CN212093853U

CN212093853U - Nonrust steel pipe device of buckling with adjustable

Info

Publication number: CN212093853U
Application number: CN202020489278.0U
Authority: CN
Inventors: 任逸飞; 黄伟江
Original assignee: Shaoxing Fele Pipe Industry Co ltd
Current assignee: Shaoxing Fele Pipe Industry Co ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2020-12-08
Anticipated expiration: 2030-04-07

Abstract

The utility model provides a nonrust steel pipe device of buckling with adjustable, including base, the rotatory hydro-cylinder of setting on the base, carousel, rotation seat, fixing base, mould one, mould two, mould three, mould four, the carousel sets up on the output at rotatory hydro-cylinder top, it links to each other with the carousel to rotate the seat, the fixing base links to each other with the base, mould two sets up on the carousel, mould four are fixed to be set up on the base, between mould one and the mould two, transversely be formed with between mould three and the mould four with the die cavity of nonrust steel pipe looks adaptation, still include with the internal mold pole one and the internal mold pole two of the inside looks adaptation of nonrust steel pipe, internal mold pole one is fixed to be set up on the base and one end stretches into between mould three and the mould four, internal mold pole two sets up and one end stretches into on rotating the seat between mould one and the mould two. Before bending, the two ends of the stainless steel pipe are respectively sleeved on the inner die rod I and the inner die rod II, the inner die rod I and the inner die rod II support the inner wall of the stainless steel pipe, and the stainless steel pipe is not prone to deformation in the bending process.

Description

Nonrust steel pipe device of buckling with adjustable

Technical Field

The utility model relates to a nonrust steel pipe technical field of buckling specifically is a nonrust steel pipe device of buckling with adjustable.

Background

In some cases, the steel pipe needs to be bent by a steel pipe bending machine before being used, so that a pipe bending device is generally used when a stainless steel pipe or a stainless steel rod is bent to meet the required use condition.

There are some pipe bending devices on the market, such as a pipe bending machine of chinese patent publication No. CN103846326B, which includes "a pipe bending machine tool and a pipe bending mechanism, the pipe bending mechanism includes a pipe bending rotating arm with a slide rail, which can rotate around a rotating shaft, a pipe bending die disposed on the pipe bending rotating arm, on which a die cavity is disposed, a main clamping die disposed on the slide rail and capable of sliding on the slide rail, and cooperates with the pipe bending die to clamp a pipe fitting, but the pipe bending device used at present is … … during the bending process of the steel pipe"

However, when the bending machine is used for bending the stainless steel pipe, the wall thickness of the stainless steel pipe is thin, so that the bending part of the stainless steel pipe is easy to be sunken in the bending process, and the quality of the bending part of the stainless steel pipe is affected.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a nonrust steel pipe device of buckling with adjustable has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an adjustable stainless steel pipe bending device comprises a base, a rotary oil cylinder arranged on the base, a rotary table, a rotary seat, a fixed seat, a first mold, a second mold, a third mold and a fourth mold, wherein the rotary table is arranged at the output end of the top of the rotary oil cylinder, the rotary seat is connected with the rotary table, the fixed seat is connected with the base, the second mold is arranged on the rotary table, the fourth mold is fixedly arranged on the base, mold grooves matched with stainless steel pipes are transversely formed between the first mold and the second mold and between the third mold and the fourth mold, a second hydraulic cylinder connected with the first mold is arranged on the rotary seat, the second hydraulic cylinder can push the first mold towards the second mold, a second hydraulic cylinder connected with the third mold is arranged on the fixed seat, the second hydraulic cylinder can push the third mold towards the fourth mold, and the first inner mold rod and the second mold rod matched with the inside of the stainless steel pipes are further included, the first inner mold rod is fixedly arranged on the base, one end of the first inner mold rod extends into a position between the third mold and the fourth mold, the second inner mold rod is arranged on the rotating seat, and one end of the second inner mold rod extends into a position between the first mold and the second mold.

Preferably, a sliding seat and a sliding plate capable of sliding on the sliding seat are arranged on the rotating seat, the sliding seat is arranged along the length direction of a die cavity between the first die and the second die, the second inner die rod is fixedly arranged on the sliding plate, and an air cylinder for pushing the sliding plate is arranged on the sliding seat.

Preferably, the outer portion of the inner mold rod II is sleeved with a limiting ring with the diameter larger than the outer diameter of the stainless steel pipe, fixing lugs are arranged on two sides of the limiting ring, a plurality of positioning holes are formed in the sliding plate at equal intervals along the length direction of the inner mold rod II, fixing holes matched with the positioning holes are formed in the fixing lugs, and the positioning holes are connected with the fixing holes through fixing bolts.

Preferably, the die further comprises a die base, the die III is connected to the die base in a sliding mode along the length direction of the inner die rod I, the hydraulic cylinder II on the fixing base is connected with the die base, the base is provided with a hydraulic cylinder I connected with the die III, and the hydraulic cylinder I is arranged along the length direction of the inner die rod I.

(III) advantageous effects

The utility model provides a nonrust steel pipe device of buckling with adjustable. The method has the following beneficial effects:

1. this nonrust steel pipe device of buckling with adjustable, before buckling, overlap the both ends of nonrust steel pipe respectively in mould pole one and the centre form pole two, centre form pole one and centre form pole two prop up the inner wall of nonrust steel pipe, make nonrust steel pipe non-deformable at the in-process of buckling, the nonrust steel pipe quality of buckling out is better.

Drawings

FIG. 1 is an isometric view of the present invention;

FIG. 2 is a schematic view of a second hydraulic cylinder of the present invention;

fig. 3 is a schematic view of the sliding seat and the sliding plate of the present invention;

fig. 4 is a view of the bending operation state of the present invention.

In the figure: the device comprises a base 1, a rotating seat 2, a fixed seat 3, a rotating oil cylinder 4, a rotating disc 5, a die I6, a die II 7, a die seat 8, a die III 9, a die IV 10, a hydraulic cylinder I11, a hydraulic cylinder II 12, an inner die rod I13, an inner die rod II 14, a sliding seat 15, a sliding plate 16, an air cylinder 17, a limiting ring 18, a fixing lug 19, a positioning hole 20, a fixing hole 21, a fixing bolt 22 and a stainless steel tube 23.

Detailed Description

The embodiment of the utility model provides a nonrust steel pipe device of buckling with adjustable, as shown in fig. 1-4, including base 1, the rotatory hydro-cylinder 4 of setting on base 1, carousel 5, rotate seat 2, fixing base 3, mould 6, mould two 7, mould three 9, mould four 10, carousel 5 sets up on the output at rotatory hydro-cylinder 4 top, and rotatory hydro-cylinder 4 is prior art, can drive 5 reciprocal rotations 90 of carousel, rotates seat 2 and links to each other with carousel 5, rotates

seat

2 and 5 synchronous rotations of carousel. Fixing base 3 links to each other with base 1, and fixing base 3 is the motionless all the time. The second die 7 is arranged on the turntable 5, the fourth die 10 is fixedly arranged on the base 1, die grooves matched with the stainless steel pipes 23 are transversely formed between the first die 6 and the second die 7 and between the third die 9 and the fourth die 10, the second hydraulic cylinder 12 connected with the first die 6 is arranged on the rotating base 2, the first die 6 can be pushed towards the second die 7 by the second hydraulic cylinder 12, the second hydraulic cylinder 12 connected with the third die 9 is arranged on the fixing base 3, and the third die 9 can be pushed towards the fourth die 10 by the second hydraulic cylinder 12. The hydraulic cylinders 12 on the fixed seat 3 and the rotating seat 2 are synchronously driven, and simultaneously push the first die 6 and the third die 9 to the second die 7 and the fourth die 10. The above techniques are all existing bender technologies.

As shown in fig. 1, the device further comprises a first inner mold rod 13 and a second inner mold rod 14 which are matched with the interior of the stainless steel tube 23, the first inner mold rod 13 is fixedly arranged on the base 1, one end of the first inner mold rod 13 extends into a position between the third mold 9 and the fourth mold 10, and one end of the first inner mold rod 13 extends into a position between the third mold 9 and the fourth mold 10 and is flush with the fourth mold 10. The second inner mold rod 14 is arranged on the rotating seat 2, and one end of the second inner mold rod extends into a position between the first mold 6 and the second mold 7. The second inner mold rod 14 extends into the space between the first mold 6 and the second mold 7, and one end of the second inner mold rod is flush with the first mold 6.

As shown in fig. 3, the rotating base 2 is provided with a sliding base 15 and a sliding plate 16 capable of sliding on the sliding base 15, the sliding base 15 is arranged along the length direction of the cavity between the first die 6 and the second die 7, the second inner die rod 14 is fixedly arranged on the sliding plate 16, and the sliding base 15 is provided with an air cylinder 17 for pushing the sliding plate 16. Before and after the stainless steel pipe 23 is loaded, the position of the second inner mold rod 14 is controlled by the air cylinder 17.

Before bending, the two ends of the stainless steel tube 23 are respectively sleeved on the first inner mold rod 13 and the second inner mold rod 14, the inner walls of the stainless steel tube 23 are supported by the first inner mold rod 13 and the second inner mold rod 14, the stainless steel tube 23 is not prone to deformation in the bending process, and the bent stainless steel tube 23 is good in quality.

The outside cover of interior die rod two 14 is equipped with the spacing ring 18 that the diameter is greater than stainless steel pipe 23 external diameter, and the both sides of spacing ring 18 are provided with fixed ear 19, and the equidistant a plurality of locating holes 20 of having seted up along the length direction of interior die rod two 14 on the sliding plate 16, fixed ear 19 sets up the fixed orifices 21 with locating hole 20 looks adaptation, links to each other through gim peg 22 between locating hole 20 and the fixed orifices 21.

Because the bending positions of the stainless steel pipes 23 with different lengths are different, the adjustable limiting ring 18 is arranged on the inner die rod II 14, the distance from the limiting ring 18 to the end part of the inner die rod II 14 is the length of the bending end of the stainless steel pipe 23, and the position of the limiting ring 18 on the inner die rod II 14 can be adjusted by the limiting ring 18 according to the length required by the bending end, so that the method is suitable for batch production.

This device still includes mould seat 8, and mould three 9 is on mould seat 8 along the length direction sliding connection of interior matrix pole one 13, and pneumatic cylinder two 12 on the fixing base 3 links to each other with mould seat 8, is provided with the pneumatic cylinder one 11 that links to each other with mould three 9 on the base 1, and pneumatic cylinder one 11 sets up along the length direction of interior matrix pole one 13.

Because the distance that the outer circle that stainless steel pipe 23 was buckled was walked is longer than the inner circle at the in-process of buckling, and when at the in-process of buckling, the mould three 9 of laminating with stainless steel pipe 23 kink outer circle moves certain distance towards mould 6 directions under the drive of pneumatic cylinder 11 for eliminate the distance difference in the tensile in-process, make the stainless steel pipe 23 of buckling out more perfect.

The working principle is as follows: step one, the cylinder 17 drives the second inner mold rod 14 to move backwards, and then one end of the stainless steel pipe 23 is inserted into the second inner mold rod 14. And step two, the air cylinder 17 acts to push one end of the stainless steel pipe 23 far away from the inner die rod II 14 into the inner die rod I13. And step three, the second hydraulic rod 12 on the rotating seat 2 and the fixed seat 3 acts to push the first die 6 and the third die 9, and the stainless steel pipe 23 is extruded between the first die 6 and the second die 7, and between the third die 9 and the fourth die 10. And step four, rotating the oil cylinder 4 to drive the rotating seat 2 to rotate. And step five, in the rotating process, the first hydraulic cylinder 11 acts to drive the third die 9 to transversely move towards the rotating direction. The steps are controlled by a PLC, and the PLC operates orderly according to a set program.

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 stainless steel pipe bending device comprises a base (1), a rotary oil cylinder (4) arranged on the base (1), a rotary table (5), a rotary seat (2), a fixed seat (3), a first mold (6), a second mold (7), a third mold (9) and a fourth mold (10), wherein the rotary table (5) is arranged at the output end of the top of the rotary oil cylinder (4), the rotary seat (2) is connected with the rotary table (5), the fixed seat (3) is connected with the base (1), the second mold (7) is arranged on the rotary table (5), the fourth mold (10) is fixedly arranged on the base (1), mold grooves matched with a stainless steel pipe (23) are transversely formed between the first mold (6) and the second mold (7) and between the third mold (9) and the fourth mold (10), and a second hydraulic cylinder (12) connected with the first mold (6) is arranged on the rotary seat (2), the second hydraulic cylinder (12) can push the first die (6) towards the second die (7), the second hydraulic cylinder (12) connected with the third die (9) is arranged on the fixed seat (3), and the second hydraulic cylinder (12) can push the third die (9) towards the fourth die (10), and the die casting machine is characterized in that: still include with the inside looks adaptation of stainless steel pipe (23) internal mold pole one (13) and internal mold pole two (14), internal mold pole one (13) are fixed to be set up on base (1) and one end stretches into between mould three (9) and mould four (10), internal mold pole two (14) set up on rotating seat (2) and one end stretches into between mould one (6) and mould two (7).

2. The adjustable stainless steel pipe bending device according to claim 1, wherein: the die comprises a rotating seat (2) and is characterized in that a sliding seat (15) and a sliding plate (16) capable of sliding on the sliding seat (15) are arranged on the rotating seat (2), the sliding seat (15) is arranged along the length direction of a die cavity between a first die (6) and a second die (7), a second inner die rod (14) is fixedly arranged on the sliding plate (16), and an air cylinder (17) used for pushing the sliding plate (16) is arranged on the sliding seat (15).

3. The adjustable stainless steel pipe bending device according to claim 2, wherein: the outer sleeve of the inner mold rod II (14) is provided with a limiting ring (18) with the diameter larger than the outer diameter of the stainless steel pipe (23), two sides of the limiting ring (18) are provided with fixing lugs (19), a plurality of positioning holes (20) are formed in the sliding plate (16) at equal intervals along the length direction of the inner mold rod II (14), the fixing lugs (19) are provided with fixing holes (21) matched with the positioning holes (20), and the positioning holes (20) are connected with the fixing holes (21) through fixing bolts (22).

4. The adjustable stainless steel pipe bending device according to claim 1, wherein: still include mould seat (8), mould three (9) are on mould seat (8) along the length direction sliding connection of interior profile pole (13), pneumatic cylinder two (12) on fixing base (3) link to each other with mould seat (8), be provided with pneumatic cylinder one (11) that link to each other with mould three (9) on base (1), pneumatic cylinder one (11) set up along the length direction of interior profile pole (13).