Accurate positioning device for laser drilling

Abstract

The utility model discloses an accurate positioning device for laser drilling, and belongs to the technical field of laser drilling. Comprising a laser emission head; supporting columns are arranged at the four corners of the top plate, a machining table is arranged on the lower portions of the four supporting columns, lifting plates controlled to ascend and descend through first air cylinders are arranged in the middles of the side faces of the machining table respectively, second air cylinders are arranged on the lifting plates, and sliding rods are arranged on air cylinder shafts of the second air cylinders. A lifting plate is arranged on a cylinder shaft of a second cylinder, the sliding rod is arranged on the cylinder shaft of the second cylinder, the arc-shaped plates are arranged at the ends of the sliding rod, the diameters of the four arc-shaped plates are the same, and the portions, located at the ends of the arc-shaped plates and the ends of cylinder shafts, of the sliding rod are sleeved with springs. Springs are arranged on the portions, located at the ends of the arc-shaped plates and the air cylinder shaft, of the sliding rods, so that the four arc-shaped plates can fix cylindrical objects or circular objects with different diameters and different heights.

Description

Technical Field

[0001] The utility model provides a precise positioning device for laser drilling, belonging to the technical field of laser drilling. Background Art

[0002] Laser drilling is a precision processing technology that uses a highly concentrated laser beam as a heat source. Through a precisely controlled optical path system, the laser energy is focused on the surface of the material, causing the material to reach an extremely high temperature locally and achieve instant melting and evaporation of the material, thereby forming precise and clean small holes in the material. This process does not require contact with the processed object and is suitable for a variety of materials, including metals, ceramics, plastics, etc. It is characterized by small hole diameter, smooth hole wall, high processing efficiency and flexible control of hole shape and depth. It is widely used in aerospace, automobile manufacturing, electronics, medical and other fields.

[0003] Currently, when performing laser drilling operations, workers are required to align the drilling point with the center line of the laser head and then fix the object. However, it is difficult for workers to complete the positioning in one go, especially when drilling cylindrical or round objects. Utility Model Content

[0004] The technical problem to be solved by the utility model is that it is difficult to position a cylindrical object or a round object when punching holes therein.

[0005] In order to solve the above problems, the utility model proposes a technical solution: a precise positioning device for laser drilling, comprising a laser transmitting head; the laser transmitting head is arranged at the lower end of a hydraulic rod, the hydraulic rod is arranged at the middle of the lower end of a top plate, pillars are arranged at the four corners of the top plate, a processing table is arranged at the lower part of the four pillars, and a lifting plate controlled by a cylinder 1 is respectively arranged in the middle of the side of the processing table, and a cylinder 2 is arranged on the lifting plate, a sliding rod is arranged on the cylinder shaft of the cylinder 2, and an arc plate is arranged at the end of the sliding rod, the four arc plates have the same diameter, and a spring is sleeved on the sliding rod located at the arc plate and the end of the cylinder shaft.

[0006] As an improvement, when the hydraulic rod is extended, the lower end of the laser transmitter head does not contact the upper end of the processing table;

[0007] As an improvement, the cylinder 1 is arranged at the lower end of the processing table, and the cylinder shaft passes through the processing table and is connected to the lifting plate;

[0008] As an improvement, the four corners of the lower end of the lifting plate are respectively provided with guide rods 1, and the guide rods 1 pass through the processing table;

[0009] As an improvement, a sliding groove having the same diameter as the sliding rod is provided on the cylinder shaft of the second cylinder, and an exhaust hole communicating with the sliding groove is provided on the cylinder shaft of the second cylinder;

[0010] As an improvement, two guide rods are respectively provided on both sides of the arc plate, and auxiliary plates are respectively provided on both sides of one end of the cylinder 2 close to the middle of the processing table, and the two guide rods pass through the auxiliary plates on both sides respectively;

[0011] As an improvement, when the cylinder axes of the four cylinders 2 are at their longest, the springs are in a contracted state, and the side surfaces of the four arc-shaped plates are fitted in pairs to form a hollow cylinder.

[0012] Beneficial effects of the utility model:

[0013] A lifting plate controlled by cylinder one is provided to drive cylinder two to rise and fall, a sliding rod is provided on the cylinder shaft of cylinder two, an arc plate is provided at the end of the sliding rod, and a spring is provided at the part of the sliding rod located at the arc plate and the end of the cylinder shaft, so that the four arc plates can fix cylindrical objects or round objects of different diameters and heights. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of a precise positioning device for laser drilling in the utility model. Figure 1 .

[0015] Figure 2 This is a schematic diagram of the structure of a precise positioning device for laser drilling in the utility model. Figure 2 .

[0016] Figure 3 The utility model is a state schematic diagram of a precise positioning device for laser drilling.

[0017] 1. Laser transmitter head; 2. Hydraulic rod; 3. Top plate; 4. Pillar; 5. Processing table; 6. Cylinder 1; 7. Lifting plate; 8. Cylinder 2; 9. Sliding rod; 10. Arc plate; 11. Spring; 12. Guide rod 1; 13. Guide rod 2; 14. Auxiliary plate. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with the accompanying drawings.

[0019] according to Figure 1—3: The utility model provides a precise positioning device for laser drilling: comprising a laser emitting head 1; the laser emitting head 1 is arranged at the lower end of a hydraulic rod 2, the hydraulic rod 2 is arranged at the middle of the lower end of a top plate 3, pillars 4 are arranged at the four corners of the top plate 3, a processing table 5 is arranged at the lower part of the four pillars 4, and a lifting plate 7 controlled by a cylinder 1 6 is respectively arranged in the middle of the side of the processing table 5, a cylinder 2 8 is arranged on the lifting plate 7, a sliding rod 9 is arranged on the cylinder shaft of the cylinder 2 8, and an arc plate 10 is arranged at the end of the sliding rod 9, and the four arc plates 10 have the same diameter, and a spring 11 is sleeved on the sliding rod 9 at the end of the arc plate 10 and the cylinder shaft. The lifting plate 7 controlled by the cylinder 1 6 drives the cylinder 2 8 to rise and fall, a sliding rod 9 is arranged on the cylinder shaft of the cylinder 2, and an arc plate 10 is arranged at the end of the sliding rod 9, and a spring 11 is arranged at the part of the sliding rod 9 located at the end of the arc plate 10 and the cylinder shaft, so that the four arc plates 10 can fix cylindrical objects or circular objects of different diameters and heights;

[0020] When the hydraulic rod 2 is extended, the lower end of the laser transmitter head 1 does not contact the upper end of the processing table 5; thus, when the device is not in use, if the hydraulic rod 2 is damaged, the laser transmitter head 1 will not be damaged;

[0021] Among them, the cylinder 1 6 is arranged at the lower end of the processing table 5, and the cylinder shaft passes through the processing table 5 to connect the lifting plate 7, and the four corners of the lower end of the lifting plate 7 are respectively provided with guide rods 12, and the guide rods 12 pass through the processing table 5. The cylinder shaft of the cylinder 2 8 is provided with a sliding groove with the same diameter as the sliding rod 9, and the cylinder shaft of the cylinder 2 8 is provided with an exhaust hole connected to the sliding groove. Guide rods 2 13 are respectively provided on both sides of the arc plate 10, and auxiliary plates 14 are respectively provided on both sides of one end of the cylinder 2 8 close to the middle of the processing table 5. The two guide rods 2 13 pass through the auxiliary plates 14 on both sides respectively; in this way, the height and angle of the arc plate 10 can be determined;

[0022] When the cylinder axes of the four cylinders 28 are at their longest, the spring 11 is in a contracted state, and the sides of the four arc-shaped plates 10 are fitted in pairs to form a hollow cylinder, so that the device can automatically center a cylindrical object or a round object.

[0023] The principle of the utility model is as follows: when in use, first place the cylindrical object or round object to be processed as close to the middle of the processing table 5 as possible, then start the cylinder 1 6 according to the height of the middle of the object to be processed, so that the height of the middle of the arc plate 10 is the same as the height of the middle of the object to be processed, then start the four cylinders 2 8 at the same time, the cylinder shafts of the cylinders 2 8 will push the sliding rod 9 and the arc plate 10 to move toward the middle of the processing table 5, thereby fixing the object to be processed and enabling the object to be in the middle of the processing table 5, then extend the hydraulic rod 2, so that the laser transmitter 1 is in a suitable processing position and then processes the object.

[0024] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A precise positioning device for laser drilling, comprising a laser transmitting head (1); characterized in that: The laser emitting head (1) is arranged at the lower end of a hydraulic rod (2), the hydraulic rod (2) is arranged at the middle of the lower end of a top plate (3), pillars (4) are arranged at the four corners of the top plate (3), a processing table (5) is arranged at the lower part of the four pillars (4), a lifting plate (7) which is controlled to rise and fall by a cylinder (6) is arranged in the middle of the side of the processing table (5), a cylinder (8) is arranged on the lifting plate (7), a sliding rod (9) is arranged on the cylinder shaft of the cylinder (8), an arc plate (10) is arranged at the end of the sliding rod (9), the four arc plates (10) have the same diameter, and a spring (11) is sleeved on the sliding rod (9) located at the arc plate (10) and the end of the cylinder shaft.

2. The precise positioning device for laser drilling according to claim 1, characterized in that: When the hydraulic rod (2) is extended, the lower end of the laser emitting head (1) does not contact the upper end of the processing table (5).

3. The precise positioning device for laser drilling according to claim 1, characterized in that: The cylinder 1 (6) is arranged at the lower end of the processing table (5), and the cylinder shaft passes through the processing table (5) and is connected to the lifting plate (7).

4. The precise positioning device for laser drilling according to claim 1, characterized in that: The four corners of the lower end of the lifting plate (7) are respectively provided with guide rods (12), and the guide rods (12) pass through the processing table (5).

5. The precise positioning device for laser drilling according to claim 1, characterized in that: A sliding groove having the same diameter as the sliding rod (9) is provided on the cylinder shaft of the second cylinder (8), and an exhaust hole communicating with the sliding groove is provided on the cylinder shaft of the second cylinder (8).

6. The precise positioning device for laser drilling according to claim 1, characterized in that: Two guide rods (13) are respectively provided on both sides of the arc-shaped plate (10), and auxiliary plates (14) are respectively provided on both sides of one end of the second cylinder (8) close to the middle of the processing table (5), and the two guide rods (13) respectively pass through the auxiliary plates (14) on both sides.

7. The precise positioning device for laser drilling according to claim 1, characterized in that: When the cylinder axes of the four cylinders (8) are at their longest, the spring (11) is in a contracted state, and the side surfaces of the four arc-shaped plates (10) are fitted in pairs to form a hollow cylinder.

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