Stable punching machine

Abstract

The utility model discloses a stable type punching machine which comprises a slidable supporting plate, the two sides, close to the edge, of the upper end of the slidable supporting plate are both connected with limiting shaft rods in a sliding mode by forming through holes, the lower ends of the limiting shaft rods are fixedly connected with a fixed supporting plate, and the lower end of the fixed supporting plate is fixedly connected with a working platform. Workpiece placing tables are fixedly connected to the two sides, close to the middle, of the upper end of the working platform. After a workpiece is placed on the workpiece lapping table, the stamping hammer is pressed downwards, the two ends of the bottom of the stamping hammer abut against the upper end of the slidable lapping plate when the stamping hammer faces downwards, the slidable lapping plate slides downwards in the main body supporting limiting plate in a limited mode, and meanwhile the auxiliary connecting plate is driven to compress the buffer spring downwards; and when the buffer spring is compressed, the falling speed of the stamping hammer is buffered, so that the speed of pressing the stamping hammer by the electric push rod is controlled, and the situation that the production of workpieces is unqualified due to the fact that the stamping force of the workpieces is too large is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical design, manufacturing and automation, in particular to a stable punching machine. Background Art

[0002] Mechanical design, manufacturing and automation refers to the use of mechanical engineering principles and techniques to design, manufacture and optimize equipment, tools or mechanical systems, and combine automation technology to achieve automated control and management of the production process. Automated production can replace manual labor to achieve large-scale and regularized efficient production. Therefore, the application of mechanical design, manufacturing and automation technology can increase production efficiency and product competitiveness.

[0003] According to a stable auxiliary positioning punching machine disclosed in the patent search announcement number CN212944959U, its beneficial effects are: the positions of the upper mold and the lower mold can be adjusted according to the size and position of the workpiece to be processed, and for workpieces of different sizes, the upper mold and the lower mold can be replaced and the replaced workpiece size can be punched.

[0004] When the workpiece is being stamped, the stamping plate moves too fast under the drive of the electric telescopic rod, and it is difficult to control the speed of pressing down, causing the workpiece to be stamped too much, resulting in the stamped workpiece not meeting the production standards and causing the workpiece to be scrapped. Utility Model Content

[0005] The utility model provides a stable punching machine to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A stable punching machine comprises a slidable support plate, both sides of the upper end of the slidable support plate near the edge are slidably connected to a limiting shaft rod through a through hole, the lower end of the limiting shaft rod is fixedly connected to a fixed support plate, the lower end of the fixed support plate is fixedly connected to a working platform, both sides of the upper end of the working platform near the middle are fixedly connected to a workpiece placing table, both sides of the workpiece placing table are provided with a downward pressure buffer mechanism, and both sides of the lower end of the slidable support plate are fixedly connected to a punching hammer;

[0008] The downward pressure buffer mechanism includes a main body support limit plate, the main body support limit plate is fixed on one side of the workpiece placing table, the inner wall of the main body support limit plate is slidably connected with a slidable strap, one side of the upper end of the slidable strap is fixedly connected with an auxiliary connecting plate, one end of the auxiliary connecting plate is fixedly connected with a buffer spring, the lower end of the buffer spring is fixedly connected with a fixed block, and the side of the fixed block is fixed to the side of the main body support limit plate.

[0009] As a further improvement of the technical solution: both ends of the slidable support plate are fixedly connected with electric push rods, and the upper end of the electric push rod is fixedly connected to the top of one side of the fixed support plate through a limiting connection block.

[0010] As a further improvement of the technical solution: the lower end of the working platform is fixedly connected with a bottom support column, and the lower ends of both sides of the bottom support column are provided with auxiliary pulleys.

[0011] As a further improvement of the technical solution: a workpiece placement rack is fixedly connected to the middle of one side of the bottom support column, and a storage drawer is slidably connected to the middle of the front of the working platform through a sliding groove.

[0012] As a further improvement of the technical solution: the tops of the other two side surfaces of the bottom support column are fixedly connected to cart handles, and the middle of the other side surface of one of the bottom support columns is fixedly connected to a trash can.

[0013] As a further improvement of the technical solution: lighting lamps are fixedly connected to both sides of the upper end of the slidable support plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] After the workpiece is placed on the workpiece placing table, the punching hammer is pressed down. When the punching hammer moves downward, the two ends of its bottom abut against the upper end of the slidable strap, and the slidable strap slides downward within the main support limit plate, while driving the auxiliary connecting plate to compress the buffer spring downward. When the buffer spring is compressed, the falling speed of the punching hammer is buffered, thereby controlling the speed at which the punching hammer is pressed down by the electric push rod, thereby avoiding the occurrence of unqualified workpieces due to excessive punching pressure on the workpiece.

[0016] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0018] Figure 1 This is a structural schematic diagram of a stable punching machine proposed by the utility model;

[0019] Figure 2This is a schematic diagram of the split structure of a stable punching machine proposed by the utility model;

[0020] Figure 3 The utility model is a schematic diagram of the disassembled structure of the downward pressure buffer mechanism of a stable punching machine.

[0021] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0022] 1. Slidable support plate; 2. Limiting shaft rod; 3. Fixed support plate; 4. Working platform; 5. Workpiece placing table; 6. Downward pressure buffer mechanism; 601. Main support limiting plate; 602. Slidable plate; 603. Auxiliary connecting plate; 604. Buffer spring; 605. Fixed block; 7. Punching hammer; 8. Electric push rod; 9. Limited connecting block; 10. Bottom support column; 11. Auxiliary pulley; 12. Workpiece placing frame; 13. Storage drawer; 14. Cart handle; 15. Trash can; 16. Lighting lamp. DETAILED DESCRIPTION

[0023] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0024] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0026] See also Figures 1 to 3In the embodiment of the utility model, a stable punching machine includes a slidable support plate 1, both sides of the upper end of the slidable support plate 1 near the edge are slidably connected to a limit shaft rod 2 through a through hole, the lower end of the limit shaft rod 2 is fixedly connected to a fixed support plate 3, the lower end of the fixed support plate 3 is fixedly connected to a working platform 4, the upper end of the working platform 4 is fixedly connected to a workpiece placing table 5 on both sides near the middle, and the two sides of the workpiece placing table 5 are provided with a downward pressure buffer mechanism 6, and both sides of the lower end of the slidable support plate 1 are fixedly connected to a punching hammer 7;

[0027] The downward pressure buffer mechanism 6 includes a main body support limit plate 601, which is fixed to one side of the workpiece placing table 5, and the inner wall of the main body support limit plate 601 is slidably connected with a slidable plate 602, and one side of the upper end of the slidable plate 602 is fixedly connected with an auxiliary connecting plate 603, and one end of the auxiliary connecting plate 603 is fixedly connected with a buffer spring 604, and the lower end of the buffer spring 604 is fixedly connected with a fixed block 605, and the side of the fixed block 605 is fixed to the side of the main body support limit plate 601, and the workpiece is placed After being placed on the workpiece placing table 5, the punching hammer 7 is pressed downward. When the punching hammer 7 moves downward, the two ends of its bottom abut against the upper ends of the slidable strap 602. The slidable strap 602 slides downward within the main support limit plate 601, and at the same time drives the auxiliary connecting plate 603 to compress the buffer spring 604 downward. When the buffer spring 604 is compressed, the falling speed of the punching hammer 7 is buffered, thereby controlling the speed at which the punching hammer 7 is pressed downward by the electric push rod 8, thereby avoiding the occurrence of unqualified production of the workpiece due to excessive punching pressure on the workpiece.

[0028] See also Figures 1-2 Both ends of the slidable support plate 1 are fixedly connected with an electric push rod 8, and the upper end of the electric push rod 8 is fixedly connected to the top of one side of the fixed support plate 3 through a limiting connection block 9. The parameters of the electric push rod 8 are set as: HB series, maximum dynamic load 12000N, self-locking force 15000N, reduction ratio 43:1, pitch 4mm, maximum stroke 1000mm.

[0029] See also Figures 1-2 The lower end of the working platform 4 is fixedly connected to a bottom support column 10, and the lower ends of both sides of the bottom support column 10 are provided with auxiliary pulleys 11. The auxiliary pulleys 11 are installed at the lower end of the bottom support column 10, and the stamping machine can be moved to a corresponding position for stamping operations.

[0030] See also Figures 1-2A workpiece placement rack 12 is fixedly connected to the middle of one side of the bottom support column 10, and a storage drawer 13 is slidably connected to the middle of the front of the working platform 4 through a slide groove. The stamped finished products are placed on the workpiece placement rack 12, and the workpieces are collected, transported and packaged when they are full. Corresponding maintenance tools can be placed in the storage drawer 13 to facilitate daily maintenance and repair of the stamping machine.

[0031] See also Figures 1-2 The tops of the other two sides of the bottom support column 10 are fixedly connected with cart handles 14, and the middle of the other side of one of the bottom support columns 10 is fixedly connected with a trash can 15. Iron filings are inevitably generated during the stamping process, and the cleaned iron filings are placed in the trash can 15 and wait for subsequent processing.

[0032] See also Figures 1-2 Both sides of the upper end of the slidable support plate 1 are fixedly connected with lighting lamps 16, which can provide operating lighting for the punching machine.

[0033] The working principle of the utility model is:

[0034] Place the workpiece on the workpiece placing table 5, and after ensuring it is safe, drive the electric push rod 8 to retract and extend, driving the slidable support plate 1 to slide downward on the surface of the limiting shaft rod 2, driving the punching hammer 7 to press downward, and the two ends of the bottom of the punching hammer 7 contact the upper end of the slidable strap 602, driving the slidable strap 602 and the auxiliary connecting plate 603 to slide downward together in the main support limiting plate 601, and one end of the auxiliary connecting plate 603 compresses the buffer spring 604 downward, so that the speed at which the punching hammer 7 is pressed down by the electric push rod 8 is controlled, thereby avoiding an increase in the production defective rate of the workpiece due to excessive punching of the workpiece.

[0035] The above description is only a preferred embodiment of the utility model and does not impose any form of limitation on the utility model. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. A stable punching machine, comprising a slidable support plate (1), characterized in that: Both sides of the upper end of the slidable support plate (1) near the edge are slidably connected to the limiting shaft rod (2) through a through hole, the lower end of the limiting shaft rod (2) is fixedly connected to the fixed support plate (3), the lower end of the fixed support plate (3) is fixedly connected to the working platform (4), the upper end of the working platform (4) is fixedly connected to the two sides near the middle with the workpiece placing table (5), the two side surfaces of the workpiece placing table (5) are provided with a downward pressure buffer mechanism (6), and the two sides of the lower end of the slidable support plate (1) are fixedly connected to the punching hammer (7); The downward-pressing buffer mechanism (6) comprises a main body support limit plate (601), wherein the main body support limit plate (601) is fixed on a side surface of the workpiece placing platform (5), the inner wall of the main body support limit plate (601) is slidably connected with a slidable strap plate (602), one side of the upper end of the slidable strap plate (602) is fixedly connected with an auxiliary connecting plate (603), one end of the auxiliary connecting plate (603) is fixedly connected with a buffer spring (604), the lower end of the buffer spring (604) is fixedly connected with a fixed strap block (605), and the side surface of the fixed strap block (605) is fixed to the side surface of the main body support limit plate (601).

2. A stable punching machine according to claim 1, characterized in that: Both ends of the slidable support plate (1) are fixedly connected with electric push rods (8), and the upper end of the electric push rod (8) is fixedly connected to the top of one side of the fixed support plate (3) through a limiting connection block (9).

3. A stable punching machine according to claim 1, characterized in that: The lower end of the working platform (4) is fixedly connected to a bottom support column (10), and the lower ends of both side surfaces of the bottom support column (10) are provided with auxiliary pulleys (11).

4. A stable punching machine according to claim 3, characterized in that: A workpiece placement rack (12) is fixedly connected to the middle of one side of the bottom support column (10), and a storage drawer (13) is slidably connected to the middle of the front of the working platform (4) via a sliding groove.

5. A stable punching machine according to claim 3, characterized in that: The tops of the other two side surfaces of the bottom support column (10) are fixedly connected to cart handles (14), and a trash can (15) is fixedly connected to the middle of the other side surface of one of the bottom support columns (10).

6. A stable punching machine according to claim 1, characterized in that: Both sides of the upper end of the slidable support plate (1) are fixedly connected with lighting lamps (16).

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