Plate shearing device for metal machining

By designing a shearing device with adjustable and fixed components, multi-angle adjustment and fixation of the shearing blades were achieved, solving the problem that existing devices could not adapt to the diverse needs of metal sheets, improving processing efficiency and precision, and reducing scrap rate.

CN223946937UActive Publication Date: 2026-02-27HUBEI JINGZHENGYUAN MECHANICAL & ELECTRICAL EQUIPMENT CO LTD
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Patent Information

Application Number
CN202520579802.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-02-27
Estimated Expiration
2035-03-31

AI Technical Summary

Technical Problem

Existing metal processing shearing devices cannot precisely adjust the angle of the shearing blade, making them unsuitable for metal sheets of different thicknesses, materials, and diverse shapes. This results in quality problems such as uneven cuts, burrs, and deformation of sheet edges, which particularly affects product quality and performance in high-precision processing scenarios.

Method used

A shearing device including an adjustment component and a fixing component was designed. The adjustment component enables multi-angle adjustment of the shearing blade, and precise adjustment is achieved by using bevel gear transmission and a scale needle. The fixing component fixes the angle of the shearing blade through a plate and rod structure to ensure that the angle does not change during the shearing process.

Benefits of technology

It enables precise adjustment of the shearing blade angle, improves processing efficiency, reduces scrap rate and rework, ensures shearing accuracy and stability, and adapts to diverse metal sheet requirements.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of plate shearing devices, in particular to a plate shearing device for metal processing, which comprises a plate shearing machine, a telescopic cylinder is fixedly mounted at the top of the plate shearing machine, a plate shearing knife is arranged at the bottom of the telescopic cylinder, and a rocker is manually controlled to drive a control rod and a movable rod to rotate through an adjusting component. When the movable rod rotates, the connecting frame can be driven to swing front and back, the angle of the plate shearing knife can be adjusted front and back, when the other set of rockers is controlled to drive the control rod to rotate, the movable shaft and the first bevel gear can be driven to rotate, and when the first bevel gear rotates to drive the second bevel gear to rotate, the angle of the plate shearing knife can be adjusted. And when the second bevel gear rotates, a rotating rod and a plate shearing cutter fixed to the bottom can be driven to rotate, so that the rotating angle of the plate shearing cutter is adjusted, metal plates with different requirements can be sheared, the situation that shearing waste products are generated due to the fact that the requirements of different plates cannot be accurately met is prevented, the machining efficiency is improved, and the rework rate and the rejection rate are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to plate shearing device technical field, specifically is a plate shearing device for metal processing. BACKGROUND

[0002] In modern manufacturing industry, metal processing field occupies the vital position, and widely involves automobile manufacturing, mechanical equipment, building, electronic appliance and many other industries. And plate shearing as one of the basic processes of metal processing, its purpose is to cut the big metal plate into the appropriate small piece according to the specific size, shape and angle requirement, so that subsequent further processing operation such as stamping, bending, welding, directly influences the quality and production efficiency of final product.

[0003] But the plate shearing device for metal processing when using, its plate shearing knife mostly adopts fixed angle setting or can only carry out simple limited angle adjustment. Face different thickness, material and the metal plate with diversified shape demand, this fixed or limited adjustment mode is difficult to meet the accurate shearing angle requirement, when processing some sheet metal parts with special angle requirement, or cutting the sheet to avoid excessive deformation, the angle of the existing plate shearing knife cannot be adapted, limits its adaptability to different processing demand, because the angle of the plate shearing knife cannot be accurately adjusted, when cutting the metal plate, often there are quality problems such as uneven cut, burr, serious deformation of plate edge. Especially for some high-precision metal processing scene, such as the plate processing of aerospace parts, precision electronic equipment shell, these quality defects can cause the processed plate to not meet the assembly, use requirements of subsequent process, and then affect the quality and performance of the whole product. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a plate shearing device for metal processing, which solves the problem of the existing plate shearing device for metal processing that uses fixed angle setting or can only carry out simple limited angle adjustment, and the angle of the plate shearing knife cannot be adapted to face different and various metal plate cutting requirements.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A plate shearing device for metal processing includes a plate shearing machine, a telescopic air cylinder is fixedly installed on the top of the plate shearing machine, and a plate shearing knife is arranged at the bottom of the telescopic air cylinder.

[0007] It also includes an adjusting assembly for adjusting the angle of the plate shearing knife.

[0008] A fixing assembly is used to limit the adjusted angle.

[0009] The adjusting assembly comprises a fixing frame fixedly installed on the surface of the telescopic air cylinder, one end of the fixing frame being rotatably connected with a movable rod, the surface of the movable rod being fixedly installed with a connecting frame, the bottom of the connecting frame being rotatably connected with a rotating rod, and the shearing blade being fixedly installed at the bottom of the rotating rod.

[0010] Preferably, the other end of the fixing frame is rotatably connected with a movable shaft, the surface of the movable shaft being sleeved with the movable rod, the surface of the movable shaft being fixedly installed with a conical gear one, the bottom of the conical gear one being engaged with a conical gear two, and the conical gear two being fixedly installed at the top of the rotating rod.

[0011] Preferably, the bottom of the connecting frame is fixedly installed with a positioning shaft, the surface of the positioning shaft being fixedly installed with a scale ring one, and the surface of the rotating rod being fixedly installed with a scale needle one.

[0012] Preferably, the bottom of the fixing frame is fixedly installed with a scale ring two, and the surface of the movable rod is fixedly installed with a scale needle two.

[0013] Preferably, the fixing assembly comprises a telescopic rod fixedly installed on the outer wall of the fixing frame, the surface of the telescopic rod being fixedly installed with an insertion plate, the surface of the insertion plate being hingedly connected with an insertion rod, the inner side of the insertion rod being fixedly installed with a torsional spring, and the outer wall of the fixing frame being fixedly installed with a positioning block.

[0014] Preferably, the surface of the telescopic rod is rotatably connected with a control rod, the control rod being provided with two groups, and the two groups of control rods being symmetrically arranged with the center line of the fixing frame as the axis of symmetry, the surface of the control rod being fixedly installed with an internal toothed disc, and the surface of the internal toothed disc being fixedly installed with a rocker.

[0015] Preferably, the telescopic rod is slidably connected with an insertion shaft inside, and the surface of the insertion shaft is fixedly installed with a positioning strip.

[0016] By means of the above technical scheme, the shearing device for metal processing is provided.

[0017] (1) The shearing device for metal processing is provided.

[0018] (2) The utility model discloses a fixed assembly's setting, when the angle of the plate shearing cutter is adjusted, the plug -in axle of the top of the positioning strip is inserted in the inside of the internal tooth disc and is limited, when the plug -in axle moves, the telescopic rod is also driven to contract, when the telescopic rod contracts, the plug -in plate of the top and the plug -in rod are penetrated fixed block, when the plug -in rod penetrates fixed block, the plug -in rod is reset under the action of torsion spring, so that the plug -in rod expands outward and is fixed in the inside of fixed block, thereby preventing the angle of the plate shearing cutter from changing unexpectedly during shearing, and improving the stability and fixing effect of shearing accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings, which are included to provide a further understanding of the utility model, form a part of the application and are incorporated herein to illustrate the utility model:

[0020] Figure 1 It is the whole front view structure schematic diagram of the utility model;

[0021] Figure 2 It is the front view structure schematic diagram of the plate shearing cutter in the utility model;

[0022] Figure 3 It is the front view structure schematic diagram of the adjusting group in the utility model;

[0023] Figure 4 It is the front view structure schematic diagram of the fixed assembly in the utility model;

[0024] Figure 5 It is the front view structure schematic diagram of the internal tooth disc in the utility model.

[0025] In the drawing: 1, plate shearing machine;2, telescopic cylinder;3, plate shearing cutter;4, adjusting assembly;41, fixed frame;42, movable rod;43, connecting frame;44, rotating rod;45, movable shaft;46, bevel gear one;47, bevel gear two;48, positioning shaft;49, scale ring one;410, scale needle one;411, scale ring two;412, scale needle two;5, fixed assembly;51, telescopic rod;52, plug -in plate;53, plug -in rod;54, torsion spring;55, fixed block;56, control rod;57, internal tooth disc;58, rocker;59, plug -in axle;510, positioning strip. DETAILED DESCRIPTION

[0026] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0027] Embodiment 1

[0028] A plate shearing device for metal processing, as shown in the figure, comprising a plate shearing machine 1, a telescopic cylinder 2 is fixedly installed on the top of the plate shearing machine 1, and a plate shearing knife 3 is arranged at the bottom of the telescopic cylinder 2. Figures 1-3

[0029] Further comprising an adjusting assembly 4 for adjusting the angle of the plate shearing knife 3.

[0030] A fixing assembly 5 for limiting the adjusted angle.

[0031] Firstly, the adjusting assembly 4 comprises a fixed frame 41 fixedly installed on the surface of the telescopic cylinder 2, a movable rod 42 rotatably connected to one end of the fixed frame 41, a connecting frame 43 fixedly installed on the surface of the movable rod 42, a rotating rod 44 rotatably connected to the bottom of the connecting frame 43, and the plate shearing knife 3 fixedly installed at the bottom of the rotating rod 44. The connecting frame 43 can be swung forward and backward by the movable rod 42 to adjust the angle of the plate shearing knife 3 forward and backward.

[0032] Secondly, a movable shaft 45 is rotatably connected to the other end of the fixed frame 41, the movable shaft 45 is sleeved on the surface of the movable rod 42, a conical gear one 46 is fixedly installed on the surface of the movable shaft 45, a conical gear two 47 is engaged at the bottom of the conical gear one 46, and the conical gear two 47 is fixedly installed at the top of the rotating rod 44. The conical gear one 46 can drive the conical gear two 47 engaged at the bottom to rotate when the conical gear one 46 rotates, and the rotating rod 44 and the plate shearing knife 3 fixedly installed at the bottom can rotate when the conical gear two 47 rotates, so as to adjust the rotating angle of the plate shearing knife 3.

[0033] Further, a positioning shaft 48 is fixedly installed at the bottom of the connecting frame 43, a scale ring one 49 is fixedly installed on the surface of the positioning shaft 48, a scale needle one 410 is fixedly installed on the surface of the rotating rod 44, a scale ring two 411 is fixedly installed at the bottom of the fixed frame 41, and a scale needle two 412 is fixedly installed on the surface of the movable rod 42. When adjusting, the scale needle one 410 and the scale needle two 412 in rotation can be used to accurately adjust the surface of the scale ring one 49 and the scale ring two 411.

[0034] ​In this embodiment, by adjusting the setting of the assembly 4, the rocker 58 is manually controlled to drive the rotation of the movable control rod 56 and the movable rod 42. When the movable rod 42 rotates, it drives the front and rear swinging of the connecting frame 43, and adjusts the angle of the shearing blade 3. When another set of rockers 58 is controlled to drive the rotation of the movable control rod 56, it drives the rotation of the movable shaft 45 and the conical gear one 46. When the conical gear one 46 rotates, it drives the rotation of the conical gear two 47. When the conical gear two 47 rotates, it drives the rotation of the rotating rod 44 and the bottom fixed shearing blade 3, thereby adjusting the rotation angle of the shearing blade 3. It can cut different requirements of metal plates, prevent the generation of shearing waste due to the inability to accurately adapt to different plate requirements, improve the processing efficiency, and reduce the rework and scrap rate.

[0035] Embodiment 2

[0036] As shown in Figures 4-5 The fixed assembly 5 includes a telescopic rod 51 fixedly installed on the outer wall of the fixed frame 41. The surface of the telescopic rod 51 is fixedly installed with a plug plate 52. The plug plate 52 is hingedly connected with a plug rod 53. The plug rod 53 is fixedly installed with a torsional spring 54 on the inner side. The outer wall of the fixed frame 41 is fixedly installed with a positioning block 55.

[0037] Further, the surface of the telescopic rod 51 is rotatably connected with a control rod 56. The control rod 56 is provided in two sets, and the two sets of control rods 56 are symmetrically arranged with the center line of the fixed frame 41 as the axis of symmetry. The surface of the control rod 56 is fixedly installed with an internal tooth disc 57. The internal tooth disc 57 is fixedly installed with a rocker 58. When the two sets of control rods 56 rotate, the rotation of the movable shaft 45 and the movable rod 42 can be controlled respectively.

[0038] Finally, the telescopic rod 51 is slidably connected with a plug shaft 59. The surface of the plug shaft 59 is fixedly installed with a positioning strip 510. The plug shaft 59 can be fixedly installed in the inside of the internal tooth disc 57 by sliding the positioning strip 510 on the surface of the plug shaft 59.

[0039] In this embodiment, when the angle adjustment of the shearing blade 3 is completed, the plug shaft 59 is manually pressed to drive the plug shaft 59 at the top of the positioning strip 510 to be inserted into the inside of the internal tooth disc 57 for limiting. When the plug shaft 59 moves, it also drives the telescopic rod 51 to contract. When the telescopic rod 51 contracts, it drives the plug plate 52 and the plug rod 53 at the top to penetrate the positioning block 55. When the plug rod 53 penetrates the positioning block 55, the plug rod 53 is reset under the action of the torsional spring 54, so that the plug rod 53 expands outward and is clamped on the inner side of the positioning block 55 for fixation. Thus, the angle of the shearing blade 3 is prevented from changing accidentally during shearing, and the stability and fixing effect of shearing precision are improved.

[0040] The utility model discloses a plate shearing device for metal processing can be placed in the inside of plate shearing machine 1 through metal sheet, the fixed frame 41 and the bottom plate shearing knife 3 are brought down to slide through the starting telescopic cylinder 2 to the shearing of metal sheet, when the angle of plate shearing knife 3 needs to be adjusted, the rotation of control rod 56 can be brought down to the rotation of control lever 58 through manual control, when control rod 56 rotates, the rotation of movable rod 42 will be brought down, when movable rod 42 rotates, the front and back swing of connecting frame 43 will be brought down, when connecting frame 43 swings forward and backward, the angle of plate shearing knife 3 will be brought down to adjust, and when the rotation of control rod 56 is brought down to the rotation of movable shaft 45 through the control of another group of control lever 58, when movable shaft 45 rotates, the rotation of bevel gear no. 1 46 will be brought down, when bevel gear no. 1 46 rotates, the rotation of bottom meshing bevel gear no. 2 47 will be brought down, when bevel gear no. 2 47 rotates, the rotation of rotating lever 44 and the bottom fixed plate shearing knife 3 will be brought down, thereby the rotation angle of plate shearing knife 3 is adjusted, when adjusting, the scale needle no. 1 410 and scale needle no. 2 412 in rotation can be specified to carry out accurate adjustment on the surface of scale ring no. 1 49 and scale ring no. 2 411, can cut the metal sheet of different needs, prevent the shearing waste product from producing because of unable accurate adaptation different sheet needs, improve the processing efficiency aspect, reduce rework and scrap rate.

[0041] When the angle adjustment of plate shearing knife 3 is finished, the inside of internal tooth disc 57 can be slid to the inside of positioning strip 510 through the manual pressing of plug shaft 59, so that plug shaft 59 is inserted in the inside of internal tooth disc 57 and is limited, and when plug shaft 59 moves, telescopic rod 51 is also brought down to contract, when telescopic rod 51 contracts, plug plate 52 and plug rod 53 on the top are brought down to penetrate positioning block 55, when plug rod 53 penetrates positioning block 55, positioning block 55 will first extrude plug rod 53, so that plug rod 53 moves to the surface close to plug plate 52, and after plug rod 53 penetrates positioning block 55, plug rod 53 is reset under the action of torsional spring 54, so that plug rod 53 expands outward and is clamped in the inside of positioning block 55 to be fixed, thereby preventing the angle of plate shearing knife 3 from changing accidentally in the shearing process, and improving the stability and fixing effect of shearing precision.

[0042] It should be noted that in this text, relational terms such as first and second and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying that there is any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus that includes a list of elements does not only include those elements, but also includes other elements not explicitly listed, or inherent to such process, method, article, or apparatus.

[0043] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A shearing device for metal processing, comprising a shearing machine (1), characterized in that: The shearing machine (1) is fixedly installed with a telescopic cylinder (2) at the top, and a shearing blade (3) is provided at the bottom of the telescopic cylinder (2); It also includes an adjustment component (4) for adjusting the angle of the shear blade (3); Fixing component (5) is used to limit the adjusted angle; The adjustment component (4) includes: a fixed frame (41), which is fixedly installed on the surface of the telescopic cylinder (2), a movable rod (42) is rotatably connected to one end of the fixed frame (41), a connecting frame (43) is fixedly installed on the surface of the movable rod (42), a rotating rod (44) is rotatably connected to the bottom of the connecting frame (43), and the shearing blade (3) is fixedly installed at the bottom of the rotating rod (44).

2. The metalworking shearing device according to claim 1, characterized in that: The other end of the fixed frame (41) is rotatably connected to a movable shaft (45). The movable shaft (45) is sleeved on the surface of the movable rod (42). A bevel gear one (46) is fixedly installed on the surface of the movable shaft (45). A bevel gear two (47) meshes with the bottom of the bevel gear one (46). The bevel gear two (47) is fixedly installed on the top of the rotating rod (44).

3. The metalworking shearing device according to claim 1, characterized in that: The bottom of the connecting frame (43) is fixedly installed with a positioning shaft (48), a scale ring (49) is fixedly installed on the surface of the positioning shaft (48), and a scale needle (410) is fixedly installed on the surface of the rotating rod (44).

4. The metalworking shearing device according to claim 1, characterized in that: A second scale ring (411) is fixedly installed at the bottom of the fixed frame (41), and a second scale needle (412) is fixedly installed on the surface of the movable rod (42).

5. A shearing device for metal processing according to claim 1, characterized in that: The fixing component (5) includes: a telescopic rod (51), which is fixedly installed on the outer wall of the fixing frame (41), a plate (52) is fixedly installed on the surface of the telescopic rod (51), a rod (53) is hinged to the surface of the plate (52), a torsion spring (54) is fixedly installed on the inner side of the rod (53), and a positioning block (55) is fixedly installed on the outer wall of the fixing frame (41).

6. A shearing device for metal processing according to claim 5, characterized in that: The surface of the telescopic rod (51) is rotatably connected to a control rod (56). There are two sets of control rods (56), and both sets of control rods (56) are symmetrically arranged with the center line of the fixed frame (41) as the axis of symmetry. An internal gear plate (57) is fixedly installed on the surface of the control rod (56), and a rocker arm (58) is fixedly installed on the surface of the internal gear plate (57).

7. A shearing device for metal processing according to claim 5, characterized in that: The telescopic rod (51) is internally slidably connected to a shaft (59), and a positioning strip (510) is fixedly installed on the surface of the shaft (59).