the opposite side of two compression rollers when being convenient for reset spring shrink, is favorable to the resilience volume to the shell and offsets with the excessive pressure volume, improves the fashioned precision of shell.

Optionally, a gap exists between the guide blocks located on the same side of the base.

Through adopting above-mentioned technical scheme, after the shell shaping, the staff can pass from the clearance between the guide block, is convenient for carry the shaping shell.

Optionally, a groove is formed in the upper surface of the base.

Through adopting above-mentioned technical scheme, the seting up of recess makes things convenient for placing of shell, reduces the influence of shell extrusion die to the shell middle part, and is favorable to the location to the shell suppression in-process of forming.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. through changing the lower pressing film, the moving angle of the pressing roller along the lower pressing film is increased, so that the pressing roller excessively extrudes the shell, the rebound quantity of the shell is offset with the overpressure quantity of the shell, and the processing precision of the shell extrusion die is improved;

2. the guide blocks are arranged on the two sides of the lower pressing film, so that the pressing force of the pressing roller and the lower pressing film on the shell is reduced, and the protection of the shell is facilitated;

3. through setting up gag lever post and movable rod between base and movable plate, control the decline volume of compression roller, be favorable to the processing of compression roller to the shell.

Drawings

FIG. 1 is a schematic view showing a structure of a shell extrusion die according to an embodiment of the present utility model;

fig. 2 is a partial cross-sectional view showing a structure between a moving plate and a base according to an embodiment of the present utility model.

In the figure, 1, a base; 11. a base station; 111. a groove; 12. pressing down the film; 13. a fixed rod; 14. a limit rod; 15. a guide block; 16. a connecting plate; 2. a cylinder; 3. a moving plate; 31. a moving rod; 32. a second fixing plate; 33. a telescopic rod; 34. a chute; 35. a slide block; 4. a support plate; 41. a press roller; 42. a first fixing plate; 43. a slide roller; 5. a pressing plate; 51. a telescopic sleeve; 6. a return spring; 7. a support frame; 71. a support column; 72. and (3) mounting a plate.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-2.

The embodiment of the utility model discloses a shell extrusion die.

Referring to fig. 1, a shell extrusion die comprises a base 1, a cylinder 2 is arranged above the base 1, a supporting frame 7 is arranged between the cylinder 2 and the base 1, the supporting frame 7 comprises a supporting column 71 and a mounting plate 72, the supporting column 71 is fixedly connected with the base 1, the top end of the supporting column 71 is fixedly connected with the lower surface of the mounting plate 72, the cylinder 2 is fixedly connected with the upper surface of the mounting plate 72, a base 11 is arranged on the upper surface of the base 1, a groove 111 is formed in the upper surface of the base 11, and the groove 111 is convenient for fixing a shell; the base 1 is provided with the lower pressing film 12 on two sides of the base 11, the upper surface and the side surface of the lower pressing film 12 are in a continuous smooth arc shape, and the arc angle of the lower pressing film 12 is larger than the forming angle of two sides of the shell.

Referring to fig. 1 and 2, a movable plate 3 is arranged between an air cylinder 2 and a base 11, the movable plate 3 is fixedly connected with the end part of a piston rod of the air cylinder 2, a press roller 41 is arranged between the movable plate 3 and a lower press film 12, support plates 4 are arranged on two sides of the press roller 41, and two ends of the press roller 41 are fixedly connected with the support plates 4; a first fixed plate 42 is arranged above the press roller 41, two ends of the first fixed plate 42 are fixedly connected with the support plate 4, a sliding block 35 is fixedly arranged on the upper surface of the first fixed plate 42, the sliding block 35 is in a T shape, and a sliding groove 34 matched with the sliding block 35 is formed in the lower surface of the moving plate 3 along the direction perpendicular to the press roller 41; the lower surface of the movable plate 3 is fixedly connected with second fixed plates 32, the second fixed plates 32 are in same number and in one-to-one correspondence with the first fixed plates 42, the second fixed plates 32 are positioned between the two pressing rollers 41, and a reset spring 6 is fixedly connected between the first fixed plates 42 and the second fixed plates 32 which are oppositely arranged. Due to the improvement of the lower pressing film 12, the pressing roller 41 moves along the opposite sides of the two pressing rollers 41 in the horizontal plane, then moves along the opposite sides of the two pressing rollers 41, the reset spring 6 is added, and after the reset spring 6 is stretched, the reset spring 6 has the elasticity of recovering to the original length, so that the reset spring 6 can conveniently drive the pressing rollers 41 to move along the opposite sides of the two pressing rollers 41.

Referring to fig. 2, a pressing plate 5 is disposed above a base 11, the pressing plate 5 is aligned with a groove 111 of the base 11, the pressing plate 5 is lower than a pressing roller 41, a telescopic rod 33 and a telescopic sleeve 51 are disposed between the pressing plate 5 and a moving plate 3, the top of the telescopic rod 33 is fixedly connected with the moving plate 3, the bottom end of the telescopic sleeve 51 is fixedly connected with the pressing plate 5, and the telescopic rod 33 is slidably connected with the telescopic sleeve 51 along the length direction of the telescopic sleeve 51. When the movable plate 3 moves downwards, the pressing plate 5 is abutted with the shell, so that the fixing of the position of the shell is facilitated, and when the movable plate 3 moves downwards continuously, the telescopic rod 33 gradually enters the telescopic sleeve 51, so that the device can be used normally in the embodiment.

Referring to fig. 2, guide blocks 15 are arranged on both sides of the lower pressing film 12, a certain distance exists between the guide blocks 15 and the lower pressing film 12, so that the support plate 4 can move downwards conveniently, the guide blocks 15 are fixedly connected with the base 1, the shapes of the guide blocks 15 are the same, and the arc-shaped surfaces of the guide blocks 15 are aligned with the arc-shaped surfaces of the lower pressing film 12; the side of the supporting plate 4, which is away from the press roller 41, is fixedly provided with a slide roller 43, the slide roller 43 is positioned below the press roller 41, and the slide roller 43 is in sliding connection with the guide block 15 along the arc-shaped surface of the guide block 15; a connecting plate 16 is arranged between the guide blocks 15 positioned on the same side of the base 11, the guide blocks 15 are abutted against the connecting plate 16, the connecting plate 16 is fixedly connected with the base 1, and the height of the connecting plate 16 is smaller than that of the guide blocks 15, so that the finished shell can be conveniently collected. Because the height of the sliding roller 43 is lower than that of the pressing roller 41, in the process that the movable plate 3 drives the supporting plate 4 to move downwards, the sliding roller 43 is abutted against the guide block 15, a certain gap exists between the pressing roller 41 and the lower pressing film 12, the extrusion force of the pressing roller 41 and the lower pressing film 12 on the shell is reduced, and the protection of the shell is facilitated.

Referring to fig. 2, a moving rod 31 is disposed between the moving plate 3 and the base 1, the corner of the moving rod 31 near the moving plate 3 is fixedly connected with the moving plate 3, the upper surface of the base 1 is fixedly connected with a fixing rod 13, a limiting rod 14 is circumferentially disposed on the outer side of the fixing rod 13, the limiting rod 14 is aligned with the moving rod 31, the limiting rod 14 is fixedly connected with the base 1, the length of the limiting rod 14 is smaller than that of the fixing rod 13, and the moving rod 31 is slidably connected with the fixing rod 13 along the length direction of the fixing rod 13. The distance from the bottom end of the moving rod 31 to the top end of the limiting rod 14 is the downward moving height of the press roller 41, so that the displacement of the press roller 41 is conveniently limited, and the accuracy of the press forming of the shell is improved.

The embodiment of the utility model relates to a shell extrusion die, which has the implementation principle that: firstly, placing the shell on the base 11 and the lower pressing film 12, starting the air cylinder 2, driving the moving plate 3 to move downwards by the air cylinder 2, abutting the pressing plate 5 with the middle part of the shell, fixing the shell, continuing to move downwards by the moving plate 3, abutting the sliding roller 43 with the guide block 15, moving the sliding roller 43 along the guide block 15, pressing and deforming two sides of the shell by the pressing roller 41, stretching and contracting the reset spring 6 firstly to enable the deformation of the shell to be larger than that of a finished shell, starting the air cylinder 2 to move upwards, driving the pressing roller 41 to return to the original position by the air cylinder 2, and after the pressing roller 41 leaves the shell, counteracting a part of rebound quantity generated by the shell and the overpressure of the shell, so that the shell molding precision is higher. Through the technical scheme, the compression molding performance of the shell extrusion molding die is improved.

The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a shell extrusion die, includes base (1), its characterized in that: base (11) are installed to the top of base (1), both sides of base (11) all are provided with down press mold (12), press mold (12) are connected fixedly with base (1) down, the upper surface and the side surface of press mold (12) are continuous arc shape down, the angle of the pitch arc of press mold (12) is greater than the angle of finished shell down, the top of base (1) is provided with movable plate (3), the top of movable plate (3) is provided with cylinder (2), the piston rod of cylinder (2) is connected fixedly with movable plate (3), the below of movable plate (3) is provided with two compression rollers (41), two compression rollers (41) are located the top of press mold (12) down respectively, backup pad (4) are set firmly in the both sides of compression roller (41), backup pad (4) are followed horizontal direction and are moved plate (3) sliding connection.

2. A shell extrusion die as set forth in claim 1 wherein: the both sides of pressing down membrane (12) all are provided with guide block (15), and the shape of guide block (15) is the same with the shape of pressing down membrane (12), and guide block (15) are aligned with pressing down membrane (12) and are set up, and backup pad (4) all set firmly smooth roll (43) deviating from one side of compression roller (41), and smooth roll (43) are less than the height of compression roller (41), and smooth roll (43) are along the surface and guide block (15) sliding connection of guide block (15).

3. A shell extrusion die as set forth in claim 2 wherein: the lower surface of movable plate (3) has set firmly movable rod (31), and the upper surface of base (1) has set firmly dead lever (13), and movable rod (31) aligns setting with dead lever (13), and movable rod (31) are along self length direction and dead lever (13) sliding connection.

4. A shell extrusion die according to claim 3, wherein: the outside of dead lever (13) encircles and is provided with gag lever post (14), and gag lever post (14) are connected fixedly with base (1), and gag lever post (14) are the same with the displacement of compression roller (41) along vertical direction to distance of movable rod (31).

5. A shell extrusion die as set forth in claim 1 wherein: a pressing plate (5) is arranged between the two pressing rollers (41), a telescopic rod (33) and a telescopic sleeve (51) are arranged between the pressing plate (5) and the moving plate (3), the telescopic sleeve (51) is fixedly connected with the pressing plate (5), the telescopic rod (33) is fixedly connected with the moving plate (3), and the telescopic rod (33) is slidably connected with the telescopic sleeve (51).

6. A shell extrusion die as set forth in claim 1 wherein: a first fixing plate (42) is arranged between the pressing rollers (41) and the moving plate (3), the first fixing plate (42) is fixedly connected with the supporting plate (4), a second fixing plate (32) is arranged between the two pressing rollers (41), the second fixing plate (32) is fixedly connected with the moving plate (3), and a reset spring (6) is fixedly connected between the first fixing plate (42) and the second fixing plate (32).

7. A shell extrusion die as set forth in claim 1 wherein: a gap exists between the guide blocks (15) positioned on the same side of the base (1).

8. A shell extrusion die as set forth in claim 1 wherein: the upper surface of the base (1) is provided with a groove (111).