CN217570231U

CN217570231U - Adjustable extrusion die

Info

Publication number: CN217570231U
Application number: CN202221293435.6U
Authority: CN
Inventors: 卢民锦
Original assignee: Danyang Yuanjin Mould Technology Co ltd
Current assignee: Danyang Yuanjin Mould Technology Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-10-14
Anticipated expiration: 2032-05-26

Abstract

The utility model relates to an extrusion die with adjustable, including the mould body, be equipped with the adjusting part that quantity is two in the mould body, the adjusting part includes first piston cylinder, fixed mounting has electric putter, two in the first piston cylinder the first piston plate of the equal fixedly connected with in one side of electric putter output shaft opposite face, two the first air duct of the equal fixedly connected with in one side of first piston cylinder opposite face. This adjustable extrusion die through setting up adjusting part for the mould body need not to dismantle the change to inside mould and bed die when facing the product replacement, only needs to change electric putter's flexible state, alright completion to the inside regulation of bed die, makes its extrusion that can be suitable for two kinds of different model products, has avoided the problem that the production efficiency that frequently changes the mould and cause is low, has solved the problem that current extrusion die can not adjust in a flexible way.

Description

Adjustable extrusion die

Technical Field

The utility model relates to an extrusion die technical field specifically is an adjustable extrusion die.

Background

Cold extrusion is a process in which a metal blank is placed in a cold extrusion die cavity and pressure is applied to the blank by a male die fixed on a press machine at room temperature to plastically deform the metal blank to produce a part.

The cold extrusion die is divided into an integral die and a combined die, and the combined die is divided into a prestressed combined die and a split combined die.

The existing extrusion die can only be used for die casting a single section, if the die casting shape needs to be changed, the die needs to be disassembled and replaced, and particularly, when a production line is used for alternately extruding and producing two products with different specifications, a large amount of time can be spent on replacing the products, so that the use requirements of people can not be well met.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an extrusion die with adjustable possesses the advantage that can adjust in a flexible way, has solved the problem that current extrusion die can not adjust in a flexible way.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable extrusion die comprises a die body, wherein two adjusting assemblies are arranged in the die body.

The adjusting assembly comprises a first piston cylinder, an electric push rod and a first piston plate are fixedly mounted in the first piston cylinder, the electric push rod and the first piston plate are fixedly connected to one side of the opposite surface of an output shaft of the electric push rod, the first air duct is fixedly connected to one side of the opposite surface of the first piston cylinder, the telescopic air bag is fixedly connected to one side of the first piston cylinder and is arranged on the upper surface of the telescopic air bag, the telescopic air bag is fixedly connected to a lantern ring, the second air duct is fixedly connected to the upper surface of the first piston cylinder, the second piston cylinder is fixedly connected to the upper surface of the second air duct, a second piston plate is movably connected to the inner surface of the second piston cylinder, a tension spring is fixedly connected to one side of the opposite surface of the second piston plate, and a limit pin is fixedly connected to one side of the opposite surface of the second piston plate.

Further, the die body comprises an upper die holder and a lower die holder, the upper die holder is positioned at the top of the lower die holder, an upper die is movably mounted on the lower surface of the upper die holder, and a lower die is movably mounted on the upper surface of the lower die holder.

Furthermore, the upper surface of the lower die is provided with an extrusion groove between the two adjusting components, and the lower surface of the extrusion groove is provided with a telescopic groove matched with the size of the lantern ring.

Furthermore, a first piston cavity is formed in the first piston cylinder, the electric push rod is fixedly installed in the first piston cavity, an air storage cavity is formed in the telescopic air bag, and the air storage cavity is communicated with the first piston cavity through a first air guide pipe.

Furthermore, a second piston cavity is formed in the second piston cylinder, the second piston cavity is communicated with the first piston cavity through a second air duct, the second piston plate is located in the second piston cavity, one end, far away from the second piston plate, of the tension spring is fixedly connected with the inner peripheral wall of the second piston cavity, and a pin inserting groove matched with the limiting pin is formed in the peripheral wall of the lantern ring.

Further, be equipped with spacing subassembly in the mould body, spacing subassembly includes the third piston barrel, fixedly connected with third air duct between third piston barrel and the adjacent second piston barrel, third piston chamber has been seted up in the third piston barrel, third piston intracavity swing joint has the third piston board, one side fixedly connected with push rod that the third piston board is close to the lantern ring, one side fixedly connected with slider that the push rod is close to the lantern ring, fixed surface is connected with spacing on the slider, one side fixedly connected with pressure spring of push rod is kept away from to the slider.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this adjustable extrusion die through setting up adjusting part for the mould body need not to dismantle the change to mould and bed die on the inside when facing the product replacement, only needs to change electric putter's flexible state, alright accomplish the regulation to the bed die is inside, makes its extrusion that can be suitable for two kinds of different model products, has avoided frequently changing the problem that production efficiency is low that the mould caused, has solved the problem that current extrusion die can not adjust in a flexible way.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is an enlarged partial view of the section A shown in FIG. 1;

fig. 4 is a partially enlarged view of the point B shown in fig. 1 according to the present invention.

In the figure: the device comprises a die body 1, an adjusting assembly 2, a first piston cylinder 201, an electric push rod 202, a first piston plate 203, a first air duct 204, a telescopic air bag 205, a lantern ring 206, a second air duct 207, a second piston cylinder 208, a second piston plate 209, a tension spring 210, a limit pin 211, a third piston cylinder 3, a third piston cylinder 31, a third air duct 32, a third piston plate 33, a push rod 34, a slide block 35, a limit strip 36 and a pressure spring 37.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the adjustable extrusion die in this embodiment includes a die body 1, the die body 1 includes an upper die base and a lower die base, the upper die base is located on the top of the lower die base, the upper die is mounted on the lower surface of the upper die base through screws, the lower die is mounted on the upper surface of the lower die base through screws, a guide pillar is fixedly connected to the upper surface of the lower die base, a guide sleeve is fixedly connected to the lower surface of the upper die base, and the lower surface of the lower die base is movably connected to an ejector rod inserted into the lower die base.

Be equipped with quantity in the bed die and be two adjusting part 2, the extrusion groove that is located between two adjusting part 2 is seted up to the bed die upper surface, adjusting part 2 includes first piston cylinder 201, first piston chamber has been seted up in the first piston cylinder 201, first piston chamber intracavity fixed mounting has electric putter 202, electric putter 202's the biggest external diameter equals the internal diameter in first piston chamber, the equal fixedly connected with first piston plate 203 in one side of two electric putter 202 output shaft opposite faces, the equal fixedly connected with first air duct 204 in one side of two first piston cylinder 201 opposite faces, first air duct 204 keeps away from one side fixedly connected with flexible gasbag 205 of first piston cylinder 201, air storage chamber has been seted up in flexible gasbag 205, air storage chamber is linked together through first air duct 204 and first piston chamber, two flexible gasbag 205 upper surfaces all with lantern ring 206 fixed connection, the flexible groove of lantern ring 206 size looks adaptation is seted up to extrusion groove lower surface, the height of lantern ring 206 is greater than the height of extrusion groove, the upper surface fixedly connected with second air duct 207 on the first piston cylinder 201, the upper surface fixedly connected with second piston chamber 207 upper surface fixedly connected with second piston chamber is linked together with second piston plate 209 through the extension spring 209 of the equal piston plate of second piston chamber in the second piston chamber one side fixed piston chamber 209 and the extension spring 209, the piston plate is connected with second piston chamber of second piston chamber is connected with second piston chamber in the extension spring 209, the piston chamber is connected with piston plate 209, the piston chamber is connected with second piston chamber is connected with the extension spring 209, the piston plate is connected with second piston chamber of piston chamber is connected with second piston chamber 211.

In this embodiment, the second air duct 207 is located on the side of the second piston plate 209 away from the collar 206, and the upper surface of the collar 206 is flush with the upper surface of the crush slot when the bellows 205 is fully deflated.

It should be noted that the outer peripheral wall of the first piston plate 203 is attached to the inner peripheral wall of the first piston chamber, the outer diameter of the extrusion groove is equal to the outer diameter of the collar 206, the telescopic airbag 205 is located in the telescopic groove, the first piston plate 203 is located right below the second air duct 207 when the output shaft of the electric push rod 202 is not stretched, the limit pin 211 is located outside the telescopic groove when the tension spring 210 is not stretched, and the limit pin 211 is located in the telescopic groove when the tension spring 210 is fully stretched.

Referring to fig. 4, in order to prevent the collar 206 from being lifted during use, a limiting assembly 3 is disposed in the mold body 1 in this embodiment, the limiting assembly 3 includes a third piston cylinder 31, a third air duct 32 is fixedly connected between the third piston cylinder 31 and an adjacent second piston cylinder 208, a third piston cavity is formed in the third piston cylinder 31, the third piston cavity is communicated with the second piston cavity through the third air duct 32, a third piston plate 33 is movably connected in the third piston cavity, an outer peripheral wall of the third piston plate 33 is attached to an inner peripheral wall of the third piston cavity, a push rod 34 is fixedly connected to one side of the third piston plate 33 close to the collar 206, a slider 35 is fixedly connected to one side of the push rod 34 close to the collar 206, a limiting strip 36 is fixedly connected to an upper surface of the slider 35, and a pressure spring 37 is fixedly connected to one side of the slider 35 far from the push rod 34.

It should be noted that the third air duct 32 is located on the side of the third piston plate 33 away from the collar 206, the third air duct 32 is located on the side of the second piston plate 209 away from the collar 206, the lower surface of the position limiting strip 36 is flush with the upper surface of the lower mold, and the extension line of the collar 206 passes through the position limiting strip 36 when the pressure spring 37 is not compressed.

The working principle of the above embodiment is as follows:

support lantern ring 206 after aerifing through flexible gasbag 205, make the demand that the mould body 1 can accomplish extrusion minor diameter product, and when the product external diameter need be changed, control electric putter 202 earlier and drive first piston plate 203 to the one side removal of keeping away from lantern ring 206, make the inside gas of flexible gasbag 205 taken out, and then compressed under the action of gravity of lantern ring 206, make lantern ring 206 sink to and extrude the groove parallel and level, and the removal of first piston plate 203 also leads to the gas in first piston chamber to be pushed to second piston chamber and third piston chamber, make spacer pin 211 overcome extension spring 210 pulling force and insert in the lantern ring 206, accomplish the fixing to lantern ring 206, and the spacing strip 36 at top then keeps away from lantern ring 206 under the promotion of push rod 34, and then do not influence the taking out of inside production, thereby quick nimble completion is to the change of finished product.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An adjustable extrusion die, includes the mould body (1), its characterized in that: two adjusting assemblies (2) are arranged in the die body (1);

adjusting part (2) includes first piston cylinder (201), fixed mounting has electric putter (202), two in first piston cylinder (201) the equal fixedly connected with first piston plate (203) in one side of electric putter (202) output shaft opposite face, two the equal fixedly connected with first air duct (204) in one side of first piston cylinder (201) opposite face, one side fixedly connected with flexible gasbag (205) of first piston cylinder (201) is kept away from in first air duct (204), two flexible gasbag (205) upper surface all with lantern ring (206) fixed connection, surface fixed connection has second air duct (207) on first piston cylinder (201), surface fixed connection has second piston cylinder (208) on second air duct (207), swing joint has second piston plate (209) in second piston cylinder (208), two the equal fixedly connected with extension spring (210) in one side of second piston plate (209) opposite face, two one side of second piston plate (209) opposite face all fixedly connected with spacer pin (211).

2. An adjustable extrusion die as set forth in claim 1, wherein: the die body (1) comprises an upper die base and a lower die base, the upper die base is located at the top of the lower die base, an upper die is movably mounted on the lower surface of the upper die base, and a lower die is movably mounted on the upper surface of the lower die base.

3. An adjustable extrusion die as set forth in claim 2, wherein: the upper surface of the lower die is provided with an extrusion groove between the two adjusting components (2), and the lower surface of the extrusion groove is provided with a telescopic groove matched with the size of the lantern ring (206).

4. An adjustable extrusion die as set forth in claim 1, wherein: a first piston cavity is formed in the first piston cylinder (201), the electric push rod (202) is fixedly installed in the first piston cavity, an air storage cavity is formed in the telescopic air bag (205), and the air storage cavity is communicated with the first piston cavity through a first air guide pipe (204).

5. An adjustable extrusion die as set forth in claim 4, wherein: a second piston cavity is formed in the second piston cylinder (208), the second piston cavity is communicated with the first piston cavity through a second air duct (207), the second piston plate (209) is located in the second piston cavity, one end, far away from the second piston plate (209), of the tension spring (210) is fixedly connected with the inner peripheral wall of the second piston cavity, and a bolt groove matched with the limit pin (211) is formed in the outer peripheral wall of the sleeve ring (206).

6. An adjustable extrusion die as set forth in claim 1, wherein: be equipped with spacing subassembly (3) in the mould body (1), spacing subassembly (3) include third piston barrel (31), fixedly connected with third air duct (32) between third piston barrel (31) and adjacent second piston barrel (208), third piston chamber has been seted up in third piston barrel (31), third piston chamber swing joint has third piston plate (33), one side fixedly connected with push rod (34) that third piston plate (33) are close to the lantern ring (206), one side fixedly connected with slider (35) that push rod (34) are close to the lantern ring (206), fixed surface is connected with spacing (36) on slider (35), one side fixedly connected with pressure spring (37) of push rod (34) are kept away from in slider (35).