CN218925689U - Feeding device of cold pilger mill - Google Patents

Abstract

The utility model provides a feeding device of a cold pilger mill, which comprises: a roller conveyor body, a plurality of roller parts which are rotatably arranged on the roller conveyor body and can be driven; the roller part comprises a hollow cylinder, a plurality of circles of penetrating holes which are arranged on the hollow cylinder in a straight line shape, a plurality of ejector rods which are penetrated in the circles of penetrating holes one by one, and a rotary cylinder part which is arranged in the hollow cylinder in a matched rotation manner; and a plurality of ejector rods are suitable for increasing abrasion after the pipe conveying adhesive force. Compared with the prior art, the hollow cylinder is replaced by the plurality of ejector rods to rub against the pipe, so that friction force of multiple angles in the pipe conveying process is increased, when the plurality of ejector rods are worn to be close to the penetrating holes on the outer wall surface of the hollow cylinder, the side pushing of the plurality of ejector rods can be performed through the rotation of the rotary cylinder part, the plurality of ejector rods penetrate out to the initial protection height again at the plurality of circles of penetrating holes, the roller part can continuously keep the anti-slip effect in the conveying process of the pipe for multiple times, and the conveying quality is ensured.

Description

Feeding device of cold pilger mill

Technical Field

The utility model relates to the technical field of cold pilger mills, in particular to a feeding device of a cold pilger mill.

Background

The cold pilger mill is a process device for cold rolling of pierced billets by utilizing annular holes, the feeding part of the cold pilger mill is generally borne by a special conveying mechanism or a matched roller conveyor, the roller conveyor conveys cold rolled billets to a clamping device, the cold rolling is realized by utilizing the clamping device to actively operate a die, and the following problems exist in the conveying process before cold rolling;

the roller part of the roller conveyor can be worn in the process of conveying the pipe fitting for a long time, and the worn roller can reduce friction adhesion force with the pipe fitting conveying process, so that slipping of the roller in the pipe fitting conveying process is easy to occur.

Disclosure of Invention

The utility model aims to provide a feeding device of a cold pilger mill, which aims to solve the problems.

In order to achieve the above object, an embodiment of the present utility model provides a feeding device of a cold pilger mill, including: a roller conveyor body, a plurality of roller parts which are rotatably arranged on the roller conveyor body and can be driven;

the roller part comprises a hollow cylinder, a plurality of circles of penetrating holes which are arranged on the hollow cylinder in a straight line shape, a plurality of ejector rods which are penetrated in the circles of penetrating holes one by one, and a rotary cylinder part which is arranged in the hollow cylinder in a matched rotation manner;

a plurality of ejector rods are suitable for increasing abrasion after pipe conveying adhesion force, wherein

And the rotary drum part is rotated, and the rotary drum part can laterally push a plurality of ejector rods so that the ejector rods can move outwards through a plurality of circles of penetrating holes.

Further, the drum part comprises a rotary column inserted into and laterally abutted against the inner side of the hollow drum, a plurality of semicircular grooves circumferentially arranged at the side end of the rotary column and a plurality of semicircular convex blocks circumferentially arranged on the semicircular grooves one by one, wherein the rotary column comprises a plurality of grooves formed in the side end of the rotary column

A plurality of semicircular convex blocks can laterally abut against the bottom ends of a plurality of ejector rods, wherein

The rotating column is rotated, the semicircular grooves can drive the semicircular convex blocks to rotate, and therefore the semicircular convex blocks laterally push the ejector rods to displace.

Further, the feeding device of the cold pilger mill further comprises a plurality of springs;

a plurality of springs are connected between the ejector rods and the hollow cylinder one by one, wherein

When the semicircular convex blocks laterally push the ejector rods to displace, the springs can stretch.

Further, a round hole is formed in the center of one end of the rotating column;

a cross rod is arranged in the center of the round hole;

the end face of the cross rod is higher than one end face of the rotary column, and can be abutted against the hollow cylinder.

Further, a first cross groove and a second cross groove are formed in the inner end of the hollow cylinder;

the first cross groove and the second cross groove are adjacent and communicated, wherein

The cross bar can be inserted into the first cross groove or the second cross groove.

Further, one end face of the ejector rod is arc-shaped.

Compared with the prior art, the embodiment of the utility model has the following beneficial effects:

compared with the prior art, the hollow cylinder is replaced by the plurality of ejector rods to rub against the pipe, so that friction force of multiple angles in the pipe conveying process is increased, when the plurality of ejector rods are worn to be close to the penetrating holes on the outer wall surface of the hollow cylinder, the side pushing of the plurality of ejector rods can be performed through the rotation of the rotary cylinder part, the plurality of ejector rods penetrate out to the initial protection height again at the plurality of circles of penetrating holes, the roller part can continuously keep the anti-slip effect in the conveying process of the pipe for multiple times, and the conveying quality is ensured.

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 partial perspective view of the present utility model;

FIG. 3 shows a partial side view of the present utility model;

FIG. 4 shows an enlarged view of FIG. 3 at A in accordance with the present utility model;

fig. 5 shows a partial side exploded view of the present utility model.

In the figure

1. A roller conveyor body;

2. a roller section; 21. a hollow cylinder; 22. penetrating the jack; 23. a push rod;

24. a drum section; 241. a rotating column; 242. a semicircular groove; 243. semicircular convex blocks;

3. a spring;

4. a round hole;

5. a cross bar;

6. a first cross groove;

7. a second cross groove.

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 shows a partial perspective view of the present utility model; referring to fig. 3, fig. 3 shows a partial side view of the present utility model; referring to fig. 4, fig. 4 shows an enlarged view of fig. 3 a in accordance with the present utility model; referring to fig. 5, fig. 5 shows a partial side exploded view of the present utility model; as shown in fig. 1 to 5, a feeding apparatus of a cold pilger mill includes: a roller conveyor body 1, a plurality of roller sections 2 which are rotatably provided on the roller conveyor body 1 and can be driven;

the roller part 2 comprises a hollow cylinder 21, a plurality of circles of penetrating holes 22 which are arranged on the hollow cylinder 21 in a straight shape, a plurality of ejector rods 23 which are penetrated in the circles of penetrating holes 22 one by one and a rotary cylinder part 24 which is arranged in the hollow cylinder 21 in a matched rotation way, wherein each circle of penetrating holes 22 are uniformly and equally arranged in a circumference line;

several of said push rods 23 are adapted to increase wear after pipe conveying adhesion, wherein

The rotary drum part 24 is rotated, the rotary drum part 24 can laterally push a plurality of ejector rods 23, so that the ejector rods 23 can move outwards through the penetrating holes 22 in a plurality of circles, and particularly, a roller in the prior art can be worn along with the long-time friction conveying work of a pipe fitting.

Optionally, the drum portion 24 includes a rotating post 241 inserted into and abutting against the inner side of the hollow drum 21, a plurality of semicircular grooves 242 circumferentially arranged at the side ends of the rotating post 241, and a plurality of semicircular protrusions 243 circumferentially arranged on the plurality of semicircular grooves 242, wherein

A plurality of the semicircular protruding blocks 243 can laterally abut against the bottom ends of the plurality of the push rods 23, wherein

Rotating the rotating column 241, the semicircular grooves 242 can drive the semicircular bumps 243 to rotate, so that the semicircular bumps 243 laterally push the ejector rods 23 to displace, specifically, the outer diameter of the rotating column 241 is equal to the inner diameter of the hollow cylinder 21, the rotating circle center of the rotating column 241 cannot deviate, accurate force-exerting positions are continuously guaranteed, the semicircular grooves 242 and the semicircular bumps 243 are coaxially arranged, the semicircular grooves 242 provide effective accommodating spaces for the semicircular bumps 243, the arched surfaces of the semicircular bumps 243 can laterally push the bottom ends of the ejector rods 23 step by step, and the movable processes of the ejector rods 23 are balanced.

Optionally, the feeding device of the cold pilger mill further comprises a plurality of springs 3;

a plurality of springs 3 are connected between the plurality of ejector rods 23 and the hollow cylinder 21 one by one, wherein

When the semicircular convex blocks 243 laterally push the plurality of ejector rods 23 to displace, the plurality of springs 3 can stretch, specifically, the initial positions of the ejector rods 23 in the penetrating holes 22 are based on the hanging positioning of the springs 3 and the lateral abutting positioning of the semicircular convex blocks 243, the springs 3 compress and store energy due to the position change of the ejector rods 23 in the penetrating holes 22, so that the ejector rods 23 can be reset after not being subjected to the lateral pushing acting force of the semicircular convex blocks 243, and the flexibility of the position adjustment work of the ejector rods 23 is ensured.

Optionally, a round hole 4 is arranged at the center of one end of the rotating column 241;

a cross rod 5 is arranged in the center of the round hole 4;

the cross rod 5 is higher than one end face of the rotary column 241, and one end face of the cross rod 5 can be abutted against the hollow cylinder 21, specifically, the round hole 4 provides a containing space for the cross rod 5, the cross rod 5 is convenient to be forced, the round hole 4 is driven to rotate by the cross rod 5 to enable the rotary column 241 to rotate, and the process is convenient and labor-saving.

Optionally, a first cross groove 6 and a second cross groove 7 are formed in the inner end of the hollow cylinder 21;

the first cross groove 6 and the second cross groove 7 are adjacent and communicated, wherein

The cross rod 5 can be inserted into the first cross groove 6 or the second cross groove 7, specifically, the cross rod 5 has flexibility, the thickness of the cross rod is larger than the depth of the first cross groove 6 and the depth of the second cross groove 7, and the angle adjustment of the rotating post 241, which is caused by the operation of pushing the cross rod 5 to clamp the first cross groove 6 or the second cross groove 7 after the rotating post 241 rotates for changing the angle, can be maintained, so that the working stability effect of the rotating post is improved.

Optionally, one end surface of the ejector rod 23 is arc-shaped, and specifically, the arrangement of the ejector rod can reduce the friction resistance between the ejector rod 23 and the semicircular convex block 243, and prolong the service life of the ejector rod 23 and the semicircular convex block 243 in the process of friction.

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 (6)

1. A cold pilger mill feeding device, comprising: a roller conveyor body (1) and a plurality of roller parts (2) which are rotatably arranged on the roller conveyor body (1) and can be driven;

the roller part (2) comprises a hollow cylinder (21), a plurality of circles of penetrating holes (22) which are arranged on the hollow cylinder (21) in a straight shape, a plurality of ejector rods (23) which are penetrated in the circles of penetrating holes (22) one by one, and a roller part (24) which is arranged in the hollow cylinder (21) in a matched rotation way;

a plurality of ejector rods (23) are suitable for increasing abrasion after pipe conveying adhesion force, wherein

The rotary drum part (24) is rotated, and the rotary drum part (24) can laterally push a plurality of ejector rods (23) so that the ejector rods (23) can move outwards through a plurality of circles of through holes (22).

2. A cold pilger mill feeding apparatus as set forth in claim 1, wherein,

the drum part (24) comprises a rotary column (241) which is inserted into and laterally abutted against the inner side of the hollow drum (21), a plurality of semicircular grooves (242) which are circumferentially arranged at the side end of the rotary column (241) and a plurality of semicircular convex blocks (243) which are circumferentially arranged on a plurality of the semicircular grooves (242), wherein

A plurality of semicircular convex blocks (243) can laterally prop against the bottom ends of a plurality of ejector rods (23), wherein

Rotating the rotary column (241), the semicircular grooves (242) can drive the semicircular protruding blocks (243) to rotate, so that the semicircular protruding blocks (243) laterally push the ejector rods (23) to displace.

3. A cold pilger mill feeding apparatus as set forth in claim 2, wherein,

the feeding device of the cold pilger mill further comprises a plurality of springs (3);

a plurality of springs (3) are connected between a plurality of ejector rods (23) and the hollow cylinder (21) one by one, wherein

When the semicircular convex blocks (243) laterally push the ejector rods (23) to displace, the springs (3) can stretch.

4. A cold pilger mill feeding apparatus as set forth in claim 3, wherein,

a round hole (4) is formed in the center of one end of the rotary column (241);

a cross rod (5) is arranged in the center of the round hole (4);

one end face of the cross rod (5) is higher than one end face of the rotary column (241), and one end face of the cross rod (5) can be abutted against the hollow cylinder (21).

5. A cold pilger mill feeding apparatus as set forth in claim 4, wherein,

a first cross groove (6) and a second cross groove (7) are formed in the inner end of the hollow cylinder (21);

the first cross groove (6) and the second cross groove (7) are adjacent and communicated, wherein

The cross bar (5) can be inserted into the first cross groove (6) or the second cross groove (7).

6. A cold pilger mill feeding apparatus as set forth in claim 1, wherein,

one end face of the ejector rod (23) is arc-shaped.

Images