Plate clamping device for punching machine

Abstract

The plate clamping device for the punching machine comprises a base, a containing groove is formed in the top of the base, a clamping block is arranged on the outer side of the containing groove, a connecting block is fixedly connected to the outer side of the middle of the base, a swing rod is rotationally connected to the outer side of the connecting block, and a partition plate is arranged on the inner side of the middle of the base; the disc is arranged in the center of the bottom of the base, an electric telescopic rod is rotationally connected to the outer side of the top of the disc, and the electric telescopic rod is rotationally connected with the base; and the positioning plate is arranged in the base, the outer side of the positioning plate is connected with a connecting frame, the bottom of the connecting frame is provided with a lead screw and a guide rod, the lead screw and the guide rod are both arranged below the containing groove, and the front end of the lead screw is connected with a handle. According to the plate clamping device for the punching machine, a plate can be conveniently positioned, the plate can be conveniently put in, the plate can be clamped, and punching machining is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of punching machines, in particular to a sheet material clamping device for a punching machine. Background Art

[0002] A punch press is a type of stamping machine, primarily used for sheet metal production. Through the die, it can perform blanking, punching, forming, drawing, and trimming operations. It is widely used in various fields. To ensure stable and accurate stamping, the sheet metal usually needs to be clamped and fixed.

[0003] The existing sheet metal clamping device is not convenient for positioning the sheet metal when clamping the sheet metal, resulting in reduced stamping accuracy. Therefore, we propose a sheet metal clamping device for a punching machine to solve the above problems. Utility Model Content

[0004] The purpose of the present utility model is to provide a sheet metal clamping device for a punching machine, so as to solve the problem that the current sheet metal clamping device proposed in the above background technology is inconvenient to position the sheet metal when clamping it, resulting in reduced punching accuracy.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a sheet material clamping device for a punching machine, comprising:

[0006] A base, wherein a placement groove is provided on the top of the base, and a clamping block is provided on the outside of the placement groove, a connecting block is fixedly connected to the outside of the middle portion of the base, and a swing rod is rotatably connected to the outside of the connecting block, and a partition is provided on the inside of the middle portion of the base;

[0007] A disc, the disc being disposed at the bottom center of the base, and the outer end of the disc being connected to the bottom of the swing arm via a pull rod, the outer top of the disc being rotatably connected to an electric telescopic rod, and the electric telescopic rod being rotatably connected to the base;

[0008] A positioning plate is arranged inside the base, and a connecting frame is connected to the outside of the positioning plate. A screw rod and a guide rod are arranged at the bottom of the connecting frame, and the screw rod is arranged on the outside of the guide rod. The screw rod and the guide rod are both arranged below the placement groove, and a handle is connected to the front end of the screw rod.

[0009] Preferably, the placement groove is symmetrically arranged on the top of the base, and positioning plates are symmetrically arranged front to back inside the placement groove, and a mounting hole is opened at the bottom of the base.

[0010] Preferably, the clamping block and the base form a sliding structure, and the outer end of the clamping block is movably connected to the top of the rocker arm.

[0011] Preferably, the inner and outer sides of the pull rod are rotatably connected to the disc and the rocker arm respectively, and the disc forms a transmission mechanism with the clamping block through the pull rod, the rocker arm and the clamping block.

[0012] Preferably, the top of the positioning plate is arranged in an inclined structure, and the connecting frame on the outer side of the positioning plate is in an "L"-shaped structure.

[0013] Preferably, the screw rod is provided with opposite thread structures at the front and rear, and the connecting frame is symmetrically arranged on the screw rod at the front and rear, and the screw rod is slidably connected to the guide rod.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the sheet material clamping device for the punching machine is convenient for positioning the sheet material, convenient for inserting the sheet material, capable of clamping the sheet material, and convenient for stamping processing;

[0015] 1. A placement slot and a positioning plate are provided. The placement slot is convenient for lifting the plate. The top of the positioning plate is inclined to facilitate the placement of the plate. The positioning plate is symmetrically arranged front and back to facilitate the positioning of the plate.

[0016] 2. A clamping block, a rocker arm, a disc and a pull rod are provided. When the disc rotates, it squeezes the bottom of the rocker arm through the pull rod, causing the middle of the rocker arm to rotate around the connecting block and squeezes the clamping block through the top of the rocker arm, making it easier for the clamping block to clamp the plate;

[0017] 3. A screw rod and a guide rod are provided, and opposite thread structures are provided in front and behind the screw rod, so that when the screw rod rotates, the connecting frame can slide under the action of the guide rod, thereby adjusting the position of the positioning plate, making it convenient for the positioning plate to position plates of different widths. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front view cutaway structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the top view of the structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the top view of the connection between the disc and the pull rod of the utility model;

[0021] Figure 4 This is a schematic diagram of the side cutaway structure of the placement slot of the utility model.

[0022] In the figure: 1. Base; 2. Placement slot; 3. Clamping block; 4. Connecting block; 5. Rocker; 6. Partition; 7. Disc; 8. Pull rod; 9. Electric telescopic rod; 10. Positioning plate; 11. Connecting frame; 12. Screw rod; 13. Guide rod; 14. Handle. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-4 The utility model provides a technical solution: a sheet material clamping device for a punching machine, comprising: a base 1, a placement slot 2, a clamping block 3, a connecting block 4, a rocker 5, a partition 6, a disc 7, a pull rod 8, an electric telescopic rod 9, a positioning plate 10, a connecting frame 11, a screw rod 12, a guide rod 13 and a handle 14;

[0025] The base 1 has a placement slot 2 on the top, and a clamping block 3 is provided on the outside of the placement slot 2. A connecting block 4 is fixedly connected to the outside of the middle of the base 1, and a swing rod 5 is rotatably connected to the outside of the connecting block 4. A partition 6 is provided on the inside of the middle of the base 1;

[0026] The disc 7 is arranged at the bottom center of the base 1, and the outer end of the disc 7 is connected to the bottom of the swing rod 5 through the pull rod 8. The outer top of the disc 7 is rotatably connected to the electric telescopic rod 9, and the electric telescopic rod 9 is rotatably connected to the base 1;

[0027] The positioning plate 10 is arranged inside the base 1, and the outer side of the positioning plate 10 is connected to the connecting frame 11, the bottom of the connecting frame 11 is provided with a screw rod 12 and a guide rod 13, and the screw rod 12 is arranged on the outer side of the guide rod 13, the screw rod 12 and the guide rod 13 are both arranged below the placement groove 2, and the front end of the screw rod 12 is connected to the handle 14.

[0028] like Figure 1 、 Figure 2 and Figure 4 The middle placement groove 2 is symmetrically arranged on the top of the base 1, and the positioning plate 10 is symmetrically arranged front to back inside the placement groove 2, and a mounting hole is opened at the bottom of the base 1 to facilitate the placement of the plate. The clamping block 3 and the base 1 form a sliding structure, and the outer end of the clamping block 3 is movably connected to the top of the rocker arm 5, which is convenient for the clamping block 3 to clamp the plate. The inner and outer sides of the pull rod 8 are rotatably connected to the disc 7 and the rocker arm 5 respectively, and the disc 7 forms a transmission mechanism with the clamping block 3 through the pull rod 8 and the rocker arm 5, which is convenient for driving the clamping block 3 to slide.

[0029] like Figure 1 、 Figure 2 and Figure 3The top of the middle positioning plate 10 is arranged in an inclined structure, and the connecting frame 11 on the outside of the positioning plate 10 is in an "L"-shaped structure, which is convenient for the insertion of the plate. The screw rod 12 is provided with opposite thread structures at the front and back, and the connecting frame 11 is symmetrically arranged on the screw rod 12 at the front and back, and the screw rod 12 is slidably connected to the guide rod 13, which is convenient for driving the positioning plate 10 to move.

[0030] Working principle: When using the sheet metal clamping device for the punch press, Figure 1 As shown, place the plate in slot 2, as shown in Figure 2 As shown, by rotating the handle 14, the handle 14 drives the screw rod 12 to rotate. The front and rear ends of the screw rod 12 are correspondingly provided with opposite thread structures, and the connecting frame 11 is slidably connected with the guide rod 13, so that when the screw rod 12 rotates, the positioning plate 10 is driven to slide through the connecting frame 11, so that the positioning plate 10 positions the plate front and back. The top of the positioning plate 10 is an inclined structure, which is convenient for inserting the plate;

[0031] After the position of the positioning plate 10 is determined, it is convenient for subsequent use. Before the plate is processed, Figure 1 As shown, by starting the electric telescopic rod 9, the electric telescopic rod 9 drives the disc 7 to rotate, and the disc 7 squeezes the bottom of the rocker arm 5 through the pull rod 8, so that the rocker arm 5 rotates around the top of the connecting block 4, and the top of the rocker arm 5 squeezes the clamping block 3, so that the clamping block 3 clamps the plate. The spring under the clamping block 3 facilitates the reset of the clamping block 3 when the rocker arm 5 is released. This is the entire working process of the sheet material clamping device for the punching machine. The content not described in detail in this manual belongs to the existing technology well known to professional and technical personnel in this field.

[0032] The standard parts used in this utility model can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0033] 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. A sheet material clamping device for a punching machine, characterized in that: include: A base (1), wherein a placement groove (2) is provided on the top of the base (1), and a clamping block (3) is provided on the outside of the placement groove (2); a connecting block (4) is fixedly connected to the outside of the middle portion of the base (1), and a swing rod (5) is rotatably connected to the outside of the connecting block (4); and a partition (6) is provided on the inside of the middle portion of the base (1); A disc (7), the disc (7) being arranged at the bottom center of the base (1), and the outer end of the disc (7) being connected to the bottom of the swing rod (5) via a pull rod (8), the outer side of the top of the disc (7) being rotatably connected to an electric telescopic rod (9), and the electric telescopic rod (9) being rotatably connected to the base (1); A positioning plate (10) is provided inside the base (1), and a connecting frame (11) is connected to the outside of the positioning plate (10), a screw rod (12) and a guide rod (13) are provided at the bottom of the connecting frame (11), and the screw rod (12) is provided on the outside of the guide rod (13), the screw rod (12) and the guide rod (13) are both provided below the placement groove (2), and a handle (14) is connected to the front end of the screw rod (12).

2. A sheet material clamping device for a punching machine according to claim 1, characterized in that: The placement groove (2) is symmetrically arranged on the top of the base (1), and positioning plates (10) are symmetrically arranged front to back inside the placement groove (2), and a mounting hole is opened at the bottom of the base (1).

3. The sheet material clamping device for a punching machine according to claim 1, characterized in that: The clamping block (3) and the base (1) form a sliding structure, and the outer end of the clamping block (3) is movably connected to the top of the swing rod (5).

4. The sheet material clamping device for a punching machine according to claim 1, characterized in that: The inner and outer sides of the pull rod (8) are rotatably connected to the disc (7) and the rocker arm (5), respectively, and the disc (7) forms a transmission mechanism with the clamping block (3) through the pull rod (8) and the rocker arm (5).

5. The sheet material clamping device for a punching machine according to claim 1, characterized in that: The top of the positioning plate (10) is arranged in an inclined structure, and the connecting frame (11) outside the positioning plate (10) is in an "L"-shaped structure.

6. The sheet material clamping device for a punching machine according to claim 1, characterized in that: The screw rod (12) is provided with opposite thread structures at the front and rear, and the connecting frame (11) is symmetrically arranged on the screw rod (12) at the front and rear, and the screw rod (12) is slidably connected to the guide rod (13).

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