Focus position adjusting mechanism of laser template cutting machine

By introducing longitudinal and lateral adjustment components into the laser template cutting machine, the position of the beam expander is automatically adjusted, solving the problem of cumbersome and poor precision of traditional manual adjustment, achieving efficient and precise adjustment of the focus position, and improving cutting accuracy and product quality.

CN223382756UActive Publication Date: 2025-09-26RATECH ELECTRONICS LTD
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Patent Information

Application Number
CN202422725123.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2025-09-26
Estimated Expiration
2034-11-08

AI Technical Summary

Technical Problem

The adjustment method of the focus position of traditional laser template cutting machines is cumbersome and has poor precision, which affects cutting accuracy and product quality.

Method used

The longitudinal and lateral adjustment components are used, and the motor drives the articulated rod and guide column to automatically adjust the position of the beam expander to ensure accurate focus of the light beam.

Benefits of technology

The efficiency and accuracy of focus position adjustment are improved, and the cutting accuracy and product quality are enhanced.

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Abstract

The utility model discloses a focus position adjusting mechanism of a laser template cutting machine, which relates to the technical field of laser cutting machines and comprises a fixed base, a movable support is slidably mounted at the top of the fixed base, movable grooves are formed in the inner wall of the movable support, movable plates are slidably mounted between the movable grooves, and a mounting frame is slidably mounted between the movable plates. A beam expanding lens is fixedly installed in the installation frame, a longitudinal adjusting assembly is arranged below the movable support, and a transverse adjusting assembly is arranged at the top of the movable support. According to the utility model, through the arrangement of the longitudinal adjusting assembly and the transverse adjusting assembly, the second hinge rod is used for driving the beam expanding lens to move longitudinally, then the guide column, the guide groove and the telescopic sleeve rod are matched to drive the beam expanding lens to move transversely, so that the irradiated light beam directly faces the center of the beam expanding lens, and then the movable support drives the beam expanding lens to move back and forth; the focus position is adjusted, and the problems that manual adjustment consumes time and is poor in precision are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of laser cutting machines, in particular to a focus position adjustment mechanism for a laser template cutting machine. Background Art

[0002] Laser template cutting machine is a kind of equipment that uses laser technology for cutting. It is mainly used for precision cutting of various materials, such as metal, plastic, wood and cloth. Its working principle is to use a beam expander to diffuse the incoming light beam, and then use a focusing lens to focus the beam to form a high-energy laser beam focused on the surface of the material, instantly heating and melting or vaporizing the material, thereby achieving cutting.

[0003] To ensure accuracy during the cutting process, workers need to repeatedly adjust the focal position of the laser to determine the optimal position before cutting. Currently, the traditional adjustment method is for workers to manually adjust the laser head by turning the adjustment nut on the laser head. This method is cumbersome and time-consuming, and the manual adjustment accuracy is poor, which affects subsequent cutting work and reduces product quality. Utility Model Content

[0004] In order to solve the above technical problems, a focus position adjustment mechanism for a laser template cutting machine is provided. This technical solution solves the problem that the traditional adjustment method proposed in the above background technology is mostly manual adjustment by workers turning the adjustment nut on the laser head. This method is cumbersome and time-consuming, and the accuracy of manual adjustment is poor, which affects subsequent cutting work and reduces product quality.

[0005] In order to achieve the above purpose, the technical solution adopted by this utility model is:

[0006] A focus position adjustment mechanism for a laser template cutting machine comprises a fixed base, a movable bracket is slidably mounted on the top of the fixed base, a pair of movable grooves are provided on the upper and lower sides of the inner wall of the movable bracket, a movable plate is slidably mounted between the two pairs of movable grooves, a mounting frame is slidably mounted between the two movable plates, a beam expander is fixedly mounted inside the mounting frame, a longitudinal adjustment component is provided below the movable bracket, a lateral adjustment component is provided on the top of the movable bracket, a longitudinal controller is provided on the lower right side of the movable bracket, and a lateral controller is provided on the upper right side of the movable bracket.

[0007] Optionally, the longitudinal adjustment assembly includes a pair of vertical plates and slide grooves, the two vertical plates are fixedly connected to the left and right sides of the movable bracket respectively, a bidirectional screw is rotatably installed between the two vertical plates, the right end of the right vertical plate is fixedly installed with a drive motor 1, the output end of the drive motor 1 passes through the outer wall of the vertical plate and is fixedly connected to the right end of the bidirectional screw, the left and right sides of the surface of the bidirectional screw are threadedly connected with threaded sleeves, the tops of the two threaded sleeves are fixedly connected with an articulated seat, the interior of the articulated seat is hinged with an articulated rod 1, the other ends of the two articulated rods 1 are hinged with an articulated rod 2, and the top of the articulated rod 2 is fixedly connected to the bottom of the movable plate.

[0008] Optionally, the sliding groove is opened at the bottom of the movable bracket, and the side walls of the two hinged rods are slidably connected to the inner wall of the sliding groove.

[0009] Optionally, the lateral adjustment assembly includes a pair of mounting slots, a pair of telescopic sleeves and two drive motors, the two mounting slots are both opened at the top of the movable bracket, a pair of guide columns are rotatably installed inside the two mounting slots, the surfaces of the guide columns are both opened with guide grooves, the two telescopic sleeves are fixedly connected to the top of the mounting bracket, the tops of the two telescopic sleeves are respectively slidably connected to the insides of the two guide slots, a pair of through slots are opened at the top of the upper movable plate, and the bottoms of the two telescopic sleeves are respectively slidably connected to the insides of the two through slots.

[0010] Optionally, the second driving motor is fixedly mounted on the upper right side of the movable bracket, and the output end of the second driving motor extends into the interior of the mounting slot and is fixedly connected to the rotating shaft of the guide column.

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

[0012] This solution is provided with a longitudinal adjustment component and a lateral adjustment component, and the corresponding motors are driven by the controller respectively. The hinged rod 2 is used to drive the beam expander to move longitudinally, and the guide column, guide groove and telescopic sleeve are used to drive the beam expander to move laterally, so that the incoming light beam is directly facing the center of the beam expander. The beam expander is then driven back and forth by the movable bracket to adjust the distance between the beam expander and the focusing lens, and then the focus position is adjusted, avoiding the time-consuming and poor precision problems of manual adjustment, improving work efficiency and ensuring product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 for Figure 1 A partial enlarged schematic diagram of the structure at point A in the middle;

[0015] Figure 3 It is a schematic diagram of the three-dimensional structure of the guide column, guide groove and telescopic sleeve rod in the utility model.

[0016] The numbers in the figure are:

[0017] 1. Fixed base; 2. Mobile bracket; 3. Mobile slot; 4. Mobile plate; 5. Mounting frame; 6. Beam expander; 7. Longitudinal adjustment assembly; 71. Vertical plate; 72. Bidirectional screw; 73. Drive motor 1; 74. Threaded sleeve; 75. Articulated seat; 76. Articulated rod 1; 77. Articulated rod 2; 78. Slide; 8. Transverse adjustment assembly; 81. Mounting slot; 82. Guide column; 83. Guide slot; 84. Telescopic sleeve; 85. Through slot; 86. Drive motor 2; 9. Longitudinal controller; 10. Transverse controller. DETAILED DESCRIPTION

[0018] The following description is intended to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are merely examples, and those skilled in the art may conceive of other obvious variations.

[0019] Reference Figure 1 As shown, a focus position adjustment mechanism for a laser template cutting machine includes a fixed base 1, a movable bracket 2 is slidably installed on the top of the fixed base 1, a pair of movable grooves 3 are opened on the upper and lower sides of the inner wall of the movable bracket 2, a movable plate 4 is slidably installed between the two pairs of movable grooves 3, a mounting frame 5 is slidably installed between the two movable plates 4, a beam expander 6 is fixedly installed inside the mounting frame 5, a longitudinal adjustment component 7 is provided below the movable bracket 2, a transverse adjustment component 8 is provided on the top of the movable bracket 2, a longitudinal controller 9 is provided on the lower right side of the movable bracket 2, and a transverse controller 10 is provided on the upper right side of the movable bracket 2. When adjusting the focus position, the longitudinal adjustment component 7 is provided below the movable bracket 2, and the transverse adjustment component 8 ... The bidirectional screw 72 in the component 7 drives the two threaded sleeves 74 to move, and then the two hinged rods 1 76 drive the hinged rod 2 77 to rise and fall, and the hinged rod 2 77 drives the movable plate 4 and the mounting bracket 5 to move, and adjusts the longitudinal position of the collimator 6. By rotating the guide column 82 in the transverse adjustment component 8, the telescopic sleeve 84 moves transversely under the action of the guide groove 83, and the telescopic sleeve 84 drives the mounting bracket 5 at the bottom to move, and adjusts the transverse position of the collimator 6. Finally, in conjunction with the movable bracket 2, the purpose of three-dimensional adjustment of the position of the collimator 6 is achieved. The structure is simple, the operation is convenient, the efficiency of the focus position adjustment is improved, and the accuracy of subsequent cutting is guaranteed.

[0020] Further, such as Figure 2 and Figure 3As shown, the longitudinal adjustment assembly 7 includes a pair of vertical plates 71 and a slide groove 78. The two vertical plates 71 are respectively fixedly connected to the left and right sides of the mobile bracket 2. A bidirectional screw 72 is rotatably installed between the two vertical plates 71. A drive motor 1 73 is fixedly installed on the right end of the right vertical plate 71. The output end of the drive motor 1 73 passes through the outer wall of the vertical plate 71 and is fixedly connected to the right end of the bidirectional screw 72. The left and right sides of the surface of the bidirectional screw 72 are threadedly connected with threaded sleeves 74. The tops of the two threaded sleeves 74 are fixedly connected with hinged seats 75. The interior of the hinged seat 75 is hinged with a hinged rod 1 76. The other ends of the two hinged rods 1 76 are hinged with hinged rods 2 77. The top of the hinged rod 77 is fixedly connected to the bottom of the movable plate 4, and the slide groove 78 is opened at the bottom of the movable bracket 2. The side walls of the two hinged rods 76 are slidably connected to the inner wall of the slide groove 78. The bidirectional screw 72 is driven to rotate by the driving motor 73, and the bidirectional screw 72 drives the threaded sleeves 74 at both ends to move. The two threaded sleeves 74 respectively drive the two hinged rods 1 76 to move through the hinge seat 75. The two hinged rods 1 76 jointly drive the hinged rod 2 77 to move. The hinged rod 2 77 drives the movable plate 4 to rise and fall along the movable groove 3. The movable plate 4 drives the mounting frame 5 to rise and fall to adjust the longitudinal position of the beam expander 6.

[0021] The lateral adjustment assembly 8 includes a pair of mounting slots 81, a pair of telescopic sleeves 84 and a second drive motor 86. The two mounting slots 81 are both opened at the top of the movable bracket 2. A pair of guide posts 82 are rotatably installed inside the two mounting slots 81. The surfaces of the guide posts 82 are provided with guide slots 83. The two telescopic sleeves 84 are fixedly connected to the top of the mounting bracket 5. The tops of the two telescopic sleeves 84 are respectively slidably connected to the insides of the two guide slots 83. A pair of through slots 85 are opened at the top of the upper movable plate 4. The bottoms of the two telescopic sleeves 84 are respectively slidably connected to the insides of the two through slots 85. The second driving motor 86 is fixedly installed on the upper right end of the movable bracket 2. The output end of the second driving motor 86 extends into the interior of the mounting groove 81 and is fixedly connected to the rotating shaft of the guide column 82. The two guide columns 82 are driven to rotate by the second driving motor 86. Since the upper end of the telescopic sleeve 84 is slidably connected to the interior of the guide groove 83, the telescopic sleeve 84 moves horizontally along the through groove 85 under the action of the guide groove 83. The telescopic sleeve 84 drives the mounting frame 5 to move along the movable plate 4, adjusts the lateral position of the collimator 6, and cooperates with the longitudinal adjustment component 7 to ensure that the light beam is irradiated on the center of the collimator 6.

[0022] The working principle of the present invention is as follows: when adjusting the focal position, the driving motor 1 73 is started through the longitudinal controller 9, and the two hinged rods 1 76 are driven to move through the cooperation of the bidirectional screw 72 and the threaded sleeve 74, and then the hinged rod 2 77 drives the movable plate 4 and the mounting bracket 5 to move up and down, and the longitudinal position of the beam expander 6 is adjusted. The driving motor 2 86 is started through the transverse controller 10, and the telescopic sleeve 84 drives the mounting bracket 5 to move laterally through the cooperation of the guide column 82, the guide groove 83 and the telescopic sleeve 84, and the transverse position of the beam expander 6 is adjusted. Finally, the beam expander 6 is driven to move back and forth through the movable bracket 2, and the distance between it and the focusing lens is adjusted to achieve the purpose of adjusting the focal position.

[0023] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions merely illustrate the principles of the present invention. Various changes and improvements are possible without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed for the present invention is defined by the appended claims and their equivalents.

Claims

1. A focus position adjustment mechanism for a laser template cutting machine, characterized by: The invention comprises a fixed base (1), a movable bracket (2) is slidably mounted on the top of the fixed base (1), a pair of movable grooves (3) are provided on the upper and lower sides of the inner wall of the movable bracket (2), a movable plate (4) is slidably mounted between the two pairs of movable grooves (3), a mounting frame (5) is slidably mounted between the two movable plates (4), a beam expander (6) is fixedly mounted inside the mounting frame (5), a longitudinal adjustment component (7) is provided below the movable bracket (2), a transverse adjustment component (8) is provided on the top of the movable bracket (2), a longitudinal controller (9) is provided on the lower right side of the movable bracket (2), and a transverse controller (10) is provided on the upper right side of the movable bracket (2).

2. The focus position adjustment mechanism of a laser template cutting machine according to claim 1, characterized in that: The longitudinal adjustment assembly (7) includes a pair of vertical plates (71) and a slide groove (78), the two vertical plates (71) are fixedly connected to the left and right sides of the movable bracket (2), respectively, a bidirectional screw (72) is rotatably installed between the two vertical plates (71), a driving motor (73) is fixedly installed on the right end of the right vertical plate (71), the output end of the driving motor (73) passes through the outer wall of the vertical plate (71) and is fixedly connected to the right end of the bidirectional screw (72), the left and right sides of the surface of the bidirectional screw (72) are both threadedly connected with threaded sleeves (74), the tops of the two threaded sleeves (74) are both fixedly connected with hinge seats (75), the interior of the hinge seat (75) is hinged with hinge rod (76), the other ends of the two hinge rods (76) are hinged with hinge rod (77), and the top of the hinge rod (77) is fixedly connected to the bottom of the movable plate (4).

3. The focus position adjustment mechanism of a laser template cutting machine according to claim 2, characterized in that: The sliding groove (78) is opened at the bottom of the movable bracket (2), and the side walls of the two hinge rods (76) are both slidably connected to the inner wall of the sliding groove (78).

4. The focus position adjustment mechanism of a laser template cutting machine according to claim 1, characterized in that: The lateral adjustment assembly (8) comprises a pair of mounting slots (81), a pair of telescopic sleeve rods (84) and a second drive motor (86). The two mounting slots (81) are both opened at the top of the movable bracket (2). A pair of guide posts (82) are rotatably installed inside the two mounting slots (81). The surfaces of the guide posts (82) are both opened with guide slots (83). The two telescopic sleeve rods (84) are both fixedly connected to the top of the mounting bracket (5). The tops of the two telescopic sleeve rods (84) are respectively slidably connected to the insides of the two guide slots (83). A pair of through slots (85) are opened at the top of the upper movable plate (4). The bottoms of the two telescopic sleeve rods (84) are respectively slidably connected to the insides of the two through slots (85).

5. The focus position adjustment mechanism of a laser template cutting machine according to claim 4, characterized in that: The second driving motor (86) is fixedly mounted on the upper right side of the movable bracket (2), and the output end of the second driving motor (86) extends into the interior of the mounting groove (81) and is fixedly connected to the rotating shaft of the guide column (82).