CN217665453U

CN217665453U - Descaling device for reinforcing steel bars

Info

Publication number: CN217665453U
Application number: CN202220786192.3U
Authority: CN
Inventors: 王延召; 郭少锋; 李海峰; 王毅; 方照博
Original assignee: Luoyang Hongteng Electric Equipment Co ltd
Current assignee: Luoyang Hongteng Electric Equipment Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-10-28
Anticipated expiration: 2032-04-06

Abstract

The utility model discloses a steel bar descaling device, which comprises a frame, wherein two guide seats are arranged at intervals on the frame; the two guide seats are respectively provided with a guide hole for guiding the reinforcing steel bars to sequentially pass through the two guide holes to move linearly; a push-pull rod capable of moving linearly is arranged between the two guide seats, one end of the push-pull rod is connected with a sleeve which can be sleeved on the outer side of the steel bar, and the push-pull rod is used for driving the steel bar to be bent between the two guide seats when the push-pull rod moves linearly; and the other end of the push-pull rod is connected with a driving mechanism for driving the push-pull rod to do linear motion. The utility model discloses can order about the reinforcing bar two produce between the guide holder crooked to make its bend radius can change as required, it is effectual to scale, and convenient to use.

Description

Descaling device for reinforcing steel bars

Technical Field

The utility model belongs to the technical field of the reinforcing bar is made, concretely relates to reinforcing bar descaling device.

Background

As the hot rolled steel bar is high in temperature after being discharged from a furnace, the hot rolled steel bar and air generate oxidation reaction, a layer of oxide scale is formed on the surface of the steel bar, and the surface of the steel bar needs to be descaled and tensioned. The common descaling mode is to pass the steel bars around a plurality of descaling rollers and remove the scale on the surfaces of the steel bars through bending rolling. For example, chinese patent No. CN208895820U, a descaling device for reinforcing steel bars, includes a frame located between a steel bar unwinding rack and a steel bar straightening machine, and a first descaling roller and a second descaling roller are rotatably connected to the frame, and when the steel bars bypass the first descaling roller and the second descaling roller, the steel bars are bent, so as to roll and remove the scale on the surface of the steel bars, and the distance between the two descaling rollers is adjustable. However, the descaling device has the problems that the diameter of the descaling roll is fixed, so that the bending radius provided for the steel bar is also fixed, and in order to achieve a satisfactory descaling effect, repeated tests are needed, and the descaling rolls with different diameters are replaced to obtain the optimal bending radius, so that the descaling device is inconvenient to use; secondly, the allowable bending radius of the steel bars of different types or different materials is also different, so that the bending radius of the steel bars cannot be actually changed even if the distance between the two descaling rolls is adjusted, and the descaling effect is not obviously changed.

Disclosure of Invention

In order to overcome the defects in the background art, the utility model provides a steel bar descaling device, which aims to bend the steel bar under the driving of the external force of a force application mechanism and rub the steel bar with the inner wall of a guide hole of a guide support to remove oxide scale; the force application displacement of the force application mechanism can be adjusted so as to conveniently obtain the best bending radius of the reinforcing steel bar, thereby ensuring the descaling effect.

In order to achieve the above object, the utility model provides a following technical scheme:

a steel bar descaling device comprises a rack, wherein two guide seats are arranged on the rack at intervals; the two guide seats are provided with guide holes respectively and used for guiding the steel bars to sequentially pass through the two guide holes and move linearly;

a push-pull rod capable of performing reciprocating linear motion is arranged between the two guide seats, and one end of the push-pull rod is connected with a sleeve capable of being sleeved on the outer side of the steel bar and used for driving the steel bar to be bent between the two guide seats when the push-pull rod performs reciprocating linear motion;

the other end of the push-pull rod is connected with a driving mechanism for driving the push-pull rod to do reciprocating linear motion.

As a further optimization, the driving mechanism is a double-acting oil cylinder, the push-pull rod is a telescopic rod inserted in a cylinder sleeve of the double-acting oil cylinder, and the outer end of the telescopic rod is provided with the sleeve; the outer side of the cylinder sleeve is fixedly connected with the rack into a whole through a fixing frame.

As a further optimization, the sleeve and the two guide holes are provided with grinding bushings; the grinding bush is used for grinding the oxide skin on the surface of the steel bar.

As a further optimization, the guide seat comprises a base fixedly connected with the rack and a detachable top cover, and the top cover is detachably mounted on the upper part of the base through bolt connection; arc-shaped grooves are formed in the base and the top cover, and when the top cover is arranged on the upper portion of the base, the two arc-shaped grooves form the guide hole at the joint of the base and the top cover; the grinding lining is clamped in the guide hole and is replaceable when the top cover is detached from the upper part of the base.

As a further optimization, the base is provided with two through connecting holes which are respectively positioned at the left side and the right side of the arc-shaped groove; the top cover is provided with a through hole corresponding to the position of the connecting hole of the base, and the through hole is used for forming the bolt connection when a bolt penetrates through the connecting hole and the through hole and then is connected with a nut.

As a further optimization, the sleeve comprises a connecting part fixedly connected to one side of a sleeve part, and the sleeve part is used for being sleeved on the outer side of the steel bar; the tail end of the connecting part is provided with a screw hole; and one end of the push-pull rod is provided with a threaded shaft head which is in threaded connection with the screw hole, and the sleeve is detachably connected to one end of the push-pull rod.

Compared with the prior art, the beneficial effects of the utility model are that: the steel bars can be driven to bend between the two guide seats, so that the descaling effect is ensured; the steel bar descaling device has the advantages that the bending radius of the steel bar is adjustable, the maximum bending radius can be adjusted, the steel bar descaling device can adapt to steel bar descaling work of different materials or different types, the descaling effect is good, and the use is convenient.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of embodiment 1 of the present invention;

fig. 2 is a partial schematic structural view of a guide base according to embodiment 1 of the present invention;

fig. 3 is a partial structural schematic view of a sleeve according to embodiment 1 of the present invention.

In the figure: the steel bar grinding machine comprises a machine frame 1, a fixing frame 11, a guide seat 2, a guide hole 21, a base 22, a top cover 23, a push-pull rod 3, a sleeve 31, a sleeve 311, a connecting part 312, a threaded shaft head 32, a driving mechanism 4, a grinding lining 5 and a steel bar 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be described below clearly and completely in conjunction with the drawings of the present invention, and it is obvious that the described embodiments are only some of the preferred embodiments of the present invention, not all of the embodiments. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "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 and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1: please refer to fig. 1-3;

the utility model provides a following technical scheme: a descaling device for reinforcing steel bars comprises a frame 1, a guide seat 2, a push-pull rod 3, a driving mechanism 4 and a grinding sleeve 5; the frame 1 is provided with two guide seats 2 which are arranged at intervals; the two guide seats 2 are respectively provided with a guide hole 21 for guiding the reinforcing steel bars to sequentially pass through the two guide holes 21 to move linearly; the axes of the two guide holes 21 coincide.

A push-pull rod 3 capable of performing reciprocating linear motion is arranged between the two guide seats 2, one end of the push-pull rod 3 is connected with a sleeve 31 capable of being sleeved outside the steel bar, and the push-pull rod 3 is used for driving the steel bar to be bent between the two guide seats 2 when performing reciprocating linear motion; in order to make the wear-susceptible member sleeve 31 replaceable, the sleeve 31 includes a connecting portion 312 attached to one side of a sleeve portion 311, the sleeve portion 311 being adapted to be fitted over the outside of the reinforcing bars; the tail end of the connecting part 312 is provided with a screw hole; one end of the push-pull rod 3 is provided with a threaded spindle nose 32, and the threaded spindle nose 32 is screwed in the threaded hole and is used for detachably connecting the sleeve 31 to one end of the push-pull rod 3.

The other end of the push-pull rod 3 is connected with a driving mechanism 4 for driving the push-pull rod 3 to do reciprocating linear motion. The driving mechanism 4 is a double-acting oil cylinder, the push-pull rod 3 is a telescopic rod inserted in a cylinder sleeve of the double-acting oil cylinder, and the outer end of the telescopic rod is provided with the sleeve 31; the outer side of the cylinder sleeve is fixedly connected with the rack 1 into a whole through a fixing frame 11. Of course, the driving mechanism 4 may also be a double-acting cylinder or a crank-link mechanism capable of reciprocating, but the driving force of the double-acting cylinder is larger, which is a preferable scheme.

At this time, when the reinforcing steel bar is bent, the reinforcing steel bar inevitably rubs against the sleeve 31 and the two guide holes 21, and the scale on the surface of the reinforcing steel bar is naturally removed, and in order to improve the wear resistance of the wear-prone member, the grinding bush 5 is provided in each of the sleeve 31 and the two guide holes 21; and the grinding bush 5 may be used to grind the scale on the surface of the reinforcing bars. Wherein, grinding bush 5 adopts combined material including plastic grinding stone, and the wearability is high, and the effect of descaler is good.

As a further optimization, the grinding lining 5 is replaceable, the guide seat 2 comprises a base 22 fixedly connected with the frame 1 and a detachable top cover 23, and the top cover 23 is detachably mounted on the upper part of the base 22 through a bolt connection; arc-shaped grooves are formed in the base 22 and the top cover 23, and are used for forming the guide hole 21 at the joint of the base 22 and the top cover 23 when the top cover 23 is arranged on the upper part of the base 22; the grinding bush 5 is snap-fitted into the guide hole 21 for replacement of the grinding bush 5 when the top cover 23 is removed from the upper portion of the base 22.

The base 22 is provided with two through connecting holes, and the two connecting holes are respectively positioned at the left side and the right side of the arc-shaped groove; the top cover 23 is provided with a through hole corresponding to the position of the connecting hole of the base 22, and is used for forming the bolt connection when a bolt penetrates through the connecting hole and the through hole and then is connected with a nut.

When the device is used, the position of the sleeve 31 is arranged, so that the steel bar sequentially passes through the guide hole 21, the sleeve 31 and the other guide hole 21, then the double-acting oil cylinder serving as the driving mechanism 4 is started, the steel bar is bent between the two guide seats 2, oxide scales on the surface of the steel bar are removed, and the surface of the steel bar is further rubbed under the action of the grinding bush 5 in the guide hole 21, the sleeve 31 and the other guide hole 21, so that the effect of removing the oxide scales is further improved; in addition, the expansion amount of the double-acting oil cylinder can be adjusted according to the requirement, so that the maximum bending degree of the steel bar is adjustable, the descaling effect corresponding to different expansion amounts, namely the descaling effect under different bending radii, is further observed, and the optimal expansion amount can be finally obtained.

The embodiment has the advantages that compared with the prior art:

the steel bar can be driven to bend between the two guide seats 2, so that the steel bar can be bent in two directions, and then two sets of descaling devices of the embodiment can be arranged on the same production line, so that the directions of the bent steel bars of the two descaling devices are opposite, and the descaling effect is ensured; and the bending radius of the steel bar can be adjusted to the maximum bending radius in the adjustable change, so that the steel bar descaling device can adapt to the steel bar descaling work of different materials or different types.

It can be understood that the double-acting oil cylinder as the driving mechanism 4 can make the push-pull rod 3 keep a repeatedly telescopic motion state, so long as the sleeve 31 is not coaxial with the two guide holes 21, the steel bar can be repeatedly bent, the device has a dynamic descaling effect, and therefore the device also has a using method, the double-acting oil cylinder drives the push-pull rod 3 to repeatedly extend and retract, so that the steel bar can be repeatedly bent, and scale on the surface of the steel bar can be removed.

The part of the utility model which is not detailed is the prior art; for a person skilled in the art, various technical features of the embodiments described above may be combined arbitrarily, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, however, as long as there is no contradiction between the combinations of the technical features, the combinations should be considered as the scope of the present description. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A steel bar descaling device, which comprises a frame (1); the method is characterized in that: two guide seats (2) which are arranged at intervals are arranged on the rack (1); the two guide seats (2) are respectively provided with a guide hole (21) for guiding the reinforcing steel bars to sequentially pass through the two guide holes (21) to move linearly;

a push-pull rod (3) capable of stretching linearly is arranged between the two guide seats (2), one end of the push-pull rod (3) is connected with a sleeve (31) capable of being sleeved on the outer side of the steel bar, and the push-pull rod (3) is used for driving the steel bar to bend between the two guide seats (2) when stretching linearly;

the other end of the push-pull rod (3) is connected with a driving mechanism (4) which is used for driving the push-pull rod (3) to extend and retract along a straight line.

2. The rebar descaling apparatus of claim 1, wherein: the driving mechanism (4) is a double-acting oil cylinder, the push-pull rod (3) is a telescopic rod inserted in a cylinder sleeve of the double-acting oil cylinder, and the tail end of the telescopic rod is provided with the sleeve (31); the outer side of the cylinder sleeve is fixedly connected with the rack (1) into a whole through a fixing frame (11).

3. A rebar descaling apparatus as claimed in claim 2, wherein: grinding bushings (5) are arranged in the sleeve (31) and the two guide holes (21); the descaling device is used for wiping off oxide skin on the surface of the steel bar.

4. A rebar descaling device according to claim 3, wherein: the guide seat (2) comprises a base (22) fixedly connected with the rack (1) and a detachable top cover (23), and the top cover (23) is detachably mounted on the upper portion of the base (22) through bolt connection; arc-shaped grooves are formed in the base (22) and the top cover (23) respectively, and when the top cover (23) is installed on the upper portion of the base (22), the two arc-shaped grooves are folded to form the guide hole (21); the grinding lining (5) is embedded in the guide hole (21) and is used for replacing the grinding lining (5) when the top cover (23) is detached from the upper part of the base (22).

5. The rebar descaling apparatus of claim 4, wherein: the base (22) is provided with two through connecting holes which are respectively positioned at the left side and the right side of the arc-shaped groove; the top cover (23) is provided with a through hole corresponding to the position of the connecting hole of the base (22) and used for forming the bolt connection when a bolt penetrates through the connecting hole and the through hole and then is connected with a nut.

6. A rebar descaling device according to claim 5, wherein: the sleeve (31) comprises a connecting part (312) fixedly connected to one side of the sleeve part (311), and the sleeve part (311) is used for being sleeved on the outer side of the steel bar; the tail end of the connecting part (312) is provided with a screw hole; one end of the push-pull rod (3) is provided with a threaded shaft head (32), the threaded shaft head (32) is screwed in the threaded hole, and the sleeve (31) is detachably connected to one end of the push-pull rod (3).