Punching and corner cutting device for sheet metal shell machining

Abstract

The utility model relates to the field of sheet metal shell machining, in particular to a punching and corner cutting device for sheet metal shell machining, which comprises a worktable, a mounting frame is arranged outside the worktable, a hydraulic rod component is arranged at the top of the mounting frame, a movable plate is vertically and downwards connected to the top extension end of the hydraulic rod component, and a screw rod driving component is arranged in the movable plate. A limiting abutting plate is fixedly installed in the middle of the bottom end of the movable plate, a corner cutting block body is driven by the lower portion of the limiting abutting plate through a lead screw driving assembly, and a punching assembly is movably arranged in the middle of the bottom of the movable plate. According to the metal plate shell corner cutting and punching device, the lead screw driving assembly, the corner cutting block body, the punching assembly, the movable plate and the hydraulic rod assembly are arranged in a matched mode, corner cutting or punching treatment can be conveniently conducted on a metal plate shell, corner cutting and punching can be completed on the same device, and therefore the time for replacing the device and transferring a workpiece is shortened, and the machining efficiency is improved. And the overall processing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sheet metal shell processing, in particular to a punching and corner cutting device for sheet metal shell processing. Background Art

[0002] In the machining industry, sheet metal generally refers to thin metal sheets, typically steel sheets, which have excellent cold forming and welding properties. Sheet metal housings are manufactured using these thin metal sheets through a series of machining processes.

[0003] Sheet metal shells often require punching or corner cutting during processing. However, existing punching or corner cutting processes require multiple devices to be operated separately, and equipment replacement and workpiece transfer are time-consuming, resulting in low efficiency in processing sheet metal shells. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a punching and corner cutting device for processing sheet metal shells.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A punching and corner cutting device for sheet metal shell processing includes a workbench, a mounting frame is provided on the outside of the workbench, a hydraulic rod assembly is provided on the top of the mounting frame, the top extending end of the hydraulic rod assembly is vertically downwardly connected to a movable plate, a screw drive assembly is provided inside the movable plate, a limited pressure plate is fixedly installed in the middle of the bottom end of the movable plate, and a corner cutting block body is driven below the limited pressure plate by the screw drive assembly, and a punching assembly is movably provided in the middle of the bottom of the movable plate;

[0007] A placement base is provided in the middle of the top of the workbench. The placement base is U-shaped. A slot is provided through the top of the placement base at the limit pressure plate, and a slot through-hole is provided through the placement base at the corner cutting block body.

[0008] In addition, the preferred structure is that the punching assembly includes a limit plate, the top of the limit plate is located on both sides of the screw drive assembly and multiple fixed blocks are symmetrically arranged, the top of the fixed block is provided with a fixed screw, the outer wall of the fixed screw is screwed with a fixed nut, and the diameter of the fixed screw is smaller than the diameter of the fixed block.

[0009] In addition, the preferred structure is that the punching block body is screwed to the middle part of the bottom end of the limiting plate, a mounting ring is installed on the top of the punching block body, the outer wall of the mounting ring is provided with an external threaded portion, and a mounting groove is provided at the bottom of the limiting plate at the mounting ring, an internal threaded portion is provided in the mounting groove at the external threaded portion, and the internal threaded portion is threadedly connected to the external threaded portion.

[0010] In addition, the preferred structure is that the screw drive assembly includes a screw body, the screw body is driven by a drive motor, and a nut pair is provided on the outer wall of the screw body, and a plurality of connecting blocks are installed at equal distances on the bottom of the nut pair, and the bottom of the connecting block passes through the movable plate, the limit pressure plate and the cutting block body.

[0011] In addition, a preferred structure is that a discharge cavity is opened on one side of the workbench, a guide plate is provided at the bottom of the discharge cavity, and an inclined surface is provided at the top of the guide plate.

[0012] In addition, the preferred structure is that a through groove is opened in the middle of the placement base, the diameter of the through groove is larger than the diameter of the punching block body, and a discharge hole is opened in the workbench between the through groove and the discharge cavity.

[0013] The beneficial effects of the utility model are:

[0014] In the utility model, the screw drive assembly, the chamfering block body, the punching assembly, the movable plate and the hydraulic rod assembly are arranged in coordination, so that the sheet metal shell can be chamfered or punched, so that both chamfering and punching operations can be completed on the same device, thereby reducing the time for equipment replacement and workpiece transfer and improving the overall processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic structural diagram of a punching and corner cutting device for sheet metal shell processing proposed by the present invention;

[0016] Figure 2 This is a schematic cross-sectional view of a punching and corner cutting device for sheet metal shell processing proposed by the present invention;

[0017] Figure 3 This is a schematic structural diagram of the cross-section of the punching component and the movable plate.

[0018] In the figure: 1. Workbench; 11. Discharge cavity; 2. Mounting frame; 3. Hydraulic rod assembly; 4. Movable plate; 5. Placement base; 6. Guide plate; 7. Chamfering block body; 8. Screw drive assembly; 81. Screw body; 82. Nut pair; 83. Drive motor; 9. Punching assembly; 91. Limit plate; 92. Fixed block; 93. Fixed screw; 94. Punching block body. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] Reference Figure 1-3A punching and corner cutting device for sheet metal shell processing includes a workbench 1, a mounting frame 2 is provided on the outside of the workbench 1, a hydraulic rod assembly 3 is provided on the top of the mounting frame 2, the top extending end of the hydraulic rod assembly 3 is vertically downwardly connected to a movable plate 4, a screw drive assembly 8 is provided in the movable plate 4, a limited pressure plate is fixedly installed in the middle of the bottom end of the movable plate 4, and a corner cutting block body 7 is driven below the limited pressure plate by the screw drive assembly 8, and a punching assembly 9 is movably provided in the middle of the bottom of the movable plate 4;

[0021] A placement base 5 is provided in the middle of the top of the workbench 1. The placement base 5 is U-shaped. A slot is provided through the top of the placement base 5 at the limit pressure plate, and a slot through-hole is provided through the placement base 5 at the cutting block body 7.

[0022] In addition, the punching assembly 9 includes a limit plate 91, and the top of the limit plate 91 is symmetrically provided with multiple fixed blocks 92 on both sides of the screw drive assembly 8. A fixed screw 93 is provided on the top of the fixed block 92, and the outer wall of the fixed screw 93 is screwed with a fixing nut, and the diameter of the fixed screw 93 is smaller than the diameter of the fixed block 92.

[0023] At the same time, a punching block body 94 is screwed to the middle of the bottom end of the limiting plate 91, and a mounting ring is installed on the top of the punching block body 94. The outer wall of the mounting ring is provided with an external threaded portion, and a mounting groove is provided at the bottom of the limiting plate 91 at the mounting ring. An internal threaded portion is provided in the mounting groove at the external threaded portion, and the internal threaded portion is threadedly connected to the external threaded portion.

[0024] At the same time, the screw drive assembly 8 includes a screw body 81, which is driven by a drive motor 83, and a nut pair 82 is provided on the outer wall of the screw body 81. A plurality of connecting blocks are installed at equal distances at the bottom of the nut pair 82, and the bottom of the connecting block passes through the movable plate 4, the limit pressure plate and is connected to the cutting block body 7.

[0025] Furthermore, a discharge cavity 11 is provided on one side of the workbench 1 , a guide plate 6 is provided at the bottom of the discharge cavity 11 , and an inclined surface is provided at the top of the guide plate 6 .

[0026] At the same time, a groove is provided at the bottom of the movable plate 4 at the limiting plate 91 , and mounting through holes are provided in the movable plate 4 at the fixing block 92 and the fixing screw 93 .

[0027] Furthermore, a through groove is opened in the middle of the placement base 5, the diameter of the through groove is larger than the diameter of the punching block body 94, and a discharge hole is opened in the workbench 1 between the through groove and the discharge cavity.

[0028] In addition, rubber pads are provided at the bottom of the limiting pressure plate and the bottom of the base 5 to ensure that the sheet metal shell is not displaced when the sheet metal shell is cut or punched, thereby ensuring the stability of the sheet metal shell.

[0029] Furthermore, it is worth noting that the specific structures and working modes of the cutting block body 7 and the punching block body 94 are existing technologies currently disclosed on the market, and are not the main technical problems to be solved in this technical solution, so they will not be elaborated in this utility model.

[0030] At the same time, it is worth mentioning that the screw drive assembly 8 drives the chamfering block body 7 to perform horizontal linear motion, so that the chamfering block body 7 performs chamfering on the sheet metal shell, and the specific structure, connection method and working method of the screw drive assembly 8 are all existing technologies currently disclosed on the market, which are common knowledge known to those skilled in the art and do not belong to the main technical problems to be solved in this technical solution. Therefore, they are not described in detail in this utility model.

[0031] In this embodiment, when it is necessary to perform corner cutting on the sheet metal shell, the punching assembly 9 is disassembled, and then the sheet metal shell is placed in the placement base 5, and then the movable plate 4 is driven by the hydraulic rod assembly 3 to move toward the placement base 5 until it is in contact with the top of the placement base 5, and its limiting pressure plate is clamped into the slot of the placement base 5, and the sheet metal shell is limited and pressed by the limiting pressure plate 4, and then the cutting block body 7 is driven by the screw drive assembly 8 to perform horizontal linear motion, so that the cutting block body 7 performs corner cutting on the sheet metal shell.

[0032] When it is necessary to punch the sheet metal shell, align the limit plate 91 of the punching assembly 9 with its groove, and align the fixing block 92 and the fixing screw 93 with their mounting through holes and insert them, and tighten them with the fixing nut to install the punching assembly 9 and the movable plate 4. When the punching assembly 9 and the movable plate 4 are installed, the bottom of its limit plate 91 is flush with the bottom of the limit pressure plate, and then the screw drive assembly 8 drives its cutting block body 7 to move horizontally until the cutting block body 7 is moved away from the placement base 5, and then the sheet metal shell is placed in the placement base 5, and the hydraulic rod assembly 3 drives its movable plate 4 to move toward the placement base 5 until it fits with the top of the placement base 5, and the limit pressure plate is clamped in the slot of the placement base 5, and at this time, its punching block body 94 punches its sheet metal shell.

[0033] In the utility model, the coordinated arrangement of the screw drive assembly 8, the chamfering block body 7, the punching assembly 9, the movable plate 4 and the hydraulic rod assembly 3 facilitates the chamfering or punching of the sheet metal shell, so that both chamfering and punching operations can be completed on the same device, thereby reducing the time for equipment replacement and workpiece transfer and improving the overall processing efficiency.

[0034] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A punching and corner cutting device for sheet metal shell processing, comprising a workbench (1), characterized in that: The workbench (1) is provided with a mounting frame (2) on the outside, a hydraulic rod assembly (3) is provided on the top of the mounting frame (2), the top extension end of the hydraulic rod assembly (3) is vertically connected to a movable plate (4) downward, a screw drive assembly (8) is provided in the movable plate (4), a limited pressure plate is fixedly installed in the middle of the bottom end of the movable plate (4), and a cutting block body (7) is driven below the limited pressure plate through the screw drive assembly (8), and a punching assembly (9) is movably provided in the middle of the bottom of the movable plate (4); A placement base (5) is provided at the middle of the top of the workbench (1), and the placement base (5) is U-shaped. A slot is provided through the top of the placement base (5) at the position of the limiting pressure plate, and a slotted through hole is provided through the placement base (5) at the position of the corner cutting block body (7).

2. A punching and corner cutting device for sheet metal shell processing according to claim 1, characterized in that: The punching assembly (9) comprises a limiting plate (91), the top of the limiting plate (91) being located on both sides of the screw drive assembly (8) and symmetrically provided with a plurality of fixing blocks (92), the top of the fixing block (92) being provided with a fixing screw (93), the outer wall of the fixing screw (93) being screwed with a fixing nut, and the diameter of the fixing screw (93) being smaller than the diameter of the fixing block (92).

3. The punching and corner cutting device for sheet metal shell processing according to claim 2, characterized in that: The middle part of the bottom end of the limiting plate (91) is screwed with a punching block body (94), the top of the punching block body (94) is equipped with a mounting ring, the outer wall of the mounting ring is provided with an external threaded portion, and the bottom of the limiting plate (91) is provided with a mounting groove at the mounting ring, an internal threaded portion is provided in the mounting groove at the external threaded portion, and the internal threaded portion is threadedly connected to the external threaded portion.

4. The punching and corner cutting device for sheet metal shell processing according to claim 1, characterized in that: The screw drive assembly (8) includes a screw body (81), which is driven by a drive motor (83), and a nut pair (82) is provided on the outer wall of the screw body (81). A plurality of connecting blocks are installed at equal distances on the bottom of the nut pair (82), and the bottom of the connecting block passes through the movable plate (4), the limit pressure plate and is connected to the corner cutting block body (7).

5. The punching and corner cutting device for sheet metal shell processing according to claim 1, characterized in that: A discharge cavity (11) is provided on one side of the workbench (1), a guide plate (6) is provided at the bottom of the discharge cavity (11), and an inclined surface is provided at the top of the guide plate (6).

6. The punching and corner cutting device for sheet metal shell processing according to claim 1, characterized in that: A through slot is provided in the middle of the placement base (5), the diameter of the through slot being larger than the diameter of the punching block body (94), and a discharge hole is provided between the through slot and the discharge cavity in the workbench (1).

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