Galvanometer laser welding device for plastic processing

By combining compressed gas and a pneumatic locking device, and utilizing the sliding clamping of the locking slider and the trapezoidal clamp, the problem of unstable workpiece clamping in galvanometer laser welding equipment is solved, and stable welding of the workpiece is achieved.

CN223671871UActive Publication Date: 2025-12-16SUZHOU BOCHUAN ELECTROMECHANICAL TECH CO LTD
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Patent Information

Application Number
CN202423295744.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-16
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing galvanometer laser welding equipment is prone to causing local deformation and shifting of the workpiece during clamping, which affects the welding effect.

Method used

The system employs a combination of compressed gas and a pneumatic locking device, using multiple locking sliders to clamp the workpiece according to its internal cavity shape. Stable clamping is achieved through the sliding cooperation of the trapezoidal chuck and the piston sleeve.

Benefits of technology

It improves the stability of workpiece clamping, prevents workpiece displacement during welding, avoids workpiece damage caused by excessive clamping force, and is suitable for clamping workpieces with complex shapes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a galvanometer laser welding device for plastic processing, and relates to the technical field of galvanometer laser welding, the galvanometer laser welding device for plastic processing comprises a galvanometer laser generator, a working platform is arranged below the galvanometer laser generator, and the working platform is fixedly connected with a limiting shell; limiting sliding grooves are formed in the limiting shell in a rectangular array mode, and a locking sliding block is movably connected into each limiting sliding groove. A pneumatic locker is further installed on the inner side of the limiting shell, and the locking sliding block is in sliding connection with the side face of the pneumatic locker. According to the utility model, through the sliding fit between the branch air passages and the piston sleeves, the compressed air pushes the plurality of piston sleeves to move, so that the piston sleeves can stably clamp workpieces according to the shape of an inner cavity of a welding part, and the workpieces are prevented from shifting and moving during welding.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a galvanometer laser welding technical field, specifically a galvanometer laser welding device for plastic processing. BACKGROUND

[0002] The galvanometer laser welding device is an advanced laser welding equipment, and the internal galvanometer scanning system reflects the high-energy-density laser beam generated by the laser generator, wherein the galvanometer scanning system comprises a galvanometer motor, a scanning lens and a scanning controller. The galvanometer motor is generally composed of a high-precision servo motor or a stepping motor, and drives the scanning lens to rotate quickly after receiving a control signal, so as to change the reflection angle of the laser beam. The scanning lens is an optical lens with high reflectivity and low thermal expansion coefficient, which ensures accurate scanning of the laser beam. The scanning controller is responsible for controlling the rotation of the galvanometer motor, generates a control signal according to the set welding path or real-time position information, and realizes complex welding tasks.

[0003] However, in practice, it has been found that the existing galvanometer laser welding equipment expands and fixes the inner cavity of the workpiece when clamping the workpiece, so that the laser beam can be welded along the edge of the workpiece. UTILITY MODEL CONTENTS

[0004] The utility model discloses a galvanometer laser welding device for plastic processing, which can clamp the locking sliding block according to the shape of the inner cavity of the workpiece through the cooperation of compressed gas and the pneumatic locker, thereby improving the stability during clamping.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A galvanometer laser welding device for plastic processing, comprising a galvanometer laser generator, a working platform is arranged below the galvanometer laser generator, and a limiting shell is fixedly connected to the working platform, and a limiting sliding groove is arranged in a rectangular array on the limiting shell, and a locking sliding block is movably connected in each limiting sliding groove.

[0007] A pneumatic locker is further installed on the inner side of the limiting shell, and the locking sliding block is slidably connected to the side surface of the pneumatic locker.

[0008] As a further technical scheme of the utility model, the pneumatic locker includes a main gas channel arranged in a rectangular shape, and the main gas channel is fixedly connected to the inner side of the limiting shell, and branch gas channels corresponding to the locking sliding blocks are integrally arranged on the two sides of the main gas channel.

[0009] As a further technical scheme of the utility model, the end of the main gas channel is fixedly connected with an air inlet pipeline and a pressure relief pipeline, and the end of the air inlet pipeline and the pressure relief pipeline penetrates the limiting shell, wherein each branch gas channel is arranged corresponding to the limiting sliding groove.

[0010] As a further technical scheme of the utility model, the locking sliding block includes a piston sleeve sleeved on the end of the branch gas channel, and a moving sliding block is integrally arranged above the piston sleeve, and a trapezoidal clamping seat is integrally arranged on the top of the moving sliding block.

[0011] As a further technical scheme of the utility model, the moving sliding block penetrates the limiting sliding groove and extends above the limiting shell, and the moving sliding block and the limiting sliding groove are in sliding cooperation, and the trapezoidal clamping seat is located above the limiting shell.

[0012] As a further technical scheme of the utility model, the side of the galvanometer laser generator is fixedly connected with a sliding seat, the side of the sliding seat is provided with a support arm, and the end of the sliding seat and the support arm is in sliding connection, the bottom of the support arm is fixedly connected with a support base, and the support base is fixedly connected below the working platform.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The utility model discloses a sliding cooperation between the branch gas channel and the piston sleeve, so that the compressed gas pushes the multiple arranged piston sleeves to move, so that the piston sleeve can stably clamp the workpiece according to the inner cavity shape of the welding part, and prevent the workpiece from shifting and moving during welding.

[0015] 2. The utility model discloses that the piston sleeve drives the moving sliding block to slide in the inner side of the limiting sliding groove, the trapezoidal clamping seat arranged in a rectangular array can clamp the workpiece above the limiting shell, and the clamping force can be controlled by adjusting the pressure of the compressed gas, so as to prevent the workpiece from being damaged due to the large clamping force.

[0016] 3. The utility model discloses that the cross section of the trapezoidal clamping seat is arranged in an inverted trapezoidal shape, the sharp end of the side of the trapezoidal clamping seat clamps the surface of the workpiece, and the cooperation of the pneumatic locker and the locking sliding block facilitates clamping the workpiece with complex shape. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure schematic diagram of the utility model in use.

[0018] Figure 2 is a partial enlarged schematic view of the utility model Figure 1 .

[0019] Figure 3 is a bottom structure schematic view of the utility model Figure 1 .

[0020] Figure 4 is a partial structure schematic view of the utility model Figure 1 .

[0021] Figure 5 is a bottom structure schematic view of the utility model Figure 4 .

[0022] Figure 6 is a position structure schematic view of the pneumatic locker and locking slider of the utility model.

[0023] Figure 7 is a three-dimensional structure schematic view of the pneumatic locker of the utility model.

[0024] In the drawings:

[0025] oscillating mirror laser generator-1, support base-2, support arm-3, sliding seat-4, work platform-5, limiting shell-6, limiting sliding groove-61, pneumatic locker-7, main gas passage-71, branch gas passage-72, air inlet pipeline-73, pressure relief pipeline-74, locking slider-8, piston sleeve-81, moving slider-82, trapezoidal clamping seat-83, cooling fan-9. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Please refer to Figures 1-7 , the utility model embodiment provides a kind of plastic processing's oscillating mirror laser welding device, including oscillating mirror laser generator 1, and the lower of oscillating mirror laser generator 1 is equipped with work platform 5, and work platform 5 is fixedly connected with limiting shell 6, and limiting shell 6 is rectangular array type and is equipped with limiting sliding groove 61, and each limiting sliding groove 61 is movably connected with locking slider 8;

[0028] The inside of limiting shell 6 is also installed with pneumatic locker 7, and locking slider 8 is slidably connected with the side surface of pneumatic locker 7.

[0029] In the embodiment, the pneumatic locker 7 comprises a main air channel 71 arranged in a rectangular shape, and the main air channel 71 is fixedly connected to the inner side of the limiting shell 6, and both sides of the main air channel 71 are integrally provided with branch air channels 72 corresponding to the locking sliding block 8.

[0030] Further, the end of the main air channel 71 is fixedly connected with an air inlet pipeline 73 and a pressure relief pipeline 74 respectively, and the end of the air inlet pipeline 73 and the pressure relief pipeline 74 penetrates the limiting shell 6, wherein each branch air channel 72 is arranged corresponding to the limiting sliding groove 61.

[0031] Further, the locking sliding block 8 comprises a piston sleeve 81 sleeved at the end of the branch air channel 72, and the upper part of the piston sleeve 81 is integrally provided with a moving sliding block 82, and the top of the moving sliding block 82 is integrally provided with a trapezoidal clamping seat 83.

[0032] Specifically, the moving sliding block 82 extends to the upper side of the limiting shell 6 through the limiting sliding groove 61, and the moving sliding block 82 and the limiting sliding groove 61 are slidingly matched, and the trapezoidal clamping seat 83 is located above the limiting shell 6.

[0033] Further, the side of the galvanometer laser generator 1 is fixedly connected with a sliding seat 4, and the side of the sliding seat 4 is provided with a support arm 3, and the end of the sliding seat 4 and the support arm 3 is slidingly connected, the bottom of the support arm 3 is fixedly connected with a support base 2, and the support base 2 is fixedly connected below the working platform 5.

[0034] By adopting the above technical scheme, the workpiece is placed above the limiting shell 6, then the pressure relief valve at the end of the pressure relief pipeline 74 is closed, the compressed gas in the external air pressure pump is introduced into the main air channel 71 through the air inlet pipeline 73, then the compressed gas in the main air channel 71 pushes the piston sleeve 81 to move outward through the branch air channel 72, the piston sleeve 81 drives the moving sliding block 82 and the trapezoidal clamping seat 83 to expand outward, clamping the inner cavity of the workpiece, and since the plurality of branch air channels 72 are connected with each other, the trapezoidal clamping seat 83 can slide according to the shape of the inner cavity of the workpiece, improving the stability of clamping the workpiece.

[0035] In the embodiment, the two sides of the galvanometer laser generator 1 are fixedly connected with heat dissipation fans 9, which quickly dissipate heat from the galvanometer laser generator 1, preventing high temperature during use of the galvanometer laser generator 1 from causing damage to the galvanometer laser generator 1.

[0036] Further, the end of the air inlet pipeline 73 is connected with an external air pressure pump station (not shown in the figure) through a pipeline, and the compressed gas enters the inside of the main air channel 71 through the air inlet pipeline 73, then pushes the piston sleeve 81 arranged in a rectangular array to move.

[0037] Further, the end of the pressure relief pipeline 74 is fixedly connected with a pressure relief valve (not shown in the figure) after penetrating the limiting shell 6, the pressure relief valve is opened, and the compressed gas inside the branch air duct 72 is discharged.

[0038] The working principle of the utility model is: when using, first, the plurality of mobile sliding blocks 82 are moved to the middle position of the limiting shell 6, the compressed gas inside the main air duct 71 is discharged, then the pressure relief valve is closed, the workpiece is placed above the limiting shell 6, at this time, the trapezoidal clamping seat 83 is located in the inner cavity of the workpiece, then the compressed gas is sent into the main air duct 71 through the air inlet pipeline 73, the main air duct 71 sends the compressed gas into the branch air duct 72, the piston sleeve 81 at the end of the branch air duct 72 slides outward, and the piston sleeve 81 pushes the mobile sliding block 82 and the trapezoidal clamping seat 83 to move outward, clamping the inner cavity of the workpiece, since the plurality of branch air ducts 72 are interconnected, the piston sleeve 81 can be automatically adjusted according to the shape of the inner cavity of the workpiece, improving the stability of clamping the workpiece, and the galvanometer in the galvanometer laser generator 1 deflects, adjusting the irradiation angle of the laser, thereby processing the workpiece.

[0039] It is apparent for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the utility model. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0040] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A galvanometer laser welding apparatus for plastic processing, characterized by: Including galvanometer laser generator (1), the lower part of galvanometer laser generator (1) is provided with work platform (5), and work platform (5) is fixedly connected with limiting shell (6), and limiting shell (6) is provided with limiting sliding slot (61) in rectangular array, and each limiting sliding slot (61) is movably connected with locking sliding block (8); The inner side of the limiting shell (6) is also provided with a pneumatic locker (7), and the locking sliding block (8) is slidably connected with the side surface of the pneumatic locker (7).

2. The galvanometer laser welding device for plastic processing according to claim 1, characterized by: The pneumatic locker (7) includes a rectangularly arranged main air duct (71), which is fixedly connected to the inner side of the limiting shell (6), and the two sides of the main air duct (71) are integrally provided with branch air ducts (72) corresponding to the locking sliding block (8).

3. The galvanometer laser welding device for plastic processing according to claim 2, characterized by: The end of the main air duct (71) is respectively fixedly connected with the air inlet pipe (73) and the pressure relief pipe (74), and the end of the air inlet pipe (73) and the pressure relief pipe (74) penetrates the limiting shell (6), wherein each branch air duct (72) is correspondingly arranged with the limiting sliding slot (61).

4. The galvanometer laser welding device for plastic processing according to claim 3, characterized by: The locking sliding block (8) includes a piston sleeve (81) sleeved on the end of the branch air duct (72), and the piston sleeve (81) is integrally provided with a moving sliding block (82) above, and the moving sliding block (82) is integrally provided with a trapezoidal clamping seat (83) on the top.

5. The galvanometer laser welding device for plastic processing according to claim 4, characterized in that: The moving sliding block (82) extends to the upper part of the limiting shell (6) through the limiting sliding slot (61), and the moving sliding block (82) and the limiting sliding slot (61) are slidably connected, and the trapezoidal clamping seat (83) is located above the limiting shell (6).

6. The galvanometer laser welding device for plastic processing according to claim 5, characterized by: The side of the galvanometer laser generator (1) is fixedly connected with a sliding seat (4), and the side of the sliding seat (4) is provided with a support arm (3), and the end of the sliding seat (4) and the support arm (3) is slidably connected, and the bottom of the support arm (3) is fixedly connected with a support base (2), and the support base (2) is fixedly connected below the work platform (5).