Rotary-cut type edge trimmer for metal sheet metal parts

Abstract

The utility model discloses a sheet metal part rotary cutting type edge trimmer which comprises a base, the top wall of the base is fixedly connected with a rotary cutter, the output end of the rotary cutter is fixedly connected with a lower die base, the top wall of the lower die base is provided with a die groove, and the side wall of the die groove is slidably connected with a discharging plate. A plurality of first springs are fixedly connected to the bottom wall of the discharging plate, the other end of each first spring is fixedly connected with the bottom wall of the mold groove, a support is fixedly connected to the top wall of the base, a mounting plate is fixedly connected to the side wall of the support, and an electric device is fixedly connected to the bottom wall of the mounting plate. The movable end of the electric device is fixedly connected with a lifting plate. By arranging the lower die base, the die groove, the discharging plate and the first spring, after edge cutting is completed, a workpiece is ejected upwards through the discharging plate, by arranging the sleeve, the sliding rod, the limiting block, the second spring, the ball and the annular groove, pressure applied to the lifting plate is buffered to a certain degree, and abrasion of the die is reduced.

Description

Technical Field

[0001] This utility model relates to the field of sheet metal processing technology, and in particular to a rotary cutting edge trimming machine for metal sheet metal parts. Background Technology

[0002] Sheet metal work is a comprehensive cold processing technology for thin metal sheets, including shearing, punching / cutting / combined cutting, bending, welding, riveting, splicing, and forming. After processing, sheet metal parts with uneven edges usually need to be shaped by using a rotary edge trimming machine to remove excess material.

[0003] However, existing rotary trimming machines for metal sheet parts still have some shortcomings in use, such as: after the sheet metal part is placed in the mold groove of the mold and cut, the workpiece is prone to jamming and is not easy to remove; most existing rotary trimming machines have the upper and lower mold bases in direct contact, and the sliding friction wear of the mold is large during trimming. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a rotary cutting edge trimming machine for metal sheet metal parts.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A metal sheet metal veneer trimming machine includes a base, a veneer machine fixedly connected to the top wall of the base, a lower die base fixedly connected to the output end of the veneer machine, a die groove formed in the top wall of the lower die base, a stripper plate slidably connected to the side wall of the die groove, a plurality of first springs fixedly connected to the bottom wall of the stripper plate, the other end of each first spring being fixedly connected to the bottom wall of the die groove, a bracket fixedly connected to the top wall of the base, a mounting plate fixedly connected to the side wall of the bracket, an electric device fixedly connected to the bottom wall of the mounting plate, a lifting plate fixedly connected to the movable end of the electric device, and a punch fixedly connected to the bottom wall of the lifting plate.

[0007] Preferably, sleeves are symmetrically fixedly connected to the bottom wall of the lifting plate, and a sliding rod is slidably connected to one end of each sleeve.

[0008] Preferably, a limiting block is fixedly connected to one end of each slide rod located inside the corresponding sleeve, and each limiting block slides against the inner wall of the corresponding sleeve.

[0009] Preferably, each of the limiting blocks has a second spring fixedly connected to its sidewall, and the other end of each second spring is fixedly connected to the inner sidewall of the sleeve.

[0010] Preferably, each of the slide bars has a ball embedded at the other end, and the top wall of the lower mold base has an annular groove, with each ball rotating against the side wall of the annular groove.

[0011] Preferably, the lifting plate slides against the side wall of the support, and a cutter is fixedly connected to the bottom wall of the punch.

[0012] The beneficial effects of this utility model are:

[0013] 1. By setting up a lower mold base, mold groove, stripper plate and first spring component, after the edge cutting is completed, the stripper plate can slide upward along the mold groove through the elastic force of the first spring, pushing the workpiece upward. This avoids the problem that the workpiece is easy to jam and difficult to remove after the sheet metal part is placed in the mold groove of the mold after cutting.

[0014] 2. By setting up a sleeve, slide bar, limit block, second spring, ball bearings, and annular groove, the lifting plate can drive the sleeve and slide bar to move downwards simultaneously when it descends. When the ball bearings at one end of the slide bar are inserted into the annular groove, the lifting plate continues to descend. At this time, the elastic force of the second spring buffers the pressure applied to the lifting plate, avoiding excessive pressure at the moment of contact with the workpiece, which could damage the workpiece. At the same time, when the veneer machine drives the lower die base to rotate, the ball bearings rotate against the annular groove, thereby reducing the wear of the die by changing sliding friction to rolling friction. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the external structure of a metal sheet metal rotary cutting edge trimming machine proposed in this utility model.

[0016] Figure 2 This is an enlarged schematic diagram of part A of the metal sheet metal rotary cutting edge trimming machine proposed in this utility model.

[0017] Figure 3 This is a cross-sectional structural diagram of the lower die base of a rotary cutting edge trimming machine for metal sheet parts proposed in this utility model.

[0018] Figure 4 This is a cross-sectional view of the sleeve portion in a rotary cutting edge trimming machine for metal sheet parts proposed in this utility model.

[0019] In the diagram: 1. Base, 2. Bracket, 3. Mounting plate, 4. Electric device, 5. Rotary cutting machine, 6. Lower mold base, 7. Lifting plate, 8. Punch, 9. Sleeve, 10. Slide rod, 11. Second spring, 12. Annular groove, 13. Ball bearing, 14. Mold groove, 15. First spring, 16. Unloading plate, 17. Limiting block, 18. Cutting knife. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0021] Reference Figures 1-4 A metal sheet metal veneer cutting edge trimming machine includes a base 1, a veneer cutting machine 5 fixedly connected to the top wall of the base 1, a lower die base 6 fixedly connected to the output end of the veneer cutting machine 5, a die groove 14 opened on the top wall of the lower die base 6, a stripper plate 16 slidably connected to the side wall of the die groove 14, a plurality of first springs 15 fixedly connected to the bottom wall of the stripper plate 16, the other end of each first spring 15 being fixedly connected to the bottom wall of the die groove 14, a bracket 2 fixedly connected to the top wall of the base 1, a mounting plate 3 fixedly connected to the side wall of the bracket 2, an electric device 4 fixedly connected to the bottom wall of the mounting plate 3, a lifting plate 7 fixedly connected to the movable end of the electric device 4, and a punch 8 fixedly connected to the bottom wall of the lifting plate 7.

[0022] Sleeves 9 are symmetrically fixed to the bottom wall of the lifting plate 7. Each sleeve 9 has a sliding rod 10 slidably connected to one end, so that the sleeves 9 and the sliding rod 10 can move simultaneously when the lifting plate 7 moves up and down.

[0023] Each slide rod 10 has a fixed connection to a limiting block 17 at one end inside the corresponding sleeve 9. Each limiting block 17 slides against the inner wall of the corresponding sleeve 9 to prevent the slide rod 10 from slipping out of the sleeve 9.

[0024] Each limiting block 17 has a second spring 11 fixedly connected to its side wall. The other end of each second spring 11 is fixedly connected to the inner side wall of the sleeve 9. The elastic force of the second spring 11 can buffer the pressure applied to the lifting plate 7.

[0025] Each slide bar 10 has a ball bearing 13 embedded at the other end, and an annular groove 12 is provided on the top wall of the lower mold base 6. Each ball bearing 13 rotates against the side wall of the annular groove 12, thereby reducing the wear of the mold by changing sliding friction to rolling friction.

[0026] The lifting plate 7 slides against the side wall of the bracket 2, and the bottom wall of the punch 8 is fixedly connected to the cutter 18, which is used to trim the workpiece.

[0027] In this invention, the sheet metal workpiece requiring edge trimming is placed on the unloading plate 16 of the mold groove 14. Then, the electric device 4 is activated to drive the lifting plate 7 downwards. The electric device 4 is an electric telescopic rod. When the lifting plate 7 descends, it drives the sleeve 9 and the sliding rod 10 downwards simultaneously. When the ball bearing 13 at one end of the sliding rod 10 inserts into the annular groove 12 on the top wall of the lower mold base 6, the lifting plate 7 continues to descend. At this time, the sleeve 9 slides downwards along the side wall of the sliding rod 10, compressing the second spring 11. The elastic force of the second spring 11 buffers the pressure applied to the lifting plate 7, preventing excessive pressure upon contact with the workpiece and thus avoiding damage. The workpiece, under pressure, drives the unloading plate 16 to slide downwards along the mold groove 14, compressing the first spring 15. The rotary cutting machine 5 is then activated, causing the lower mold base 6 to rotate. The ball bearing 13 rotates against the annular groove 12, thereby reducing mold wear by changing sliding friction to rolling friction.

[0028] After the edge is cut, the stripper plate 16 can slide upward along the mold groove 14 by the elastic force of the first spring 15, pushing the workpiece upward. This avoids the problem that the workpiece is easy to get stuck and difficult to remove after the sheet metal part is placed in the mold groove 14 and cut.

[0029] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A metal sheet metal rotary cutting edge trimming machine, comprising a base (1), characterized in that, A rotary cutting machine (5) is fixedly connected to the top wall of the base (1). A lower mold base (6) is fixedly connected to the output end of the rotary cutting machine (5). A mold groove (14) is opened on the top wall of the lower mold base (6). A stripper plate (16) is slidably connected to the side wall of the mold groove (14). A plurality of first springs (15) are fixedly connected to the bottom wall of the stripper plate (16). The other end of each first spring (15) is fixedly connected to the bottom wall of the mold groove (14). A bracket (2) is fixedly connected to the top wall of the base (1). A mounting plate (3) is fixedly connected to the side wall of the bracket (2). An electric device (4) is fixedly connected to the bottom wall of the mounting plate (3). A lifting plate (7) is fixedly connected to the movable end of the electric device (4). A punch (8) is fixedly connected to the bottom wall of the lifting plate (7).

2. The metal sheet metal rotary cutting edge trimming machine according to claim 1, characterized in that, The bottom wall of the lifting plate (7) is symmetrically fixedly connected with sleeves (9), and each sleeve (9) has a sliding rod (10) slidably connected through one end.

3. A metal sheet metal rotary cutting edge trimming machine according to claim 2, characterized in that, Each of the slide rods (10) has a limiting block (17) fixedly connected to one end inside the corresponding sleeve (9), and each limiting block (17) slides against the inner wall of the corresponding sleeve (9).

4. A metal sheet metal rotary cutting edge trimming machine according to claim 3, characterized in that, Each of the limiting blocks (17) has a second spring (11) fixedly connected to its side wall, and the other end of each second spring (11) is fixedly connected to the inner side wall of the sleeve (9).

5. A metal sheet metal rotary cutting edge trimming machine according to claim 2, characterized in that, Each of the slide bars (10) has a ball bearing (13) embedded at the other end. The top wall of the lower mold base (6) has an annular groove (12), and each ball bearing (13) rotates against the side wall of the annular groove (12).

6. A metal sheet metal rotary cutting edge trimming machine according to claim 1, characterized in that, The lifting plate (7) slides against the side wall of the bracket (2), and the bottom wall of the punch (8) is fixedly connected with a cutter (18).

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