Pickling method for spring steel hot continuous rolling steel strip

Abstract

The invention relates to a spring steel hot continuous rolling steel strip pickling method. The pickling equipment comprises a pickling tank, a hanging basket and a support, and is structurally characterized in that 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, and the swing gear is arranged in the swing shaft positioning hole. A swing shaft positioning hole is formed in the end of the swing shaft, the swing gear is rotationally 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 meshed with the swing rack, the swing shaft positioning sleeve is fixed to the swing gear, and the swing shaft positioning block is located in the swing shaft positioning sleeve. And the swing shaft positioning block is matched with the swing shaft positioning hole.

Description

Technical Field

[0001] The invention relates to a method for pickling a hot-rolled spring steel strip. Background Art

[0002] During the pickling process of steel strips, the hot-rolled steel strips are generally placed in a cage, and the cage is placed in a pickling tank for pickling. However, since the steel strips are easily stacked together, this results in insufficient contact between many steel strips and the pickling solution, resulting in a longer pickling cycle. In addition, when the pickling solution is added, the pickling solution is easy to splash around, which can easily cause certain damage to the surrounding environment.

[0003] In view of this, a pickling device for a hot-rolled steel strip production line is disclosed in the patent document with application number 202123089413.6. During pickling, the pickling device in the above-mentioned prior art places the cross bar of the supporting cage in the limiting groove 9 on the upper surface of the two moving blocks 4, and the supporting cage cannot be fixed, which will cause the supporting cage to fall off when moving forward and backward. Summary of the invention

[0004] The purpose of the present invention is to overcome the above-mentioned deficiencies in the prior art and to provide a method for pickling a spring steel hot-rolled strip with a reasonable structural design.

[0005] The technical solution adopted by the present invention to solve the above-mentioned problem is: the pickling method of the hot-rolled steel strip of spring steel is realized by pickling equipment, and the pickling equipment includes a pickling tank, a hanging basket and a bracket, and its structural characteristics are: the bracket is arranged in the pickling tank, and the hanging basket is arranged on the bracket through a swinging mechanism; the swinging mechanism includes a swinging shaft, a swinging shaft limiting seat, a swinging shaft positioning hole, a swinging gear, a swinging rack, a swinging shaft positioning sleeve and a swinging shaft positioning block, the swinging shaft limiting seat is arranged on the bracket, the swinging shaft is arranged on the swinging shaft limiting seat, the hanging basket is arranged on the swinging shaft, the end of the swinging shaft is provided with a swinging shaft positioning hole, the swinging gear is rotatably arranged on the outer wall of the pickling tank, the swinging rack is slidably arranged on the outer wall of the pickling tank, the swinging gear is meshed with the swinging rack, the swinging shaft positioning sleeve is fixed on the swinging gear, the swinging shaft positioning block is located in the swinging shaft positioning sleeve, and the swinging shaft positioning block cooperates with the swinging shaft positioning hole; The pickling method is as follows: a workpiece to be pickled is placed in a hanging basket, a swing shaft is mounted on two swing shaft limit seats, and a swing shaft positioning block is moved in a swing shaft positioning sleeve, and the swing shaft positioning sleeve can be connected to the swing shaft positioning hole to realize the connection between the swing gear and the swing shaft, and the swing gear is driven to swing by the movement of the swing rack, and then the hanging basket can be driven to swing along the swing shaft through the swing shaft to realize the cleaning of the workpiece in the hanging basket, and a cover plate is provided above the pickling tank when the workpiece is cleaned.

[0006] Furthermore, the swing shaft positioning hole, the swing shaft positioning sleeve, and the swing shaft positioning block are arranged in a polygonal structure.

[0007] Furthermore, a swing shaft limiting ring is provided on the swing shaft, a swing shaft limiting groove is provided on the swing shaft limiting seat, and the swing shaft limiting ring is located in the swing shaft limiting groove.

[0008] Furthermore, a gear limiting ring is provided on the swing gear, a gear limiting seat is provided on the outer wall of the pickling tank, a gear limiting groove is provided on the gear limiting seat, and the gear limiting ring is located in the gear limiting groove.

[0009] Furthermore, a rack limiting block is arranged on the swing rack, a rack limiting seat is arranged on the outer wall of the pickling tank, a rack limiting groove is arranged on the rack limiting seat, and the rack limiting block is located in the rack limiting groove.

[0010] Furthermore, the swing rack and the lead screw penetrate each other and are threadedly connected, and the lead screw is connected to the motor shaft of the motor.

[0011] Furthermore, the swing shaft positioning block is connected to the cylinder, a positioning block limiting ring is provided on the piston rod of the cylinder, a positioning block limiting hole is provided on the swing shaft positioning block, and the positioning block limiting ring is located in the positioning block limiting hole.

[0012] Compared with the prior art, the present invention has the following advantages: the spring steel hot-rolled steel strip pickling equipment can fix the hanging basket through the set swing mechanism, and the hanging basket can be swung during pickling, so that the cleaning is more thorough, and the swing shaft can be fixed by the set swing shaft positioning block to prevent the swing shaft and the hanging basket from falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of a spring steel hot-rolled steel strip pickling equipment according to an embodiment of the present invention.

[0014] Figure 2 It is a schematic cross-sectional structure diagram of a spring steel hot-rolled steel strip pickling device according to an embodiment of the present invention.

[0015] Figure 3 yes Figure 2 Schematic diagram of the enlarged structure of part A in FIG.

[0016] In the figure: pickling tank 1, hanging basket 2, bracket 3, swing mechanism 4, Swing shaft 41, swing shaft limiting ring 42, swing shaft limiting seat 43, swing shaft limiting groove 44, swing shaft positioning hole 45, swing gear 46, gear limiting ring 47, swing rack 48, rack limiting block 49, motor 410, screw rod 411, swing shaft positioning sleeve 412, swing shaft positioning block 413, cylinder 414, positioning block limiting ring 415, positioning block limiting hole 416, gear limiting groove 417, gear limiting seat 418, rack limiting groove 419, rack limiting seat 420. DETAILED DESCRIPTION

[0017] The present invention will be further described in detail below with reference to the accompanying drawings and by way of examples. The following examples are intended to explain the present invention but the present invention is not limited to the following examples.

[0018] Example

[0019] See also Figures 1 to 3 As shown, it should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention, so they have no substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size should still fall within the scope of the technical content disclosed by the present invention without affecting the effects and purposes that can be achieved by the present invention. At the same time, if there are references to terms such as "upper", "lower", "left", "right", "middle" and "one" in this specification, they are only for the convenience of description, and are not used to limit the scope of the implementation of the present invention. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the present invention without substantially changing the technical content.

[0020] The pickling method for hot-rolled spring steel strip in this embodiment is implemented by pickling equipment, which includes a pickling tank 1, a hanging basket 2 and a bracket 3. The bracket 3 is arranged in the pickling tank 1, and the hanging basket 2 is arranged on the bracket 3 through a swing mechanism 4.

[0021] The swing mechanism 4 in this embodiment includes a swing shaft 41, a swing shaft limit 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 limit seat 43 is arranged on the bracket 3, the swing shaft 41 is arranged on the swing shaft limit seat 43, the hanging basket 2 is arranged on the swing shaft 41, the end of the swing shaft 41 is provided with a swing shaft positioning hole 45, the swing gear 46 is rotatably arranged on the outer wall of the pickling tank 1, and the swing rack 48 is slidably arranged on the outer wall of the pickling tank 1. The swing gear 46 is meshed 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 in the swing shaft positioning sleeve 412, and the swing shaft positioning block 413 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, a swing shaft limiting ring 42 is arranged on the swing shaft 41, a swing shaft limiting groove 44 is arranged on the swing shaft limiting seat 43, and the swing shaft limiting ring 42 is located in the swing shaft limiting groove 44.

[0022] The swing gear 46 in this embodiment 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.

[0023] The pickling method in this embodiment is as follows: the workpiece to be pickled is placed in the hanging basket 2, the swing shaft 41 is mounted on two swing shaft limit seats 43, and the swing shaft positioning block 413 is moved in the swing shaft positioning sleeve 412, and the swing shaft positioning sleeve 412 can be connected with the swing shaft positioning hole 45 to realize the connection between the swing gear 46 and the swing shaft 41, and the swing shaft positioning block 413 is driven to extend and retract by the cylinder 414, and 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, and a positioning block limiting hole 416 is provided on the swing shaft positioning block 413, and the positioning block limiting ring 415 is located at the positioning In the block limiting hole 416, the positioning block limiting ring 415 and the positioning block limiting hole 416 are set so that the swing gear 46 is not restricted by the cylinder 414 when swinging. The swing gear 46 is driven to swing by the movement of the swing rack 48, and then the hanging basket 2 can be driven to swing along the swing shaft 41 through the swing shaft 41 to achieve the cleaning of the workpiece in the hanging basket 2. The swing rack 48 and the screw rod 411 are penetrated and the two are threadedly connected. The screw rod 411 is connected to the motor shaft of the motor 410. The screw rod 411 is driven to rotate by the motor 410, and the movement of the swing rack 48 can be achieved by the screw rod 411. A cover plate is provided above the pickling tank 1 when the workpiece is cleaned.

[0024] In addition, it should be noted that the shapes and names of the parts and components of the specific embodiments described in this specification may be different, and the above content described in this specification is only an example of the structure of the present invention. All equivalent changes or simple changes made based on the structure, features and principles described in the patent concept of the present invention are included in the protection scope of the patent of the present invention. Technicians in the technical field of the present invention can make various modifications or supplements to the specific embodiments described or replace them in a similar manner, as long as they do not deviate from the structure of the present invention or exceed the scope defined by the claims, they should all fall within the protection scope of the present invention.

Claims

1. A method for pickling a hot-rolled spring steel strip, the method being implemented by a pickling device, the pickling device comprising a pickling tank (1), a hanging basket (2) and a support (3), characterized in that: The support (3) is arranged in the pickling tank (1); the hanging basket (2) is arranged on the support (3) via a swing mechanism (4); the swing mechanism (4) comprises a swing shaft (41), a swing shaft limit 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 limit seat (43) is arranged on the support (3); the swing shaft (41) is arranged on the swing shaft limit seat (43); the hanging basket (2) is arranged on the swing shaft The swing shaft (41) is provided with a swing shaft positioning hole (45) at the end of the swing shaft (41), the swing gear (46) is rotatably arranged on the outer wall of the pickling tank (1), the swing rack (48) is slidably arranged on the outer wall of the pickling tank (1), the swing gear (46) is meshed 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 in the swing shaft positioning sleeve (412), and the swing shaft positioning block (413) is matched with the swing shaft positioning hole (45); The pickling method is as follows: a workpiece to be pickled is placed in a hanging basket (2), a swing shaft (41) is mounted on two swing shaft limit seats (43), a swing shaft positioning block (413) is moved in a swing shaft positioning sleeve (412), the swing shaft positioning sleeve (412) can be connected to a swing shaft positioning hole (45) to achieve connection between a swing gear (46) and a swing shaft (41), the swing gear (46) is driven to swing by moving a swing rack (48), and the hanging basket (2) can be driven to swing along the swing shaft (41) through the swing shaft (41) to achieve cleaning of the workpiece in the hanging basket (2), and a cover plate is provided above the pickling tank (1) when the workpiece is cleaned.

2. The method for pickling a hot-rolled spring steel strip according to claim 1, characterized in that: 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.

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

4. The method for pickling a 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 limit block (49), the outer wall of the pickling tank (1) is provided with a rack limit seat (420), the rack limit seat (420) is provided with a rack limit groove (419), and the rack limit block (49) is located in the rack limit groove (419).

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

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

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