Method of pickling hot continuous rolled steel strip of spring steel

Abstract

The present application relates to a kind of spring steel hot continuous rolling strip pickling method.The pickling equipment in the present application includes pickling tank, basket and support, and its structural features are as follows: the support is arranged in pickling tank, the basket is arranged on the support by swing mechanism;The swing mechanism includes swing shaft, swing shaft limiting seat, swing shaft positioning hole, swing gear, swing rack, swing shaft positioning sleeve and swing shaft positioning block, the swing shaft limiting seat is arranged on the support, the swing shaft is arranged on swing shaft limiting seat, the basket is arranged on swing shaft, the end of swing shaft is provided with swing shaft positioning hole, the swing gear is rotatably arranged on the outer wall of pickling tank, the swing rack is slidably arranged on the outer wall of pickling tank, the swing gear is engaged with swing rack, the swing shaft positioning sleeve is fixed on swing gear, the swing shaft positioning block is located in swing shaft positioning sleeve, and swing shaft positioning block cooperates with swing shaft positioning hole.

Description

TECHNICAL FIELD

[0001] The present application relates to a spring steel hot continuous rolling steel strip pickling method. BACKGROUND

[0002] During the pickling of the steel strip, the hot-rolled steel strip is usually placed in a cage and the cage is placed in a pickling tank for pickling. However, the steel strips are easily stacked together, which leads to insufficient contact of many steel strips with the pickling solution, resulting in a long pickling period. When the pickling solution is added, the pickling solution is easily splashed, which can cause damage to the surrounding environment.

[0003] Therefore, in the patent document with application number 202123089413.6, a pickling device for a hot-rolled steel strip production line is disclosed. The pickling device in the prior art places the crossbar carrying the cage in the limiting groove 9 on the upper surface of the two moving blocks 4 during pickling, but cannot fix the carrying cage, which can cause the carrying cage to fall off when moving forward and backward. SUMMARY

[0004] The present application aims to overcome the above-mentioned deficiencies in the prior art and provide a spring steel hot continuous rolling steel strip pickling method with a reasonable structure design.

[0005] The technical solution adopted by the present application to solve the above problems is: the spring steel hot continuous rolling steel strip pickling method, which is realized by a pickling device. The pickling device comprises a pickling tank, a hanging basket and a support. The support is arranged in the pickling tank, and the hanging basket is arranged on the support through a swing mechanism. The swing mechanism comprises a swing shaft, a swing shaft limiting seat, a swing shaft positioning hole, a swing gear, a swing rack, a swing shaft positioning sleeve and a swing shaft positioning block. The swing shaft limiting seat is arranged on the support, the swing shaft is arranged on the swing shaft limiting seat, the hanging basket is arranged on the swing shaft, the end of the swing shaft is provided with a swing shaft positioning hole, the swing gear is rotatably arranged on the outer wall of the pickling tank, the swing rack is slidably arranged on the outer wall of the pickling tank, the swing gear is engaged with the swing rack, the swing shaft positioning sleeve is fixed on the swing gear, and the swing shaft positioning block is located in the swing shaft positioning sleeve and cooperates with the swing shaft positioning hole.

[0006] The pickling method is as follows: the workpiece to be pickled is placed in the hanging basket, the swing shaft is erected on the two swing shaft limiting seats, the swing shaft positioning sleeve is connected with the swing shaft positioning hole by moving the swing shaft positioning block in the swing shaft positioning sleeve to realize the connection of the swing gear and the swing shaft, the swing rack is driven to swing by moving the swing gear, and then the hanging basket is driven to swing along the swing shaft by the swing shaft to realize the cleaning of the workpiece in the hanging basket. A cover plate is arranged above the pickling tank during the cleaning of the workpiece.

[0007] Further, the swing shaft positioning hole, swing shaft positioning sleeve and swing shaft positioning block are arranged in a polygonal structure.

[0008] Further, the swing shaft is provided with a swing shaft limiting ring, the swing shaft limiting seat is provided with a swing shaft limiting groove, and the swing shaft limiting ring is located in the swing shaft limiting groove.

[0009] Further, the swing gear is provided with a gear limiting ring, the outer wall of the pickling tank is provided with a gear limiting seat, the gear limiting seat is provided with a gear limiting groove, and the gear limiting ring is located in the gear limiting groove.

[0010] Further, the swing rack is provided with a rack limiting block, the outer wall of the pickling tank is provided with a rack limiting seat, the rack limiting seat is provided with a rack limiting groove, and the rack limiting block is located in the rack limiting groove.

[0011] Further, the swing rack is penetrated by the lead screw and is threadedly connected with the lead screw, and the lead screw is connected with the motor shaft of the motor.

[0012] Further, the swing shaft positioning block is connected with the air cylinder, the piston rod of the air cylinder is provided with a positioning block limiting ring, the swing shaft positioning block is provided with a positioning block limiting hole, and the positioning block limiting ring is located in the positioning block limiting hole.

[0013] Compared with the prior art, the spring steel hot continuous rolling steel strip pickling equipment has the following advantages: the swing mechanism arranged in the spring steel hot continuous rolling steel strip pickling equipment can fix the hanging basket, the hanging basket can swing during pickling, the swing shaft positioning block can fix the swing shaft to prevent the swing shaft and the hanging basket from falling off. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a perspective structural schematic view of the spring steel hot continuous rolling steel strip pickling equipment according to an embodiment of the present application.

[0015] Figure 2 is a perspective structural schematic view of the spring steel hot continuous rolling steel strip pickling equipment according to an embodiment of the present application.

[0016] Figure 3 is Figure 2 is an enlarged structural schematic view of part A in

[0017] In the figure: pickling tank 1, hanging basket 2, support 3, swing mechanism 4,

[0018] Swing shaft 41, swing shaft limit ring 42, swing shaft limit seat 43, swing shaft limit groove 44, swing shaft positioning hole 45, swing gear 46, gear limit ring 47, swing rack 48, rack limit block 49, motor 410, screw rod 411, swing shaft positioning sleeve 412, swing shaft positioning block 413, air cylinder 414, positioning block limit ring 415, positioning block limit hole 416, gear limit groove 417, gear limit seat 418, rack limit groove 419, rack limit seat 420. DETAILED DESCRIPTION

[0019] The application will be further described below in connection with the drawings and by way of examples, which are intended to explain the application but not to limit the application to the examples.

[0020] EXAMPLE

[0021] Referring to Figures 1 to 3 It is to be understood that the structures, proportions, sizes, etc. shown in the drawings of the present specification are merely intended to facilitate the understanding of the present disclosure and to be read by those skilled in the art, and are not intended to limit the scope of the present application. Any modification, change in proportion or adjustment in size that does not affect the effect and purpose of the present application shall still fall within the scope of the present disclosure. Meanwhile, the terms such as "up", "down", "left", "right", "middle" and "one" in the present specification are only for the convenience of understanding and are not intended to limit the scope of the present application. Any change in relative relationship or adjustment without substantial change in technical content is also considered as the scope of the present application.

[0022] The spring steel hot continuous rolling strip pickling method in the embodiment is realized by a pickling device. The pickling device comprises a pickling tank 1, a hanging basket 2 and a support 3. The support 3 is arranged in the pickling tank 1. The hanging basket 2 is arranged on the support 3 through a swing mechanism 4.

[0023] The swing mechanism 4 in this embodiment includes a swing shaft 41, a swing shaft limiting seat 43, a swing shaft positioning hole 45, a swing gear 46, a swing rack 48, a swing shaft positioning sleeve 412, and a swing shaft positioning block 413. The swing shaft limiting seat 43 is mounted on the bracket 3, the swing shaft 41 is mounted on the swing shaft limiting seat 43, the basket 2 is mounted on the swing shaft 41, and the end of the swing shaft 41 is provided with a swing shaft positioning hole 45. The swing gear 46 is rotatably mounted on the outer wall of the pickling tank 1, and the swing rack 48 is slidably mounted on the outer wall of the pickling tank 1. The swing gear 46 meshes with the swing rack 48. The swing shaft positioning sleeve 412 is fixed on the swing gear 46. The swing shaft positioning block 413 is located inside the swing shaft positioning sleeve 412 and cooperates with the swing shaft positioning hole 45. The swing shaft positioning hole 45, the swing shaft positioning sleeve 412, and the swing shaft positioning block 413 are arranged in a polygonal structure. The swing shaft 41 is provided with a swing shaft limiting ring 42, and the swing shaft limiting seat 43 is provided with a swing shaft limiting groove 44. The swing shaft limiting ring 42 is located inside the swing shaft limiting groove 44.

[0024] In this embodiment, the swing gear 46 is provided with a gear limiting ring 47, the outer wall of the pickling tank 1 is provided with a gear limiting seat 418, the gear limiting seat 418 is provided with a gear limiting groove 417, the gear limiting ring 47 is located in the gear limiting groove 417, the swing rack 48 is provided with a rack limiting block 49, the outer wall of the pickling tank 1 is provided with a rack limiting seat 420, the rack limiting seat 420 is provided with a rack limiting groove 419, and the rack limiting block 49 is located in the rack limiting groove 419.

[0025] The pickling method in this embodiment is as follows: The workpiece to be pickled is placed in the basket 2, and the swing shaft 41 is mounted on two swing shaft limiting seats 43. The swing shaft positioning block 413 moves within the swing shaft positioning sleeve 412, which connects the swing shaft positioning sleeve 412 with the swing shaft positioning hole 45 to achieve the connection between the swing gear 46 and the swing shaft 41. The swing shaft positioning block 413 is driven to extend and retract by the cylinder 414. The swing shaft positioning block 413 is connected to the cylinder 414, and a positioning block limiting ring 415 is provided on the piston rod of the cylinder 414. The swing shaft positioning block 413 is provided with a positioning block limiting hole 416, and the positioning block limiting ring 415 is located in the positioning position. Within the block limiting hole 416, the positioning block limiting ring 415 and the positioning block limiting hole 416 allow the swing gear 46 to swing without being restricted by the cylinder 414. The swing gear 46 is driven to swing by the movement of the swing rack 48, which in turn drives the basket 2 to swing along the swing shaft 41 to clean the workpiece in the basket 2. The swing rack 48 passes through and is threadedly connected to the lead screw 411. The lead screw 411 is connected to the motor shaft of the motor 410, and the motor 410 drives the lead screw 411 to rotate. The movement of the swing rack 48 can be achieved through the lead screw 411. A cover plate is provided above the pickling tank 1 when cleaning the workpiece.

[0026] Furthermore, it should be noted that the specific embodiments described in the specification are merely illustrative of the present application and that changes can be made in the shape, size, and arrangement of parts, as well as in the details of the steps or steps of the method described herein, without departing from the scope of the application. Any equivalent changes or simple changes made to the configuration, features and principles described in the present application are included in the scope of protection of the present application. Those skilled in the art can make various modifications or supplements to the specific embodiments described or use similar ways to replace, as long as they do not deviate from the structure of the present application or exceed the scope defined by the claims.

Claims

1. A method for pickling hot-rolled spring steel strip, wherein the pickling method is implemented by pickling equipment, the pickling equipment comprising a pickling tank (1), a basket (2), and a support (3), characterized in that: The bracket (3) is set inside the pickling tank (1), and the basket (2) is set on the bracket (3) via a swing mechanism (4); the swing mechanism (4) includes a swing shaft (41), a swing shaft limiting seat (43), a swing shaft positioning hole (45), a swing gear (46), a swing rack (48), a swing shaft positioning sleeve (412), and a swing shaft positioning block (413). The swing shaft limiting seat (43) is set on the bracket (3), the swing shaft (41) is set on the swing shaft limiting seat (43), and the basket (2) is set on the swing mechanism (412). On the shaft (41), the end of the swing shaft (41) is provided with a swing shaft positioning hole (45), the swing gear (46) is rotatably disposed on the outer wall of the pickling tank (1), the swing rack (48) is slidably disposed on the outer wall of the pickling tank (1), the swing gear (46) meshes with the swing rack (48), the swing shaft positioning sleeve (412) is fixed on the swing gear (46), the swing shaft positioning block (413) is located inside the swing shaft positioning sleeve (412), and the swing shaft positioning block (413) cooperates with the swing shaft positioning hole (45); The pickling method is as follows: the workpiece to be pickled is placed in the basket (2), the swing shaft (41) is mounted on two swing shaft limit seats (43), and the swing shaft positioning block (413) moves in the swing shaft positioning sleeve (412) to connect the swing shaft positioning sleeve (412) with the swing shaft positioning hole (45) to realize the connection between the swing gear (46) and the swing shaft (41). The swing gear (46) is driven to swing by the movement of the swing rack (48), and then the basket (2) can be driven to swing along the swing shaft (41) through the swing shaft (41) to realize the cleaning of the workpiece in the basket (2). When cleaning the workpiece, a cover plate is provided above the pickling tank (1).

2. The pickling method for hot-rolled spring steel strip according to claim 1, characterized in that: The swing shaft positioning hole (45), swing shaft positioning sleeve (412), and swing shaft positioning block (413) are arranged in a polygonal structure.

3. The pickling method for hot-rolled spring steel strip according to claim 1, characterized in that: A swing shaft limiting ring (42) is provided on the swing shaft (41), and a swing shaft limiting groove (44) is provided on the swing shaft limiting seat (43). The swing shaft limiting ring (42) is located in the swing shaft limiting groove (44).

4. The pickling method for hot-rolled spring steel strip according to claim 1, characterized in that: The swing gear (46) is provided with a gear limiting ring (47), the outer wall of the pickling tank (1) is provided with a gear limiting seat (418), the gear limiting seat (418) is provided with a gear limiting groove (417), and the gear limiting ring (47) is located in the gear limiting groove (417).

5. The pickling method for hot-rolled spring steel strip according to claim 1, characterized in that: The swing rack (48) is provided with a rack limiting block (49), the outer wall of the pickling tank (1) is provided with a rack limiting seat (420), the rack limiting seat (420) is provided with a rack limiting groove (419), and the rack limiting block (49) is located in the rack limiting groove (419).

6. The pickling method for hot-rolled spring steel strip according to claim 1, characterized in that: The swing rack (48) passes through and is threadedly connected to the lead screw (411), and the lead screw (411) is connected to the motor shaft of the motor (410).

7. The pickling method for hot-rolled spring steel strip according to claim 1, characterized in that: The swing shaft positioning block (413) is connected to the cylinder (414). The piston rod of the cylinder (414) is provided with a positioning block limiting ring (415). The swing shaft positioning block (413) is provided with a positioning block limiting hole (416). The positioning block limiting ring (415) is located inside the positioning block limiting hole (416).

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