Plate punching machine

Abstract

The utility model discloses a plate punching machine, which belongs to the field of plate processing, and comprises a working table, an avoiding groove is arranged at the top of the working table, a collecting groove is arranged on the front side of the working table, the avoiding groove is communicated with the collecting groove, two groups of clamping components are symmetrically arranged at the top of the working table, and a punching mechanism is arranged above the working table. A grinding mechanism is arranged in the avoiding groove and comprises an electric push rod fixedly connected into the collecting groove, a lifting frame is fixedly connected to the top of the electric push rod, a moving block is slidably connected into the lifting frame, a grinding motor is fixedly connected to the top of the moving block, and a grinding disc is fixedly connected to the output end of the grinding motor. The polishing mechanism further comprises a power assembly. The punching device has the beneficial effects that after punching, the moving block is driven by the power assembly to move the grinding disc to the position below a punched hole, the grinding disc abuts against a plate by controlling the electric push rod, the grinding motor is started, the grinding motor drives the grinding disc to rotate, the edge of the punched hole is ground, and workers are prevented from being scratched.

Description

Technical Field

[0001] This utility model relates to the field of sheet metal processing, and in particular to a sheet metal punching machine. Background Technology

[0002] Cabinets such as modular cabinets, filing cabinets, shoe cabinets, and electrical cabinets are usually assembled from multiple panels. During the processing of these panels, a punching machine is typically used to punch holes in appropriate locations.

[0003] A search of Chinese Patent Publication No. CN218985134U reveals a sheet metal punching machine, comprising a frame for placing sheet metal to be punched, a feeding mechanism on the frame for clamping and limiting the sheet metal according to its size and for moving the sheet metal laterally according to the marked punching positions, a punching mechanism above the frame for punching the sheet metal one by one according to the pre-marked punching positions, a punching table on the frame, legs fixedly connected below the punching table, a stand fixedly connected above the punching table, brackets fixedly connected between the stands, a slot on the punching table, and a first hydraulic cylinder fixedly mounted above the brackets. A second slide is fixedly connected to the telescopic end of the first hydraulic cylinder, a limit rod is fixedly mounted on one side of the second slide, a second hydraulic cylinder is fixedly mounted on the other side of the second slide, a third slide is fixedly connected to the telescopic end of the second hydraulic cylinder, a second motor is fixedly mounted below the third slide, a connector is provided at the output end of the second motor, and a cutter head is provided below the connector.

[0004] However, after punching, rough edges will appear on the bottom of the sheet metal, which may scratch workers during transportation. Utility Model Content

[0005] The purpose of this invention is to provide a sheet metal punching machine to solve the above-mentioned problems.

[0006] This utility model achieves the above objectives through the following technical solutions:

[0007] A sheet metal punching machine includes a worktable with a clearance groove on the top and a collection groove penetrating the worktable on the front side. The clearance groove and the collection groove are connected. Two sets of clamping assemblies are symmetrically arranged on the top of the worktable. A punching mechanism is arranged above the worktable. A grinding mechanism is arranged in the clearance groove. The grinding mechanism includes an electric push rod fixedly connected in the collection groove. A lifting frame is fixedly connected to the top of the electric push rod. The lifting frame slides up and down along the clearance groove. The lifting frame is U-shaped with the opening facing upward. A moving block is slidably connected in the lifting frame. A grinding motor is fixedly connected to the top of the moving block. A grinding disc is fixedly connected to the output end of the grinding motor. The grinding mechanism also includes a power component for driving the moving block to move back and forth along the lifting frame.

[0008] Preferably, the power assembly includes a movable motor, which is fixedly connected to the rear side of the lifting frame. The worktable has a movable slot communicating with the clearance slot. The movable motor is located in the movable slot. The output end of the movable motor is connected to a second lead screw through a coupling. The second lead screw is rotatably connected between the front and rear inner walls of the lifting frame. A limit rod is also fixedly connected between the front and rear inner walls of the lifting frame. The movable block is threadedly connected to the second lead screw and slidably connected to the limit rod.

[0009] Preferably, the inner bottom wall of the lifting frame is V-shaped with the pointed end facing upwards.

[0010] Preferably, the clamping assembly includes a vertical plate fixedly connected to the top of the worktable, a first hydraulic cylinder fixedly connected to the side wall of the vertical plate, and a clamping plate fixedly connected to the output end of the first hydraulic cylinder.

[0011] Preferably, the punching mechanism includes a mounting frame fixedly connected to the top of the worktable. A rotary motor is fixedly connected to the front side of the mounting frame. The output end of the rotary motor is connected to a first lead screw via a coupling. The first lead screw is rotatably connected between the front and rear inner walls of the mounting frame. A slider is threaded onto the first lead screw. The slider is slidably connected to the inner top wall of the mounting frame. A second hydraulic cylinder is fixedly connected to the bottom of the slider. A horizontal plate is fixedly connected to the bottom of the second hydraulic cylinder. A punching head is fixedly connected to the bottom of the horizontal plate. The punching head is located directly above the clearance groove. Two sets of pressing components are symmetrically arranged at the front and rear of the punching head.

[0012] Preferably, the pressing assembly includes a slide rod slidably connected within the horizontal plate, a pressure plate fixedly connected to the bottom end of the slide rod, a limit plate fixedly connected to the top of the slide rod extending out of the horizontal plate, a spring connecting the pressure plate and the horizontal plate, and the initial height of the pressure plate being below the punch head.

[0013] The beneficial effects are as follows: after punching, the moving block is driven by the power component to move the grinding disc to below the punching hole. The electric push rod is controlled to make the grinding disc come into contact with the plate, and the grinding motor is started. The grinding motor drives the grinding disc to rotate and grind the edge of the punching hole, avoiding scratching the workers.

[0014] The additional technical features and advantages of this utility model will become more apparent from the following description, or may be learned through specific practice of this utility model. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the following detailed description to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0016] Figure 1 This is a schematic diagram of a sheet metal punching machine according to the present invention;

[0017] Figure 2 This is a front view of a sheet metal punching machine according to the present invention;

[0018] Figure 3 This is a right view of the internal structure of a sheet metal punching machine according to the present invention;

[0019] Figure 4 This is a top view of a sheet metal punching machine according to the present invention;

[0020] Figure 5 This is a front view of the internal structure of the lifting frame of the sheet metal punching machine described in this utility model.

[0021] The reference numerals in the attached drawings are explained as follows: 1. Workbench; 101. Clearance groove; 102. Collection groove; 201. Vertical plate; 202. First hydraulic cylinder; 203. Clamping plate; 301. Mounting bracket; 302. Rotary motor; 303. First lead screw; 304. Slider; 305. Second hydraulic cylinder; 306. Horizontal plate; 307. Punch head; 401. Slide rod; 402. Pressure plate; 403. Limiting plate; 404. Spring; 501. Electric push rod; 502. Lifting frame; 503. Moving motor; 504. Second lead screw; 505. Limiting rod; 506. Moving block; 507. Grinding motor; 508. Grinding disc. Detailed Implementation

[0022] 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.

[0023] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0024] The present invention will be further described below with reference to the accompanying drawings:

[0025] like Figures 1-5 As shown, a sheet metal punching machine includes a workbench 1. A clearance groove 101 is provided on the top of the workbench 1, and a collection groove 102 is provided on the front side of the workbench 1, which penetrates the workbench 1. The clearance groove 101 and the collection groove 102 are connected. The debris from punching falls into the collection groove 102 through the clearance groove 101. The collection groove 102 is through the front and back, which is convenient for cleaning.

[0026] Two sets of clamping assemblies are symmetrically arranged on the top of the workbench 1. The clamping assembly includes a vertical plate 201 fixedly connected to the top of the workbench 1. A first hydraulic cylinder 202 is fixedly connected to the side wall of the vertical plate 201. A clamping plate 203 is fixedly connected to the output end of the first hydraulic cylinder 202. The plate is placed on the workbench 1 so that the position to be punched is above the clearance groove 101. By controlling the first hydraulic cylinder 202, the clamping plate 203 is moved and abuts against the plate to clamp and limit the plate, so as to prevent the position from shifting during punching and affecting the punching accuracy.

[0027] A punching mechanism is provided above the workbench 1. The punching mechanism includes a mounting bracket 301 bolted to the top of the workbench 1. A rotary motor 302 is bolted to the front side of the mounting bracket 301. The output end of the rotary motor 302 is connected to a first lead screw 303 via a coupling. The first lead screw 303 is rotatably connected between the front and rear inner walls of the mounting bracket 301. A slider 304 is threaded onto the first lead screw 303. The slider 304 is slidably connected to the inner top wall of the mounting bracket 301. A second hydraulic cylinder 305 is fixedly connected to the bottom of the slider 304. A horizontal plate 306 is fixedly connected to the bottom of the second hydraulic cylinder 305. A punching head 307 is fixedly connected to the bottom of the horizontal plate 306. The punching head 307 is located directly above the clearance groove 101.

[0028] Two sets of pressing components are symmetrically arranged at the front and rear of the stamping head 307. Each pressing component includes a slide rod 401 slidably connected within a horizontal plate 306. A pressure plate 402 is fixedly connected to the bottom end of the slide rod 401. The top of the slide rod 401 extends out of the horizontal plate 306 and is fixedly connected to a limit plate 403. A spring 404 wound around the outer circumference of the slide rod 401 connects the pressure plate 402 and the horizontal plate 306. The initial height of the pressure plate 402 is below the stamping head 307. By controlling the second hydraulic cylinder 305 to drive the horizontal plate 306, the stamping head 307 moves downwards. The pressure plate 402 first... As the plate comes into contact with the material, the spring 404 is compressed as the horizontal plate 306 continues to move downwards. The pressure plate 402 then presses the plate, further reducing the possibility of deviation during the punching process. After the punching head 307 comes into contact with the plate, it continues to move downwards to punch. After punching, the second hydraulic cylinder 305 is controlled to move the horizontal plate 306 upwards, causing the punching head 307 to move upwards. The horizontal plate 306 first slides upwards along the slide bar 401. When the horizontal plate 306 comes into contact with the limiting plate 403, the horizontal plate 306 begins to drive the limiting plate 403 to move the slide bar 401 and the pressure plate 402 upwards.

[0029] A grinding mechanism is provided inside the clearance groove 101. The grinding mechanism includes an electric push rod 501 fixedly connected to the collection groove 102. A lifting frame 502 is fixedly connected to the top of the electric push rod 501. The lifting frame 502 slides up and down along the clearance groove 101. The lifting frame 502 is U-shaped with the opening facing upwards. The inner bottom wall of the lifting frame 502 is V-shaped with the tip facing upwards, which facilitates the guidance of the debris falling from the punching and prevents the debris from accumulating on the bottom wall of the electric push rod 501. A moving block 506 is slidably connected inside the lifting frame 502. A grinding motor 507 is bolted to the top of the moving block 506. A grinding disc 508 is fixedly connected to the output end of the grinding motor 507.

[0030] The grinding mechanism also includes a power component, which drives the moving block 506 to move back and forth along the lifting frame 502. The power component includes a moving motor 503, which is bolted to the rear side of the lifting frame 502. The worktable 1 has a movable slot communicating with the clearance slot 101. The moving motor 503 is located in the movable slot. The output end of the moving motor 503 is connected to a second lead screw 504 through a coupling. The second lead screw 504 is rotatably connected between the front and rear inner walls of the lifting frame 502. A limit rod 505 is also fixedly connected between the front and rear inner walls of the lifting frame 502. The moving block 506 is threadedly connected to the second lead screw 504 and slidably connected to the limit rod 505.

[0031] Working Principle: In use, the sheet metal is first placed on the workbench 1, with the punching position positioned above the clearance groove 101. The first hydraulic cylinder 202 moves the clamping plate 203 to contact the sheet metal, clamping and limiting its position to prevent displacement during punching and maintain accuracy. The rotary motor 302 is then activated, driving the first lead screw 303 to rotate. The lead screw 303 drives the slider 304, moving the punch head 307 above the punching position. The second hydraulic cylinder 305 drives the horizontal plate 306, causing the punch head 307 to move downwards. The pressure plate 402 initially contacts the sheet metal. As the horizontal plate 306 continues to move downwards, the spring 404 compresses, and the pressure plate 402 presses against the sheet metal. The pressing process further reduces the possibility of deviation during the punching of the sheet metal. After the punch head 307 comes into contact with the sheet metal, it continues to move downward to punch. The debris from punching falls into the collection tank 102 through the clearance groove 101. After punching, the punch head 307 is moved upward by controlling the second hydraulic cylinder 305. Then, the moving motor 503 is started, which drives the second lead screw 504 to rotate. The second lead screw 504 drives the moving block 506 to slide along the limit rod 505, moving the grinding disc 508 below the punching hole. The grinding disc 508 comes into contact with the sheet metal by controlling the electric push rod 501. The grinding motor 507 is started, which drives the grinding disc 508 to rotate, grinding the edge of the punching hole to avoid scratching the workers.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A plate punching machine, comprising a workbench (1), the top of the workbench (1) is provided with an avoiding groove (101), the front side of the workbench (1) is provided with a collecting groove (102) penetrating through the workbench (1), the avoiding groove (101) is communicated with the collecting groove (102), the top of the workbench (1) is symmetrically provided with two groups of clamping assemblies, and the upper side of the workbench (1) is provided with a punching mechanism, characterized in that: The grinding mechanism is arranged in the avoiding groove (101), and the grinding mechanism comprises an electric push rod (501) fixedly connected in the collecting groove (102), the top of the electric push rod (501) is fixedly connected with a lifting frame (502), the lifting frame (502) slides up and down along the avoiding groove (101), the lifting frame (502) is a U-shaped structure with an opening facing upward, a moving block (506) is slidably connected in the lifting frame (502), the top of the moving block (506) is fixedly connected with a grinding motor (507), the output end of the grinding motor (507) is fixedly connected with a grinding disc (508), and the grinding mechanism further comprises a power assembly.

2. A board punching machine according to claim 1, characterized in that: The power assembly comprises a moving motor (503) fixedly connected to the rear side of the lifting frame (502), a movable groove is formed in the workbench (1) and communicates with the avoiding groove (101), the moving motor (503) is located in the movable groove, the output end of the moving motor (503) is connected with a second lead screw (504) through a shaft coupling, the second lead screw (504) is rotatably connected between the front and rear inner walls of the lifting frame (502), a limiting rod (505) is further fixedly connected between the front and rear inner walls of the lifting frame (502), and the moving block (506) is threadedly connected to the second lead screw (504).

3. A board punching machine according to claim 1, characterized in that: The inner bottom wall of the lifting frame (502) is a V-shaped structure with a pointed end facing upward.

4. A board punching machine according to claim 1, characterized in that: The clamping assembly comprises a vertical plate (201) fixedly connected to the top of the workbench (1), and the side wall of the vertical plate (201) is fixedly connected with a first hydraulic cylinder (202).

5. A sheet material punch as defined in claim 1, wherein: The punching mechanism comprises a mounting bracket (301) fixedly connected to the top of the workbench (1), a rotary motor (302) fixedly connected to the front side of the mounting bracket (301), a first lead screw (303) connected to the output end of the rotary motor (302) through a shaft coupling, the first lead screw (303) being rotatably connected between the front and rear inner walls of the mounting bracket (301), a sliding block (304) threadedly connected to the first lead screw (303), the sliding block (304) being slidably connected to the inner top wall of the mounting bracket (301), a second hydraulic cylinder (305) fixedly connected to the bottom of the sliding block (304), a horizontal plate (306) fixedly connected to the bottom of the second hydraulic cylinder (305), and a punching head (307) located directly above the avoiding groove (101) and symmetrically provided with two groups of pressing assemblies.

6. A board punching machine according to claim 5, characterized in that: The pressing assembly comprises a slide bar (401) slidably connected in the horizontal plate (306), a bottom end of the slide bar (401) is fixedly connected with a pressing plate (402), a top of the slide bar (401) extends out of the horizontal plate (306) and is fixedly connected with a limiting plate (403), a spring (404) is connected between the pressing plate (402) and the horizontal plate (306), and an initial height of the pressing plate (402) is located below the punching head (307).

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