Positioning device for metal plate laser cutting

Abstract

The utility model belongs to the technical field of laser cutting, and particularly relates to a positioning device for metal plate laser cutting, which comprises a laser table, the inner side wall of the laser table is fixedly connected with uniformly distributed support strips, and the upper surface of the laser table is fixedly connected with a pair of support plates. A metal plate is placed on a laser table and supported by a plurality of supporting strips, a motor is started to drive a bidirectional lead screw to rotate, so that two positioning plates are close to each other, when the positioning plates move, a rotating rod is pushed to rotate, the rotating rod is screwed into a groove of a sliding strip by taking a fixed shaft as a circle center, and when the positioning plates leave the rotating rod, the two sides of the metal plate are clamped by the positioning plates through gravity resetting; the electric push rod is started to push the sliding strip, the sliding strip gets close to the metal plate along the sliding groove, the metal plate is pushed by the multiple rotating rods to move backwards to the position of the fixing plate, and therefore the front portion and the back portion of the metal plate are positioned, automatic adjusting and positioning are achieved, operation is easy, the positioning efficiency is improved, the positioning cost is reduced, and positioning of the metal plate is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of laser cutting, in particular to a positioning device for sheet metal laser cutting. Background Technique

[0002] Sheet metal has the characteristics of light weight, high strength, electrical conductivity (can be used for electromagnetic shielding), low cost, good mass production performance, etc., and is widely used in the fields of electronic appliances, communications, automotive industry, medical devices, etc.; a laser cutting machine emits laser light from a laser, which is focused into a laser beam with a high power density through an optical path system. The laser beam irradiates the surface of the workpiece, causing the workpiece to reach the melting point or boiling point. At the same time, a high-pressure gas coaxial with the beam blows away the melted or vaporized metal. As the relative position of the beam and the workpiece moves, finally a cut is formed in the material to achieve the purpose of cutting; when using a laser cutting device, a positioning device is required to fix the position of the sheet metal part to avoid cutting deviation and error.

[0003] Some existing positioning devices are positioned manually, with cumbersome operations, resulting in poor positioning efficiency, or clamped by multiple cylinders, with high costs and inconvenient positioning of sheet metal; for this reason, a positioning device for sheet metal laser cutting is proposed. Content of the Utility Model

[0004] The purpose of the utility model is to provide a positioning device for sheet metal laser cutting to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A positioning device for sheet metal laser cutting, including a laser table, the inner side wall of the laser table is fixedly connected with uniformly distributed support bars, the upper surface of the laser table is fixedly connected with a pair of support plates, the rear side of the inner side wall of the support plate is rotatably connected with a bidirectional lead screw, the outer side wall of the bidirectional lead screw is threadedly connected with a pair of positioning plates, the adjacent sides of the two positioning plates are fixedly connected with fixing plates, the inner side wall of the positioning plate is provided with a sliding groove, the inner side wall of the sliding groove is slidably connected with a sliding bar, the inner side wall of the sliding bar is fixedly connected with uniformly distributed fixing shafts, the outer side wall of the fixing shaft is rotatably connected with a rotating rod, the right side wall of the support plate is provided with a motor, the output end of the motor is fixedly connected to the right end of the bidirectional lead screw, and an electric push rod is arranged on the front side of the laser table, and the output end of the electric push rod is fixedly connected to the front surface of the sliding bar.

[0006] As a further preference of this technical solution: A bracket is arranged outside the laser table, and the electric push rod is installed on the front surface of the bracket.

[0007] As a further preference of this technical solution: A laser cutting mechanism is installed on the upper surface of the bracket.

[0008] As a further preference of this technical solution: The lower surface of the laser table is fixedly connected with uniformly distributed support legs.

[0009] As a further preference of this technical solution: The inner side wall of the support plate is fixedly connected with a slide bar, and the outer side wall of the slide bar is slidably connected with the inner side wall of the positioning plate.

[0010] As a further preference of this technical solution: The length of the rotating rod is less than the distance between adjacent fixed shafts.

[0011] Compared with the prior art, the beneficial effects of the present utility model are:

[0012] When the present utility model is in use, the sheet metal is placed on the laser table and supported by a plurality of support bars. The motor is started to drive the bidirectional lead screw to rotate, so that the two positioning plates approach each other. When the positioning plate moves, it will push the rotating rod to rotate. The rotating rod rotates around the fixed shaft and screws into the groove of the slide bar. When the positioning plate leaves the rotating rod, it is reset by gravity. The positioning plate clamps both sides of the sheet metal to position it left and right. The electric push rod is started to push the slide bar, and the slide bar approaches the sheet metal along the chute. The sheet metal is pushed backward to the fixed plate by a plurality of rotating rods, so as to position the sheet metal front and back. The positioning is automatically adjusted, the operation is simple, the positioning efficiency is improved, the positioning cost is reduced, and it is convenient to position the sheet metal. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is the front view structural schematic diagram of the present utility model;

[0014] Figure 2 is the structural schematic diagram of the support bar, bidirectional lead screw and motor in the present utility model;

[0015] Figure 3 is the structural schematic diagram of the positioning plate, chute and fixed plate in the present utility model;

[0016] Figure 4 is the structural schematic diagram of the slide bar, fixed shaft and rotating rod in the present utility model.

[0017] In the figure: 1, laser table; 2, support bar; 3, support plate; 4, bidirectional lead screw; 5, positioning plate; 6, fixed plate; 7, chute; 8, slide bar; 9, fixed shaft; 10, rotating rod; 11, motor; 12, electric push rod; 13, bracket; 14, laser cutting mechanism; 15, support leg; 16, slide bar. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. The examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present application and should not be construed as limiting the present application. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0019] In the description of the present application, it should be noted that, unless otherwise clearly defined and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0020] Please refer to Figures 1-4, the present utility model provides a technical solution: a positioning device for sheet metal laser cutting, including a laser table 1. The inner side wall of the laser table 1 is fixedly connected with uniformly distributed support bars 2. The upper surface of the laser table 1 is fixedly connected with a pair of support plates 3. The rear side of the inner side wall of the support plate 3 is rotatably connected with a bidirectional lead screw 4. A pair of positioning plates 5 are threadedly connected to the outer side wall of the bidirectional lead screw 4. Fixed plates 6 are fixedly connected to the adjacent sides of the two positioning plates 5. A chute 7 is opened on the inner side wall of the positioning plate 5. A slide bar 8 is slidably connected to the inner side wall of the chute 7. Uniformly distributed fixed shafts 9 are fixedly connected to the inner side wall of the slide bar 8. A rotating rod 10 is rotatably connected to the outer side wall of the fixed shaft 9. A motor 11 is installed on the right side wall of the support plate 3. The output end of the motor 11 is fixedly connected to the right end of the bidirectional lead screw 4. An electric push rod 12 is provided on the front side of the laser table 1. The output end of the electric push rod 12 is fixedly connected to the front surface of the slide bar 8; when in use, place the sheet metal on the laser table 1, support it through multiple support bars 2, start the motor 11 to drive the bidirectional lead screw 4 to rotate, so that the two positioning plates 5 approach each other. When the positioning plate 5 moves, it will push the rotating rod 10 to rotate. The rotating rod 10 rotates into the groove of the slide bar 8 with the fixed shaft 9 as the center. When the positioning plate 5 leaves the rotating rod 10, it resets by gravity. After the positioning plate 5 clamps both sides of the sheet metal, start the electric push rod 12 to push the slide bar 8, and the slide bar 8 moves along the chute 7 close to the sheet metal. The sheet metal is pushed backward to the fixed plate 6 through multiple rotating rods 10, completing the positioning of the sheet metal, constituting a positioning device for sheet metal laser cutting, automatically adjusting the positioning, with simple operation, improving the positioning efficiency, reducing the positioning cost, and facilitating the positioning of the sheet metal.

[0021] In this embodiment, specifically: a bracket 13 is provided outside the laser table 1, and the electric push rod 12 is installed on the front surface of the bracket 13; the bracket 13 facilitates the installation of the electric push rod 12.

[0022] In this embodiment, specifically: a laser cutting mechanism 14 is installed on the upper surface of the bracket 13; the laser cutting mechanism 14 can perform laser cutting operations on the sheet metal.

[0023] In this embodiment, specifically: uniformly distributed support legs 15 are fixedly connected to the lower surface of the laser table 1; the support legs 15 are used for supporting and fixing the laser table 1.

[0024] In this embodiment, specifically: a slide rod 16 is fixedly connected to the inner side wall of the support plate 3, and the outer side wall of the slide rod 16 is slidably connected to the inner side wall of the positioning plate 5; the slide rod 16 can improve the stability of the positioning plate 5 when moving.

[0025] In this embodiment, specifically: the length of the rotating rod 10 is less than the distance between adjacent fixed shafts 9; the rotating rod 10 can rotate 90°, so as to be retracted into the groove in the slide bar 8, facilitating the movement of the positioning plate 5.

[0026] The working principle of the present utility model is as follows: When in use, place the sheet metal on the laser table 1 and support it through multiple support bars 2. Start the motor 11 to drive the bidirectional lead screw 4 to rotate, so that the two positioning plates 5 approach each other. When the positioning plate 5 moves, it will push the rotating rod 10 to rotate. The rotating rod 10 rotates around the fixed shaft 9 and is inserted into the slot of the sliding bar 8. When the positioning plate 5 leaves the rotating rod 10, it is reset by gravity. The positioning plate 5 clamps both sides of the sheet metal to position it left and right. Start the electric push rod 12 to push the sliding bar 8, and the sliding bar 8 approaches the sheet metal along the sliding groove 7. Through multiple rotating rods 10, the sheet metal is pushed backward to the fixed plate 6, thereby positioning the sheet metal front and back, forming a positioning device for sheet metal laser cutting. It automatically adjusts the positioning, is easy to operate, improves the positioning efficiency, reduces the positioning cost, and facilitates the positioning of the sheet metal.

[0027] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A positioning device for sheet metal laser cutting, comprising a laser table (1), characterized in that: The inner side wall of the laser table (1) is fixedly connected with uniformly distributed support bars (2). The upper surface of the laser table (1) is fixedly connected with a pair of support plates (3). The rear side of the inner side wall of the support plate (3) is rotatably connected with a bidirectional lead screw (4). A pair of positioning plates (5) are threadedly connected to the outer side wall of the bidirectional lead screw (4). The adjacent sides of the two positioning plates (5) are fixedly connected with fixing plates (6). A chute (7) is formed in the inner side wall of the positioning plate (5). A slide bar (8) is slidably connected to the inner side wall of the chute (7). The inner side wall of the slide bar (8) is fixedly connected with uniformly distributed fixed shafts (9). A rotating rod (10) is rotatably connected to the outer side wall of the fixed shaft (9). A motor (11) is installed on the right side wall of the support plate (3). The output end of the motor (11) is fixedly connected to the right end of the bidirectional lead screw (4). An electric push rod (12) is arranged on the front side of the laser table (1). The output end of the electric push rod (12) is fixedly connected to the front surface of the slide bar (8).

2. The positioning device for sheet metal laser cutting according to claim 1, wherein: A bracket (13) is arranged outside the laser table (1). The electric push rod (12) is installed on the front surface of the bracket (13).

3. The sheet metal laser cutting positioning device according to claim 2, characterized in that: A laser cutting mechanism (14) is installed on the upper surface of the bracket (13).

4. A sheet metal laser cutting positioning device according to claim 1, characterized in that: The lower surface of the laser table (1) is fixedly connected with uniformly distributed support legs (15).

5. A sheet metal laser cutting positioning device according to claim 1, characterized in that: A slide rod (16) is fixedly connected to the inner side wall of the support plate (3). The outer side wall of the slide rod (16) is slidably connected to the inner side wall of the positioning plate (5).

6. The positioning device for sheet metal laser cutting according to claim 1, characterized in that: The length of the rotating rod (10) is less than the distance between adjacent fixed shafts (9).

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