Thin plate bending machine

By setting a grinding mechanism in the thin plate bending machine, the burr problem is solved, the bending accuracy and efficiency are improved, the operation is simplified, and the scope of application is expanded.

CN223440760UActive Publication Date: 2025-10-17NANTONG GEMAI CNC MASCH TOOL MFG CO LTD
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Patent Information

Application Number
CN202422500148.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-16
Publication Date
2025-10-17
Estimated Expiration
2034-10-16

AI Technical Summary

Technical Problem

Existing thin plate bending machines are prone to burrs when bending round hole punched plates, resulting in reduced bending accuracy and lack of a grinding mechanism. The operation is cumbersome and the scope of application is small.

Method used

A grinding mechanism is provided in the thin plate bending machine, including a first screw rod, a second screw rod, a grinding wheel and a motor. The thin plate is ground through a limit plate and a clamping mechanism. After grinding, the grinding wheel can be stored in a protective shell to avoid accidental injury to workers.

Benefits of technology

It realizes comprehensive grinding of the edges of thin plates, improves bending accuracy and efficiency, simplifies the operation process, and expands the scope of application.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of bending machines, and discloses a thin plate bending machine which comprises a main body box, a bending knife is arranged on one side of the main body box, a workbench is fixedly installed on one side of the main body box, a lower die corresponding to the bending knife is arranged at the upper end of the workbench, and a polishing mechanism is further arranged on one side of the main body box. And the grinding mechanism comprises first lead screws symmetrically arranged in one side of the main body box, an assembling box fixedly connected with one sides of the first lead screws and a second lead screw rotationally installed in the assembling box, and a grinding wheel is arranged at the bottom end of the second lead screw. Through the arrangement of the limiting plate, the edge of a thin plate firstly makes contact with the limiting plate, the edge of the thin plate is adjusted to the position just making contact with the grinding wheel through the limiting plate, then the first lead screw drives the assembling box to move longitudinally, the second lead screw drives the sliding block to move transversely, and then the sliding block is used in cooperation with the first fixing plate; and then the grinding wheel is driven to transversely move to comprehensively grind the section of the thin plate.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bending machine, concretely to a sheet metal bending machine. BACKGROUND

[0002] Sheet metal bending machine is a kind of equipment for metal processing industry, and its main function is to bend metal sheet by cooperating bending tool with lower die.

[0003] The existing sheet metal bending machine mainly has the following technical defects: when the existing sheet metal bending machine is bent to the round hole punching plate, burrs often appear on the plate cutting surface or plate punching part after shearing or blanking of the round hole punching plate during bending, stress concentration is easy to appear and be broken during bending, burrs can also cause bending precision to reduce during bending, thereby affecting bending efficiency, and the existing sheet metal bending machine does not have polishing mechanism, often needs to polish the round hole punching plate first and then carries out bending work, which brings inconvenience to daily use, thereby causing the problems of small adaptation range and complicated operation. SUMMARY

[0004] The utility model aims at providing a sheet metal bending machine to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a sheet metal bending machine, comprising a main box, the main box side is equipped with bending tool, the main box side is fixedly installed with workbench, the workbench upper end is equipped with the lower die corresponding with bending tool, wherein:

[0006] The main box side is also equipped with polishing mechanism, the polishing mechanism includes the first lead screw that is symmetrically arranged in the main box side, the assembly box that is fixedly connected on the first lead screw side, the second lead screw that is rotatably installed in the assembly box, the grinding wheel that is arranged at the bottom end of the second lead screw;

[0007] The surface of the workbench is provided with a limiting plate.

[0008] Further, the polishing mechanism further includes a first motor symmetrically arranged on the top of the main box, a second motor fixedly installed at one end of the second lead screw in the interior of the assembly box, a first sliding block rotatably installed on the outside of the second lead screw, a first fixed plate fixedly installed on the side of the first sliding block, and a third motor fixedly installed on the inner side of the bottom end of the first fixed plate.

[0009] Further, the output ends of the first motor and the second motor are fixedly connected with one end of the first lead screw and the second lead screw respectively, the output end of the third motor is fixedly connected with one end of the grinding wheel, a second sliding block is rotatably installed on the outside of the first lead screw, and the assembly box can move longitudinally along the first lead screw through the second sliding block. Further, the output ends of the first motor and the second motor are fixedly connected with one end of the first lead screw and the second lead screw respectively, the output end of the third motor is fixedly connected with one end of the grinding wheel, a second sliding block is rotatably installed on the outside of the first lead screw, and the assembly box can move longitudinally along the first lead screw through the second sliding block. Further, the output ends of the first motor and the second motor are fixedly connected with one end of the first lead screw and the second lead screw respectively, the output end of the third motor is fixedly connected with one end of the grinding wheel, a second sliding block is rotatably installed on the outside of the first lead screw, and the assembly box can move longitudinally along the first lead screw through the second sliding block.

[0010] Further, the body box one side inside fixed installation has hydraulic push rod, the hydraulic push rod bottom end is fixedly connected with the upper end of the bending knife.

[0011] Further, the workbench upper end is provided with clamping mechanism symmetrically, the clamping mechanism includes fixed frame fixedly installed on the surface of the workbench, fourth motor is fixedly installed in the fixed frame, third screw rod is fixedly connected to the output end of the fourth motor, clamping block is rotatably installed on the outer side of the third screw rod, and gasket is fixedly installed at the bottom end of the clamping block.

[0012] Further, the workbench surface is provided with uniformly distributed rollers, the second fixed plate is fixedly installed at the bottom of the workbench, electric push rod is symmetrically arranged at the bottom inboard of the second fixed plate, the upper end of the electric push rod is fixedly connected with the limiting plate, the limiting groove is arranged on the surface of the workbench, and the electric push rod can drive the limiting plate to move longitudinally through the limiting groove.

[0013] Further, the control panel is fixedly installed on one side of the main body box, the material baffle is arranged in the main body box, the protective shell is symmetrically arranged on the one side of the main body box, and the protective shell is located on the outer side of the polishing mechanism.

[0014] Compared with the prior art, the thin plate bending machine has the following beneficial effects:

[0015] The thin plate bending machine adjusts the edge of the thin plate to the position in contact with the grinding wheel through the limiting plate, drives the assembly box to move longitudinally through the first screw rod, drives the sliding block to move transversely through the second screw rod, then the grinding wheel moves transversely through the cooperation of the sliding block and the first fixed plate, the cutting surface of the thin plate is polished comprehensively, the grinding wheel component completing the polishing task is stored through the protective shell, the grinding wheel is prevented from being exposed and hurting the worker, and the problems of small adaptation range and complicated operation of the existing bending machine are solved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the main body structure schematic view of the utility model;

[0017] Figure 2 It is the internal structure schematic view of the utility model;

[0018] Figure 3 It is the polishing mechanism structure schematic view of the utility model;

[0019] Figure 4 It is the workbench partial sectional view of the utility model;

[0020] Figure 5 It is the clamping mechanism structure schematic view of the utility model;

[0021] Figure 6 The utility model discloses Figure 5 A partial enlarged view of A.

[0022] In the drawing: 1, main body box, 2, control panel, 3, hydraulic push rod, 4, bending cutter, 5, material baffle, 6, lower mould, 7, polishing mechanism, 71, first motor, 72, first screw rod, 73, assembly box, 74, second motor, 75, second screw rod, 76, first sliding block, 77, first fixed plate, 78, third motor, 79, grinding wheel, 8, workbench, 9, clamping mechanism, 91, fourth motor, 92, third screw rod, 93, clamping block, 94, gasket, 95, fixed frame, 10, roller, 11, limiting plate, 12, electric push rod, 13, second fixed plate, 14, protective shell. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 protection scope of the utility model. EMBODIMENT

[0024] Please refer to Figures 1-6 A sheet bending machine, including main body box 1, the main body box 1 side is equipped with bending cutter 4, the main body box 1 side is fixedly installed with workbench 8, and the workbench 8 upper end is equipped with the lower mould 6 corresponding with bending cutter 4, wherein:

[0025] The main body box 1 side is also equipped with polishing mechanism 7, and the polishing mechanism 7 includes the first screw rod 72 that is symmetrically arranged in the main body box 1 side, the assembly box 73 that is fixedly connected with the first screw rod 72 side, the second screw rod 75 that is rotatably installed in the assembly box 73, and the grinding wheel 79 that is arranged at the bottom end of the second screw rod 75.

[0026] The workbench 8 surface is equipped with limiting plate 11.

[0027] Further, the polishing mechanism 7 also includes the first motor 71 that is symmetrically arranged at the top of the main body box 1, the second motor 74 that is fixedly installed at one end of the second screw rod 75 in the assembly box 73, the first sliding block 76 that is rotatably installed on the outer side of the second screw rod 75, the first fixed plate 77 that is fixedly installed on the side of the first sliding block 76, and the third motor 78 that is fixedly installed at the bottom end of the first fixed plate 77.

[0028] Further, the output ends of the first motor 71 and the second motor 74 are fixedly connected with one ends of the first screw rod 72 and the second screw rod 75 respectively, the output end of the third motor 78 is fixedly connected with one end of the grinding wheel 79, the second sliding block is rotatably installed on the outer side of the first screw rod 72, the assembly box 73 can move longitudinally along with the first screw rod 72 through the second sliding block, the second screw rod 75 drives the grinding wheel 79 to reciprocatingly move transversely through the first sliding block 76, thereby polishing the end surface of the sheet.

[0029] Further, the hydraulic push rod 3 is fixedly installed inside one side of the main box 1, the bottom end of the hydraulic push rod 3 is fixedly connected with the upper end of the bending knife 4, the bending knife 4 is driven by the hydraulic push rod 3 to generate pressure on the sheet, and then the sheet is bent by the lower die 6.

[0030] Further, the clamping mechanism 9 is symmetrically arranged on the upper end of the workbench 8, the clamping mechanism 9 comprises the fixed frame 95 fixedly installed on the surface of the workbench 8, the fourth motor 91 fixedly installed inside the fixed frame 95, the third screw rod 92 fixedly connected with the output end of the fourth motor 91, the clamping block 93 rotatably installed on the outer side of the third screw rod 92, and the gasket 94 fixedly installed on the bottom end of the clamping block 93, the sheet is clamped and fixed by the clamping block 93 to prevent the sheet from moving during polishing, the gasket 94 is arranged on the bottom of the clamping block 93 to prevent the clamping block 93 from scratching the sheet.

[0031] Further, the rollers 10 are evenly distributed on the surface of the workbench 8, the second fixed plate 13 is fixedly installed on the bottom of the workbench 8, the electric push rod 12 is symmetrically arranged on the inner side of the bottom end of the second fixed plate 13, the upper end of the electric push rod 12 is fixedly connected with the limiting plate 11, the limiting groove is arranged on the surface of the workbench 8, the electric push rod 12 can drive the limiting plate 11 to move longitudinally through the limiting groove, and the sheet can be retracted into the limiting groove by the electric push rod 12.

[0032] Further, the control panel 2 is fixedly installed on one side of the main box 1, the sheet stopping plate 5 is arranged inside the main box 1, the protective shell 14 is symmetrically arranged on the one side of the main box 1, and the protective shell 14 is located on the outer side of the polishing mechanism 7.

[0033] The specific use mode and effect of the embodiment are as follows:

[0034] In use, first, the machine is started through the control panel 2, then the round hole punched plate is placed on the rollers 10, when the sheet is transported to the specified position, the electric push rod 12 pushes out the limiting plate 11 to adjust the edge of the sheet to the position just in contact with the grinding wheel 79, then the fourth motor 91 drives the third screw rod 92 to rotate, thereby driving the clamping block 93 to move longitudinally to clamp the sheet, and then the electric push rod 12 drives the limiting plate 11 to retract.

[0035] Furthermore, the first motor 71 drives the first screw rod 72 to rotate, thereby driving the assembly box 73 to move longitudinally. When the assembly box 73 reaches the designated position, the second motor 74 drives the second screw rod 75 to rotate, thereby driving the first fixed plate 77 to move transversely through the first slider 76. Then, the grinding wheel 79 is driven to rotate by the third motor 78 and can move transversely through the first fixed plate 77 to grind the burrs on the cross section of one end of the thin plate. After the grinding is completed;

[0036] Furthermore, the first motor 71 drives the first screw rod 72 to rotate, and then drives the assembly box 73 to move longitudinally, so that it is away from the thin plate to avoid affecting the subsequent bending work. Then the second motor 74 drives the second screw rod 75 to rotate, and then drives the first fixed plate 77 to move horizontally through the first slider 76, and then drives the third motor 78 and the grinding wheel 79 to move horizontally, so that it moves to the inside of the protective shell 14, to avoid the grinding wheel 79 being exposed to the outside and accidentally injuring the staff. Further, the sheet material moves to the bending position, and the bending knife 4 is driven to move longitudinally by the hydraulic push rod 3. The material baffle 5 set inside the main box 1 limits the length of the thin plate to be bent, and then the bending knife 4 cooperates with the lower mold 6 to bend the thin plate to achieve the bending work of the thin plate.

[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sheet metal bending machine, comprising a main body box (1), a bending knife (4) provided on one side of the main body box (1), a workbench (8) fixedly mounted on one side of the main body box (1), a lower die (6) corresponding to the bending knife (4) provided on the upper end of the workbench (8), characterized in that: A grinding mechanism (7) is further provided on one side of the main body box (1), the grinding mechanism (7) comprising a first screw rod (72) symmetrically arranged inside one side of the main body box (1), an assembly box (73) fixedly connected to one side of the first screw rod (72), a second screw rod (75) rotatably installed inside the assembly box (73), and a grinding wheel (79) provided at the bottom end of the second screw rod (75); A limiting plate (11) is provided on the surface of the workbench (8).

2. The sheet metal bending machine according to claim 1, characterized in that: The grinding mechanism (7) further comprises a first motor (71) symmetrically arranged on the top of the main box (1), a second motor (74) fixedly mounted at one end of a second screw rod (75) inside the assembly box (73), a first slider (76) rotatably mounted on the outside of the second screw rod (75), a first fixed plate (77) fixedly mounted on one side of the first slider (76), and a third motor (78) fixedly mounted on the inner side of the bottom end of the first fixed plate (77).

3. The sheet metal bending machine according to claim 2, characterized in that: The output ends of the first motor (71) and the second motor (74) are fixedly connected to one end of the first screw rod (72) and the second screw rod (75), respectively. The output end of the third motor (78) is fixedly connected to one end of the grinding wheel (79). A second slider is rotatably mounted on the outer side of the first screw rod (72). The assembly box (73) can follow the longitudinal movement of the first screw rod (72) through the second slider.

4. The sheet metal bending machine according to claim 2, characterized in that: A hydraulic push rod (3) is fixedly installed inside one side of the main box (1), and the bottom end of the hydraulic push rod (3) is fixedly connected to the upper end of the bending knife (4).

5. The sheet metal bending machine according to claim 1, characterized in that: A clamping mechanism (9) is symmetrically provided at the upper end of the workbench (8), and the clamping mechanism (9) includes a fixing frame (95) fixedly mounted on the surface of the workbench (8), a fourth motor (91) is fixedly mounted inside the fixing frame (95), an output end of the fourth motor (91) is fixedly connected to a third screw rod (92), a clamping block (93) is rotatably mounted on the outer side of the third screw rod (92), and a gasket (94) is fixedly mounted on the bottom end of the clamping block (93).

6. The thin plate bending machine according to claim 5, characterized in that: The surface of the workbench (8) is provided with rollers (10) distributed evenly, the bottom of the workbench (8) is fixedly installed with a second fixed plate (13), the inner side of the bottom end of the second fixed plate (13) is symmetrically provided with an electric push rod (12), the upper end of the electric push rod (12) is fixedly connected to the limit plate (11), and the surface of the workbench (8) is provided with a limit groove, and the electric push rod (12) can drive the limit plate (11) to move longitudinally through the limit groove.

7. The sheet metal bending machine according to claim 4, characterized in that: A control panel (2) is fixedly mounted on one side of the main box (1), a material baffle (5) is provided inside the main box (1), and a protective shell (14) is centrally symmetrically provided on one side of the main box (1), and the protective shell (14) is located outside the grinding mechanism (7).