Shearing device for automobile metal plate machining

By combining the shearing mechanism and the sheet metal pressing component, stable shearing of metal sheets and precise adjustment of blade height are achieved, solving the problems of sheet metal vibration and blade adaptability, and improving shearing efficiency and accuracy.

CN223946930UActive Publication Date: 2026-02-27WUHU SUNVOUR DIE CASTING
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Patent Information

Application Number
CN202520637340.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-02-27
Estimated Expiration
2035-04-07

AI Technical Summary

Technical Problem

Traditional metal sheet shearing equipment suffers from uneven cuts due to sheet vibration or misalignment, and the fixed blade height is difficult to adapt to the cutting needs of sheets of different thicknesses, requiring frequent blade replacements.

Method used

It adopts a shearing mechanism combined with a plate pressing component, and uses a centimeter-level adjustable blade structure to adapt to plates of different thicknesses. It achieves stable shearing through a transmission component, is equipped with a plate pressing device to suppress vibration, and a limiting component to ensure the stability of the plate position.

Benefits of technology

Shearing efficiency is improved by more than 40%, cut unevenness is ≤0.1mm, blade height adjustment accuracy is ±0.5cm, it is suitable for 1-50mm thick boards, and the board shearing offset is reduced by 90%.

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Abstract

The utility model discloses a shearing device for processing automobile metal plates, which belongs to the technical field of metal plate processing equipment and comprises a base, a mounting plate is fixedly connected to the upper end of the base, two eccentric bearings which are vertically arranged in a mirroring manner are rotatably connected to the end face of one side of the mounting plate, and shaft sleeves are movably connected to the outer ends of the eccentric bearings. Two limiting assemblies are installed at the side end of the installation plate and used for limiting the position of the linear motion stroke of the shaft sleeves, a transmission assembly is installed on the end face of the other side of the installation plate and used for achieving rotary motion transmission of the eccentric bearing, and a shearing table is fixedly connected to the side end of the installation plate and located between the upper inner wall and the lower inner wall of the two shaft sleeves. A shearing hole is formed in one end of the shearing table, a shearing assembly is installed at the outer end of the shaft sleeve and located on the outer side of the shearing hole, stable shearing is achieved through the combination of the shearing mechanism and the plate abutting assembly, and the plate shearing device adapts to plates of different thicknesses through a centimeter-level adjustable blade structure.
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Description

TECHNICAL FIELD

[0001] The utility model relates to metal sheet processing equipment technical field more specifically, relate to a kind of metal sheet shearing equipment with plate stable pressure function, blade height adjustable. BACKGROUND

[0002] Metal sheet shearing machine belongs to the conventional equipment of automobile metal sheet processing, mainly using blade reciprocating linear motion to another blade to cut metal sheet, is the key process in sheet processing, but traditional shearing equipment still has the following problems:

[0003] 1, plate is easy to vibrate or deviate during shearing process, resulting in uneven cut;

[0004] 2, fixed height of blade is difficult to adapt to the cutting needs of different thickness plates, and tool needs to be frequently replaced.

[0005] Therefore, an equipment capable of self-adaptive adjustment of blade height, stable plate and high shearing precision is needed. INVENTION CONTENTS

[0006] 1. The technical problem to be solved:

[0007] In view of the problems existing in the prior art, the purpose of the utility model is to provide a shearing device for automobile metal sheet processing, which realizes stable shearing by combining the shearing mechanism with the plate pressing assembly, and adapts to different thickness plates by using the centimeter-level adjustable blade structure.

[0008] 2. Technical scheme:

[0009] To solve the above problems, the utility model adopts the following technical scheme.

[0010] A shearing device for automobile metal sheet processing, comprising a base, the upper end of the base is fixedly connected with a mounting plate, the side end face of the mounting plate is rotatably connected with two upper and lower mirror image eccentric bearings, the outer end of the eccentric bearing is movably connected with a shaft sleeve, the side end of the mounting plate is provided with two limiting assemblies for limiting the linear motion stroke of the shaft sleeve, the other side end face of the mounting plate is provided with a transmission assembly for realizing the rotation motion transmission of the eccentric bearing, the side end of the mounting plate is fixedly connected with a shearing table, the shearing table is located between the upper and lower inner walls of the two shaft sleeves, one end of the shearing table is provided with a shearing hole, the outer end of the shaft sleeve is provided with a shearing assembly, and the shearing assembly is located outside the shearing hole.

[0011] Further improvement lies in that the limiting assembly comprises a limiting sleeve fixedly connected to the side end of the mounting plate, an outer end of the limiting sleeve is inserted with a limiting shaft, an outer end of the limiting shaft is fixedly connected with an axial limiting flange, and a side end of the axial limiting flange is sleeved with a limiting clamp.

[0012] Further improvement lies in that the shearing assembly comprises a supporting seat fixedly connected to the other side end of the shaft sleeve, a side end of the supporting seat is provided with a mounting hole, the mounting hole is provided with a tool holder between inner walls of the mounting hole, a bottom of the tool holder is provided with a blade, a limiting hole is formed in the inner wall of the mounting hole, a side end of the tool holder is fixedly connected with a stud, the stud is located between the inner walls of the limiting hole, an outer end of the stud is sleeved with a backing plate, and an outer end of the backing plate is provided with a nut.

[0013] Further improvement lies in that a side end of the backing plate is fixedly connected with an indicating strip, and a side end of the supporting seat is marked with a size mark.

[0014] Further improvement lies in that the plate pressing assembly comprises a telescopic rod embedded and mounted at the bottom of the upper supporting seat, a telescopic end of the telescopic rod is fixedly connected with a pressing plate, and an outer side of the telescopic end of the telescopic rod is sleeved with a spring.

[0015] Further improvement lies in that the transmission assembly comprises two transmission gears meshing with each other and mounted at the other side end of the mounting plate, an output end of the transmission gear is fixedly connected with a transmission end of the eccentric bearing, a belt pulley one is fixedly connected with the transmission end of the lower transmission gear, an upper end of the base is provided with a driving motor, an output end of the driving motor is fixedly connected with a belt pulley two, and a belt is sleeved between the belt pulley two and the belt pulley one.

[0016] Further improvement lies in that a limiting strip is fixedly connected to the side end of the shearing table.

[0017] 3. Beneficial effects:

[0018] Compared with the prior art, the technical scheme has the following beneficial effects:

[0019] (1) The shearing efficiency is improved by more than 40%, and the notch unevenness is less than or equal to 0.1 mm.

[0020] (2) The adjustment accuracy of the height of the blade is ±0.5 cm, the thickness of the plate material is 1-50 mm, and the disassembly and replacement of the blade are more convenient.

[0021] (3) The plate pressing device can apply a pressure of 5-20 kN to the plate material to be sheared, so as to suppress the vibration of the plate material during shearing, and the offset of the plate material during shearing is reduced by 90%.

[0022] It should be noted that the structures not introduced in the utility model do not involve the design points and improvement direction of the utility model, are the same as the prior art or can be realized by using the prior art, and details are not described here. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a whole structure schematic view of the utility model;

[0024] Figure 2 It is a structure schematic view of the utility model limiting assembly;

[0025] Figure 3 It is a structure schematic view of the utility model shearing assembly;

[0026] Figure 4 It is a structure schematic view of the utility model transmission assembly.

[0027] Mark explanation in the drawing:

[0028] 1, base;2, mounting plate;3, eccentric bearing;4, shaft sleeve;

[0029] 5, limiting assembly;51, limiting sleeve;52, limiting shaft;53, axial limiting flange;54, limiting clamp;

[0030] 6, transmission assembly;61, transmission gear;62, pulley one;63, drive motor;64, pulley two;65, belt;

[0031] 7, shearing table;71, limiting strip;

[0032] 8, shearing hole;

[0033] 9, shearing assembly;91, support seat;92, mounting hole;93, tool holder;94, blade;95, limiting hole;96, stud;97, backing plate;98, indicating strip;911, nut;912, size mark;913, telescopic rod;914, spring;915, pressing plate. DETAILED DESCRIPTION

[0034] In order to facilitate understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings, and the drawings show several embodiments of the utility model, however, the utility model can be realized in many different forms, and is not limited to the embodiments described herein, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0035] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship shown based on the drawings, which is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model indicated or implied by the device or element with a specific orientation, structure and operation, and therefore cannot be understood as limiting the utility model.

[0036] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0037] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing", "provided with", "provided in" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0038] Please refer to Figures 1-4 A shearing device for automobile metal plate processing, including base 1, the upper end of base 1 is fixedly connected with mounting plate 2, one side end surface of mounting plate 2 is rotatably connected with two upper and lower mirror image arranged eccentric bearings 3, the outer end of eccentric bearing 3 is movably connected with shaft sleeve 4, the side end of mounting plate 2 is provided with two limiting assemblies 5, to limit the position of the linear motion stroke of shaft sleeve 4, the other side end surface of mounting plate 2 is provided with transmission assembly 6, to realize the rotation motion transmission of eccentric bearing 3, the side end of mounting plate 2 is fixedly connected with shearing table 7, shearing table 7 is located between the upper and lower inner walls of two shaft sleeves 4, one end of shearing table 7 is provided with shearing hole 8, the outer end of shaft sleeve 4 is provided with shearing assembly 9, shearing assembly 9 is located on the outer side of shearing hole 8.

[0039] More specifically: the shearing assembly 9 includes a support seat 91 fixedly connected to the other side end of the shaft sleeve 4, a mounting hole 92 is formed in the side end of the support seat 91, a tool holder 93 is arranged between the inner walls of the mounting hole 92, a blade 94 is mounted at the bottom of the tool holder 93, a limiting hole 95 is formed in the inner wall of the mounting hole 92, a stud 96 is fixedly connected to the side end of the tool holder 93, the stud 96 is located between the inner walls of the limiting hole 95, a backing plate 97 is sleeved on the outer end of the stud 96, and a screw nut 911 is mounted on the outer end of the backing plate 97.

[0040] More specifically: the side end of the backing plate 97 is fixedly connected with an indicating strip 98, and the side end of the support seat 91 is marked with a size mark 912.

[0041] More specifically: the plate pressing assembly includes a telescopic rod 913 embedded and mounted at the bottom of the upper support seat 91, a pressing plate 915 is fixedly connected to the telescopic end of the telescopic rod 913, and a spring 914 is sleeved on the outer side of the telescopic end of the telescopic rod 913.

[0042] More specifically: the transmission assembly 6 includes two transmission gears 61 that are meshed with each other and mounted on the other side end of the mounting plate 2, the output end of the transmission gear 61 is fixedly connected with the transmission end of the eccentric bearing 3, the transmission end of the lower transmission gear 61 is fixedly connected with a belt pulley one 62, a drive motor 63 is mounted on the upper end of the base 1, the output end of the drive motor 63 is fixedly connected with a belt pulley two 64, and a belt 65 is sleeved between the belt pulley two 64 and the belt pulley one 62.

[0043] In this scheme, the metal plate shearing equipment includes the following core components:

[0044] The transmission assembly 6 is composed of a drive motor, a transmission gear set and a linked belt pulley set, wherein one transmission gear is fixedly connected with the transmission end of the eccentric bearing 3, and under the operation of the drive motor, the shearing assembly 9 connected with the shaft sleeve 4 can realize continuous dynamic shearing operation at a constant speed and reciprocatingly;

[0045] The plate pressing device is located at the bottom of the upper shearing assembly 9 and includes a telescopic rod 913 and a pressing plate 915.

[0046] The surface of the pressing plate 915 is covered with a rubber anti-skid layer, and under the operation of the transmission assembly 6, the pressing plate 915 passively applies a pressure of 5-20kN to the plate to be sheared downward, so as to suppress the vibration of the plate during shearing and position the sheared plate.

[0047] Blade height adjustment mechanism: the tool rest 93 is freely adjusted at any height between the mounting holes 92, wherein during the adjustment, the indicating strip 98 can be guided by the indication of the size mark 912, and the adjustment accuracy of the blade 94 can be up to ±0.5cm, and the thickness of the plate is adapted to 1-50mm.

[0048] Please refer to Figures 1-2 The limiting assembly 5 comprises a limiting sleeve 51 fixedly connected to the side end of the mounting plate 2, an outer end of the limiting sleeve 51 is inserted with a limiting shaft 52, an outer end of the limiting shaft 52 is fixedly connected with an axial limiting flange 53, a side end of the axial limiting flange 53 is sleeved with a limiting clamp 54, and one end of the limiting clamp 54 is fixedly connected with the shaft sleeve 4.

[0049] In the use process of the scheme, one end of the shaft sleeve 4 is connected with the limiting clamp 54, and the limiting clamp 54 is sleeved in the gap between the axial limiting flange 53, so that the shaft sleeve 4 cannot be synchronously driven under the deflection of the eccentric bearing 3, the reciprocating motion is realized under the condition that the rotating direction is unchanged, and the shearing assembly 9 can be used for shearing the plate.

[0050] Please refer to Figure 1 The side end of the shearing table 7 is fixedly connected with a limiting strip 71.

[0051] In the use process of the scheme, the limiting strip 71 is arranged, so that the plate can be limited by the limiting strip 71 during conveying, and the phenomenon of position deviation during plate conveying is avoided.

[0052] In the utility model, the specific implementation steps are as follows:

[0053] Firstly, the plate is conveyed from the upper end of the shearing table 7, and the plate side is limited by the limiting strip 71, and then the transmission assembly 6 is synchronously operated with the conveying of the plate;

[0054] The driving motor 63 synchronously drives the rotating of the belt pulley two 64, and due to the linkage of the belt 65, the two transmission gears 61 meshing with each other are driven, so that the two eccentric bearings 3 connected with the other end are synchronously operated, so that the shaft sleeve 4 and the shearing assembly 9 connected outside realize the constant-speed and reciprocating flying shear operation, and the shearing of the plate is realized.

[0055] During the shearing of the plate, the personnel can preselect according to the size of the plate, adjust the position of the tool rest 93 between the inner walls of the mounting holes 92, and when the indicating strip 98 points to the size mark 912 of the appropriate position, the personnel can rotate the nut 911, so as to realize the positioning of the tool rest 93 in the mounting hole 92.

[0056] Meanwhile, the blade 94 is pressed against the plate 915 to contact the surface of the plate material at first, and with the pressing force of the downward movement, the telescopic end of the telescopic rod 913 is continuously received into the receiving cylinder embedded in the mounting hole 92, and at the same time, the spring 914 is pressed, so that the blade 94 can keep the plate material more stable during shearing.

[0057] The above-described embodiments only express certain implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the patent scope of the present application; it should be pointed out that, for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application; therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A shearing device for processing automobile metal plates, comprising a base (1), characterized in that: The upper end of the base (1) is fixedly connected with a mounting plate (2), one side end face of the mounting plate (2) is rotatably connected with two upper and lower mirror image arranged eccentric bearings (3), the outer end of the eccentric bearing (3) is movably connected with a shaft sleeve (4), the side end of the mounting plate (2) is provided with two limiting assemblies (5) for limiting the linear motion stroke of the shaft sleeve (4), the other side end face of the mounting plate (2) is provided with a transmission assembly (6) for realizing the rotation motion transmission of the eccentric bearing (3), the side end of the mounting plate (2) is fixedly connected with a shearing table (7), the shearing table (7) is located between the upper and lower inner walls of the two shaft sleeves (4), one end of the shearing table (7) is provided with a shearing hole (8), the outer end of the shaft sleeve (4) is provided with a shearing assembly (9), and the shearing assembly (9) is located outside the shearing hole (8).

2. The shearing device for processing automobile metal plates according to claim 1, characterized in that: The limiting assembly (5) comprises a limiting sleeve (51) fixedly connected with the side end of the mounting plate (2), a limiting shaft (52) inserted into the outer end of the limiting sleeve (51), an axial limiting flange (53) fixedly connected with the outer end of the limiting shaft (52), and a limiting clamp (54) sleeved with the side end of the axial limiting flange (53), and the limiting clamp (54) is fixedly connected between one end and the shaft sleeve (4).

3. The shearing device for processing automobile metal plates according to claim 1, characterized in that: The shearing assembly (9) comprises a support seat (91) fixedly connected with the other side end of the shaft sleeve (4), a mounting hole (92) formed in the side end of the support seat (91), a tool holder (93) arranged between the inner walls of the mounting hole (92), a blade (94) mounted on the bottom of the tool holder (93), a limiting hole (95) formed in the inner wall of the mounting hole (92), a stud (96) fixedly connected with the side end of the tool holder (93), the stud (96) being located between the inner walls of the limiting hole (95), a backing plate (97) sleeved with the outer end of the stud (96), a nut (911) mounted on the outer end of the backing plate (97), and a plate pressing assembly further mounted on the bottom of the upper support seat (91).

4. The shearing device for processing automobile metal plates according to claim 3, characterized in that: The side end of the backing plate (97) is fixedly connected with an indicating strip (98), and the side end of the support seat (91) is marked with a size mark (912).

5. The shearing device for processing of automobile metal sheet material according to claim 3, characterized in that: The plate pressing assembly comprises a telescopic rod (913) embeddedly mounted on the bottom of the upper support seat (91), and a pressing plate (915) fixedly connected with the telescopic end of the telescopic rod (913), and a spring (914) sleeved with the outer side of the telescopic end of the telescopic rod (913).

6. The shearing device for processing of automobile metal sheet material according to claim 1, characterized in that: The transmission assembly (6) comprises two transmission gears (61) rotatably connected with each other and mounted on the other side end of the mounting plate (2), the output end of the transmission gear (61) is fixedly connected with the transmission end of the eccentric bearing (3), the transmission end of the lower transmission gear (61) is fixedly connected with a belt pulley one (62), the upper end of the base (1) is provided with a driving motor (63), the output end of the driving motor (63) is fixedly connected with a belt pulley two (64), and the belt pulley two (64) and the belt pulley one (62) are sleeved with a belt (65).

7. The shearing device for processing of automobile metal sheet material according to claim 1, characterized in that: The side end of the shearing table (7) is fixedly connected with a limiting strip (71).