Limiting clamp for punching machine

Abstract

The utility model discloses a limiting clamp for a punching machine, which belongs to the technical field of punching machines, and adopts the technical scheme that the limiting clamp comprises a base, sealing mechanisms are arranged on the front side and the rear side of the top of the base, a first magnetic frame is fixedly connected to the top of the base, and a fixing plate is fixedly connected to the bottom of the base; the sealing mechanism comprises a first hinge, a first sealing plate and a second sealing plate, the bottom of the first sealing plate makes contact with the top of the base, and the problems that after most existing limiting clamps for the punching machine are used for clamping workpieces and machining is conducted through the punching machine, a large number of chippings are attached to the surfaces of the limiting clamps for the punching machine, cleaning is troublesome, and the machining efficiency is high are solved. The limiting clamp for the punching machine solves the problems that when the limiting clamp for the punching machine is used for clamping some workpieces without clamping points, the workpieces cannot be clamped easily and are prone to dislocation, so that the machining quality of the workpieces is affected, and the limiting clamp for the punching machine is serious in loss and needs to be maintained frequently.

Description

Technical Field

[0001] The utility model relates to the technical field of punching machines, in particular to a limiting clamp for a punching machine. Background Art

[0002] The limit fixture for punch press refers to a device used to fix the processing object in the mechanical manufacturing process so that it occupies the correct position for construction or inspection, also known as a fixture.

[0003] At present, a Chinese patent with announcement number CN214977255U discloses a punch press limit clamp, including a punch plate, an installation groove is provided on the upper end surface of the punch plate, a slide groove is fixedly connected to the inner wall surface of the installation groove, a slider is slidably connected in the slide groove, a clamping block is fixedly connected to the side wall surface of the slider, a positioning plate is fixedly connected to the rear end surface of the slider, a positioning hole is provided on the positioning plate, a plurality of threaded holes are provided on the upper end surface of the punch plate and on both sides of the installation groove, the positioning holes and the threaded holes are connected by positioning screws, this utility model realizes the adjustment of the spacing between the clamping blocks by sliding the slider in the slide groove, and finally realizes the fixing process of the clamping block by the positioning component, which can ensure that the workpiece is tightened, the whole structure is simple, and it is easy to operate, saving adjustment time.

[0004] Most of the existing limit clamps for punching machines clamp the workpiece. After the punching machine is used for processing, a large amount of debris is attached to the surface of the limit clamps for punching machines, which is troublesome to clean. When the limit clamps for punching machines clamp some workpieces without clamping points, it is not easy to clamp the workpiece, which can easily cause the workpiece to be misplaced, thereby affecting the quality of workpiece processing. In addition, the limit clamps for punching machines are severely worn and need to be maintained frequently. Utility Model Content

[0005] The utility model provides a limit clamp for a punching machine, aiming to solve the problems that most existing limit clamps for punching machines clamp a workpiece, and after the punching machine is used for processing, a large amount of debris is attached to the surface of the limit clamp for the punching machine, which is troublesome to clean; when the limit clamp for the punching machine clamps some workpieces without clamping points, it is difficult to clamp the workpiece, which easily causes the workpiece to be misaligned, thereby affecting the quality of the workpiece processing; and the limit clamp for the punching machine has a serious wear and tear, and needs to be frequently maintained.

[0006] The utility model is implemented as follows: a limit clamp for a punch press comprises a base, the front side and the rear side of the top of the base are both provided with sealing mechanisms, the top of the base is fixedly connected with a first magnetic frame, and the bottom of the base is fixedly connected with a fixing plate;

[0007] The sealing mechanism includes a first hinge, a first sealing plate and a second sealing plate. The bottom of the first sealing plate contacts the top of the base. The connection between the first sealing plate and the base is rotatably connected by the first hinge. The top of the first sealing plate extends to the interior of the second sealing plate and contacts the interior of the second sealing plate.

[0008] In order to facilitate the rotation of the second sealing plate, as a preferred limit clamp for a punch press of the utility model, a second hinge is provided at the bottom of the second sealing plate, and the connection between the second sealing plate and the base is rotatably connected through the second hinge.

[0009] In order to achieve the effect of fixing the first electric telescopic column, as a preferred limit clamp for a punching machine of the utility model, a first sealing groove is opened on the top of the base, and three first electric telescopic columns are fixedly connected inside the first sealing groove.

[0010] In order to achieve the effect of fixing the second electric telescopic column, as a preferred limit clamp for a punching machine of the utility model, a second sealing groove is opened on the top of the base, and three second electric telescopic columns are fixedly connected inside the first sealing groove.

[0011] In order to achieve the effect of fixedly supporting the second magnetic frame and the third magnetic frame, as a preferred limit clamp for a punching machine of the utility model, a second magnetic frame is arranged inside the first sealing groove, and the bottom of the second magnetic frame is fixedly connected to the bottom of the first electric telescopic column; a third magnetic frame is arranged inside the second sealing groove, and the bottom of the third magnetic frame is fixedly connected to the top of the second electric telescopic column.

[0012] In order to achieve the effect of sealing the second magnetic frame and the third magnetic frame, as a preferred limit clamp for a punching machine of the utility model, the surface of the second magnetic frame is slidably connected to the inside of the first sealing groove, the surface of the third magnetic frame is slidably connected to the inside of the second sealing groove, and the top of the second magnetic frame and the top of the third magnetic frame are respectively in contact with the bottom of the second sealing plate and the bottom of the first sealing plate.

[0013] In order to achieve the effect of limiting the second magnetic frame and the third magnetic frame, as a preferred limiting clamp for a punching machine of the utility model, the interior of the first sealing groove and the interior of the second sealing groove are fixedly connected to a limiting plate, and the surfaces of the second magnetic frame and the third magnetic frame are in contact with the bottom of the limiting plate.

[0014] In order to facilitate the installation of the base, as a preferred limit clamp for a punching machine of the utility model, bolts are provided at the four corners of the top of the fixing plate, and the bottom of the bolt passes through the limit plate and extends to the bottom of the limit plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The limit clamp for a punch press installs a base at a suitable position through a fixing plate, moves the workpiece to the top of the first magnetic frame and magnetically attracts the top of the first magnetic frame, so that the first magnetic frame fixes and limits the workpiece, rotates the first sealing plate, and rotates the first sealing plate through the first hinge, so that the first sealing plate seals the second sealing groove, thereby facilitating later cleaning and reducing the loss of the first magnetic frame and the second magnetic frame. This solves the problem that most existing limit clamps for punch presses clamp the workpiece, and after the punch press is used for processing, a large amount of debris is attached to the surface of the limit clamp for the punch press, which is troublesome to clean. When the limit clamp for the punch press clamps some workpieces without clamping points, it is not easy to clamp the workpiece, and the workpiece is easily misplaced, thereby affecting the quality of workpiece processing. In addition, the limit clamp for the punch press has a serious loss and needs to be frequently maintained. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the overall structural diagram of the limit clamp for the punch press of the utility model;

[0018] Figure 2 It is a three-dimensional connection schematic diagram of the sealing mechanism in the utility model;

[0019] Figure 3 It is a schematic diagram of the three-dimensional connection between the second magnetic frame and the base in the utility model;

[0020] Figure 4 For this utility model Figure 3 A partial enlarged view of the middle A;

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure inside the base of the utility model;

[0022] Figure 6 For this utility model Figure 5 A partial enlarged view of point B in the middle.

[0023] In the figure, 1, base; 2, fixing plate; 3, sealing mechanism; 301, first hinge; 302, first sealing plate; 303, second sealing plate; 4, first magnetic frame; 5, second hinge; 6, bolt; 7, third magnetic frame; 8, second sealing groove; 9, first sealing groove; 10, limit plate; 11, second electric telescopic column; 12, first electric telescopic column; 13, second magnetic frame. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0026] See also Figure 1-6 The utility model provides a technical solution: a limiting clamp for a punching machine, comprising a base 1, a sealing mechanism 3 is arranged on the front side and the rear side of the top of the base 1, a first magnetic frame 4 is fixedly connected to the top of the base 1, and a fixing plate 2 is fixedly connected to the bottom of the base 1;

[0027] The sealing mechanism 3 includes a first hinge 301, a first sealing plate 302 and a second sealing plate 303. The bottom of the first sealing plate 302 contacts the top of the base 1. The connection between the first sealing plate 302 and the base 1 is rotatably connected through the first hinge 301. The top of the first sealing plate 302 extends to the interior of the second sealing plate 303 and contacts the interior of the second sealing plate 303.

[0028] In this embodiment: by installing the base 1 at a suitable position through the fixing plate 2, the workpiece is moved to the top of the first magnetic frame 4 and magnetically attracted to the top of the first magnetic frame 4, so that the first magnetic frame 4 fixes and limits the workpiece, and the first sealing plate 302 is rotated, and the first sealing plate 302 is rotated through the first hinge 301, so that the first sealing plate 302 seals the second sealing groove 8, thereby facilitating subsequent cleaning and reducing the loss of the first magnetic frame 4 and the second magnetic frame 13.

[0029] As a technical optimization solution of the present invention, a second hinge 5 is provided at the bottom of the second sealing plate 303 , and the connection between the second sealing plate 303 and the base 1 is rotatably connected via the second hinge 5 .

[0030] In this embodiment, the second sealing plate 303 can be easily rotated by rotatably connecting the connection between the second sealing plate 303 and the base 1 through the second hinge 5, thereby achieving the effect of facilitating the rotation of the second sealing plate 303.

[0031] As a technical optimization solution of the utility model, a first sealing groove 9 is opened on the top of the base 1, and three first electric telescopic columns 12 are fixedly connected inside the first sealing groove 9.

[0032] In this embodiment, the first electric telescopic column 12 can be fixed by fixedly connecting the surface of the first electric telescopic column 12 with the interior of the first sealing plate 302 , thereby achieving the effect of fixing the first electric telescopic column 12 .

[0033] As a technical optimization solution of the utility model, a second sealing groove 8 is opened on the top of the base 1, and three second electric telescopic columns 11 are fixedly connected inside the first sealing groove 9.

[0034] In this embodiment, the second electric telescopic column 11 can be fixed by fixing the surface of the second electric telescopic column 11 with the interior of the second sealing groove 8, thereby achieving the effect of fixing the second electric telescopic column 11.

[0035] As a technical optimization solution of the utility model, a second magnetic frame 13 is arranged inside the first sealing groove 9, and the bottom of the second magnetic frame 13 is fixedly connected to the bottom of the first electric telescopic column 12, and a third magnetic frame 7 is arranged inside the second sealing groove 8, and the bottom of the third magnetic frame 7 is fixedly connected to the top of the second electric telescopic column 11.

[0036] In this embodiment: by fixing the bottom of the second magnetic frame 13 with the bottom of the first electric telescopic column 12, and fixing the bottom of the third magnetic frame 7 with the top of the second electric telescopic column 11, the second magnetic frame 13 and the third magnetic frame 7 can be fixedly supported, thereby achieving the effect of fixing the second magnetic frame 13 and the third magnetic frame 7.

[0037] As a technical optimization solution of the utility model, the surface of the second magnetic frame 13 is slidably connected to the inside of the first sealing groove 9, the surface of the third magnetic frame 7 is slidably connected to the inside of the second sealing groove 8, and the top of the second magnetic frame 13 and the top of the third magnetic frame 8 are in contact with the bottom of the second sealing plate 303 and the bottom of the first sealing plate 302 respectively.

[0038] In this embodiment, by making the top of the second magnetic frame 13 and the top of the third magnetic frame 8 contact with the bottom of the second sealing plate 303 and the bottom of the first sealing plate 302 respectively, the second magnetic frame 13 and the third magnetic frame 7 can be sealed and protected, thereby achieving the effect of sealing the second magnetic frame 13 and the third magnetic frame 7.

[0039] As a technical optimization solution of the utility model, the interior of the first sealing groove 9 and the interior of the second sealing groove 8 are fixedly connected to the limiting plate 10, and the surfaces of the second magnetic frame 13 and the third magnetic frame 7 are in contact with the bottom of the limiting plate 10.

[0040] In this embodiment, by making the surfaces of the second magnetic frame 13 and the third magnetic frame 7 contact with the bottom of the limiting plate 10, the limiting plate 10 can limit the second magnetic frame 13 and the third magnetic frame 7 respectively, thereby achieving the effect of limiting the second magnetic frame 13 and the third magnetic frame 7.

[0041] As a technical optimization solution of the present invention, bolts 6 are provided at the four corners of the top of the fixing plate 2 , and the bottom of the bolts 6 passes through the limiting plate 10 and extends to the bottom of the limiting plate 10 .

[0042] In this embodiment, by fixing the mounting plate with bolts 6 , the base 1 can be fixed with the mounting plate, thereby achieving the effect of facilitating the installation of the base 1 .

[0043] Working principle: First, the base 1 is installed and fixed by bolts 6, and the workpiece to be processed is moved to the top of the base 1 and contacts with the top of the first magnetic frame 4, so that the first magnetic frame 4 magnetically clamps and fixes the bottom of the workpiece, and then according to the volume of the workpiece, the first electric telescopic column 12 drives the second magnetic frame 13 to move upward to a suitable position inside the first sealing groove 9, so that the top of the second magnetic frame 13 contacts with the bottom of the workpiece, and the bottom of the limiting plate 10 contacts with the surface of the second magnetic frame 13, so that the second magnetic frame 13 can be limited, so that the second magnetic frame 13 can assist in fixing the workpiece to prevent the workpiece from moving at will, and then the first sealing plate 302 is rotated, so that the first sealing plate 302 is rotated through the first hinge 301, so that the bottom of the first sealing plate 302 contacts with the top of the third magnetic frame 7, and the second sealing plate 302 can be The sealing groove 8 is sealed and protected, and then the punch press is used to process the workpiece, so that the first sealing plate 302 blocks the iron chips and prevents the iron chips from moving into the inside of the second sealing groove 8, reducing the wear of the first magnetic frame 4 and the second magnetic frame 13, and making the surface of the second magnetic frame 13 seal the inside of the first sealing groove 9, thereby facilitating the later cleaning of the first magnetic frame 4 and the second magnetic frame 13 by the base 1, and solving the problem that most of the existing limit clamps for punch presses clamp the workpiece. After the punch press is used for processing, a large amount of debris is attached to the surface of the limit clamps for the punch press, which is troublesome to clean. When the limit clamps for the punch press clamp some workpieces without clamping points, it is not easy to clamp the workpiece, which is easy to cause the workpiece to be dislocated, thereby affecting the quality of the workpiece processing, and the wear of the limit clamps for the punch press is relatively serious, and it needs to be maintained frequently.

[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A limit clamp for a punch press, comprising a base (1), characterized in that: The front side and the rear side of the top of the base (1) are both provided with sealing mechanisms (3); the top of the base (1) is fixedly connected to a first magnetic frame (4); and the bottom of the base (1) is fixedly connected to a fixing plate (2); The sealing mechanism (3) comprises a first hinge (301), a first sealing plate (302) and a second sealing plate (303); the bottom of the first sealing plate (302) contacts the top of the base (1); the connection between the first sealing plate (302) and the base (1) is rotatably connected via the first hinge (301); the top of the first sealing plate (302) extends to the interior of the second sealing plate (303) and contacts the interior of the second sealing plate (303).

2. A limit clamp for a punch press according to claim 1, characterized in that: A second hinge (5) is provided at the bottom of the second sealing plate (303), and the connection between the second sealing plate (303) and the base (1) is rotatably connected via the second hinge (5).

3. The limiting fixture for a punch press according to claim 1, characterized in that: A first sealing groove (9) is provided on the top of the base (1), and three first electric telescopic columns (12) are fixedly connected inside the first sealing groove (9).

4. The limiting fixture for a punch press according to claim 3, characterized in that: A second sealing groove (8) is provided on the top of the base (1), and three second electric telescopic columns (11) are fixedly connected inside the first sealing groove (9).

5. The limiting fixture for a punch press according to claim 4, characterized in that: A second magnetic frame (13) is arranged inside the first sealing groove (9), and the bottom of the second magnetic frame (13) is fixedly connected to the bottom of the first electric telescopic column (12); a third magnetic frame (7) is arranged inside the second sealing groove (8), and the bottom of the third magnetic frame (7) is fixedly connected to the top of the second electric telescopic column (11).

6. The limiting fixture for a punch press according to claim 5, characterized in that: The surface of the second magnetic frame (13) is slidably connected to the interior of the first sealing groove (9), the surface of the third magnetic frame (7) is slidably connected to the interior of the second sealing groove (8), and the top of the second magnetic frame (13) and the top of the third magnetic frame (7) are in contact with the bottom of the second sealing plate (303) and the bottom of the first sealing plate (302) respectively.

7. The limiting fixture for a punch press according to claim 5, characterized in that: The interior of the first sealing groove (9) and the interior of the second sealing groove (8) are both fixedly connected to a limiting plate (10), and the surfaces of the second magnetic frame (13) and the third magnetic frame (7) are both in contact with the bottom of the limiting plate (10).

8. The limiting fixture for a punch press according to claim 1, characterized in that: Bolts (6) are provided at the four corners of the top of the fixing plate (2), and the bottom of the bolts (6) passes through the limiting plate (10) and extends to the bottom of the limiting plate (10).

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