Strip withdrawal and straightening device

By introducing a fine-tuning mechanism and guiding system with adjustable roller spacing into the strip straightener, the problems of increased gap caused by wear of the work rollers and difficulty in controlling the strip direction have been solved, achieving higher flatness, accuracy and efficiency.

CN223718051UActive Publication Date: 2025-12-26JIANGZHIHAI JINYE (JIANGSU) TECH CO LTD
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Patent Information

Application Number
CN202520108512.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2025-12-26
Estimated Expiration
2035-01-17

AI Technical Summary

Technical Problem

In existing strip straightening machines, wear of the work rolls leads to increased clearance, affecting the flatness and accuracy of the strip, and making it difficult to control the direction of the strip ends.

Method used

The system employs an adjustable fine-tuning mechanism and a guiding mechanism for the upper and lower roller groups, combined with a synchronous drive system, to ensure precise deformation and guidance of the strip during straightening. The roller group spacing is adjusted by a cylinder-driven sliding block, reducing manual intervention.

Benefits of technology

It improves the flatness and precision of the strip surface, reduces wear compensation of the work roll, and improves straightening efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a strip withdrawal and straightening device which comprises a rack, a plurality of fine adjustment mechanisms, a plurality of guide mechanisms, a driving unit and a working roller unit, the driving unit and the working roller unit are arranged on the rack, and the driving unit is used for driving the working roller unit; the working roller unit comprises a supporting frame, and an upper roller set and a lower roller set which are in one-to-one correspondence are oppositely arranged on the supporting frame. The guide mechanism is used for guiding the direction of a strip in the working roller unit; the fine adjustment mechanism is connected with the two ends of the upper roller set respectively and can independently adjust the distance between the two ends of the upper roller set and the lower roller set and compensate abrasion between the upper roller set and the lower roller set. The upper roller set and the lower roller set which are oppositely arranged up and down mutually extrude a strip, the deformation degree of the material can be accurately controlled, the guide mechanism can guide the strip direction, personnel interference is reduced, the strip is adjusted, the flatness and precision of the surface of the strip are improved, and efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of straightening machine, in particular to a strip drawing and straightening device. BACKGROUND

[0002] The basic principle of strip straightening machine is to eliminate the internal residual stress and improve the flatness of the strip by repeatedly bending the strip through a series of straightening rolls. In the straightening process, the strip (such as a steel coil) is subjected to extrusion and bending by the working rolls, resulting in elastic-plastic deformation. The working rolls are prone to wear after long-term use, which increases the gap between the working rolls and affects the flatness and precision of the strip. CONTENT OF THE INVENTION

[0003] The present application provides a strip drawing and straightening device to solve the above-mentioned problems in the prior art, which adopts the following technical solutions:

[0004] The strip drawing and straightening device comprises a rack, a driving unit and a working roll unit arranged on the rack, and the driving unit is used to drive the working roll unit.

[0005] The working roll unit comprises a support frame, and a pair of upper roll groups and lower roll groups are arranged on the support frame in correspondence.

[0006] A plurality of fine adjustment mechanisms are connected to the two ends of the upper roll groups, respectively, and the fine adjustment mechanisms can independently adjust the distance between the two ends of the upper roll groups and the lower roll groups.

[0007] A guide mechanism is used to guide the movement of the strip in the working roll unit.

[0008] Preferably, the guide mechanism comprises a first guide component and a second guide component, the first guide component is arranged on the outer side of the lower roll group, and the second guide component is arranged between adjacent lower roll groups.

[0009] Further preferably, the first guide component and the second guide component are both inclined upward along one side of the strip conveying direction.

[0010] Preferably, the fine adjustment mechanism comprises an adjusting component and a sliding block arranged at the end of the upper roll group, the sliding block is slidingly connected to the support frame, and the adjusting component can drive the sliding block to move along the z-axis.

[0011] Further preferably, a connecting block is arranged between the adjusting component and the sliding block, the connecting block is arranged on the driving end of the adjusting component, and the connecting block is hinged to the sliding block.

[0012] Preferably, the driving unit comprises a power component and a synchronous driving mechanism, a telescopic component is arranged between the synchronous driving mechanism and the working roller unit, and the power component is used to drive the synchronous driving mechanism to rotate the working roller unit.

[0013] Further preferably, the synchronous driving mechanism comprises a driving gear and a plurality of transmission gears, the transmission gears are connected with the telescopic component, and the driving gear is engaged with the transmission gears.

[0014] Further preferably, the adjusting component is a pneumatic cylinder, so that leakage can be avoided and pollution can be reduced.

[0015] Preferably, the rack is further provided with a protection component, which is arranged on both sides of the driving unit, so that the protection component can play a protection role and improve safety.

[0016] The application has the following beneficial effects:

[0017] The application is helpful to accurately control the deformation degree of the material by the mutual extrusion of the strip between the upper roller group and the lower roller group arranged oppositely, the guide mechanism can guide the strip to move, the strip end can avoid being difficult to determine when passing through between the upper roller group and the lower roller group, personnel intervention for adjusting the strip is reduced, the flatness and precision of the strip surface are improved, and the efficiency is improved.

[0018] Secondly, the upper roller group can adjust the distance between the upper roller group and the lower roller group according to the requirement through the fine adjustment mechanism arranged at both ends of the upper roller group, the fine adjustment mechanism can independently adjust both ends of the upper roller group, the wear of the upper and lower roller groups is compensated, and it is ensured that the working roller unit can accurately straighten the strip. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a perspective view of the application;

[0020] Figure 2 is a front view of the application;

[0021] Figure 3 is a sectional view of the application at A-A;

[0022] Figure 4 is an enlarged view of A of the application;

[0023] Figure 5 is a sectional view of the application at B-B.

[0024] In the drawings:

[0025] 1, rack, 2, driving unit, 3, power component;

[0026] 4, synchronous driving mechanism, 41, driving gear, 42, transmission gear;

[0027] 5. telescopic part;

[0028] 6. fine adjustment mechanism, 61. adjustment part, 62. connecting block, 63. sliding block;

[0029] 7. guiding mechanism, 71. first guiding part, 72. second guiding part;

[0030] 8. protection part;

[0031] 9. work roll unit, 91. support frame, 92. upper roll set, 93. lower roll set; 10. strip; DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings of the present application. Obviously, the embodiments described in the present application are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0033] Reference Figures 1 to 5 , the present application will be further described in detail:

[0034] In combination Figure 1 and Figure 2 , the strip straightening device comprises a rack 1, a guiding mechanism 7 and a plurality of fine adjustment mechanisms 6, and a driving unit 2 and a work roll unit 9 arranged on the rack 1, the driving unit 2 is used to drive the work roll unit 9;

[0035] The work roll unit 9 comprises a support frame 91, and a corresponding upper roll set 92 and a lower roll set 93 are arranged opposite to each other on the support frame 91; the support frame 91 is used to support the two ends of the upper roll set 92 and the lower roll set 93 to rotate respectively; in the embodiment, the upper roll set 92 and the lower roll set 93 are both two, and the upper roll set 92 and the lower roll set 93 are arranged in an upper-lower symmetrical manner and correspond to each other.

[0036] The two ends of each upper roll set 92 are connected with the fine adjustment mechanism 6, the fine adjustment mechanism 6 can adjust the distance between the upper roll set 92 and the lower roll set 93, and can independently adjust the two ends of the upper roll set 92 to compensate for the wear amount, so as to ensure that the work roll unit 9 can accurately straighten the strip 10.

[0037] As Figure 3 , the guiding mechanism 7 is used to guide the running direction of the strip 10 in the work roll unit 9 (the direction of the arrow in the figure) Figure 3The direction of the strip 10 is from left to right; the guide mechanism 7 can guide the strip 10 to pass between the upper roller set 92 and the lower roller set 93 in turn when the strip 10 end passes through the working roller unit 9, avoiding the strip 10 end from going to the top of the upper roller set 92 or the bottom of the lower roller set 93, which can reduce manual intervention and improve work efficiency.

[0038] In combination Figure 3 , in this embodiment, the guide mechanism 7 includes a first guide component 71 and a second guide component 72, the first guide component 71 is arranged outside the lower roller set 93, used to support and guide the strip 10 end to enter or extend out of the working roller unit 9, the second guide component 72 is arranged between adjacent lower roller sets 93, used to support the strip 10 to pass from the previous lower roller set 93 to the next lower roller set 93; wherein the first guide component 71 and the second guide component 72 are both arranged upwardly along one side of the strip 10 conveying direction.

[0039] In combination Figure 1 and Figure 4 , the fine adjustment mechanism 6 includes an adjusting component 61, and a sliding block 63 arranged at the end of the upper roller set 92, the sliding block 63 is slidingly connected to the support frame 91, the adjusting component 61 can drive the sliding block 63 to move along the z-axis, thereby adjusting the upper roller set 92, compensating for the wear of the upper roller set 92 or adjusting the gap between the upper roller set 92 and the lower roller set 93 to adapt to the strip 10 of different thicknesses; wherein a connecting block 62 is arranged between the adjusting component 61 and the sliding block 63, the connecting block 62 is arranged on the driving end of the adjusting component 61, and the connecting block 62 articulates the sliding block 63 in order to adjust both ends of the upper roller set 92; in this embodiment, the adjusting component 61 is a pneumatic cylinder, which can avoid leakage and reduce pollution to the strip 10.

[0040] In combination Figure 1 , the driving unit 2 includes a power component 3 and a synchronous driving mechanism 4, and the synchronous driving mechanism 4 is connected with the working roller unit 9 through a telescopic component 5; wherein the power component 3 is a motor, and the telescopic component 5 can be a universal shaft, so that when the fine adjustment mechanism 6 adjusts the upper roller set 92, the power component 3 can still drive the telescopic component 5 to rotate the upper roller set 92 through the synchronous driving mechanism 4; the power component 3 is used to drive the synchronous driving mechanism 4 to drive the corresponding telescopic component 5, and then drive the upper roller set 92 and the lower roller set 93 to rotate.

[0041] In combination Figure 5The synchronous driving mechanism 4 comprises a driving gear 41 and a plurality of transmission gears 42, the transmission gears 42 are connected with the telescopic parts 5, and the driving gear 41 is engaged with the transmission gears 42. Specifically, the transmission gears 42 correspond to the positions of the upper roller groups 92 and the lower roller groups 93 respectively, the transmission gears 42 corresponding to the lower roller groups 93 are engaged with the transmission gears 42 of the corresponding upper roller groups 92 respectively, and the driving gear 41 is engaged with the transmission gears 42 corresponding to the lower roller groups 93 respectively.

[0042] In combination Figure 1 The frame 1 is further provided with a protection part 8 located on both sides of the driving unit 2, which can play a protection role and has higher safety.

Claims

1. A strip straightening device, characterized in that: It includes a frame, and a drive unit and a work roll unit disposed on the frame, wherein the drive unit is used to drive the work roll unit; The working roller unit includes a support frame, on which a corresponding upper roller group and a lower roller group are arranged; Several fine-tuning mechanisms are respectively connected to both ends of the upper roller group, and each fine-tuning mechanism can independently adjust the distance between the two ends of the upper roller group and the lower roller group; A guiding mechanism for guiding the strip within the work roll unit.

2. The strip straightening device according to claim 1, characterized in that: The guiding mechanism includes a first guiding component and a second guiding component. The first guiding component is located on the outside of the lower roller group, and the second guiding component is located between adjacent lower roller groups.

3. The strip straightening device according to claim 2, characterized in that: Both the first guide component and the second guide component are inclined upwards on one side along the conveying direction of the strip.

4. The strip straightening device according to claim 1, characterized in that: The fine-tuning mechanism includes an adjustment component and a sliding block disposed at the end of the upper roller assembly. The sliding block is slidably connected to the support frame, and the adjustment component can drive the sliding block to move along the z-axis.

5. The strip straightening device according to claim 4, characterized in that: A connecting block is provided between the adjusting component and the sliding block. The connecting block is located on the driving end of the adjusting component and is hinged to the sliding block.

6. The strip straightening device according to claim 1, characterized in that: The drive unit includes a power component and a synchronous drive mechanism. The synchronous drive mechanism is connected to the work roller unit by a telescopic component. The power component is used to drive the synchronous drive mechanism to rotate the work roller unit.

7. The strip straightening device according to claim 6, characterized in that: The synchronous drive mechanism includes a drive gear and several transmission gears. The transmission gears are respectively connected to the telescopic component, and the drive gear meshes with the transmission gears.

8. The strip straightening device according to claim 4, characterized in that: The adjusting component is a cylinder.

9. The strip straightening device according to claim 1, characterized in that: The frame is also equipped with protective components, which are located on both sides of the drive unit.