Steel bar heat treatment quenching device

Abstract

A reinforcing steel bar heat treatment quenching device comprises a quenching tank and further comprises a reinforcing steel bar containing mechanism, the reinforcing steel bar containing mechanism is located in quenching liquid of the quenching tank during quenching, one part of the quenching tank is located on the ground, the other part of the quenching tank is located under the ground, and the reinforcing steel bar containing mechanism comprises a first stand column, a second stand column, a third stand column and a fourth stand column; the upper ends of the first stand column and the second stand column are connected through a first upper horizontal rod, and the lower ends of the first stand column and the second stand column are connected through a first lower horizontal rod. The upper ends of the second stand column and the third stand column are connected through a second upper horizontal rod, and the lower ends of the second stand column and the third stand column are connected through a second lower horizontal rod. The fourth stand column is connected with the upper end of the first stand column through a fourth upper horizontal rod, and the lower end of the fourth stand column is connected with the upper end of the first stand column through a fourth lower horizontal rod. According to the utility model, the consistency between the processed reinforcing steel bars is good.

Description

Technical Field

[0001] The utility model relates to steel bar production, in particular to a steel bar heat treatment quenching device. Background Art

[0002] With the rapid development of science and technology, on the one hand, the requirements for the performance of steel bars are getting higher and higher. Various engineering projects with complex functions and diverse shapes must use high-performance and high-strength steel bars; on the other hand, the requirements for the consistency of steel bars are also getting higher and higher. At present, the main technical approaches to develop high-performance steel bars are microalloying technology and residual heat treatment technology. The residual heat treatment process is a controlled cooling process. The hot-rolled steel piece is quenched to form a quenched martensite with a certain thickness on the surface of the steel bar, while the core is still austenite. Then the residual heat of the core diffuses to the surface, causing the martensite on the surface to self-temper, and at the same time, the austenite in the core transforms to ferrite or pearlite.

[0003] The existing residual heat treatment is to put the steel bars to be treated into a quenching tank for quenching. After the steel bars to be treated are put in, the steel bars to be treated are stacked and overlapped to perform the residual heat treatment.

[0004] The above-mentioned residual heat treatment method causes the steel bars to be treated to be piled up and overlapped during the residual heat treatment, resulting in different heating of each steel bar, which leads to different performance of the steel bars after the residual heat treatment and lack of consistency. Utility Model Content

[0005] In view of the above-mentioned defects, the utility model provides a steel bar heat treatment quenching device, which solves the consistency problem caused by different properties of steel bars after residual heat treatment and improves the stability of steel bar performance.

[0006] A steel bar heat treatment quenching device, comprising a quenching tank, the steel bar heat treatment quenching device also includes a steel bar placement mechanism, the steel bar placement mechanism is located in the quenching liquid of the quenching tank during quenching, a part of the quenching tank is located on the ground, and the other part is located under the ground, the steel bar placement mechanism includes a first column, a second column, a third column and a fourth column, the upper ends of the first column and the second column are connected through a first upper horizontal rod, and the lower ends are connected through a first lower horizontal rod, the upper ends of the second column and the third column are connected through a second upper horizontal rod, and the lower ends are connected through a second lower horizontal rod, and the third column and the fourth column are connected through a first upper horizontal rod. The upper end is connected by a third upper horizontal rod, and the lower end is connected by a third lower horizontal rod. The upper ends of the fourth column and the first column are connected by a fourth upper horizontal rod, and the lower ends are connected by a fourth lower horizontal rod. At least one row of first middle horizontal rods is connected between the first column and the second column, and at least one row of second middle horizontal rods is connected between the third column and the fourth column. Several grooves for placing one end of steel bars are equidistantly arranged on the first lower horizontal rod and the first middle horizontal rod, and several corresponding grooves for placing the other end of steel bars are equidistantly arranged on the third lower horizontal rod and the second middle horizontal rod.

[0007] In one or more optional embodiments of the present invention, the groove and the corresponding groove are V-shaped grooves.

[0008] In one or more optional embodiments of the present invention, the steel bar heat treatment quenching device also includes a moving mechanism, which is located above the quenching tank. The moving mechanism includes a horizontal moving mechanism, a connecting mechanism and a lifting mechanism. The horizontal moving mechanism and the lifting mechanism are respectively connected to the connecting mechanism, and the lifting mechanism is connected to the steel bar placement mechanism.

[0009] In one or more optional embodiments of the present invention, the horizontal moving mechanism is a multi-stage cylinder that can move in a horizontal direction, the lifting mechanism is a lifting cylinder, and the connecting mechanism is a connecting frame.

[0010] In one or more optional embodiments of the present invention, the moving mechanism further includes a pulley, a track and a platform, the pulley is located in the track, the track is installed on the platform, and when the connecting mechanism moves left and right, the pulley moves in the track.

[0011] In one or more optional embodiments of the present invention, a horizontal moving mechanism fixing seat is further connected to the platform, and one end of the horizontal moving mechanism away from the lifting mechanism is connected to the horizontal moving mechanism fixing seat.

[0012] In one or more optional embodiments of the present invention, a shock absorbing block is provided between the platform and the track to reduce the shock absorbing block of the track.

[0013] Beneficial effects of the invention: The utility model sets up a number of independent grooves and corresponding grooves corresponding to the independent grooves, so that the steel bars are independent of each other during residual heat treatment and their respective heat treatment conditions are the same, thereby achieving good consistency between the treated steel bars; and manpower is saved by moving the grabbing mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the reinforcement placement mechanism of the utility model;

[0016] Figure 3 This is a schematic diagram of steel bar placement for this application;

[0017] In the figure: 1, quenching tank, 2, steel bar placement mechanism, 21, first column, 22, second column, 23, third column, 24, fourth column, 25, first upper horizontal rod, 26, first lower horizontal rod, 27, third upper horizontal rod, 28, third lower horizontal rod, 29, first middle horizontal rod, 20, second middle horizontal rod, 201, corresponding groove, 3, ground, 4, groove, 5, moving mechanism, 51, connecting mechanism, 52, lifting mechanism, 521, first travel switch, 53, horizontal moving mechanism, 531, second travel switch, 6, pulley, 7, track, 8, platform, 9, horizontal moving mechanism fixed seat, 10, track fixed fulcrum, 11, shock absorbing block, 12, clamping claw. DETAILED DESCRIPTION

[0018] The utility model will be further described below.

[0019] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inside", "outside", "front", "back", "top", "bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use, and are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "open", "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] Please refer to Figure 1 and Figure 2 , Figure 1 This is a schematic diagram of the overall structure of the utility model. Figure 2 This is a schematic diagram of the steel bar placement mechanism of the utility model. Figure 3 Schematic diagram of reinforcement placement.

[0022] A steel bar heat treatment quenching device, comprising a quenching tank 1 and a steel bar placement mechanism 2, wherein the steel bar placement mechanism 2 is located in the quenching liquid of the quenching tank 1 during quenching, wherein a portion of the quenching tank 1 is located on the ground 3, and another portion is located below the ground 3, wherein the steel bar placement mechanism 2 comprises a first column 21, a second column 22, a third column 23 and a fourth column 24, wherein the upper ends of the first column 21 and the second column 22 are connected via a first upper horizontal rod 25, and the lower ends are connected via a first lower horizontal rod 26, wherein the upper ends of the second column 22 and the third column 23 are connected via a second upper horizontal rod, and the lower ends are connected via a second lower horizontal rod, and the upper ends of the third column 23 and the fourth column 24 are connected via a third upper horizontal rod. The fourth column 24 is connected to the upper end of the first column 21 through the fourth upper horizontal rod, and the lower end is connected through the fourth lower horizontal rod. At least one row of first middle horizontal rods 29 are connected between the first column 21 and the second column 22, and at least one row of second middle horizontal rods 20 are connected between the third column 23 and the fourth column 24. The first lower horizontal rod 26 and the first middle horizontal rod 29 are each equidistantly provided with a plurality of grooves 4 for placing one end of the steel bars, and the third lower horizontal rod 28 and the second middle horizontal rod 20 are each equidistantly provided with a plurality of corresponding grooves 201 for placing the other end of the steel bars.

[0023] Through the arrangement of the first lower horizontal rod 26, the first middle horizontal rod 29, the third lower horizontal rod 28, the second middle horizontal rod 20, the groove 4 and the corresponding groove 201, the steel bars are placed separately one by one in the steel bar placement mechanism 2, so that the heat treatment conditions during the residual heat treatment in the quenching tank 1 are the same, so that the difference between the treated steel bars is small and the consistency is high.

[0024] Those skilled in the art should be aware that, since steel bars have a certain weight, the various components of the steel bar placement mechanism 2 need to be selected to be components that can bear a larger weight. Those skilled in the art can choose according to their needs, and no special limitation is made here.

[0025] In one or more specific embodiments of the present invention, the groove 4 and the corresponding groove 201 are V-shaped grooves, which facilitate stable placement of the steel bars.

[0026] In one or more specific embodiments of the present utility model, in order to facilitate the movement of the steel bar placement mechanism and save manpower, the steel bar heat treatment quenching device also includes a moving mechanism 5, which is located above the quenching tank 1. The moving mechanism 5 includes a horizontal moving mechanism 53, a connecting mechanism 51 and a lifting mechanism 52. The horizontal moving mechanism 53 and the lifting mechanism 52 are respectively connected to the connecting mechanism 51, and the lifting mechanism 52 is connected to the steel bar placement mechanism 2.

[0027] When residual heat treatment is required, the lifting mechanism 52 descends and is connected to the steel bar placing mechanism 2. The lifting mechanism 52 then lifts the steel bar placing mechanism 2 upward. The horizontal moving mechanism 53 then moves the steel bar placing mechanism 2 horizontally to just above the quenching tank 1. The lifting mechanism 52 then descends and places the steel bar placing mechanism 2 in the quenching tank 1 for quenching. After the residual heat treatment, reverse treatment is performed.

[0028] In one or more specific embodiments of the present invention, the horizontal moving mechanism 53 is a multi-stage cylinder that can be lifted and retracted in the horizontal direction, the lifting mechanism 52 is a lifting cylinder, and the connecting mechanism 51 is a connecting frame. When the first stroke switch 521 is turned on, the lifting cylinder presses and retracts the lifting mechanism to lift the steel bar placement mechanism 2 upward, and when the second stroke switch 531 is turned on, the multi-stage cylinder retracts backward, and the steel bar placement mechanism 2 moves horizontally. Therefore, the present invention can realize one-button operation, which is convenient and reliable.

[0029] In one or more specific embodiments of the present invention, a fifth upper horizontal bar 202 is connected between the first upper horizontal bar 25 and the third upper horizontal bar 27, the second upper horizontal bar and the fourth upper horizontal bar are symmetrically arranged with the fifth upper horizontal bar 202 as an axis, a gripping position is arranged on the fifth upper horizontal bar 202, and the lifting mechanism 52 is clamped at the gripping position by the clamping claw 12 arranged at the end. After such arrangement, when the steel bar placement mechanism moves, better stability can be obtained.

[0030] In one or more specific embodiments of the present invention, the moving mechanism 5 further includes a pulley 6, a track 7 and a platform 8, the pulley 6 is located in the track 7, the track 7 is mounted on the platform 8, and when the connecting mechanism 51 moves left and right, the pulley 6 moves in the track 7.

[0031] In one or more specific embodiments of the present invention, a horizontal moving mechanism fixing seat 9 is further connected to the platform 8 , and one end of the horizontal moving mechanism 53 away from the lifting mechanism 52 is connected to the horizontal moving mechanism fixing seat 9 .

[0032] In one or more specific embodiments of the present invention, a track fixing fulcrum 10 is further provided on the platform 8 .

[0033] In one or more specific embodiments of the present invention, a shock absorbing block 11 is provided between the platform 8 and the track 7 to reduce the shock absorbing block 11 of the track 7. The shock absorbing block 11 may be a rubber block.

[0034] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A steel bar heat treatment quenching device, comprising a quenching tank (1), characterized in that: The steel bar heat treatment quenching device also includes a steel bar placement mechanism (2). The steel bar placement mechanism (2) is located in the quenching liquid of the quenching tank (1) during quenching. A portion of the quenching tank (1) is located above the ground (3), and another portion is located below the ground (3). The steel bar placement mechanism (2) includes a first column (21), a second column (22), a third column (23), and a fourth column (24). The upper ends of the first column (21) and the second column (22) are connected via a first upper horizontal rod (25), and the lower ends are connected via a first lower horizontal rod (26). The upper ends of the second column (22) and the third column (23) are connected via a second upper horizontal rod, and the lower ends are connected via a second lower horizontal rod. The upper ends of the third column (23) and the fourth column (24) are connected via a third upper horizontal rod. The fourth column (24) is connected to the first column (21) through a fourth upper horizontal bar, and the lower end is connected through a fourth lower horizontal bar. At least one row of first middle horizontal bars (29) is connected between the first column (21) and the second column (22). At least one row of second middle horizontal bars (20) is connected between the third column (23) and the fourth column (24). The first lower horizontal bar (26) and the first middle horizontal bar (29) are each equidistantly provided with a plurality of grooves (4) for placing one end of a steel bar. The third lower horizontal bar (28) and the second middle horizontal bar (20) are each equidistantly provided with a plurality of corresponding grooves (201) for placing the other end of a steel bar.

2. The steel bar heat treatment quenching device according to claim 1, characterized in that: The groove (4) and the corresponding groove (201) are V-shaped grooves.

3. The steel bar heat treatment quenching device according to claim 1, characterized in that: The steel bar heat treatment quenching device further comprises a moving mechanism (5), the moving mechanism (5) being located above the quenching tank (1), the moving mechanism (5) comprising a horizontal moving mechanism (53), a connecting mechanism (51) and a lifting mechanism (52), the horizontal moving mechanism (53) and the lifting mechanism (52) being respectively connected to the connecting mechanism (51), and the lifting mechanism (52) being connected to the steel bar placement mechanism (2).

4. The steel bar heat treatment quenching device according to claim 3, characterized in that: The horizontal moving mechanism (53) is a multi-stage cylinder that can be moved in a horizontal direction, the lifting mechanism (52) is a lifting cylinder, and the connecting mechanism (51) is a connecting frame.

5. The steel bar heat treatment and quenching device according to claim 3, characterized in that: The moving mechanism (5) further comprises a pulley (6), a track (7) and a platform (8); the pulley (6) is located in the track (7), the track (7) is mounted on the platform (8), and when the connecting mechanism (51) moves left and right, the pulley (6) moves in the track (7).

6. The steel bar heat treatment and quenching device according to claim 5, characterized in that: The platform (8) is also connected to a horizontal moving mechanism fixing seat (9), and one end of the horizontal moving mechanism (53) away from the lifting mechanism (52) is connected to the horizontal moving mechanism fixing seat (9).

7. The steel bar heat treatment and quenching device according to claim 6, characterized in that: A shock absorbing block (11) is arranged between the platform (8) and the track (7) to reduce the shock absorbing block (11) of the track (7).

8. The steel bar heat treatment and quenching device according to claim 3, characterized in that: A fifth upper horizontal rod (202) is connected between the first upper horizontal rod (25) and the third upper horizontal rod (27); the second upper horizontal rod and the fourth upper horizontal rod are symmetrically arranged with the fifth upper horizontal rod (202) as an axis; a gripping position is arranged on the fifth upper horizontal rod (202); and the lifting mechanism (52) is clamped at the gripping position by a clamping claw (12) arranged at the end.

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