Trimming circle shear mounting structure of pickling rolling unit
Through the design of the linkage and adjustment mechanism, stable linkage and rapid adjustment of the edge-cutting disc shear of the pickling mill are realized, solving the problem of difficult adjustment of the shearing disc spacing in the existing technology, and improving the stability and working efficiency of the equipment.
Patent Information
- Application Number
- CN202520871300.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-06
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-05-06
AI Technical Summary
The existing edge-cutting disc shear installation structure of the pickling and rolling mill makes it difficult to quickly adjust the spacing of the shearing discs, which makes it inconvenient to replace the shearing discs on the rear side of the assembly, affecting the working efficiency and practicality of the equipment.
The system employs a linkage and adjustment mechanism, utilizing a drive motor, transmission shaft, main gear, secondary gear, drive gear, adjustment motor, and adjustment screw to achieve linkage and adjustment of the shearing disc, ensuring that the shearing disc rotates in opposite directions at the same speed and that the spacing is adjustable.
It improves the stability and adjustability of the shearing disc, enhances the stability and practicality of the equipment, reduces equipment failures and downtime, and improves the continuity and automation of production.
Smart Images

Figure CN223775680U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to metallurgical processing technical field, concretely is a kind of trimming disc shears mounting structure of pickling mill group. BACKGROUND
[0002] In the strip rolling production of metallurgical industry, the edge of the strip often has defects such as small cracks, and a trimming disc shear needs to be provided in the pickling mill group to remove the defects of the strip edge. With the development of the metal processing industry, the efficiency of strip production is increasingly required. The pickling mill group needs to realize continuous and high-speed production, and the rationality and stability of the mounting structure of the trimming disc shear, as one of the key equipment, directly affect the overall production efficiency of the group. A stable and reliable trimming disc shear mounting structure can reduce equipment failure and downtime, and improve the continuity and automation of production.
[0003] The existing device mainly installs a pair of shearing discs in a staggered manner. The existing technology is similar to a trimming disc shear mounting structure of a pickling mill group, and the structure disclosed in CN215998890U includes a lubrication system, an upper shaft and a lower shaft, which are transmissionally connected between the upper shaft and the lower shaft. An upper shearing disc is sleeved on the upper shaft, and a lower shearing disc is sleeved on the lower shaft. The upper shearing disc and the lower shearing disc are arranged in a staggered manner on the axial direction of the upper shaft. The utility model solves the problem of high-speed shearing of disc shears, easy sticking of knives and reduction of shearing quality. However, the device still has room for optimization.
[0004] The existing device mainly limits the installation of shearing discs on the fixed frame, making it difficult to quickly adjust the distance between the shearing discs, which makes it inconvenient to replace the shearing discs on the rear side and reduces the working efficiency and practicality of the device. Therefore, in order to solve the above problems, a trimming disc shear mounting structure of a pickling mill group is proposed. UTILITY MODEL CONTENTS
[0005] The utility model aims to provide a trimming disc shear mounting structure of a pickling mill group to solve the problem that the existing device in the prior art mentioned in the background art mainly limits the installation of shearing discs on the fixed frame, making it difficult to quickly adjust the distance between the shearing discs, which makes it inconvenient to replace the shearing discs on the rear side.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a trimming disc shear mounting structure of a pickling mill group, comprising a fixed frame, a lower rotating frame movably connected to the front lower side of the inner wall of the fixed frame, a lower shearing disc provided on the front left side of the lower rotating frame, an upper rotating frame movably connected to the front upper side of the inner wall of the fixed frame, an upper shearing disc provided on the front left side of the upper rotating frame, and a control console fixedly connected to the right side of the fixed frame.
[0007] The inside of the lower rotating frame is provided with a linkage mechanism, the linkage mechanism comprises a driving motor, the front side of the driving motor is fixedly connected to the rear side of the lower rotating frame, the inside of the fixed frame is provided with an adjusting mechanism, the adjusting mechanism comprises an adjusting motor, the right side of the adjusting motor is fixedly connected to the left side of the fixed frame.
[0008] Preferably, the front middle part of the driving motor is fixedly connected with a transmission shaft, the front end of the transmission shaft penetrates through the rear side wall of the lower rotating frame and is fixedly connected with a main gear, the upper side of the main gear is meshedly connected with a secondary gear, and the wheel shaft of the secondary gear is movably connected to the right side of the inner wall of the upper rotating frame.
[0009] Preferably, the left side of the main gear is meshedly connected with a first driving gear, the rear side of the first driving gear is movably connected to the left side of the inner wall of the lower rotating frame, the front middle part of the first driving gear is fixedly connected with a first driving shaft, and the front end of the first driving shaft penetrates through the lower rotating frame and is fixedly connected to the rear middle part of the lower shearing disc.
[0010] Preferably, the left side of the secondary gear is meshedly connected with a second driving gear, the rear side of the second driving gear is movably connected to the left side of the inner wall of the upper rotating frame, the front middle part of the second driving gear is fixedly connected with a second driving shaft, and the front end of the second driving shaft penetrates through the upper rotating frame and is fixedly connected to the rear middle part of the upper shearing disc.
[0011] Preferably, the right middle part of the adjusting motor is fixedly connected with an adjusting screw rod, the right end of the adjusting screw rod is movably connected to the right side of the inner wall of the fixed frame, and the left side of the outer wall of the adjusting screw rod is threadedly connected with an adjusting screw sleeve.
[0012] Preferably, the outer wall of the adjusting screw sleeve is movably connected with a pair of traction rods, and the other ends of the traction rods are movably connected to the rear sides of the lower rotating frame and the upper rotating frame respectively.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] 1. The driving motor, the transmission shaft, the main gear, the secondary gear, the first driving gear, the first driving shaft, the second driving gear and the second driving shaft in the linkage mechanism are started by the control console to drive the transmission shaft and the main gear to limit rotation, the main gear meshes to drive the first driving gear, the first driving shaft and the lower shearing disc to rotate, the main gear meshes the secondary gear to rotate, the secondary gear drives the second driving gear, the second driving shaft and the upper shearing disc to rotate synchronously, linkage of the shearing discs is realized, a pair of shearing discs can be driven to rotate at the same speed and in the opposite direction, the shearing discs can stably remove the defects of the strip steel edge, and the stability and practicability of the device are improved.
[0015] 2. The utility model discloses a adjusting motor, adjusting screw rod, adjusting nut and tow bar etc. structure in adjusting mechanism, through the control cabinet starting adjusting motor drive adjusting screw rod limit rotation, adjusting screw rod drive adjusting nut and the right end of tow bar left and right slide, make the left end of tow bar drive lower swing frame and upper swing frame limit rotation, lower swing frame and upper swing frame drive lower shearing disc and upper shearing disc synchronous rotation, realized the adjustment of shearing disc, make part of device can fast adjusting the interval of shearing disc, it is convenient to replace the assembly shearing disc, improved the adjustment of device and practicality. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the structure front side view perspective drawing of the utility model;
[0017] Figure 2 It is the structure overhead sectional perspective drawing of the utility model;
[0018] Figure 3 It is the local structure side view sectional perspective drawing of swing frame and linkage mechanism of the utility model;
[0019] Figure 4 It is the local structure back view sectional perspective drawing of fixed frame and adjusting mechanism of the utility model.
[0020] In the drawing: 11, fixed frame;12, lower swing frame;13, lower shearing disc;14, upper swing frame;15, upper shearing disc;16, control cabinet;2, linkage mechanism;21, drive motor;22, transmission shaft;23, main gear;24, auxiliary gear;25, first drive gear;26, first drive shaft;27, second drive gear;28, second drive shaft;3, adjusting mechanism;31, adjusting motor;32, adjusting screw rod;33, adjusting nut;34, tow bar. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model.
[0022] Please refer to Figures 1-4 The utility model provides an embodiment:
[0023] The trimming disc shears mounting structure of a skin pass mill set, including fixed frame 11, the lower front side of the inner wall of fixed frame 11 is movably connected with lower rotary frame 12, the left front side of lower rotary frame 12 is provided with lower shearing disc 13, the upper front side of the inner wall of fixed frame 11 is movably connected with upper rotary frame 14, the left front side of upper rotary frame 14 is provided with upper shearing disc 15, the right side of fixed frame 11 is fixedly connected with control console 16;
[0024] The inside of lower rotary frame 12 is provided with linkage mechanism 2, linkage mechanism 2 includes drive motor 21, the rear side of drive motor 21 is fixedly connected to the rear side of lower rotary frame 12, the middle of the front side of drive motor 21 is fixedly connected with transmission shaft 22, the front end of transmission shaft 22 penetrates through the rear side wall of lower rotary frame 12 and is fixedly connected with main gear 23, the upper side of main gear 23 is meshingly connected with auxiliary gear 24, the wheel shaft of auxiliary gear 24 is movably connected to the inner wall right side of upper rotary frame 14, through the design, it realizes that drive motor 21 drives transmission shaft 22 and main gear 23 limit rotation, so that main gear 23 meshingly drives auxiliary gear 24 to rotate, the left side of main gear 23 is meshingly connected with first drive gear 25, the rear side of first drive gear 25 is movably connected to the inner wall left side of lower rotary frame 12, the middle of the front side of first drive gear 25 is fixedly connected with first drive shaft 26, the front end of first drive shaft 26 penetrates through lower rotary frame 12 and is fixedly connected to the rear side of lower shearing disc 13, through the design, it realizes that main gear 23 meshingly drives first drive gear 25, first drive shaft 26 and lower shearing disc 13 to rotate, the left side of auxiliary gear 24 is meshingly connected with second drive gear 27, the rear side of second drive gear 27 is movably connected to the inner wall left side of upper rotary frame 14, the middle of the front side of second drive gear 27 is fixedly connected with second drive shaft 28, the front end of second drive shaft 28 penetrates through upper rotary frame 14 and is fixedly connected to the rear middle of upper shearing disc 15, through the design, it realizes that auxiliary gear 24 meshingly drives second drive gear 27, second drive shaft 28 and upper shearing disc 15 to rotate.
[0025] The inside of fixed frame 11 is provided with adjusting mechanism 3, adjusting mechanism 3 includes adjusting motor 31, the left side of adjusting motor 31 is fixedly connected to the left side of fixed frame 11, the middle of the right side of adjusting motor 31 is fixedly connected with adjusting screw 32, the right end of adjusting screw 32 is movably connected to the inner wall right side of fixed frame 11, the left side of the outer wall of adjusting screw 32 is threadedly connected with adjusting sleeve 33, through the design, it realizes that adjusting motor 31 drives adjusting screw 32 limit rotation, so that adjusting screw 32 drives adjusting sleeve 33 to slide left and right, a pair of traction rods 34 are movably connected to the outer wall both sides of adjusting sleeve 33, the other end of traction rod 34 is movably connected to the rear side of lower rotary frame 12 and upper rotary frame 14 respectively, through the design, it realizes that adjusting sleeve 33 drives lower rotary frame 12 and upper rotary frame 14 symmetrical limit rotation through traction rod 34.
[0026] Working principle: When the shearing disc needs to be linked, the drive motor 21 is first started through the control console 16. The drive motor 21 drives the transmission shaft 22 to rotate in a limited position. The transmission shaft 22 drives the main gear 23 to rotate synchronously. The main gear 23 meshes with and drives the first drive gear 25 to rotate. The first drive gear 25 drives the first drive shaft 26 and the lower shearing disc 13 to rotate. At the same time, the main gear 23 meshes with the secondary gear 24 to rotate. The secondary gear 24 drives the second drive gear 27 to rotate in the opposite direction relative to the first drive gear 25. The first drive gear 25 drives the second drive shaft 28 and the upper shearing disc 15 to rotate synchronously, so that the lower shearing disc 13 and the upper shearing disc 15 rotate in opposite directions at the same speed, realizing the linkage operation of the shearing disc.
[0027] When the shearing disc needs adjustment, the adjustment motor 31 is first started via the control console 16. The adjustment motor 31 drives the adjustment screw 32 to rotate to a limit position. The adjustment screw 32 drives the adjustment sleeve 33 to slide left and right. The adjustment sleeve 33 drives the right end of the traction rod 34 to slide synchronously, so that the left end of the traction rod 34 drives the lower rotating frame 12 and the upper rotating frame 14 to rotate to a limit position. The lower rotating frame 12 and the upper rotating frame 14 drive the lower shearing disc 13 and the upper shearing disc 15 to rotate synchronously, thus realizing the adjustment operation of the shearing disc. The operation ends here.
[0028] The above are merely preferred embodiments of this utility model and are not intended to limit the utility model in any way. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the description above. However, any modifications, alterations, or variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.
Claims
1. A cutting disc shear mounting structure for a pickling and rolling mill, comprising a fixing frame (11), characterized in that: The lower rotating frame (12) is movably connected to the lower front side of the inner wall of the fixed frame (11). The lower rotating frame (12) has a lower shearing disc (13) on the left front side. The upper rotating frame (14) is movably connected to the upper front side of the inner wall of the fixed frame (11). The upper shearing disc (15) is on the left front side of the upper rotating frame (14). The control console (16) is fixedly connected to the right side of the fixed frame (11). The lower rotating frame (12) is provided with a linkage mechanism (2), which includes a drive motor (21). The front side of the drive motor (21) is fixedly connected to the rear side of the lower rotating frame (12). The fixed frame (11) is provided with an adjustment mechanism (3), which includes an adjustment motor (31). The right side of the adjustment motor (31) is fixedly connected to the left side of the fixed frame (11).
2. The edge-cutting disc shear installation structure of a pickling and rolling mill unit according to claim 1, characterized in that: The drive motor (21) has a transmission shaft (22) fixedly connected to the middle of its front side. The front end of the transmission shaft (22) passes through the rear side wall of the lower rotating frame (12) and is fixedly connected to a main gear (23). A secondary gear (24) is meshed above the main gear (23). The axle of the secondary gear (24) is movably connected to the right side of the inner wall of the upper rotating frame (14).
3. The edge-cutting disc shear installation structure of a pickling and rolling mill unit according to claim 2, characterized in that: The main gear (23) is meshed with a first drive gear (25) on its left side. The rear side of the first drive gear (25) is movably connected to the left side of the inner wall of the lower rotating frame (12). The front middle of the first drive gear (25) is fixedly connected to a first drive shaft (26). The front end of the first drive shaft (26) passes through the lower rotating frame (12) and is fixedly connected to the rear middle of the lower shearing disc (13).
4. The edge-cutting disc shear installation structure of a pickling and rolling mill unit according to claim 2, characterized in that: The left side of the auxiliary gear (24) is meshed with a second drive gear (27). The rear side of the second drive gear (27) is movably connected to the left side of the inner wall of the upper rotating frame (14). The front middle of the second drive gear (27) is fixedly connected to a second drive shaft (28). The front end of the second drive shaft (28) passes through the upper rotating frame (14) and is fixedly connected to the rear middle of the upper shearing disc (15).
5. The edge-cutting disc shear installation structure of a pickling and rolling mill unit according to claim 1, characterized in that: An adjusting screw (32) is fixedly connected to the middle right side of the adjusting motor (31). The right end of the adjusting screw (32) is movably connected to the right side of the inner wall of the fixing frame (11). An adjusting sleeve (33) is threadedly connected to the left side of the outer wall of the adjusting screw (32).
6. The edge-cutting disc shear installation structure of a pickling and rolling mill unit according to claim 5, characterized in that: A pair of traction rods (34) are movably connected to both sides of the outer wall of the adjusting screw sleeve (33), and the other end of the traction rods (34) is movably connected to the rear side of the lower rotating frame (12) and the upper rotating frame (14), respectively.
Citation Information
Patent Citations
Trimming circle shear mounting structure of pickling rolling unit
CN215998890U