CN214488396U

CN214488396U - Metal long tube bidirectional inward bending device

Info

Publication number: CN214488396U
Application number: CN202023215519.1U
Authority: CN
Inventors: 陆孝平; 张卫东
Original assignee: Suzhou Deli Precise Machinery Co ltd
Current assignee: Suzhou Deli Precise Machinery Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-10-26
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a two-way interior bending device of metal long tube, including the cavity base, the upper surface both sides of cavity base all are equipped with interior forming wheel, interior round axis is installed to the mid-mounting of interior forming wheel, the rear side of interior forming wheel is equipped with outer forming wheel, the mid-mounting of outer forming wheel has foreign steamer axis, foreign steamer axis and interior centraxonial upper end are connected with the connecting rod, the rigid coupling hoist engine in the middle of the inside the place ahead of cavity base, double-deck wind-up roll is installed to the power end of hoist engine, the rigid coupling has the stay cord between foreign steamer axis and the wind-up roll. The utility model discloses forming wheel has all been set up in both sides to buckle simultaneously for the both sides of metal long tube, the efficiency of buckling is higher, and its power of buckling passes through the hoist engine and provides, and strength is sufficient, the utility model discloses set up the torsional spring, the torsional spring can drive forming wheel after buckling and resume original state, with the operation of buckling of one side under the convenience.

Description

Metal long tube bidirectional inward bending device

Technical Field

The utility model relates to a tubular metal resonator technical field that bends specifically is a device of bending in metal long tube is two-way.

Background

In a conventional logistics cart, a metal tube bent at two sides to form a U-shape is generally used as a frame at a side portion of the cart, and then a thin warp and weft metal rod is welded at the inner side of the frame of the U-shape metal tube to form a protective edge. The bending device in the prior art cannot bend two sides simultaneously, and the bending efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a metal long tube two-way internal bending device to solve the device of buckling among the prior art and can not buckle by both sides simultaneously, buckle the problem of inefficiency.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a two inside bending device of metal long tube, includes the cavity base, the upper surface both sides of cavity base all are equipped with interior forming wheel, interior round axis is installed at the mid-mounting of interior forming wheel, the rear side of interior forming wheel is equipped with outer forming wheel, the mid-mounting of outer forming wheel has outer wheel axis, outer wheel axis is connected with the connecting rod with interior centraxonial upper end of wheel, and outer wheel axis and the centraxonial lower extreme of interior wheel all insert the inside of cavity base, rigid coupling hoist engine in the middle of the inside the place ahead of cavity base, double-deck wind-up roll is installed to the power end of hoist engine, the rigid coupling has the stay cord between outer wheel axis and the wind-up roll, and two stay cords fixed position opposition on the hoist engine.

Preferably, the upper surface of the cavity base is provided with a guide through groove for the middle shaft of the outer wheel to move.

Preferably, the outer part of the circumference of the position of the outer wheel middle shaft close to the lower end is fixedly connected with a locking ring, and the locking ring is fixedly connected with one end of the pull rope.

Preferably, the guide wheels are arranged on two sides of the inner portion of the cavity base, the guide shaft is arranged in the middle of each guide wheel and is rotatably connected with the cavity base through a bearing, and the pull rope passes through the guide wheels.

Preferably, the inner wheel center shaft is rotatably connected with the cavity base through a bearing, a sleeve is fixedly connected to the outer portion of the circumference of the lower end of the inner wheel center shaft, the sleeve is welded with the cavity base, and a torsion spring is arranged between the sleeve and the inner wheel center shaft.

Preferably, the upper surface of the cavity base is provided with a limiting strip at the tangent position of the outer side of the inner forming wheel.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the forming wheels are arranged on both sides of the metal long pipe, so that both sides of the metal long pipe can be bent simultaneously, the bending efficiency is higher, and the bending power is provided by the winch, so that the force is sufficient;

2. the utility model discloses set up the torsional spring, the torsional spring can drive the shaping wheel and resume original state after buckling to the operation of buckling of one side under convenient.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

fig. 2 is a schematic structural view of the present invention without installing the cavity base.

In the figure: 1. a cavity base; 2. a metal long tube; 3. an outer forming wheel; 31. an outer wheel middle shaft; 32. a locking ring; 4. an inner forming wheel; 41. the middle shaft of the inner wheel; 42. a torsion spring; 43. a sleeve; 5. a connecting rod; 6. pulling a rope; 7. a guide wheel; 71. a guide shaft; 8. a winch; 9. a wind-up roll; 10. a limiting strip; 11. a guide through groove.

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. 1-2, in an embodiment of the present invention, a device for bending a metal long tube in two directions includes a cavity base 1, inner forming wheels 4 are disposed on two sides of an upper surface of the cavity base 1, an inner wheel center shaft 41 is installed in a middle portion of the inner forming wheel 4, the inner wheel center shaft 41 is rotatably connected to the cavity base 1 through a bearing, and further the inner wheel center shaft 41 and the inner forming wheel 4 can rotate on the cavity base 1.

Referring to fig. 1-2, an outer forming wheel 3 is arranged at the rear side of an inner forming wheel 4, an outer wheel center shaft 31 is arranged in the middle of the outer forming wheel 3, a connecting rod 5 is connected with the upper ends of the outer wheel center shaft 31 and an inner wheel center shaft 41, the lower ends of the outer wheel center shaft 31 and the inner wheel center shaft 41 are inserted into the cavity base 1, the outer forming wheel 3 can circularly move according to the center of the inner forming wheel 4, and the outer forming wheel 3 is rotatably connected with the outer wheel center shaft 31 through a bearing, so that the outer forming wheel 3 rotates.

As shown in fig. 2, the hoist engine 8 is fixedly connected in the middle of the inside front of the cavity base 1, the double-layer winding roller 9 is installed at the power end of the hoist engine 8, the pull rope 6 is fixedly connected between the outer wheel center shaft 31 and the winding roller 9, the two pull ropes 6 are opposite in fixed position on the hoist engine 8, when the hoist engine 8 winds, the winding roller 9 can be rotated, so that the two stretching rollers 6 can be wound and unwound simultaneously, and the outer forming wheel 3 can be pulled during winding, so that the outer forming wheel 3 is in a forming state.

As shown in fig. 1, a guiding through groove 11 for allowing the outer wheel middle shaft 31 to move is formed in the upper surface of the cavity base 1, and when the outer forming wheel 3 moves, the middle shaft 31 slides inside the guiding through groove 11.

As shown in fig. 2, a locking ring 32 is fixedly connected to the outer portion of the circumference of the outer wheel middle shaft 31 near the lower end, the locking ring 32 is fixedly connected to one end of the pull rope 6, and the locking ring 32 plays a role in connecting the pull rope 6 and the outer wheel middle shaft 31, so as to ensure the connection strength of the pull rope 6 and the outer wheel middle shaft 31.

As shown in fig. 2, guide wheels 7 are arranged on two sides of the inside of the cavity base 1, a guide shaft 71 is arranged in the middle of each guide wheel 7, each guide shaft 71 is rotatably connected with the cavity base 1 through a bearing, the pull rope 6 passes through each guide wheel 7, and the guide wheels 7 can guide the pull rope 6.

As shown in fig. 2, a sleeve 43 is fixedly connected to the outer portion of the lower end circumference of the inner wheel center shaft 41, the sleeve 43 is welded to the cavity base 1, a torsion spring 42 is arranged between the sleeve 43 and the inner wheel center shaft 41, when the winding machine 8 winds up, the pull rope 6 winds up, the torsion spring 42 is twisted, after the winding machine unwinds, the pull rope 6 loses tension, and the torsion spring 42 returns to the original state, so that the inner molding wheel 4 and the outer molding wheel 3 can return to the original position.

As shown in FIG. 1, a position limiting strip 10 is arranged at a tangent position of the outer side of the inner forming wheel 4 on the upper surface of the cavity base 1, and the position of the bent metal long pipe 2 can be prevented from being bent inwards by the position limiting strip 10.

The utility model discloses a theory of operation and use flow: when the device is used, a long metal pipe 2 is arranged between an outer forming wheel and an inner forming wheel 4 according to the state shown in figure 1, then the long metal pipe is wound by driving a winch 8, a winding roller 9 can wind a pull rope 6 when the winch 8 winds the long metal pipe, the outer forming wheel 3 can do circular motion according to the center of the inner forming wheel 4, the outer forming wheel 3 can rotate to realize bending of the long metal pipe 2, the winch 8 starts to unwind after the bending is finished, and at the moment, a torsion spring 42 can drive the inner forming wheel 4 and the outer forming wheel 3 to return to facilitate the next bending operation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a two inside bending device of metal long tube which characterized in that: comprises a cavity base (1), inner forming wheels (4) are arranged on both sides of the upper surface of the cavity base (1), the middle part of the inner forming wheel (4) is provided with an inner wheel middle shaft (41), the rear side of the inner forming wheel (4) is provided with an outer forming wheel (3), the middle part of the outer forming wheel (3) is provided with an outer wheel middle shaft (31), the upper ends of the outer wheel middle shaft (31) and the inner wheel middle shaft (41) are connected with a connecting rod (5), the lower ends of the outer wheel middle shaft (31) and the inner wheel middle shaft (41) are inserted into the cavity base (1), a winch (8) is fixedly connected in the middle of the front part of the inner part of the cavity base (1), a double-layer wind-up roll (9) is arranged at the power end of the winch (8), a pull rope (6) is fixedly connected between the outer wheel middle shaft (31) and the winding roller (9), and the two pull ropes (6) are opposite in fixed position on the winch (8).

2. The device for bending the long metal pipe inwards in the double directions according to claim 1, wherein: the upper surface of the cavity base (1) is provided with a guide through groove (11) for the movement of the outer wheel middle shaft (31).

3. The device for bending the long metal pipe inwards in the double directions according to claim 1, wherein: and a locking ring (32) is fixedly connected to the outer part of the circumference of the position, close to the lower end, of the outer wheel middle shaft (31), and the locking ring (32) is fixedly connected with one end of the pull rope (6).

4. The device for bending the long metal pipe inwards in the double directions according to claim 1, wherein: the cavity base is characterized in that guide wheels (7) are arranged on two sides of the interior of the cavity base (1), guide shafts (71) are arranged in the middle of the guide wheels (7), the guide shafts (71) are rotatably connected with the cavity base (1) through bearings, and the pull ropes (6) pass through the guide wheels (7).

5. The device for bending the long metal pipe inwards in the double directions according to claim 1, wherein: the inner wheel center shaft (41) is rotatably connected with the cavity base (1) through a bearing, a sleeve (43) is fixedly connected to the outer portion of the circumference of the lower end of the inner wheel center shaft (41), the sleeve (43) is welded with the cavity base (1), and a torsion spring (42) is arranged between the sleeve (43) and the inner wheel center shaft (41).

6. The device for bending the long metal pipe inwards in the double directions according to claim 1, wherein: and the upper surface of the cavity base (1) is provided with a limiting strip (10) at the tangent position of the outer side of the inner forming wheel (4).