Punching die for machining automobile bottom guard plate

Abstract

The utility model relates to the technical field of punching dies, and discloses a punching die for machining an automobile bottom guard plate, which comprises a lower die holder, an upper die holder is arranged at the top of the lower die holder, a lower die is fixedly connected to the upper surface of the lower die holder, at least one discharging assembly is arranged in the lower die, and the discharging assembly is fixedly connected with the lower die holder. The discharging assembly comprises a fixed rod, a movable sleeve, a spring, a connecting sleeve, a movable plate, a protruding part and an ejector plate, and the fixed rod is arranged in the lower die. According to the punching die for machining of the automobile bottom guard plate, by arranging the discharging assembly, waste generated in the die after punching can be ejected out, workers can conveniently collect and clean the waste, in the punching process, in the descending and moving process of a pressing plate, a protruding part is extruded, a movable plate, a connecting sleeve and a movable sleeve move downwards, an ejection plate is exposed, the waste after punching is ejected out, and the punching efficiency is improved. The automatic punching machine can operate efficiently and continuously, the punching efficiency is improved, and the manual labor requirement is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of punching dies, in particular to a punching die for processing an automobile bottom guard plate. Background Art

[0002] The car underbody guard is also called the engine guard. Its main function is to protect the engine and avoid collision with the engine oil pan when driving on poor road conditions, thereby damaging the engine. The working principle of the punching die is to use the press to generate pressure, transfer the pressure to the upper die, and then transfer the pressure from the upper die to the lower die, so that the cutting edge cuts into the material to complete the punching. When the car underbody is being processed, it needs to be punched and formed by the punching die.

[0003] According to the application number 201921744099.0, a continuous punching die for automotive parts is disclosed. The lubricating oil inside the oil inlet cylinder is pressed by a piston rod so that the lubricating oil can come out from the oil outlet hole along the oil inlet pipe, thereby lubricating the surface of the guide column, thereby achieving the effect of lubricating the guide column without disassembling the mold, thereby avoiding long-term wear of the guide column and reducing its service life.

[0004] The following problems still exist in actual use:

[0005] The punching die transmits pressure to the lower die through the upper die, so that the cutting edge cuts into the material to complete the punching. The waste generated in the die during the punching process is difficult to discharge, and it is necessary to manually use tools to take out the waste in the die, which increases the labor intensity of the personnel and adds certain safety hazards. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a punching die for processing an automobile underbody guard plate, which has the advantages of ejecting waste materials after punching and facilitating personnel to collect and clean the waste materials, thus solving the problems raised in the background technology.

[0007] The utility model provides the following technical solution: a punching die for processing an automobile bottom guard plate, comprising a lower die seat, an upper die seat is arranged on the top of the lower die seat, a lower die is fixedly connected to the upper surface of the lower die seat, and at least one discharge assembly is arranged inside the lower die;

[0008] The discharge assembly includes a fixed rod, a movable sleeve, a spring, a connecting sleeve, a movable plate, a protrusion and a ejection plate. The fixed rod is arranged inside the lower mold, the surface of the fixed rod is provided with a movable sleeve, the inner wall of the movable sleeve is provided with a spring, the top of the movable sleeve is provided with a connecting sleeve, the top of the connecting sleeve is provided with a movable plate, the upper surface of the movable plate is provided with protrusions at the four corners, and the top of the fixed rod is provided with a ejection plate.

[0009] Preferably, the lower surface of the upper mold base is fixedly connected to the upper mold, and a cutting assembly is arranged inside the upper mold. The cutting assembly includes a pressure plate, an edge cutter, and an annular cutter. A pressure plate is installed inside the upper mold, and the outer surface of the pressure plate is fixedly connected to the edge cutter, and the edge cutter is in contact with the inner wall of the upper mold. The lower surface of the pressure plate is fixedly connected to at least one annular cutter.

[0010] Preferably, the fixed rod is fixedly connected to the upper surface of the lower die base, the movable sleeve is slidably connected to the upper surface of the lower die base, the spring is sleeved on the surface of the fixed rod, the connecting sleeve is fixedly connected to the top of the movable sleeve, the movable plate is fixedly connected to the outer wall of the connecting sleeve, the raised portion is fixedly connected to the upper surface of the movable plate, and the ejecting plate is fixedly connected to the top of the fixed rod.

[0011] Preferably, the bottom end of the spring is fixedly connected to the inner wall of the fixing rod, and the top end of the spring is fixedly connected to the bottom end of the connecting sleeve.

[0012] Preferably, the interior of the connecting sleeve is hollow, and the ejector plate is located in the hollow portion of the connecting sleeve.

[0013] Preferably, the lower mold is fixedly connected to the lower mold base by bolts.

[0014] Preferably, the upper mold is fixedly connected to the upper mold base by bolts.

[0015] Preferably, guide sleeves are fixedly connected at the four corners of the upper surface of the lower die base, and guide columns are fixedly connected at the four corners of the lower surface of the upper die base.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. The punching die for processing the underbody guard plate of the automobile is provided with a discharge assembly, which can eject the waste generated inside the die after punching, making it convenient for personnel to collect and clean the waste. During the punching process, the pressing plate squeezes the protrusion during the downward movement, so that the movable plate, the connecting sleeve and the movable sleeve move downward, so that the ejecting plate is exposed to eject the waste after punching. After the punching is completed, it is reset by the spring, which can run efficiently and continuously, improve the punching efficiency, and reduce the need for manual labor.

[0018] 2. The punching die for processing the automobile underbody guard plate can punch and shape the workpiece by providing a cutting component. The pressing plate is driven down by an external press machine, and the edge cutter is driven down to punch and shape the workpiece at the same time. The workpiece can be punched at the same time with the annular cutter, thereby increasing work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of the utility model device;

[0020] Figure 2 This is a schematic diagram of the upper mold structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the lower mold structure of the utility model;

[0022] Figure 4 It is a schematic diagram of the structure of the discharge assembly of the utility model.

[0023] In the figure: 1. lower die base; 2. upper die base; 3. upper die; 4. cutting assembly; 401. pressing plate; 402. edge cutter; 403. annular cutter; 5. lower die; 6. discharge assembly; 601. fixing rod; 602. movable sleeve; 603. spring; 604. connecting sleeve; 605. movable plate; 606. raised part; 607. ejector plate; 7. guide sleeve; 8. guide column. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1 and Figure 4 A punching die for processing an automobile underbody guard plate comprises a lower die base 1, a lower die 5 is fixedly connected to the upper surface of the lower die base 1, at least one discharge assembly 6 is arranged inside the lower die 5, the discharge assembly 6 comprises a fixed rod 601, a movable sleeve 602, a spring 603, a connecting sleeve 604, a movable plate 605, a protrusion 606 and a top plate 607, the fixed rod 601 is arranged inside the lower die 5, a movable sleeve 602 is arranged on the surface of the fixed rod 601, a spring 603 is arranged on the inner wall of the movable sleeve 602, a connecting sleeve 604 is arranged on the top of the movable sleeve 602, a movable plate 605 is arranged on the top of the connecting sleeve 604, protrusions 606 are arranged at the four corners of the upper surface of the movable plate 605, and a top plate 607 is arranged at the top of the fixed rod 601;

[0026] By providing a discharge component 6, waste generated inside the mold after punching can be ejected, making it convenient for personnel to collect and clean the waste. Multiple discharge components 6 can eject waste from multiple places, and waste generated at the edge can directly slide off the mold.

[0027] See also Figure 3 to Figure 4, the fixed rod 601 is fixedly connected to the upper surface of the lower die base 1, the movable sleeve 602 is slidably connected to the upper surface of the lower die base 1, the spring 603 is sleeved on the surface of the fixed rod 601, the connecting sleeve 604 is fixedly connected to the top of the movable sleeve 602, the movable plate 605 is fixedly connected to the outer wall of the connecting sleeve 604, the raised portion 606 is fixedly connected to the upper surface of the movable plate 605, the ejecting plate 607 is fixedly connected to the top of the fixed rod 601, the bottom end of the spring 603 is fixedly connected to the inner wall of the fixed rod 601, the top end of the spring 603 is fixedly connected to the bottom end of the connecting sleeve 604, the interior of the connecting sleeve 604 is hollow, and the ejecting plate 607 is located in the hollow part of the connecting sleeve 604;

[0028] During the punching process, the pressing plate 401 squeezes the protrusion 606 as it moves downward, causing the movable plate 605, the connecting sleeve 604, and the movable sleeve 602 to move downward, exposing the ejecting plate 607 to eject the waste material after punching. After the punching is completed, it is reset by the spring 603, which can operate efficiently and continuously, thereby improving the punching efficiency.

[0029] See also Figure 1 to Figure 2 , an upper die base 2 is arranged on the top of the lower die base 1, an upper die 3 is fixedly connected to the lower surface of the upper die base 2, a cutting assembly 4 is arranged inside the upper die 3, the cutting assembly 4 includes a pressing plate 401, an edge cutter 402, and an annular cutter 403, a pressing plate 401 is installed inside the upper die 3, an edge cutter 402 is fixedly connected to the outer surface of the pressing plate 401, and the edge cutter 402 is in contact with the inner wall of the upper die 3, and at least one annular cutter 403 is fixedly connected to the lower surface of the pressing plate 401;

[0030] By providing a cutting assembly 4, the workpiece can be punched and shaped. The pressing plate 401 is driven down by an external press, and the edge cutter 402 is driven down to punch and shape the workpiece. The workpiece can be punched and shaped at the same time by cooperating with the annular cutter 403, thereby increasing work efficiency.

[0031] See also Figure 1-Figure 3 The lower mold 5 is fixedly connected to the lower mold base 1 by bolts, and the upper mold 3 is fixedly connected to the upper mold base 2 by bolts. The four corners of the upper surface of the lower mold base 1 are fixedly connected with guide sleeves 7, and the four corners of the lower surface of the upper mold base 2 are fixedly connected with guide columns 8;

[0032] The upper mold 3 and the lower mold 5 are installed and fixed by bolts, which is convenient for personnel to install and disassemble the molds. In the mold closing process, the upper mold 3 and the lower mold 5 can be accurately positioned by the guide column 8 and the guide sleeve 7 to ensure the punching effect.

[0033] In the utility model, the working principle of the device is as follows:

[0034] During operation, the workpiece to be processed is placed on the lower die 5, and then the upper die seat 2 and the upper die 3 are lowered to close the die. During the closing process, the upper die 3 presses the upper surface of the workpiece to fix it, and the pressing plate 401 is driven down by an external press, and the edge cutter 402 is driven down to punch and shape the workpiece. The workpiece can be punched at the same time with the annular cutter 403, which increases the work efficiency. During the punching process of the pressing plate 401, the protrusion 606 is squeezed during its downward movement, and the protrusion 606 drives the movable plate 605 to move downward after being subjected to force. , and at the same time drives the connecting sleeve 604 to move downward, so that the bottom end of the connecting sleeve 604 squeezes the spring 603 and the movable sleeve 602, and then drives the movable sleeve 602 to move downward, and at the same time compresses the spring 603, and finally exposes the ejector plate 607 to eject the waste generated inside the mold after punching, so that personnel can collect and clean the waste. After the punching is completed, the restriction on the protrusion 606 is released, and at this time the spring 603 is reset due to the action of the force, driving the connecting sleeve 604, the movable plate 605, and the protrusion 606 to reset, which can operate efficiently and continuously, and improve the punching efficiency.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A punching die for processing an automobile underbody guard plate, comprising a lower die base (1), characterized in that: An upper die base (2) is arranged on the top of the lower die base (1); a lower die (5) is fixedly connected to the upper surface of the lower die base (1); and at least one discharge assembly (6) is arranged inside the lower die (5); The discharge assembly (6) comprises a fixed rod (601), a movable sleeve (602), a spring (603), a connecting sleeve (604), a movable plate (605), a protrusion (606) and a ejection plate (607). The fixed rod (601) is arranged inside the lower mold (5). The surface of the fixed rod (601) is provided with a movable sleeve (602). The inner wall of the movable sleeve (602) is provided with a spring (603). The top of the movable sleeve (602) is provided with a connecting sleeve (604). The top of the connecting sleeve (604) is provided with a movable plate (605). The upper surface of the movable plate (605) is provided with protrusions (606) at four corners. The top of the fixed rod (601) is provided with an ejection plate (607).

2. The punching die for processing the automobile underbody guard plate according to claim 1, characterized in that: The lower surface of the upper die base (2) is fixedly connected to the upper die (3); a cutting assembly (4) is arranged inside the upper die (3); the cutting assembly (4) comprises a pressing plate (401), an edge cutter (402), and an annular cutter (403); a pressing plate (401) is installed inside the upper die (3); the outer surface of the pressing plate (401) is fixedly connected to the edge cutter (402), and the edge cutter (402) is in contact with the inner wall of the upper die (3); and the lower surface of the pressing plate (401) is fixedly connected to at least one annular cutter (403).

3. The punching die for processing an automobile underbody guard plate according to claim 1, characterized in that: The fixed rod (601) is fixedly connected to the upper surface of the lower die base (1), the movable sleeve (602) is slidably connected to the upper surface of the lower die base (1), the spring (603) is sleeved on the surface of the fixed rod (601), the connecting sleeve (604) is fixedly connected to the top of the movable sleeve (602), the movable plate (605) is fixedly connected to the outer wall of the connecting sleeve (604), the protrusion (606) is fixedly connected to the upper surface of the movable plate (605), and the ejector plate (607) is fixedly connected to the top of the fixed rod (601).

4. The punching die for processing an automobile underbody guard plate according to claim 1, characterized in that: The bottom end of the spring (603) is fixedly connected to the inner wall of the fixing rod (601), and the top end of the spring (603) is fixedly connected to the bottom end of the connecting sleeve (604).

5. The punching die for processing an automobile underbody guard plate according to claim 1, characterized in that: The interior of the connecting sleeve (604) is hollow, and the ejector plate (607) is located in the hollow portion of the connecting sleeve (604).

6. The punching die for processing an automobile underbody guard plate according to claim 1, characterized in that: The lower die (5) is fixedly connected to the lower die base (1) via bolts.

7. The punching die for processing an automobile underbody guard plate according to claim 2, characterized in that: The upper die (3) is fixedly connected to the upper die base (2) via bolts.

8. The punching die for processing an automobile underbody guard plate according to claim 1, characterized in that: The four corners of the upper surface of the lower die seat (1) are fixedly connected to guide sleeves (7), and the four corners of the lower surface of the upper die seat (2) are fixedly connected to guide columns (8).

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