Stamping device easy to adjust and used for sheet metal machining

Abstract

The utility model relates to the technical field of sheet metal processing, and provides an easy-to-adjust stamping device for sheet metal processing, which comprises a workbench and a support. The pre-pressing positioning structure is arranged, when the movable plate moves downwards, the movable plate drives the pressing plate to move downwards through the sliding rod, the bottom end of the pressing plate abuts against the top end of a metal plate, the movable plate drives the second hinge rod to move, meanwhile, the movable plate drives the punch to punch the metal plate, and the metal plate is punched through the punch along with the downward movement of the movable plate. During stamping, a sliding rod can move in a movable plate, a second hinge rod can rotate on one side of the top of a first hinge rod, at the moment, the bottom end of a pressing plate always abuts against the top end of a metal plate, deformation of the metal plate during stamping is avoided, the elasticity of a reset spring can be adjusted by rotating a nut, and then the pre-pressure of the pressing plate on the metal plate can be adjusted; and the function that the device is convenient for pre-pressing and positioning is realized, so that the applicability of the easy-to-adjust stamping device for sheet metal working during use is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sheet metal processing, in particular to an easily adjustable punching device for sheet metal processing. Background Art

[0002] Sheet metal is a comprehensive cold processing technology for thin metal plates. It occupies an important position in the manufacturing industry for its precise processing capabilities and wide range of applications. When processing sheet metal, it is necessary to stamp the sheet metal parts. In order to achieve the stamping of sheet metal parts, a stamping device is needed to process them. Therefore, an easily adjustable stamping device for sheet metal processing is used.

[0003] The existing easily adjustable sheet metal processing punching device is not convenient for pre-pressing and positioning during use, which causes the sheet metal parts to be easily deformed during punching. At the same time, it is not convenient to adjust the pre-pressure on the sheet metal, making it less applicable during use. Utility Model Content

[0004] The utility model aims to provide an easily adjustable punching device for sheet metal processing, so as to solve the defect that the existing easily adjustable punching device for sheet metal processing is inconvenient for pre-pressing and positioning.

[0005] In order to solve the above technical problems, the present utility model provides the following technical solutions: an easily adjustable stamping device for sheet metal processing, comprising a workbench and a support;

[0006] A support is fixed on the top of the workbench, a hydraulic telescopic rod passes through the top of the support, a movable plate is fixed on the bottom end of the hydraulic telescopic rod, a punch is fixed on the bottom end of the movable plate, and guide blocks are fixed on both sides of the movable plate;

[0007] Both sides of the movable plate are provided with a pre-pressing positioning structure, and the pre-pressing positioning structure includes a sliding rod, a nut, a return spring, a pressure plate, a first hinge rod and a second hinge rod, the sliding rod passes through both sides of the movable plate, the outer side of the sliding rod at the top of the movable plate is threadedly connected with a nut, the outer side of the sliding rod at the bottom of the movable plate is sleeved with a return spring, the bottom end of the sliding rod is fixed with a pressure plate, both sides of the top of the pressure plate are hinged with the first hinge rod, and one side of the top of the first hinge rod is hinged with the second hinge rod;

[0008] Support legs are evenly fixed on both sides of the bottom end of the workbench, a lower mold base is fixed at the middle position of the top end of the workbench, a mold cavity is passed through the interior of the lower mold base, a blanking chute is passed through the interior of the workbench at the bottom end of the mold cavity, and a collection structure is provided at the middle position of the bottom end of the workbench.

[0009] When using this device, by providing a pre-pressing positioning structure, the device can realize the function of facilitating pre-pressing positioning, thereby improving the applicability of the easily adjustable sheet metal processing punching device when in use; by providing a collection structure, the device can realize the function of facilitating collection, thereby improving the convenience of the easily adjustable sheet metal processing punching device when in use.

[0010] Preferably, the slide rod and the movable plate form a sliding structure, and the end of the second hinge rod away from the first hinge rod is hinged to the bottom end of the movable plate. The sheet metal is placed on the top of the lower die base. When the movable plate moves downward, the movable plate drives the pressure plate downward through the slide rod, so that the bottom end of the pressure plate contacts the top end of the sheet metal. The movable plate drives the second hinge rod to move, and at the same time, the movable plate drives the punch to punch the sheet metal. As the movable plate moves downward, the slide rod moves inside the movable plate, and the second hinge rod rotates on one side of the top of the first hinge rod. At this time, the bottom end of the pressure plate always contacts the top end of the sheet metal to prevent the sheet metal from being deformed during punching. By turning the nut, the elastic force of the return spring can be adjusted, and then the pre-pressure of the pressure plate on the sheet metal can be adjusted.

[0011] Preferably, the collection structure includes a collection frame, a connecting plate, a slide and a slide groove. The collection frame is arranged at the middle position of the bottom end of the workbench. Slide grooves are provided on both sides of the top of the collection frame at the bottom of the workbench. Slide grooves are provided inside the slide grooves, and a connecting plate is fixed on one side of the bottom end of the slide.

[0012] Preferably, handles are fixed at both ends of one side of the collection frame, and the bottom end of the connecting plate extends to the outside of the workbench and is fixedly connected to the top end of the collection frame. The collection frame is moved by the handle so that one end of the slide contacts one end of the chute. The collection frame is pushed by the handle, and the collection frame drives the slide via the connecting plate to move into the chute.

[0013] Preferably, the slide plate and the workbench form a sliding structure via a chute, the main cross-section of which is L-shaped. This allows the collection frame and the workbench to be fixed to each other, and the top cross-section of the blanking chute is larger than the top cross-section of the die cavity, allowing the stamped sheet metal to pass through the blanking chute and enter the collection frame for collection.

[0014] Preferably, a guide groove is provided inside a support on one side of the guide block, and the guide block and support form a sliding structure through the guide groove. When the hydraulic telescopic rod is activated, the hydraulic telescopic rod drives the movable plate to move, and the movable plate drives the guide block to move within the guide groove through the guide groove provided inside the support on one side of the guide block. Under the action of the guide block, the stability of the movable plate during movement is enhanced, and the movable plate drives the punch to punch the sheet metal at the top of the lower die base.

[0015] Preferably, the centerline of the blanking chute is collinear with the centerline of the mold cavity, and the top cross-section of the blanking chute is larger than the top cross-section of the mold cavity. By making the top cross-section of the blanking chute larger than the top cross-section of the mold cavity, the stamped sheet metal passes through the blanking chute into the interior of the collection frame for collection.

[0016] The easily adjustable punching device for sheet metal processing provided by the utility model has the following advantages:

[0017] By providing a pre-pressing positioning structure, the sheet metal is placed on the top of the lower die seat, and when the movable plate moves downward, the movable plate drives the pressure plate to move downward through the sliding rod, so that the bottom end of the pressure plate conflicts with the top end of the sheet metal, and the movable plate drives the second hinged rod to move, and at the same time, the movable plate drives the punch to punch the sheet metal. As the movable plate moves downward, the sliding rod will move inside the movable plate, and the second hinged rod will rotate to one side of the top of the first hinged rod. At this time, the bottom end of the pressure plate always conflicts with the top end of the sheet metal to avoid deformation of the sheet metal during stamping. By turning the nut, the elastic force of the return spring can be adjusted, and then the pre-pressure of the pressure plate on the sheet metal can be adjusted, thereby realizing the function of facilitating pre-pressing positioning of the device, thereby improving the applicability of the easily adjustable sheet metal processing stamping device when in use;

[0018] By providing a collection structure, the collection frame is moved by the handle so that one end of the slide contacts one end of the slide groove, and the collection frame is pushed by the handle. The collection frame drives the slide groove to the inside of the slide groove through the connecting plate, and then the collection frame and the workbench are fixed to each other. The top-view cross-section of the blanking chute is larger than the top-view cross-section of the mold cavity, so that the stamped sheet metal passes through the blanking chute into the interior of the collection frame for collection, thereby realizing the function of facilitating collection of the device, thereby improving the convenience of using the easily adjustable stamping device for sheet metal processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0021] Figure 3 For the utility model Figure 1 A in the middle is an enlarged structural diagram;

[0022] Figure 4 It is a schematic diagram of the cross-sectional three-dimensional structure of the utility model;

[0023] Figure 5 It is a side cross-sectional structural schematic diagram of the utility model.

[0024] Explanation of the reference numerals in the figure: 1. Workbench; 2. Support; 3. Hydraulic telescopic rod; 4. Moving plate; 5. Pre-pressing and positioning structure; 501. Sliding rod; 502. Nut; 503. Return spring; 504. Pressing plate; 505. First hinged rod; 506. Second hinged rod; 6. Collecting structure; 601. Collecting frame; 602. Connecting plate; 603. Slide plate; 604. Slide groove; 7. Lower die base; 8. Die cavity; 9. Support leg; 10. Guide block; 11. Punch; 12. Blanking chute. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figure 1-Figure 5 The utility model provides an easily adjustable stamping device for sheet metal processing, comprising a workbench 1 and a support 2. The top of the workbench 1 is fixed with a support 2, the top of the support 2 is penetrated by a hydraulic telescopic rod 3, the bottom end of the hydraulic telescopic rod 3 is fixed with a movable plate 4, the bottom end of the movable plate 4 is fixed with a punch 11, both sides of the movable plate 4 are fixed with guide blocks 10, and both sides of the movable plate 4 are provided with a pre-pressing positioning structure 5, which includes a slide bar 501, a nut 502, a return spring 503, a pressure plate 504, a first hinge rod 505 and a second hinge rod 506. The slide bar 501 penetrates both sides of the movable plate 4. The outer side of the sliding rod 501 at the top of the plate 4 is threadedly connected with a nut 502, and the outer side of the sliding rod 501 at the bottom of the movable plate 4 is sleeved with a return spring 503. The bottom end of the sliding rod 501 is fixed with a pressure plate 504, and both sides of the top of the pressure plate 504 are hinged with a first hinge rod 505, and one side of the top of the first hinge rod 505 is hinged with a second hinge rod 506. The sliding rod 501 and the movable plate 4 form a sliding structure, and the end of the second hinge rod 506 away from the first hinge rod 505 is hinged to the bottom end of the movable plate 4. A guide groove is provided inside the support 2 on one side of the guide block 10, and the guide block 10 and the support 2 form a sliding structure through the guide groove.

[0027] Reference Figure 2 and Figure 4As shown, the sheet metal is placed on the top of the lower die base 7. When the movable plate 4 moves downward, the movable plate 4 drives the pressure plate 504 to move downward through the slide bar 501, so that the bottom end of the pressure plate 504 conflicts with the top end of the sheet metal. The movable plate 4 drives the second hinge rod 506 to move. At the same time, the movable plate 4 drives the punch 11 to punch the sheet metal. As the movable plate 4 moves downward, the slide bar 501 moves inside the movable plate 4, and the second hinge rod 506 rotates to one side of the top of the first hinge rod 505. At this time, the bottom end of the pressure plate 504 is always in contact with the top end of the sheet metal. The support 2 on one side of the guide block 10 is provided with a guide groove, and the movable plate 4 drives the guide block 10 to move inside the guide groove. Under the action of the guide block 10, the stability of the movable plate 4 during movement is enhanced, and the movable plate 4 drives the punch 11 to punch the sheet metal at the top of the lower die base 7.

[0028] The legs 9 are evenly fixed on both sides of the bottom of the workbench 1, and the lower die base 7 is fixed at the middle position of the top of the workbench 1. The interior of the lower die base 7 is penetrated by a die cavity 8, and the interior of the workbench 1 at the bottom of the die cavity 8 is penetrated by a blanking chute 12. A collection structure 6 is provided at the middle position of the bottom of the workbench 1. The collection structure 6 includes a collection frame 601, a connecting plate 602, a slide 603 and a slide 604. The collection frame 601 is provided at the middle position of the bottom of the workbench 1, and slides 604 are provided on both sides of the top of the collection frame 601 at the bottom of the workbench 1. 4. A slide 603 is provided inside the slide 604, and a connecting plate 602 is fixed on one side of the bottom end of the slide 603. Handles are fixed at both ends of one side of the collection frame 601. The bottom end of the connecting plate 602 extends to the outside of the workbench 1 and is fixedly connected to the top of the collection frame 601. The slide 603 and the workbench 1 form a sliding structure through the slide 604. The main view section of the slide 604 is "L" shaped. The center line of the blanking chute 12 is collinear with the center line of the mold cavity 8, and the top view section of the blanking chute 12 is larger than the top view section of the mold cavity 8.

[0029] Reference Figure 1 and Figure 3 As shown, the collection frame 601 is moved by the handle so that one end of the slide 603 contacts one end of the slide groove 604, and the collection frame 601 is pushed by the handle. The collection frame 601 drives the slide 603 to move to the inside of the slide groove 604 through the connecting plate 602, thereby fixing the collection frame 601 and the workbench 1 to each other. The top-view cross-section of the blanking chute 12 is larger than the top-view cross-section of the mold cavity 8, so that the stamped sheet metal passes through the blanking chute 12 and enters the interior of the collection frame 601 for collection.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An easily adjustable punching device for sheet metal processing, comprising a workbench (1) and a support (2); Its characteristics are: A support (2) is fixed to the top of the workbench (1), a hydraulic telescopic rod (3) passes through the top of the support (2), a movable plate (4) is fixed to the bottom end of the hydraulic telescopic rod (3), a punch (11) is fixed to the bottom end of the movable plate (4), and guide blocks (10) are fixed on both sides of the movable plate (4); Both sides of the interior of the movable plate (4) are provided with a pre-stressed positioning structure (5), and the pre-stressed positioning structure (5) includes a slide rod (501), a nut (502), a return spring (503), a pressure plate (504), a first hinge rod (505) and a second hinge rod (506). The slide rod (501) runs through both sides of the interior of the movable plate (4). The outer side of the slide rod (501) at the top of the movable plate (4) is threadedly connected with a nut (502). The outer side of the slide rod (501) at the bottom of the movable plate (4) is sleeved with a return spring (503). The bottom end of the slide rod (501) is fixed with a pressure plate (504). Both sides of the top of the pressure plate (504) are hinged with the first hinge rod (505), and one side of the top of the first hinge rod (505) is hinged with the second hinge rod (506). Support legs (9) are evenly fixed on both sides of the bottom end of the workbench (1), a lower die base (7) is fixed at the middle position of the top end of the workbench (1), a die cavity (8) is passed through the interior of the lower die base (7), a blanking chute (12) is passed through the interior of the workbench (1) at the bottom end of the die cavity (8), and a collecting structure (6) is provided at the middle position of the bottom end of the workbench (1).

2. The easily adjustable sheet metal processing punching device according to claim 1, characterized in that: The sliding rod (501) and the movable plate (4) form a sliding structure, and the end of the second hinge rod (506) away from the first hinge rod (505) is hinged to the bottom end of the movable plate (4).

3. The easily adjustable sheet metal processing punching device according to claim 1, characterized in that: The collecting structure (6) comprises a collecting frame (601), a connecting plate (602), a slide plate (603) and a slide groove (604); the collecting frame (601) is arranged at the middle position of the bottom end of the workbench (1); slide grooves (604) are provided on both sides of the top end of the collecting frame (601) at the bottom of the workbench (1); slide plates (603) are provided inside the slide grooves (604); and a connecting plate (602) is fixed to one side of the bottom end of the slide plate (603).

4. The easily adjustable sheet metal processing punching device according to claim 3, characterized in that: Handles are fixed at both ends of one side of the collecting frame (601), and the bottom end of the connecting plate (602) extends to the outside of the workbench (1) and is fixedly connected to the top end of the collecting frame (601).

5. The easily adjustable sheet metal processing punching device according to claim 3, characterized in that: The slide plate (603) and the workbench (1) form a sliding structure through a slide groove (604), and the main view cross section of the slide groove (604) is designed to be "L" shaped.

6. The easily adjustable sheet metal processing punching device according to claim 1, characterized in that: A guide groove is provided inside the support (2) on one side of the guide block (10), and the guide block (10) and the support (2) form a sliding structure through the guide groove.

7. The easily adjustable sheet metal processing punching device according to claim 1, characterized in that: The center line of the blanking trough (12) is collinear with the center line of the mold cavity (8), and the top view cross section of the blanking trough (12) is larger than the top view cross section of the mold cavity (8).

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