CN219907790U

CN219907790U - Thin-wall tube annealing fixing die for wide tube diameter range

Info

Publication number: CN219907790U
Application number: CN202321081360.XU
Authority: CN
Inventors: 李新中; 刘冬梅; 李新华
Original assignee: Wuhu China Hydrogen New Energy Technology Co ltd
Current assignee: Wuhu China Hydrogen New Energy Technology Co ltd
Priority date: 2023-05-06
Filing date: 2023-05-06
Publication date: 2023-10-27
Anticipated expiration: 2033-05-06

Abstract

The utility model provides a thin-wall tube annealing fixing die for a wide tube diameter range, which comprises: the annealing furnace main part sets up annealing furnace main part import department and the inlet pipe of intercommunication are the circumference activity setting is in a plurality of mould portions on the inlet pipe, set up the cylinder of annealing furnace main part one end, and set up on the cylinder and overlap in the expansion ring of inlet pipe outer wall, compared with the prior art, can interfere the in-process that external conveying mechanism carried the thin wall pipe to the annealing furnace main part through the inlet pipe, through the actuating action of cylinder to the expansion ring, a plurality of mould portions of messenger shrink along the inlet pipe placed in the middle, keep entering the annealing furnace main part placed in the middle to its correction effect of closing in when letting the thin wall pipe of wide pipe diameter receive a plurality of mould portion shrink, each angle of the thin wall pipe of wide pipe diameter receives balanced annealing effect from this.

Description

Thin-wall tube annealing fixing die for wide tube diameter range

Technical Field

The utility model relates to the technical field of thin-wall tube processing equipment, in particular to an annealing fixing die for a thin-wall tube with a wide tube diameter range.

Background

The thin-wall pipe is made up by using steel ingot or solid pipe blank through the processes of punching to obtain blank pipe, then hot-rolling, cold-rolling or cold-drawing, and its raw material is circular pipe blank, and the circular pipe blank is cut into blank material whose length is about 1 m by means of cutting machine, and fed into furnace to heat, and after the thin-wall pipe is heated, it also needs to be undergone the process of annealing, so that its hardness can be reduced and cutting workability can be improved.

The thin-wall pipe generally enters the steel pipe annealing furnace through the conveying roller, when the pipe diameter of the thin-wall pipe is too wide, the centering of the position of the thin-wall pipe in the process of conveying the thin-wall pipe into the steel pipe annealing furnace cannot be ensured, and the thin-wall pipe with the wide pipe diameter cannot obtain an even and balanced annealing effect, so that the prior art has the defects and needs to be improved.

Disclosure of Invention

The utility model aims to provide a thin-wall tube annealing fixing die for a wide tube diameter range, so as to solve the problems.

In order to achieve the above object, an embodiment of the present utility model provides a thin-walled tube annealing fixing die for a wide tube diameter range, including: the annealing furnace main body is arranged at the inlet of the annealing furnace main body and is communicated with the feeding pipe, a plurality of mold parts which are movably arranged on the feeding pipe in a circumference manner, a cylinder arranged at one end of the annealing furnace main body, and a movable ring which is arranged on the cylinder and sleeved on the outer wall of the feeding pipe, wherein the movable ring comprises a plurality of mold parts which are movably arranged on the feeding pipe in a circumference manner

And driving the air cylinder, and enabling the movable ring to squeeze the mould parts so as to enable the mould parts to shrink and then fasten the thin-wall pipe entering the feeding pipe.

Further, a plurality of mounting grooves are circumferentially formed in the feeding pipe;

the die part comprises a trapezoid rod inserted in the mounting groove, a first arc plate arranged in the mounting groove and connected with the lower end of the trapezoid rod, and a die plate arranged at the lower end of the first arc plate;

the movable ring can extrude the trapezoid rod, so that the trapezoid rod drives the die plate to shrink through the first arc plate and then is fastened into the thin-wall pipe of the feeding pipe.

Further, the mold plate comprises a second arc plate connected to the lower end of the first arc plate and an upturned arc plate arranged on the second arc plate, wherein

The thin-walled tube is adapted to contact the upturned arc plate and the second arc plate in sequence.

Further, the die part also comprises a strip hole arranged on the second arc plate, two vertical plates arranged at the upper ends of the strip hole, and a rotating wheel hinged on the two vertical plates;

the rotating wheel can penetrate through the strip hole and the rear side of the strip hole abuts against the thin-wall pipe.

Further, the mounting groove comprises an arc groove arranged at the middle end of the feeding pipe and a first arc hole communicated with the upper end of the arc groove;

the trapezoid rod is inserted into the first arc hole;

the first arc plate is arranged in the arc groove, and two end sides of the first arc plate are propped against two sides of the arc groove.

Further, the mounting groove also comprises a second arc-shaped hole arranged at the center of the lower end of the feeding pipe;

the second arc plate is inserted into the second arc hole.

Further, the inner edge at one end of the movable ring is a cutting corner edge.

Compared with the prior art, the embodiment of the utility model has the following beneficial effects: compared with the prior art, the thin-wall pipe conveying device has the advantages that interference can be carried out in the process that the thin-wall pipe is conveyed to the annealing furnace main body through the feeding pipe by the external conveying mechanism, the plurality of die parts shrink centrally along the feeding pipe through the driving action of the air cylinder on the movable ring, the thin-wall pipe with the wide pipe diameter is kept to enter the annealing furnace main body centrally under the effect of the contraction correction of the thin-wall pipe with the wide pipe diameter when the plurality of die parts shrink, and all angles of the thin-wall pipe with the wide pipe diameter are balanced in annealing effect.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 shows a perspective view of the present utility model;

FIG. 2 shows a perspective view of a partially preferred embodiment of the present utility model;

FIG. 3 shows an enlarged view of FIG. 2A in accordance with the present utility model;

figure 4 shows a front view of the feed tube of the present utility model.

In the figure

1. An annealing furnace main body;

2. a feed pipe;

3. a mold section; 31. a trapezoidal bar; 32. a first arc plate;

33. a mold plate; 331. a second arc plate; 332. an upturned arc plate;

34. a strip hole; 35. a vertical plate; 36. a rotating wheel;

4. a cylinder;

5. a movable ring;

6. a mounting groove; 61. an arc groove; 62. a first arc hole; 63. and a second arcuate aperture.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.

Referring to fig. 1, fig. 1 shows a perspective view of the present utility model; referring to fig. 2, fig. 2 is a perspective view of a partially preferred embodiment of the present utility model; referring to FIG. 3, FIG. 3 shows an enlarged view of FIG. 2A in accordance with the present utility model; referring to fig. 4, fig. 4 shows a front view of the feed tube of the present utility model; as shown in fig. 1 to 4, a thin-walled tube annealing fixture for a wide tube diameter range, comprising: the annealing furnace comprises an annealing furnace main body 1, a feeding pipe 2 arranged at the inlet of the annealing furnace main body 1 and communicated with the annealing furnace main body, a plurality of mold parts 3 movably arranged on the feeding pipe 2 in a circumference manner, a cylinder 4 arranged at one end of the annealing furnace main body 1, and a movable ring 5 arranged on the cylinder 4 and sleeved on the outer wall of the feeding pipe 2, wherein the movable ring is provided with a plurality of mold parts

The cylinder 4 is driven, the movable ring 5 can extrude a plurality of mould portions 3, so that a plurality of mould portions 3 shrink and then are fastened and enter the thin-wall tube of the feeding tube 2, specifically, in the prior art, the thin-wall tube enters the process of the steel tube annealing furnace, correction effect is lacked, the thin-wall tube with different tube diameters cannot be guaranteed to be annealed in the middle, and the annealing balance effect is poor.

Optionally, a plurality of mounting grooves 6 are circumferentially arranged on the feeding pipe 2;

the die part 3 comprises a trapezoid bar 31 inserted in the mounting groove 6, a first arc plate 32 arranged in the mounting groove 6 and connected with the lower end of the trapezoid bar 31, and a die plate 33 arranged at the lower end of the first arc plate 32;

the movable ring 5 can extrude the trapezoid bar 31, so that the trapezoid bar 31 drives the die plate 33 to shrink and then fasten and enter the thin-wall tube of the feed pipe 2 through the first arc plate 32, specifically, the inclined plane low position of the trapezoid bar 31 is close to the movable ring 5, the inclined plane high position of the trapezoid bar 31 is far away from the movable ring 5, the trapezoid bar 31 acts from the inclined plane low position of the trapezoid bar 31 to the inclined plane high position of the trapezoid bar 31 when the movable ring 5 moves, the trapezoid bar 31 is stressed to move from the outside of the feed pipe 2 to the inside of the trapezoid bar 31 so as to drive the first arc plate 32 to move, the die plate 33 also correspondingly stressed to shrink and move, and good power source support is provided for the movement of the die plate 33.

Optionally, the mold plate 33 includes a second arc plate 331 connected to the lower end of the first arc plate 32, and an upturned arc plate 332 disposed on the second arc plate 331, wherein

The thin-walled tube is suitable for contacting in proper order upwarp the arc board 332 with the second arc board 331, specifically, first arc board 32, second arc board 331, upwarp arc board 332 and inlet pipe 2 concentric circles, guarantee the precision to the thin-walled tube entering inlet pipe 2 position, upwarp arc board 332 one end's perk direction outwards, its direction external diameter is greater than another direction external diameter, upwarp arc board 332 other end connects second arc board 331, the interlude process of thin-walled tube begins from upwarp arc board 332 one end's perk, the thin-walled tube of its in-process can obtain the guide effect and be laminated by second arc board 331 and correct, let second arc board 331 reduce the resistance and more stability to the correction work of thin-walled tube interlude position.

Optionally, the mold part 3 further includes a bar hole 34 provided on the second arc plate 331, two vertical plates 35 provided at upper ends of the bar hole 34, and a rotating wheel 36 hinged on the two vertical plates 35;

the rotating wheel 36 can penetrate the rear side of the strip hole 34 to abut against the thin-wall pipe, specifically, the two vertical plates 35 provide rotation position assistance for the rotating wheel 36, the outer wall of the rotating wheel 36 can be tangent to the inner wall of the second arc plate 331, and the rotating wheel 36 can be rubbed to rotate in the penetrating process of the thin-wall pipe, so that friction resistance of the thin-wall pipe in the correcting process is reduced.

Optionally, the mounting groove 6 includes an arc groove 61 disposed at the middle end of the feeding pipe 2, and a first arc hole 62 communicating with the upper end of the arc groove 61;

the trapezoid bar 31 is inserted into the first arc hole 62;

the first arc plate 32 is arranged in the arc groove 61, and the two end sides of the first arc plate 32 are propped against the two sides of the arc groove 61, specifically, the four surfaces of the trapezoid rod 31 are attached to the hole wall of the first arc hole 62, so that the trapezoid rod 31 can only lift under the limiting acting force and cannot swing left and right or back and forth in the process of the trapezoid rod 31, the depth of the arc groove 61 is greater than the thickness of the first arc plate 32, and the first arc plate 32 has a good limiting movable space and has a better use effect with the first arc hole 62.

Optionally, the mounting groove 6 further includes a second arc hole 63 disposed at the center of the lower end of the feeding pipe 2;

the second arc plate 331 is inserted in the second arc hole 63, specifically, the width of the second arc hole 63 is smaller than the width of the arc slot 61, so that the second arc plate 331 cannot fall down in the lifting process, the width of the second arc plate 331 is smaller than the width of the second arc hole 63, and the moving process of the second arc plate 331 is not blocked.

Optionally, the inner edge of one end of the movable ring 5 is a chamfer edge, specifically, the chamfer edge can gradually approach the trapezoid bar 31, so as to provide a buffer effect for the stress process of the movable ring 5, and protect the service lives of the movable ring 5 and the trapezoid bar 31.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A thin-walled tube annealing fixture die for a wide tube diameter range, comprising: an annealing furnace main body (1), a feeding pipe (2) arranged at the inlet of the annealing furnace main body (1) and communicated with the annealing furnace main body, a plurality of mold parts (3) which are movably arranged on the feeding pipe (2) in a circumference manner, a cylinder (4) arranged at one end of the annealing furnace main body (1), and a movable ring (5) arranged on the cylinder (4) and sleeved on the outer wall of the feeding pipe (2), wherein

The cylinder (4) is driven, and the movable ring (5) can squeeze a plurality of the die parts (3) so as to enable the die parts (3) to shrink and then fasten into a thin-wall pipe of the feeding pipe (2).

2. A thin-walled tube annealing fixture as defined in claim 1, wherein,

a plurality of mounting grooves (6) are circumferentially formed in the feeding pipe (2);

the die part (3) comprises a trapezoid rod (31) inserted in the mounting groove (6), a first arc plate (32) arranged in the mounting groove (6) and connected with the lower end of the trapezoid rod (31), and a die plate (33) arranged at the lower end of the first arc plate (32);

the movable ring (5) can extrude the trapezoid rod (31), so that the trapezoid rod (31) drives the die plate (33) to shrink through the first arc plate (32) and then is fastened into the thin-wall pipe of the feeding pipe (2).

3. A thin-walled tube annealing fixture as defined in claim 2, wherein,

the die plate (33) comprises a second arc plate (331) connected to the lower end of the first arc plate (32), and an upturned arc plate (332) arranged on the second arc plate, wherein

The thin-walled tube is adapted to contact the upturned arc plate (332) and the second arc plate (331) in sequence.

4. A thin-walled tube annealing fixture as defined in claim 3, wherein,

the die part (3) further comprises a strip hole (34) arranged on the second arc plate (331), two vertical plates (35) arranged at the upper ends of the strip hole (34), and a rotating wheel (36) hinged on the two vertical plates (35);

the rotating wheel (36) can penetrate through the rear side of the strip hole (34) to abut against the thin-wall pipe.

5. A thin-walled tube annealing fixture as defined in claim 4, wherein,

the mounting groove (6) comprises an arc groove (61) arranged at the middle end of the feeding pipe (2) and a first arc hole (62) communicated with the upper end of the arc groove (61);

the trapezoid rod (31) is inserted into the first arc hole (62);

the first arc plate (32) is arranged in the arc groove (61), and two end sides of the first arc plate (32) are abutted against two sides of the arc groove (61).

6. A thin-walled tube annealing fixture as defined in claim 5, wherein,

the mounting groove (6) further comprises a second arc-shaped hole (63) arranged in the center of the lower end of the feeding pipe (2);

the second arc plate (331) is inserted into the second arc hole (63).

7. A thin-walled tube annealing fixture as defined in claim 1, wherein,

the inner edge at one end of the movable ring (5) is a cutting angle edge.