Shearing machine for cold-rolled steel sheet
By combining the hydraulic cylinder push plate and clamping assembly, the cylinder-driven feeding roller and the correction device, the problem of steel plate slippage and offset in the cold rolling shearing machine is solved, realizing high-precision and stable steel plate shearing, and improving processing quality and efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-29
- Publication Date
- 2026-04-10
AI Technical Summary
Existing cold rolling shearing machines suffer from problems such as slippage leading to burrs or warping, uneven cuts, and steel plate misalignment during the steel plate shearing process, which affect processing accuracy and efficiency.
The steel plate is fixed by a hydraulic cylinder driving the push plate and clamping assembly, and the feeding roller is adjusted by a pneumatic cylinder to adjust the spacing and the correction device to ensure stable conveying. Combined with the contact between the roller and the material to reduce friction, the steel plate is stably clamped and positioned.
It effectively prevents steel plate slippage and displacement, ensures cut quality, improves shearing accuracy and efficiency, and reduces the risk of surface scratches and deformation.
Smart Images
Figure CN224101916U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of cold rolling shearing machine especially to a shearing machine for cold rolled steel plate. BACKGROUND
[0002] In the field of metal processing, cold rolled steel plate is widely used in automobile manufacturing, household appliance production and building structure due to its excellent surface finish and dimensional accuracy. As one of the core processes of steel plate processing, the precision and efficiency of shearing directly affect the yield of subsequent stamping, welding and other processes.
[0003] The current cold rolling shearing machine still has many defects such as: the steel plate slips during shearing due to not being fixed, resulting in burrs or local warping at the edge of the cut, which manifests as irregular ridges or buckling, uneven distribution of shearing force causes metal layer dislocation at the cut, forming horizontal fine lines or block-shaped indentation similar to "lifted lines", and wide steel plate may have unstable feeding risk during shearing, causing the steel plate to easily deviate, precision not up to standard, resulting in waste. SUMMARY
[0004] In order to solve the above technical problems, the utility model provides a shearing machine for cold rolled steel plate.
[0005] The shearing machine for cold rolled steel plate provided by the utility model adopts the following technical scheme:
[0006] A shearing machine for cold rolled steel plate, comprising a feeding mechanism and a shearing mechanism, the shearing mechanism is arranged on one side of the feeding mechanism, the shearing machine comprises a fixing table, a fixing frame, a hydraulic cylinder, a push plate, a cutter and a pressing assembly, the fixing table is arranged on one side of the feeding mechanism, the fixing frame is arranged on the fixing table, the hydraulic cylinder is fixedly connected to the fixing frame, the output end of the hydraulic cylinder is connected to the push plate, the cutter and the pressing assembly are both arranged at the bottom of the push plate, the pressing assembly is arranged on one side of the cutter, the pressing assembly specifically comprises a guide rod, a spring, a pressing plate and a limiting piece, a guide groove is formed in the push plate, the guide rod slides in the guide groove, the top of the guide rod is connected to the limiting piece, the bottom of the guide rod is connected to the pressing plate, the spring is arranged outside the guide rod, the lower end of the spring abuts against the pressing plate, and the top end of the spring abuts against the push plate.
[0007] Preferably, the pressing assembly is provided with two groups, and the two groups of pressing assemblies are arranged on both sides of the cutter.
[0008] Preferably, the feeding mechanism comprises a feeding table, feeding rollers, a driver, a plurality of the feeding rollers are rotationally connected to the feeding table, the driver drives the feeding rollers to rotate, and an adjustable driven roller set is arranged on the feeding table.
[0009] Preferably, the driven roller comprises a roller body and a rotating shaft, the two ends of the roller body are connected with the bearing seat through the rotating shaft, a synchronous plate is arranged on the rotating shaft, the two synchronous plates are parallel to the length direction of the feeding table, and a plurality of driven rollers are rotationally connected to the synchronous plates.
[0010] Preferably, the driven roller and the feeding roller on the feeding table are one-to-one corresponding in up-down position.
[0011] Preferably, the feeding table is further provided with a deviation rectifying device on both sides, the deviation rectifying device comprises a fixed plate, a second air cylinder, a connecting frame and a roller, the fixed plate is arranged on both sides of the feeding table respectively, the second air cylinder is horizontally arranged on the fixed plate, the output end of the second air cylinder is fixedly connected with the connecting frame, and the roller is rotationally connected to the connecting frame.
[0012] In summary, the utility model has at least one of the following beneficial technical effects:
[0013] 1. When the hydraulic cylinder drives the push plate to move downwards, the cutter and the pressing plate are both moved downwards, the pressing plate first abuts against the steel plate, the guide rod on the pressing plate remains stationary, and the push plate continuously extrudes the spring, the force of the spring on the pressing plate forms the abutting of the steel plate, so that when the cutter performs the cutting action, the two sides of the steel plate below the cutter are in the pressing state, the sliding of the steel plate due to the lack of fixation is prevented, and burrs or local warping of the cutting edge are caused.
[0014] 2. The first air cylinder drives the bearing seat to move vertically, dynamically adjusts the distance between the driven roller and the feeding roller, ensures the stable clamping force of the material with different thicknesses, avoids the material slipping or deviating due to uneven pressure, the synchronous plate and the feeding roller are strictly corresponding in up-down position, a plurality of synchronous transmission units are formed, and conveying stress is effectively dispersed.
[0015] 3. The second air cylinder drives the connecting frame to move laterally, and drives the roller to dynamically push or limit the conveying belt or the edge of the plate, ensures that the material travels along the preset track, prevents the steel plate from deviating and stopping for manual correction, and the roller is rotationally connected, so that when the roller contacts the material, the rolling friction is used instead of the sliding friction, and the risk of surface scratches or deformation is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 is a schematic view of a shearing machine for cold-rolled steel sheets.
[0017] Figure 2 is a schematic view of another side of a shearing machine for cold-rolled steel sheets.
[0018] Figure 3 is Figure 1 is an enlarged view of A in
[0019] BRIEF DESCRIPTION OF DRAWINGS: 1, feeding mechanism; 11, feeding table; 12, feeding roller; 2, shearing mechanism; 21, fixed table; 22, fixed frame; 23, hydraulic cylinder; 24, push plate; 25, cutter; 26, pressing assembly; 261, guide rod; 262, spring; 263, pressing plate; 264, limiting piece; 3, adjustable driven roller set; 31, connecting seat; 32, air cylinder one; 33, bearing seat; 34, sliding block; 35, driven roller; 36, synchronization plate; 4, deviation rectifying device; 41, fixed plate; 42, air cylinder two; 43, connecting frame; 44, roller. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0021] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0022] In addition, the meaning of "several" is at least two, such as two, three, etc., unless otherwise explicitly and specifically limited.
[0023] The embodiments of the present application disclose a shearing machine for cold-rolled steel sheets. Referring to Figures 1-3The utility model provides a kind of shearing machine for cold-rolled steel sheet, including feeding mechanism 1, shearing mechanism 2, shearing mechanism 2 is arranged in one side of feeding mechanism 1, and shearing machine includes fixed platform 21, fixed frame 22, hydraulic cylinder 23, push plate 24, cutting knife 25 and compression assembly 26, fixed platform 21 is arranged in one side of feeding mechanism 1, fixed frame 22 is arranged on fixed platform 21, hydraulic cylinder 23 is fixedly connected on fixed frame 22, the output end of hydraulic cylinder 23 is connected push plate 24, cutting knife 25 and compression assembly 26 are all arranged in the bottom of push plate 24, compression assembly 26 is provided with two groups, compression assembly 26 is arranged in the two sides of cutting knife 25, and compression assembly 26 specifically includes guide rod 261, spring 262, pressing plate 263 and limit piece 264, guide slot is opened in push plate 24, guide rod 261 slides in guide slot, the top of guide rod 261 is connected limit piece 264, the bottom of guide rod 261 is connected pressing plate 263, spring 262 is arranged outside guide rod 261, the lower end of spring 262 abuts against pressing plate 263, the top end of spring 262 abuts against push plate 24, when hydraulic cylinder 23 drives push plate 24 to move downwards, cutting knife 25 and pressing plate 263 all move downwards, pressing plate 263 first abuts against steel sheet, and guide rod 261 on pressing plate 263 remains stationary, and push plate 24 constantly extrudes spring 262, and the force of spring 262 to pressing plate 263 forms the resistance of steel sheet, to make cutting knife 25 when executing cutting action, the two sides of steel sheet below cutting knife 25 are in compression state, prevent steel sheet from sliding when shearing due to not being fixed, cause burr or partial buckling to form on the edge of cut.
[0024] Feeding mechanism 1 includes feeding table 11, feeding roller 12, driver, several feeding rollers 12 are rotatably connected on feeding table 11, the driver drives feeding roller 12 to rotate, and the adjustable driven roller group 3 is arranged on feeding table 11, the adjustable driven roller group 3 includes connecting seat 31, cylinder one 32, bearing seat 33, sliding block 34 and driven roller 35, connecting seat 31 is provided with four groups, four connecting seat 31 is fixedly connected on feeding table 11, cylinder one 32 is arranged on the top of connecting seat 31, the output end of cylinder one 32 is connected bearing seat 33, bearing seat 33 is provided with sliding block 34 on the two sides, sliding block 34 and the inner wall of connecting seat 31 are slidably connected, and the two ends of driven roller 35 are connected with bearing seat 33, and driven roller 35 includes roller body and rotating shaft, the two ends of roller body are connected with bearing seat 33 through rotating shaft, and synchronous plate 36 is arranged on rotating shaft respectively, and the length direction of two synchronous plates 36 is parallel with feeding table 11, a plurality of driven rollers 35 are rotatably connected on synchronous plate 36, and driven roller 35 and feeding roller 12 on feeding table 11 are one-to-one corresponding in up-down position, by this design, cylinder one 32 drives bearing seat 33 to move vertically, and the distance between driven roller 35 and feeding roller 12 is dynamically adjusted, to ensure the stable clamping force for different thickness materials, avoid that material slips or deviates due to uneven pressure, and synchronous plate 36 and feeding roller 12 are strictly corresponding in up-down position, form a plurality of synchronous transmission units, effectively disperse conveying stress.
[0025] The two sides of the feeding table 11 are also provided with deviation rectifying devices 4, the deviation rectifying device 4 comprises a fixed plate 41, a cylinder two 42, a connecting frame 43 and a roller 44, the fixed plate 41 is arranged on the two sides of the feeding table 11 respectively, the cylinder two 42 is horizontally arranged on the fixed plate 41, the output end of the cylinder two 42 is fixedly connected with the connecting frame 43, and the roller 44 is rotatably connected with the connecting frame 43; the cylinder two 42 drives the connecting frame 43 to drive the roller 44 to move transversely, can push or limit the edge of the conveying belt or the plate material dynamically, ensures that the material travels along the preset track, prevents the steel plate from deviating and stops manually, the roller 44 adopts the rotary connection design, and when the roller 44 contacts with the material, the rolling friction is used instead of the sliding friction, so that the surface scratch or deformation risk is reduced.
[0026] The above are preferred embodiments of the utility model, and not limit the protection scope of the utility model, therefore: all equivalent changes made according to the structure, shape, principle of the utility model should be covered in the protection scope of the utility model.
Claims
1. A shearing machine for cold-rolled steel sheets, characterized in that: Including feeding mechanism (1), cutting mechanism (2), the cutting mechanism (2) is arranged in one side of the feeding mechanism (1), the cutting machine includes fixed platform (21), fixed frame (22), hydraulic cylinder (23), push plate (24), cutting knife (25) and compression assembly (26), the fixed platform (21) is arranged in one side of the feeding mechanism (1), the fixed frame (22) is arranged on the fixed platform (21), the hydraulic cylinder (23) is fixedly connected on the fixed frame (22), the output end of the hydraulic cylinder (23) is connected with the push plate (24), the cutting knife (25) and compression assembly (26) are all arranged at the bottom of the push plate (24), the compression assembly (26) is arranged in one side of the cutting knife (25), the compression assembly (26) specifically includes guide rod (261), spring (262), pressing plate (263) and limit sheet (264), the push plate (24) is provided with guide groove, the guide rod (261) slides in the guide groove, the top of the guide rod (261) is connected with the limit sheet (264), the bottom of the guide rod (261) is connected with the pressing plate (263), the spring (262) is arranged outside the guide rod (261), the lower end of the spring (262) abuts against the pressing plate (263), the top end of the spring (262) abuts against the push plate (24).
2. A shearing machine for cold-rolled steel sheets according to claim 1, characterized in that: The compression assembly (26) is provided with two groups, and the two groups of compression assemblies (26) are arranged on both sides of the cutting knife (25).
3. A shearing machine for cold-rolled steel sheets according to claim 1, characterized in that: The feeding mechanism (1) includes feeding table (11), feeding roller (12), driver, a plurality of feeding rollers (12) are rotatably connected on the feeding table (11), the driver drives the feeding roller (12) to rotate, the feeding table (11) is provided with an adjustable driven roller group (3), the adjustable driven roller group (3) includes connecting seat (31), cylinder one (32), bearing seat (33), sliding block (34) and driven roller (35), the connecting seat (31) is provided with four groups, four connecting seats (31) are fixedly connected on the feeding table (11), the cylinder one (32) is arranged on the top of the connecting seat (31), the output end of the cylinder one (32) is connected with the bearing seat (33), the bearing seat (33) is provided with the sliding block (34) on both sides, the sliding block (34) and the inner wall of the connecting seat (31) are slidingly connected, and the two ends of the driven roller (35) are connected with the bearing seat (33).
4. A shearing machine for cold-rolled steel sheets according to claim 3, characterized in that: The driven roller (35) includes a roller body and a rotating shaft, the two ends of the roller body are connected with the bearing seat (33) through the rotating shaft, and a synchronization plate (36) is arranged on the rotating shaft, respectively, two synchronization plates (36) are parallel to the length direction of the feeding table (11), and a plurality of driven rollers (35) are rotatably connected on the synchronization plate (36).
5. A shearing machine for cold-rolled steel sheets according to claim 4, characterized in that: The driven roller (35) and the feeding roller (12) on the feeding table (11) correspond one by one in position.
6. A shearing machine for cold-rolled steel sheets according to claim 4, characterized in that: The two sides of the feeding table (11) are also provided with a deviation rectifying device (4), which comprises a fixed plate (41), a second air cylinder (42), a connecting frame (43) and a roller (44), the fixed plate (41) is arranged on the two sides of the feeding table (11) respectively, the second air cylinder (42) is horizontally arranged on the fixed plate (41), the output end of the second air cylinder (42) is fixedly connected with the connecting frame (43), and the roller (44) is rotatably connected with the connecting frame (43).