CN213378665U

CN213378665U - Elbow rapid prototyping assembling die

Info

Publication number: CN213378665U
Application number: CN202022321144.0U
Authority: CN
Inventors: 黄明辉
Original assignee: Shaoxing Kanglingdun Pipe Industry Co Ltd
Current assignee: Shaoxing Kanglingdun Pipe Industry Co Ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-06-08
Anticipated expiration: 2030-10-19

Abstract

The utility model discloses an elbow rapid forming combined die, which comprises a mounting frame, an upper die base, a lower die base and a die core; an upper die base groove is formed in the upper die base, a lower die base groove is formed in the lower die base, the upper die base groove and the lower die base groove are matched to form a die cavity, and the die core is in clearance fit with the die cavity; the mold core comprises a horizontal section, a bent section and a vertical section; the elbow section comprises a first module, a second module and a third module; the included angle between the binding surface of the first module, the second module and the third module and the horizontal plane is 45 degrees; the first module, the second module and the third module are respectively fixed with a limiting block, and two ends of the elbow section are respectively connected with the horizontal section and the vertical section in a limiting way through the limiting blocks. Use the utility model provides an elbow rapid prototyping assembling die, the shape of pipe fitting front end portion can not produce sunkenly, can not cause the damage to the elbow inner wall during the mold core drawing of patterns, through set up a plurality of die cavities side by side on the mould, can realize a plurality of elbows of disposable processing, has increased substantially output efficiency.

Description

Elbow rapid prototyping assembling die

Technical Field

The utility model relates to a forming die technical field especially relates to an elbow rapid prototyping assembling die.

Background

The elbow is divided into a common elbow and an elbow with a straight pipe, and in the prior art, when the metal elbow with the straight pipe is formed, the straight pipe is processed into the elbow by applying thrust to the rear end of a processed pipe fitting generally in a cold extrusion forming mode.

When the existing elbow forming die is used for processing a straight pipe into an elbow, the front end part of the pipe fitting is sunken, and when the die core is withdrawn from the die cavity, the die core plays a rigid rolling role on the sunken part of the front end part of the processed pipe fitting, so that the sunken part is raised, and the full effect is achieved. However, the processing mode can generate scratches on the inner wall of the elbow pipe fitting, the quality of the elbow is affected, and the abrasion of the mold core is also aggravated when the mold core is withdrawn from the elbow, so that the production is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a quick shaping assembling die of elbow to solve the problem that above-mentioned prior art exists.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides a rapid elbow forming combined die, which comprises a mounting frame, an upper die base, a lower die base and a die core; the upper die base is provided with a plurality of upper die base grooves, the lower die base is provided with lower die base grooves corresponding to the upper die base grooves, the upper die base grooves and the lower die base grooves are matched to form a die cavity, and the die core is in clearance fit with the die cavity;

the mold core comprises a horizontal section, a bent section and a vertical section; the elbow section comprises a first module, a second module and a third module; the first module is provided with four surfaces, an arc surface matched with the die cavity, end surfaces respectively contacted with the horizontal section and the vertical section, and binding surfaces contacted with the second module and the third module, and the included angle between the binding surfaces and the horizontal plane is 45 degrees; a connecting block is fixed in the middle of the first module binding surface, the second module and the third module are respectively arranged on two sides of the connecting block, the second module and the third module are in contact connection, and grooves matched with the connecting block are formed in the second module and the third module;

the first module, the second module and the third module are respectively fixed with a limiting block, the horizontal section and the vertical section are respectively provided with a groove matched with the limiting blocks, the first module and the second module are connected with the horizontal section in a limiting way through the limiting blocks, and the first module and the third module are connected with the vertical section in a limiting way through the limiting blocks.

Preferably, the lower die holder is arranged on the mounting frame bottom plate, a first hydraulic cylinder is fixedly connected to the top of the mounting frame, and the upper die holder is fixedly connected with the piston end of the first hydraulic cylinder.

Preferably, the top of the mounting frame is fixedly connected with a second hydraulic cylinder, a piston end of the second hydraulic cylinder is fixedly connected with a first connecting plate, a push rod is fixedly mounted at the bottom of the first connecting plate, and the push rod is arranged corresponding to the die cavity.

Preferably, sliding connection has the stand on the mounting bracket bottom plate, fixedly connected with second connecting plate on the stand, fixedly connected with connecting rod on the second connecting plate, the connecting rod with horizontal segment fixed connection.

Preferably, the diameter of the push rod is the same as that of the die cavity, an insertion section is arranged at the tail end of the push rod, and the diameter of the insertion section is the same as the inner diameter of the pipe fitting to be bent.

Preferably, the distance between the mold core and the cavity wall is the same as the wall thickness of the pipe to be bent.

Preferably, a chamfer is arranged at one end, far away from the elbow section, of the vertical section.

The utility model discloses a following technological effect: use the utility model provides an elbow rapid prototyping assembling die, when processing the straight tube into the elbow, the shape of pipe fitting front end portion can not produce sunkenly, can not cause the damage to the elbow inner wall during the mold core drawing of patterns, and the mold core equipment is convenient moreover, and the drawing of patterns of being convenient for can realize a plurality of elbows of disposable processing through set up a plurality of die cavities side by side on the mould, has increased substantially output efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

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

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a schematic structural view of a pipe to be bent;

the bending die comprises a mounting frame 1, an upper die holder 2, a lower die holder 3, a die cavity 4, a horizontal section 51, a elbow section 52, a vertical section 53, a first module 521, a second module 522, a third module 523, a connecting block 524, a limiting block 525, a first hydraulic cylinder 6, a second hydraulic cylinder 7, a first connecting plate 8, a push rod 9, an insertion section 91, an upright post 10, a second connecting plate 11, a connecting rod 12 and a pipe fitting to be bent 13.

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.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

The utility model provides a rapid elbow forming combined die, which comprises an installation frame 1, an upper die base 2, a lower die base 3 and a die core; the upper die holder 2 is provided with upper die holder grooves, the number of the upper die holder grooves is not less than two, the lower die holder 3 is provided with lower die holder grooves corresponding to the upper die holder grooves, the upper die holder grooves and the lower die holder grooves are matched to form a die cavity 4, the die core is in clearance fit with the die cavity 4, and the distance between the die core and the cavity wall of the die cavity 4 is the same as the wall thickness of a pipe fitting 13 to be bent;

the mold core comprises a horizontal section 51, an elbow section 52 and a vertical section 53; the elbow section 52 includes a first module 521, a second module 522, and a third module 523; the first die block 521 has four surfaces, an arc surface adapted to the die cavity 4, end surfaces respectively contacting with the horizontal section 51 and the vertical section 53, and abutting surfaces contacting with the second die block 522 and the third die block 523, and an included angle between each abutting surface and a horizontal plane is 45 degrees; a connecting block 524 is fixed in the middle of the attaching surface of the first module 521, the second module 522 and the third module 523 are respectively arranged on two sides of the connecting block 524, the second module 522 is in contact connection with the third module 523, and grooves matched with the connecting block 524 are formed in both the second module 522 and the third module 523;

the first module 521, the second module 522 and the third module 523 are all fixed with a limiting block 525, the horizontal section 51 and the vertical section 53 are both provided with grooves matched with the limiting block 525, the first module 521 and the second module 522 are in limiting connection with the horizontal section 51 through the limiting block 525, and the first module 521 and the third module 523 are in limiting connection with the vertical section 53 through the limiting block 525.

Further, the lower die holder 3 is arranged on a bottom plate of the mounting frame 1, a first hydraulic cylinder 6 is fixedly connected to the top of the mounting frame 1, and the upper die holder 2 is fixedly connected with a piston end of the first hydraulic cylinder 6; the top of the mounting frame 1 is fixedly connected with a second hydraulic cylinder 7, a piston end of the second hydraulic cylinder 7 is fixedly connected with a first connecting plate 8, the bottom of the first connecting plate 8 is fixedly provided with a push rod 9, the diameter of the push rod 9 is the same as that of the die cavity 4, the tail end of the push rod 9 is provided with an insertion section 91, the diameter of the insertion section 91 is the same as that of the inner diameter of the pipe part 13 to be bent, and the push rod 9 is arranged corresponding to the die cavity 4; sliding connection has stand 10 on the 1 bottom plate of mounting bracket, fixedly connected with second connecting plate 11 on the stand 10, fixedly connected with connecting rod 12 on the second connecting plate 11, connecting rod 12 with horizontal segment 51 fixed connection.

Further, in order to conveniently sleeve the pipe to be bent 13 on the vertical section 53 of the mold core, a chamfer is arranged at one end of the vertical section 53, which is far away from the elbow section 52.

The utility model provides a quick shaping assembling die of elbow, when using, assemble the mould earlier, pass through connecting rod 12 and stand 10 fixed connection with the horizontal segment 51 of mold core, then assemble the elbow section 52 of mold core, splice second module 522 and third module 523 through connecting block 524 and first module 521, the elbow section 52 concatenation of mold core is accomplished the back, insert the recess of horizontal segment 51 with spacing block 525 on first module 521 and the second module 522, it is spacing to utilize the recess to carry out first module 521 and second module 522, the elbow section 52 that makes the mold core can remain stable with the horizontal segment 51 of mold core, then pass through the spacing connection of the elbow section 52 of stopper 525 with the mold core with the vertical section 53 of mold core again, accomplish the equipment of mold core. After the mold core is assembled, the upright post 10 moves towards the lower mold base 3, the mold core enters a groove of the lower mold base 3, when the mold core moves to a specified position, the upright post 10 stops moving, the upright post 10 and a bottom plate of the mounting frame 1 are fixed, then a pipe fitting 13 to be bent is sleeved on a vertical section 53 of the mold core, the first hydraulic cylinder 6 is started, the upper mold base 2 moves downwards to be matched with the lower mold base 3, then the second hydraulic cylinder 7 is started, the inserting section 91 of the push rod 9 is inserted into the pipe fitting 13 to be bent, the pipe fitting 13 to be bent is continuously pushed towards the bent part of the mold cavity 4 until the pipe fitting 13 to be bent smoothly turns and the push rod 9 is in contact with the vertical section 53 of the mold core, the push rod 9 stops pushing, and the length of the pipe fitting 13 to be bent is approximately the; then moving the upright post 10 in the direction far away from the lower die holder 3 to separate the connecting rod 12 and the horizontal section 51 of the die core from the die, moving the upper die holder 2 and the push rod 9 upwards, taking the processed elbow out of the lower die holder 3, then demoulding, taking the vertical section 53 of the die core out first during demoulding, pulling the second module 522 and the third module 523 along the direction of the binding surface, taking the second module 522 and the third module 523 out of the elbow, taking the first module 521 out of the elbow, and completing demoulding, wherein the included angle between the binding surface and the horizontal plane is 45 degrees, so that the second module 522 and the third module 523 cannot be clamped during taking out, the inner wall of the elbow cannot be damaged, and the abrasion to the die core is small.

The utility model provides a quick shaping assembling die of elbow, mold core equipment is convenient, and through setting up a plurality of die cavities 4 that parallel on the mould, can realize a plurality of elbows of disposable processing moreover, has increased substantially output efficiency.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. An elbow rapid forming combined die is characterized by comprising a mounting frame (1), an upper die base (2), a lower die base (3) and a die core; the upper die holder (2) is provided with a plurality of upper die holder grooves, the lower die holder (3) is provided with lower die holder grooves corresponding to the upper die holder grooves, the upper die holder grooves and the lower die holder grooves are matched to form a die cavity (4), and the die core is in clearance fit with the die cavity (4);

the mold core comprises a horizontal section (51), an elbow section (52) and a vertical section (53); the elbow section (52) comprises a first module (521), a second module (522) and a third module (523); the first module (521) is provided with four surfaces, an arc surface matched with the die cavity (4), end surfaces respectively contacted with the horizontal section (51) and the vertical section (53), and binding surfaces contacted with the second module (522) and the third module (523), and the included angle between the binding surfaces and the horizontal plane is 45 degrees; a connecting block (524) is fixed in the middle of the binding surface of the first module (521), the second module (522) and the third module (523) are respectively arranged on two sides of the connecting block (524), the second module (522) and the third module (523) are in contact connection, and grooves matched with the connecting block (524) are formed in the second module (522) and the third module (523);

the first module (521), the second module (522) and the third module (523) are respectively fixed with a limiting block (525), the horizontal section (51) and the vertical section (53) are respectively provided with a groove matched with the limiting block (525), the first module (521) and the second module (522) are in limiting connection with the horizontal section (51) through the limiting block (525), and the first module (521) and the third module (523) are in limiting connection with the vertical section (53) through the limiting block (525).

2. The elbow rapid prototyping combination die of claim 1, wherein: the lower die holder (3) is arranged on a bottom plate of the mounting frame (1), a first hydraulic cylinder (6) is fixedly connected to the top of the mounting frame (1), and the upper die holder (2) is fixedly connected with a piston end of the first hydraulic cylinder (6).

3. The elbow rapid prototyping combination die of claim 1, wherein: mounting bracket (1) top fixedly connected with second pneumatic cylinder (7), the piston end fixedly connected with first connecting plate (8) of second pneumatic cylinder (7), first connecting plate (8) bottom fixed mounting has push rod (9), push rod (9) correspond the setting with die cavity (4).

4. The elbow rapid prototyping combination die of claim 1, wherein: sliding connection has stand (10) on mounting bracket (1) the bottom plate, fixedly connected with second connecting plate (11) on stand (10), fixedly connected with connecting rod (12) on second connecting plate (11), connecting rod (12) with horizontal segment (51) fixed connection.

5. The elbow rapid prototyping combination die of claim 3, wherein: the diameter of the push rod (9) is the same as that of the die cavity (4), an insertion section (91) is arranged at the tail end of the push rod (9), and the diameter of the insertion section (91) is the same as the inner diameter of the pipe fitting (13) to be bent.

6. The elbow rapid prototyping combination die of claim 1, wherein: the distance between the mold core and the cavity wall of the mold cavity (4) is the same as the wall thickness of the pipe part (13) to be bent.

7. The elbow rapid prototyping combination die of claim 1, wherein: and a chamfer is arranged at one end of the vertical section (53) far away from the elbow section (52).