Balloon catheter laser welding machine

Abstract

The utility model relates to a balloon catheter laser welding machine which comprises a machine frame, a clamping device and a laser welding device, and the laser welding device is arranged on the machine frame. The clamping device comprises a guide rail seat, a first rotary clamping device and a second rotary clamping device, the guide rail seat is arranged on a bottom plate of the rack, and the two rotary clamping devices are arranged on the guide rail seat in a sliding mode; the first rotary clamping device and the second rotary clamping device are used for clamping a to-be-welded balloon part and a to-be-welded catheter part respectively, and the laser welding device is suitable for carrying out laser welding on the balloon part and the catheter part. The balloon part and the catheter part are clamped through the two rotary clamping devices respectively, the welding position is adjusted, and the balloon catheter can be welded through the laser welding device, so that the balloon catheter is welded more firmly and stably.

Description

Technical Field

[0001] The utility model relates to the field of balloon catheter welding equipment, in particular to a balloon catheter laser welding machine. Background Art

[0002] The manufacture of balloon catheter products requires welding the balloon and the catheter together. Currently, hot melt welding is generally used. Please refer to our company's prior patent application, CN217968445U balloon catheter welding machine. Hot melt welding has the following defects: 1. There are requirements for welding materials; 2. Hot melt welding cannot weld the balloon with thin wall thickness if the temperature is too low, and the balloon will be melted if the temperature is too high, and the temperature is difficult to control; 3. Hot melt welding will have heat radiation, which will have a certain impact on the size of the balloon and even cause the balloon to deform. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a balloon catheter laser welding machine to solve the problems of difficult temperature control and easy deformation of the balloon in the previous hot melt welding between the balloon and the catheter.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] Provided is a balloon catheter laser welding machine, comprising:

[0006] A frame, a clamping device and a laser welding device, wherein the laser welding device is arranged on the frame;

[0007] The clamping device comprises a guide rail seat, a first rotating clamping device and a second rotating clamping device, wherein the guide rail seat is arranged on the bottom plate of the frame, and the two rotating clamping devices are slidably arranged on the guide rail seat;

[0008] The first rotating clamping device and the second rotating clamping device clamp the balloon component and the catheter component to be welded respectively, and the laser welding device is suitable for laser welding the balloon component and the catheter component.

[0009] Furthermore, a slide rail assembly is arranged between the guide rail seat and the bottom plate, and the guide rail seat is movably arranged on the bottom plate via the slide rail assembly;

[0010] A driving assembly is connected to the guide rail seat to drive the guide rail seat to move on the base plate.

[0011] Furthermore, the drive assembly includes

[0012] Stepper motor, lead screw, nut seat and two end seats;

[0013] The end seat is fixedly arranged, the screw rod passes through the end seat and forms a rotational fit with the end seat, the nut seat is fixedly connected to the guide rail seat and forms a spiral fit with the screw rod, and the stepper motor is connected to the screw rod; the stepper motor drives the nut seat to move via the screw rod, thereby driving the guide rail seat to translate.

[0014] Furthermore, the laser welding device comprises

[0015] Laser generator, focusing device and camera;

[0016] The laser light emitted by the laser generator enters the focusing device, and the focusing device uses the concentrated laser light to weld the balloon component and the catheter component.

[0017] Furthermore, the focusing device comprises

[0018] Linear modules, focusing lenses and refractors;

[0019] The linear module is fixed on the frame, the focusing lens is connected to the slider of the linear module, the linear module drives the focusing lens to move up and down, and the refractor is fixed above the focusing lens and is at the same height as the emission point of the laser generator.

[0020] The beneficial effects of the utility model are:

[0021] The utility model provides a balloon catheter laser welding machine, which respectively clamps a balloon part and a catheter part and adjusts the welding position through two rotating clamping devices, and can realize welding of the balloon catheter through the laser welding device, so that the balloon catheter welding is firmer and more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The utility model is further described below in conjunction with the accompanying drawings.

[0023] Figure 1 This is a schematic diagram of the utility model balloon catheter laser welding machine;

[0024] Figure 2 It is the structural diagram of the clamping device and the laser welding device;

[0025] Figure 3 is a schematic diagram of a clamping device;

[0026] Figure 4 is a schematic diagram of a laser welding device;

[0027] Among them, 1, frame, 11, bottom plate;

[0028] 2. Guide rail seat;

[0029] 31. a first rotating clamping device, 32. a second rotating clamping device;

[0030] 4. Slide rail assembly;

[0031] 5. driving assembly, 51. stepping motor, 52. lead screw, 53. nut seat;

[0032] 6. Laser welding device, 61. Laser generator, 62. Focusing device, 621. Linear module, 622. Focusing lens, 623. Refractor; 63. Camera;

[0033] 7. Electronic control system. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] The present application provides a balloon catheter laser welding machine, which is described in detail below. It should be noted that the description order of the following embodiments does not limit the preferred order of the embodiments of the present application. In the following embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments.

[0036] In order to solve the technical problems of the hot-melt welding between the balloon and the catheter in the prior art, such as the difficulty in controlling the temperature and the easy deformation of the balloon, an embodiment of the present application provides a balloon catheter laser welding machine, which is described in detail below.

[0037] like Figures 1 to 4 As shown, a balloon catheter laser welding machine is characterized in that it includes

[0038] A frame 1, a clamping device and a laser welding device 6, wherein the laser welding device 6 is arranged on the frame 1;

[0039] The clamping device includes a guide rail seat 2, a first rotating clamping device 31 and a second rotating clamping device 32. The guide rail seat 2 is arranged on the bottom plate 11 of the frame 1, and the two rotating clamping devices are slidably arranged on the guide rail seat 2.

[0040] The first rotating clamping device 31 and the second rotating clamping device 32 clamp the balloon component and the catheter component to be welded respectively, and the laser welding device 6 is suitable for laser welding the balloon component and the catheter component.

[0041] The rotating clamping device in this embodiment belongs to the prior art, see the prior patent application, CN209175621U balloon catheter rotating device.

[0042] A guide groove is provided at the upper end of the guide rail seat 2 , and the rotary clamping device can move freely on the guide rail seat 2 through the guide groove, so that the operator can manually adjust the positions of the two rotary clamping devices on the guide rail seat 2 .

[0043] In this embodiment, an electric control system 7 is arranged on the frame 1, and the electric control system 7 includes electric control components, a touch screen and a display screen. The electric control components are arranged in the frame 1, and the touch screen is embeddedly installed on the frame 1, and the touch screen can be used to set the welding parameters of the balloon catheter; the display screen is embeddedly installed on the frame 1, and the display screen can determine the welding position of the balloon catheter;

[0044] Specifically, as an optional implementation in this embodiment, Figure 2 Figure 3 As shown, a slide rail assembly 4 is arranged between the guide rail seat 2 and the bottom plate 11, and the guide rail seat 2 is movably arranged on the bottom plate 11 via the slide rail assembly 4;

[0045] The driving assembly 5 is connected to the guide rail base 2 to drive the guide rail base 2 to move on the bottom plate 11 .

[0046] The slide rail assembly 4 includes a fixed slide rail and a sliding block. The fixed slide rail is arranged on the bottom plate 11. The sliding block is fixedly connected to the guide rail seat 2. The guide rail seat 2 moves on the fixed slide rail via the sliding block below.

[0047] Specifically, as an optional implementation in this embodiment, Figure 3 As shown, the driving assembly 5 includes

[0048] Stepper motor 51, lead screw 52, ​​nut seat 53 and two end seats;

[0049] The end seat is fixedly arranged, the screw rod 52 passes through the end seat and forms a rotational fit with the end seat, the nut seat 53 is fixedly connected to the guide rail seat 2 and forms a spiral fit with the screw rod 52, and the stepping motor 51 is connected to the screw rod 52; the stepping motor 51 drives the nut seat 53 to move through the screw rod 52, thereby driving the guide rail seat 2 to translate.

[0050] Specifically, as an optional implementation in this embodiment, Figures 2 to 4 As shown, the laser welding device 6 includes

[0051] Laser generator 61, focusing device 62 and camera 63;

[0052] The laser light emitted by the laser generator 61 enters the focusing device 62 , and the focusing device 62 uses the focused laser light to weld the balloon component and the catheter component.

[0053] The frame 1 is provided with a mounting top plate, on which the laser welding device 6 is fixed, and the focusing device 62 performs laser welding on the balloon catheter. The camera 63 can determine the welding position of the balloon catheter by projection, and the user can clearly observe the welding position through the display screen.

[0054] Specifically, as an optional implementation in this embodiment, Figure 4 As shown, the focusing device 62 includes a linear module 621, a focusing lens 622 and a refractor 623;

[0055] The linear module 621 is fixed on the frame 1, the focusing lens 622 is connected to the slider of the linear module 621, the linear module 621 drives the focusing lens 622 to move up and down, and the refraction mirror 623 is fixed above the focusing lens 622 and is at the same height as the emission point of the laser generator 61.

[0056] The focusing lens 622 is vertically arranged, the refractor 623 is located at the upper end of the focusing lens 622, the telescopic tube at the lower part of the focusing lens 622 is connected to the linear module 621, and the linear module 621 drives the lens to telescope so as to focus the laser.

[0057] When the balloon catheter laser welding machine is in operation, the driving assembly 5 can drive the entire guide rail seat 2 to move horizontally out of the bottom plate 11 area of ​​the frame 1, so as to facilitate the workers to install the balloon component and the catheter component on the two rotating clamping devices respectively. After the installation is completed, the guide rail seat 2 is reset to the bottom plate 11, and then the distance between the two rotating clamping devices is manually adjusted to bring the welding positions between the balloon component and the catheter component together. After preparation, laser welding is performed, and the welding parameters can be set through the electronic control system 7. The balloon component and the catheter component are welded by the laser welding device 6. The welded balloon catheter product is firm and reliable.

[0058] The various devices selected in this application (components whose specific structures are not described) are all universal standard parts or components known to technical personnel in this field, and their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods.

[0059] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0060] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0061] In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. The device embodiments described above are merely schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some communication interfaces, and the indirect coupling or communication connection of devices or units can be electrical, mechanical or other forms.

[0062] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0063] In addition, each functional unit in each embodiment of the present utility model may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0064] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A balloon catheter laser welding machine, characterized in that: include A frame (1), a clamping device and a laser welding device (6), wherein the laser welding device (6) is arranged on the frame (1); The clamping device comprises a guide rail seat (2), a first rotating clamping device (31) and a second rotating clamping device (32); the guide rail seat (2) is arranged on a bottom plate (11) of a frame (1), and the two rotating clamping devices are slidably arranged on the guide rail seat (2); The first rotating clamping device (31) and the second rotating clamping device (32) respectively clamp the balloon component and the catheter component to be welded, and the laser welding device (6) is suitable for laser welding the balloon component and the catheter component.

2. The balloon catheter laser welding machine according to claim 1, characterized in that: A slide rail assembly (4) is arranged between the guide rail seat (2) and the bottom plate (11), and the guide rail seat (2) is movably arranged on the bottom plate (11) via the slide rail assembly (4); A driving assembly (5) is connected to the guide rail seat (2) to drive the guide rail seat (2) to move on the base plate (11).

3. The balloon catheter laser welding machine according to claim 2, characterized in that: The driving assembly (5) comprises A stepper motor (51), a lead screw (52), a nut seat (53) and two end seats; The end seat is fixedly arranged, the screw rod (52) passes through the end seat and forms a rotational fit with the end seat, the nut seat (53) is fixedly connected to the guide rail seat (2) and forms a spiral fit with the screw rod (52), and the stepping motor (51) is connected to the screw rod (52); the stepping motor (51) drives the nut seat (53) to move via the screw rod (52), thereby driving the guide rail seat (2) to translate.

4. The balloon catheter laser welding machine according to claim 1, characterized in that: The laser welding device (6) comprises A laser generator (61), a focusing device (62) and a camera (63); The laser light emitted by the laser generator (61) enters the focusing device (62), and the focusing device (62) uses the concentrated laser light to weld the balloon component and the catheter component.

5. The balloon catheter laser welding machine according to claim 4, characterized in that: The focusing device (62) comprises A linear module (621), a focusing lens (622) and a refractor (623); The linear module (621) is fixed on the frame (1), the focusing lens (622) is connected to a slider of the linear module (621), the linear module (621) drives the focusing lens (622) to move up and down, and the refraction mirror (623) is fixed above the focusing lens (622) and is at the same height as the emission point of the laser generator (61).

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