Nose bridge strip welding device

Abstract

The application provides a nose bridge strip welding device, which comprises a positioning clamp, a nose bridge strip conveying assembly, a nose bridge strip transferring assembly, a nose bridge strip positioning assembly and a nose bridge strip welding assembly; the nose bridge strip conveying assembly is used for outputting the nose bridge strip; the nose bridge strip transferring assembly is used for transferring the nose bridge strip output by the nose bridge strip conveying assembly to the nose bridge strip positioning assembly; the positioning clamp is used for positioning a mask body; the positioning groove is used for positioning two ends of the nose bridge strip; the first pressing seat is movably connected to the first supporting seat and elastically movable relative to the first supporting seat; the first pressing seat is used for pressing the middle part of the nose bridge strip; the welding head passes through the corresponding avoiding groove during movement and welds the mask body and the nose bridge strip, so that the mask body and the nose bridge strip are welded after being positioned, the position accuracy between the mask body and the nose bridge strip is ensured, the position deviation of the nose bridge strip relative to the mask body is avoided, and the welding effect of the nose bridge strip welding device is improved.

Description

Technical Field

[0001] This invention relates to the technical field of nose bridge strip welding devices, and more particularly to a nose bridge strip welding device. Background Technology

[0002] With the development of technology, masks have been applied to people's lives and are worn by people to prevent the inhalation of allergens such as pollen. The nose bridge strip welding device is used to weld the mask body and the nose bridge strip.

[0003] In the existing technology, the existing nose bridge strip welding device includes a base, a positioning fixture, and a nose bridge strip welding assembly. The positioning fixture and the nose bridge strip welding assembly are connected to the base. The nose bridge strip welding assembly is located on one side of the positioning fixture. The positioning fixture is used to position the mask body. The nose bridge strip is placed on the mask body under human intervention. The nose bridge strip welding assembly welds the mask body and the nose bridge strip. However, the position of the nose bridge strip relative to the mask body is prone to deviation, resulting in poor welding effect of the existing nose bridge strip welding device. Summary of the Invention

[0004] The present invention aims to provide a nose bridge strip welding device, wherein a nose bridge strip positioning component and a nose bridge strip welding component are both disposed on the same side of a positioning fixture; a nose bridge strip transfer component is located between a nose bridge strip conveying component and a nose bridge strip positioning component; the nose bridge strip conveying component is used to output the nose bridge strip; the nose bridge strip transfer component is used to transfer the nose bridge strip output by the nose bridge strip conveying component to the nose bridge strip positioning component; the positioning fixture is used to position the mask body; the nose bridge strip positioning component includes a first base, a first support base, a first positioning base, and a first pressing base; the first base is disposed outside the positioning fixture; the first support base is movably connected to the first base, the first positioning base is connected to the first support base, and the first positioning base is connected to the first positioning base. The base is provided with a positioning groove and a clearance groove. The positioning groove is used to position the two ends of the nose bridge strip. The first pressing seat is movably connected to the first support seat and is elastically movable relative to the first support seat. The first pressing seat is used to press the middle position of the nose bridge strip. The nose bridge strip welding assembly is provided with a second base and a welding head. The welding head is movably connected to the second base and is arranged in an inclined direction. During the movement, the welding head passes through the corresponding clearance groove and welds the mask body and the nose bridge strip, so as to realize the welding after the mask body and the nose bridge strip are positioned, ensuring the positional accuracy between the mask body and the nose bridge strip, avoiding the positional deviation of the nose bridge strip relative to the mask body, and improving the welding effect of the nose bridge strip welding device.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a nose bridge strip welding device, comprising a positioning fixture, a nose bridge strip conveying assembly, a nose bridge strip transfer assembly, a nose bridge strip positioning assembly, and a nose bridge strip welding assembly; the nose bridge strip positioning assembly and the nose bridge strip welding assembly are both disposed on the same side of the positioning fixture; the nose bridge strip transfer assembly is located between the nose bridge strip conveying assembly and the nose bridge strip positioning assembly; the nose bridge strip conveying assembly is used to output the nose bridge strip; the nose bridge strip transfer assembly is used to transfer the nose bridge strip output by the nose bridge strip conveying assembly to the nose bridge strip positioning assembly; The positioning fixture is used to position the mask body; The nose bridge strip positioning assembly includes a first base, a first support, a first positioning seat, and a first pressing seat. The first base is disposed on the outside of the positioning clamp. The first support is movably connected to the first base, and the first positioning seat is connected to the first support. The first positioning seat has a positioning groove and a clearance groove, the positioning groove being used to position both ends of the nose bridge strip. The first pressing seat is movably connected to the first support and elastically movable relative to the first support. The first pressing seat is used to press against the middle position of the nose bridge strip. The nose bridge strip welding assembly is provided with a second base and a welding head; the welding head is movably connected to the second base and arranged in an inclined direction; the welding head passes through the corresponding avoidance groove during movement and welds the mask body and the nose bridge strip.

[0006] Optionally, the nose bridge strip positioning assembly further includes a movable module located between the first base and the first support. The active module includes a first movable seat and a first swing seat; the first movable seat is movably connected to the first base, and the first swing seat is swingably connected to the first movable seat and supports the first support seat; the first support seat is adjusted to an inclined state as the first swing seat swings. The first support seat is movably connected to the first swing seat and can move along the tilt direction, so that the first positioning seat and the first pressing seat move toward the positioning clamp.

[0007] Optionally, the first movable seat is connected to the first base via the first movable module; the mounting end of the first movable module is mounted on the first base; and the movable end of the first movable module supports the first movable seat.

[0008] Optionally, the first movable seat is provided with a supporting arm; The first swing seat is hinged to the support arm. A first cylinder is provided between the first swing seat and the first movable seat. The first cylinder is arranged along the inclined direction. The connecting end of the first cylinder is hinged to the first movable seat, and the output end of the first cylinder is hinged to the first swing seat. The first swing seat is adjusted in angle under the drive of the first cylinder.

[0009] Optionally, the first support base is connected to the first swing base via a second movable module; the mounting end of the second movable module is mounted on the first swing base; and the movable end of the second movable module supports the first support base.

[0010] Optionally, the first positioning seat and the first pressing seat are both connected to the same first support seat; The first positioning seat includes a first body and a first positioning part; the first positioning part is connected to the first body, and the first body is connected to the first support seat; the first positioning part is arranged in a V-shape, and positioning grooves are respectively provided at both ends of the first positioning part, and the two positioning grooves respectively position the two ends of the nose bridge strip. The first pressing seat includes a second body and a first pressing part. The first pressing part is connected to the second body, and the second body is movably connected to the first support seat and elastically movable relative to the first support seat. The first pressing part is located in the inner space of the first positioning part and is at the same horizontal range as the two positioning grooves. The outer surface of the first pressing part serves as a pressing surface and presses against the middle position of the nose bridge strip.

[0011] Optionally, the first support is connected to a linear bearing; there are multiple linear bearings, and the multiple linear bearings are arranged side by side along the length direction of the first support. The second main body is connected to a plurality of cylindrical shafts; the plurality of cylindrical shafts are movably threaded through corresponding linear bearings; the cylindrical shafts are sleeved on the elastic member, and the two ends of the elastic member elastically contact the second main body and the first support seat respectively; The first pressing part has a gap with the inner wall of the first positioning part; When the nose bridge strip is clamped between the mask body and the first pressing part at the middle position, the first support seat moves further toward the positioning fixture under the drive of the second moving module. The two ends of the nose bridge strip bend relative to the middle position as the first positioning part moves and gradually fit into the mask body.

[0012] Optionally, the nose bridge strip transfer assembly includes a third base, a third moving module, a second support base, a first lifting base, a pneumatic gripper, and two clamping arms; The connecting end of the third mobile module is connected to the third base; the moving end of the third mobile module is connected to the second support base, and the first lifting base is vertically connected to the second support base; The connecting end of the pneumatic gripper is connected to the first lifting seat, and the clamping end of the pneumatic gripper is connected to the corresponding clamping support arm, thereby driving the two clamping support arms to clamp or release the nose bridge strip.

[0013] Optionally, the nose bridge strip delivery assembly includes a fourth base and a plurality of rollers; Multiple rollers are rotatably connected to the fourth base and are arranged alternately in sequence to rotatably transport the nose bridge strip.

[0014] Optionally, the nose strip conveying assembly further includes multiple calibration roller sets; the multiple calibration roller sets are arranged along the conveying direction of the nose strip and calibrate the nose strip conveyed by the multiple roller conveying lines.

[0015] Compared with the prior art, the beneficial effects of the present invention are: This invention provides a nose bridge strip welding device, wherein a nose bridge strip positioning component and a nose bridge strip welding component are both disposed on the same side of a positioning fixture; a nose bridge strip transfer component is located between a nose bridge strip conveying component and a nose bridge strip positioning component; the nose bridge strip conveying component is used to output the nose bridge strip; the nose bridge strip transfer component is used to transfer the nose bridge strip output by the nose bridge strip conveying component to the nose bridge strip positioning component; the positioning fixture is used to position the mask body; the nose bridge strip positioning component includes a first base, a first support base, a first positioning base, and a first pressing base; the first base is disposed outside the positioning fixture; the first support base is movably connected to the first base, and the first positioning base is connected to the first support base, and the first positioning base is provided with... The device includes a positioning groove and a clearance groove. The positioning groove is used to position both ends of the nose bridge strip. A first pressing seat is movably connected to a first support seat and elastically movable relative to the first support seat. The first pressing seat is used to press against the middle position of the nose bridge strip. The nose bridge strip welding assembly is provided with a second base and a welding head. The welding head is movably connected to the second base and arranged in an inclined direction. During the movement, the welding head passes through the corresponding clearance groove and welds the mask body and the nose bridge strip. This allows the mask body and the nose bridge strip to be positioned before welding, ensuring the positional accuracy between the mask body and the nose bridge strip, avoiding deviations in the position of the nose bridge strip relative to the mask body, and improving the welding effect of the nose bridge strip welding device. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings. In the following description, the same reference numerals denote the same parts.

[0018] Figure 1 A schematic diagram of a nose bridge strip welding apparatus according to an embodiment of this application is shown.

[0019] Figure 2 A front view of a nose bridge strip welding apparatus according to an embodiment of this application is shown. Figure 3 It shows Figure 2 A magnified view of a portion of point A in the middle.

[0020] Figure 4 A schematic diagram of a nose strip positioning assembly of a nose strip welding apparatus according to an embodiment of this application is shown.

[0021] Figure 5 A side view of the nose strip positioning assembly of a nose strip welding apparatus according to an embodiment of this application is shown.

[0022] Figure 6 A schematic diagram of a nose bridge strip welding assembly of a nose bridge strip welding apparatus according to an embodiment of this application is shown.

[0023] Figure Labels 100. Nose bridge strip welding device; 10. Positioning fixture; 20. Nose bridge strip conveyor assembly; 21. Fourth base; 22. Rollers; 23. Calibration wheel assembly; 30. Nose bridge strip transfer assembly; 31. Third base; 32. Third moving module; 33. Second support seat; 34. First lifting seat; 35. Pneumatic gripper; 36. Clamping arm; 40. Nose bridge strip positioning assembly; 41. First base; 42. First support seat; 421. Linear bearing; 43. First positioning seat; 43a. Positioning groove; 43b. Clearance groove; 431. First main body; 432. First positioning part; 44. First pressing seat; 441. Second main body; 4411. Cylindrical shaft; 4412. Elastic element; 442. First pressing part; 45. Movable module; 451. First movable seat; 4511. Support arm; 452. First swing seat; 453. First movable module; 454. First cylinder; 46. Second movable module; 50. Nose bridge strip welding assembly; 51. Second base; 52. Welding head. Detailed Implementation

[0024] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0025] Please refer to the attached document. Figures 1-6 This application provides a nose bridge strip welding device 100, which welds the mask body and the nose bridge strip.

[0026] Please refer to the attached document. Figures 1-6 In this embodiment, the nose bridge strip welding device 100 includes a positioning fixture 10, a nose bridge strip conveying assembly 20, a nose bridge strip transfer assembly 30, a nose bridge strip positioning assembly 40, and a nose bridge strip welding assembly 50. The nose bridge strip positioning assembly 40 and the nose bridge strip welding assembly 50 are both located on the same side of the positioning fixture 10, avoiding frequent rotation and handling of the nose bridge strip welding assembly 50, thus saving time and movement. The nose bridge strip transfer assembly 30 is located between the nose bridge strip conveying assembly 20 and the nose bridge strip positioning assembly 40. The nose bridge strip conveying assembly 20 is used to output the nose bridge strip to achieve automated nose bridge strip conveying. The nose bridge strip transfer assembly 30 is used to transfer the nose bridge strip output by the nose bridge strip conveying assembly 20 to the nose bridge strip positioning assembly 40 to achieve automated nose bridge strip transfer.

[0027] The positioning fixture 10 is used to position the mask body; so that the positioning fixture 10 can limit the position of the mask body, ensure the positional accuracy of the mask body, and prevent the mask body from shifting position.

[0028] The nose bridge strip positioning assembly 40 includes a first base 41, a first support base 42, a first positioning base 43, and a first pressing base 44. The first base 41 is disposed on the outside of the positioning clamp 10. The first support base 42 is movably connected to the first base 41 to facilitate adjustment of the position of the first support base 42 relative to the first base 41. The first positioning base 43 is connected to the first support base 42 so that the first positioning base 43 moves with the movement of the first support base 42. The first positioning base 43 is provided with a positioning groove 43a and a clearance groove 43b. The positioning groove 43a is used to position the nose bridge strip. The two ends of the beam are positioned so that the inner sidewall of the positioning groove 43a restricts the position of the two ends of the positioning nose beam, ensuring the positional accuracy of the two ends of the positioning nose beam; the first pressing seat 44 is movably connected to the first support seat 42 so as to adjust the position of the first pressing seat 44 relative to the first support seat 42, and the first pressing seat 44 is elastically movable relative to the first support seat 42; the first pressing seat 44 is used to press the middle position of the nose beam; so that the first pressing seat 44 can press under the elastic force, ensuring the pressing effect of the first pressing seat 44 on the middle position of the nose beam.

[0029] The nose bridge strip welding assembly 50 is provided with a second base 51 and a welding head 52. The welding head 52 is movably connected to the second base 51 to facilitate adjustment of the position of the welding head 52 relative to the second base 51. The welding head 52 is arranged in an inclined direction. During the movement, the welding head 52 passes through the corresponding clearance groove 43b and welds the mask body and the nose bridge strip. This ensures that the mask body and the nose bridge strip are positioned before welding, thus guaranteeing the positional accuracy between the mask body and the nose bridge strip, avoiding deviation in the position of the nose bridge strip relative to the mask body, and improving the welding effect of the nose bridge strip welding device 100.

[0030] Please refer to the attached document. Figures 1-5 In this embodiment, the nose bridge strip positioning assembly 40 further includes a movable module 45, which is located between the first base 41 and the first support base 42. The movable module 45 includes a first movable base 451 and a first swing base 452. The first movable base 451 is disposed on the upper side of the first base 41 and is movably connected to the first base 41 and moves along the length direction of the first base 41 to adjust the length position of the first movable base 451 relative to the first base 41. The first swing base 452 is swayably connected to the first movable base 451 to adjust the position of the first swing base 452 relative to the first movable base 451. The first swing base 452 supports the first support base 42. The first support base 42 is adjusted to an inclined state as the first swing base 452 swings, so that the first support base 42 can be adjusted along multiple different positions.

[0031] The first support seat 42 is movably connected to the first swing seat 452 and can move along the inclined direction, so that the first positioning seat 43 and the first pressing seat 44 move toward the positioning clamp 10, so that the first positioning seat 43 can drive the nose bridge strip closer to the mask body, thereby facilitating the first pressing seat 44 to press against the nose bridge strip and the mask body, ensuring the positional accuracy between the nose bridge strip and the mask body, and preventing positional displacement between the nose bridge strip and the mask body.

[0032] Please refer to the attached document. Figures 1-5 In this embodiment, the first movable seat 451 is connected to the first base 41 via a first movable module 453; the mounting end of the first movable module 453 is mounted on the first base 41; the movable end of the first movable module 453 supports the first movable seat 451, so that the first movable seat 451 can move automatically relative to the first base 41 under the action of the first movable module 453. The first movable module 453 includes a motor and a lead screw transmission module. The fixed end of the motor is connected to the first base 41, and the output end of the motor is connected to the lead screw transmission module and drives the lead screw transmission module to rotate. The first movable seat 451 is connected to the lead screw transmission module so that the first movable seat 451 moves with the rotation of the lead screw transmission module.

[0033] Please refer to the attached document. Figures 1-5 In this embodiment, the first movable seat 451 is provided with a support arm 4511; the first swing seat 452 is hinged to the support arm 4511 so that the first swing seat 452 can swing relative to the support arm 4511 by means of hinge; a first cylinder 454 is provided between the first swing seat 452 and the first movable seat 451. The first cylinder 454 is arranged along the inclined direction. The connecting end of the first cylinder 454 is hinged to the first movable seat 451, and the output end of the first cylinder 454 is hinged to the first swing seat 452; the first swing seat 452 is adjusted in angle under the drive of the first cylinder 454 so as to realize the automatic swing effect of the first swing seat 452.

[0034] Please refer to the attached document. Figures 1-5 In this embodiment, the first support base 42 is connected to the first swing base 452 via a second moving module 46; the mounting end of the second moving module 46 is mounted on the first swing base 452; the moving end of the second moving module 46 supports the first support base 42, so that the first support base 42 can move automatically relative to the first swing base 452 under the action of the second moving module 46. Optionally, the second moving module 46 is a cylinder.

[0035] Please refer to the attached document. Figures 1-5 In this embodiment, the first positioning seat 43 and the first pressing seat 44 are both connected to the same first support seat 42, so that the first positioning seat 43 and the first pressing seat 44 move with the movement of the first support seat 42. This facilitates the first positioning seat 43 and the first pressing seat 44 moving closer to the positioning fixture 10. The first positioning seat 43 includes a first main body 431 and a first positioning part 432; the first positioning part 432 is connected to the first main body 431, and the first main body 431 is connected to the first support seat 42, so that the first positioning seat 43 can be connected to the first support seat 42 through the first main body 431; the first positioning part 432 is arranged in a V-shape, and each end of the first positioning part 432 is provided with a positioning groove 43a, which positions the two ends of the nose bridge strip respectively; so that the two ends of the first positioning part 432 can restrict the two ends of the nose bridge strip through the two positioning grooves 43a, ensuring the positional accuracy of the two ends of the nose bridge strip.

[0036] Please refer to the attached document. Figures 1-5The first pressing seat 44 includes a second main body 441 and a first pressing part 442. The first pressing part 442 is connected to the second main body 441. The second main body 441 is movably connected to the first support seat 42 and is elastically movable relative to the first support seat 42 to adjust the position of the second main body 441 relative to the first support seat 42. The first pressing part 442 is located in the inner space of the first positioning part 432 and is at the same horizontal level as the two positioning grooves 43a. The outer surface of the first pressing part 442 serves as the pressing surface and presses against the middle position of the nose bridge strip so that the first positioning part 432 and the first pressing part 442 cooperate to restrict the three positions of the nose bridge strip respectively, ensuring the position of the nose bridge strip relative to the mask body.

[0037] Please refer to the attached document. Figures 1-5 In this embodiment, the first support base 42 is connected to a linear bearing 421; there are multiple linear bearings 421, which are arranged side by side along the length of the first support base 42; the second body 441 is connected to multiple cylindrical shafts 4411; the multiple cylindrical shafts 4411 are movably inserted through the corresponding linear bearings 421, so that the second body 441 can move relative to the first support base 42 through the cooperation of the cylindrical shafts 4411 and the linear bearings 421; the cylindrical shafts 4411 are sleeved on the elastic member 4412, and the two ends of the elastic member 4412 elastically contact the second body 441 and the first support base 42 respectively; so that the second body 441 can elastically move relative to the first support base 42 through the elastic member 4412, thereby facilitating the elastic member 4412 to apply an elastic force to the second body 441, ensuring the pressing effect of the first pressing seat 44 on the middle position of the nose bridge strip.

[0038] There is a gap between the inner wall of the first pressing part 442 and the first positioning part 432; when the nose bridge strip is clamped by the mask body and the first pressing part 442 at the middle position, the first support seat 42 moves further toward the positioning fixture 10 under the drive of the second moving module 46, and the two ends of the nose bridge strip bend relative to the middle position as the first positioning part 432 moves, and gradually fit into the mask body, ensuring the welding position between the two ends of the nose bridge strip and the mask body.

[0039] Please refer to the attached document. Figures 1-3In this embodiment, the nose bridge strip transfer assembly 30 includes a third base 31, a third moving module 32, a second support base 33, a first lifting base 34, a pneumatic gripper 35, and two clamping arms 36. The connecting end of the third moving module 32 is connected to the third base 31; the moving end of the third moving module 32 is connected to the second support base 33 to adjust the position of the second support base 33 relative to the third base 31. The first lifting base 34 is vertically connected to the second support base 33 to adjust its height relative to the second support base 33, thereby facilitating the movement and lifting of the first lifting base 34 relative to the third base 31 for multi-directional adjustment. Optionally, the third moving module 32 is a synchronous belt moving module.

[0040] The connecting end of the pneumatic gripper 35 is connected to the first lifting seat 34, and the clamping end of the pneumatic gripper 35 is connected to the corresponding clamping support arm 36 respectively, and drives the two clamping support arms 36 to clamp or release the nose bridge strip. When the two clamping support arms 36 move toward the nose bridge strip conveying assembly 20, the two clamping support arms 36 clamp the nose bridge strip and rotate toward the nose bridge strip positioning assembly 40. When the two clamping support arms 36 move toward the nose bridge strip positioning assembly 40, the two clamping support arms 36 release the nose bridge strip so that the two ends of the nose bridge strip can be engaged with the positioning fixture 10.

[0041] Please refer to the attached document. Figure 1 In this embodiment, the nose bridge strip conveying assembly 20 includes a fourth base 21 and a plurality of rollers 22; the fourth base 21 extends toward the nose bridge strip transfer assembly 30, and the plurality of rollers 22 are rotatably connected to the fourth base 21 and are arranged alternately in sequence to convey the nose bridge strip in a rotating manner, so as to facilitate the conveying of the nose bridge strip toward the nose bridge strip transfer assembly 30 and ensure the conveying effect of the nose bridge strip.

[0042] Please refer to the attached document. Figure 1 In this embodiment, the nose strip conveying assembly 20 further includes multiple calibration roller sets 23; the multiple calibration roller sets 23 are arranged along the conveying direction of the nose strip and calibrate the nose strip conveyed by the multiple rollers 22 to achieve the calibration effect of the nose strip and ensure that the nose strip is conveyed toward the nose strip transfer assembly 30.

[0043] Compared with the prior art, the beneficial effects of the present invention are: This invention provides a nose bridge strip welding device 100, in which a nose bridge strip positioning component 40 and a nose bridge strip welding component 50 are both disposed on the same side of a positioning fixture 10; a nose bridge strip transfer component 30 is located between a nose bridge strip conveying component 20 and a nose bridge strip positioning component 40; the nose bridge strip conveying component 20 is used to output nose bridge strips; the nose bridge strip transfer component 30 is used to transfer the nose bridge strips output by the nose bridge strip conveying component 20 to the nose bridge strip positioning component 40; the positioning fixture 10 is used to position the mask body; the nose bridge strip positioning component 40 includes a first base 41, a first support base 42, a first positioning base 43, and a first pressing base 44; the first base 41 is disposed on the outside of the positioning fixture 10; the first support base 42 is movably connected to the first base 41, and the first positioning base 43 is connected to the first support base 42. The positioning seat 43 is provided with a positioning groove 43a and a clearance groove 43b. The positioning groove 43a is used to position the two ends of the nose bridge strip. The first pressing seat 44 is movably connected to the first support seat 42 and is elastically movable relative to the first support seat 42. The first pressing seat 44 is used to press the middle position of the nose bridge strip. The nose bridge strip welding assembly 50 is provided with a second base 51 and a welding head 52. The welding head 52 is movably connected to the second base 51 and is arranged in an inclined direction. During the movement, the welding head 52 passes through the corresponding clearance groove 43b and welds the mask body and the nose bridge strip. This ensures that the mask body and the nose bridge strip are positioned before welding, thus guaranteeing the positional accuracy between the mask body and the nose bridge strip, avoiding deviation of the nose bridge strip relative to the mask body, and improving the welding effect of the nose bridge strip welding device 100.

[0044] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0045] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more features.

[0046] This document uses specific examples to illustrate the principles and implementation methods of this application. The descriptions of the above embodiments are only for the purpose of helping to understand the methods and core ideas of this application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this application. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. A nose bridge strip welding device, characterized in that, The device includes a positioning fixture, a nose bridge strip conveying assembly, a nose bridge strip transfer assembly, a nose bridge strip positioning assembly, and a nose bridge strip welding assembly. The nose bridge strip positioning assembly and the nose bridge strip welding assembly are both located on the same side of the positioning fixture. The nose bridge strip transfer assembly is positioned between the nose bridge strip conveying assembly and the nose bridge strip positioning assembly. The nose bridge strip conveying assembly is used to output the nose bridge strip. The nose bridge strip transfer assembly is used to transfer the nose bridge strip output by the nose bridge strip conveying assembly to the nose bridge strip positioning assembly. The positioning fixture is used to position the mask body; The nose bridge strip positioning assembly includes a first base, a first support, a first positioning seat, and a first pressing seat. The first base is disposed on the outside of the positioning clamp. The first support is movably connected to the first base, and the first positioning seat is connected to the first support. The first positioning seat has a positioning groove and a clearance groove, the positioning groove being used to position both ends of the nose bridge strip. The first pressing seat is movably connected to the first support and elastically movable relative to the first support. The first pressing seat is used to press against the middle position of the nose bridge strip. The nose bridge strip welding assembly is provided with a second base and a welding head; the welding head is movably connected to the second base and arranged in an inclined direction; the welding head passes through the corresponding avoidance groove during movement and welds the mask body and the nose bridge strip.

2. The nose bridge strip welding device according to claim 1, characterized in that, The nose bridge strip positioning assembly also includes a movable module, which is located between the first base and the first support. The active module includes a first movable seat and a first swing seat; the first movable seat is movably connected to the first base, and the first swing seat is swingably connected to the first movable seat and supports the first support seat; the first support seat is adjusted to an inclined state as the first swing seat swings. The first support seat is movably connected to the first swing seat and can move along the tilt direction, so that the first positioning seat and the first pressing seat move toward the positioning clamp.

3. The nose bridge strip welding device according to claim 2, characterized in that, The first movable seat is connected to the first base via a first movable module; the mounting end of the first movable module is mounted on the first base; the movable end of the first movable module supports the first movable seat.

4. The nose bridge strip welding device according to claim 2, characterized in that, The first movable seat is provided with a support arm; The first swing seat is hinged to the support arm. A first cylinder is provided between the first swing seat and the first movable seat. The first cylinder is arranged along the inclined direction. The connecting end of the first cylinder is hinged to the first movable seat, and the output end of the first cylinder is hinged to the first swing seat. The first swing seat is adjusted in angle under the drive of the first cylinder.

5. The nose bridge strip welding device according to claim 4, characterized in that, The first support base is connected to the first swing base via a second movable module; the mounting end of the second movable module is mounted on the first swing base. The mobile end of the second mobile module supports the first support base.

6. The nose bridge strip welding device according to claim 5, characterized in that, Both the first positioning seat and the first pressing seat are connected to the same first support seat; The first positioning seat includes a first body and a first positioning part; the first positioning part is connected to the first body, and the first body is connected to the first support seat; the first positioning part is arranged in a V-shape, and positioning grooves are respectively provided at both ends of the first positioning part, and the two positioning grooves respectively position the two ends of the nose bridge strip. The first pressing seat includes a second body and a first pressing part. The first pressing part is connected to the second body, and the second body is movably connected to the first support seat and elastically movable relative to the first support seat. The first pressing part is located in the inner space of the first positioning part and is at the same horizontal range as the two positioning grooves. The outer surface of the first pressing part serves as a pressing surface and presses against the middle position of the nose bridge strip.

7. The nose bridge strip welding device according to claim 6, characterized in that, The first support is connected to a linear bearing; there are multiple linear bearings, which are arranged side by side along the length of the first support. The second main body is connected to a plurality of cylindrical shafts; the plurality of cylindrical shafts are movably threaded through corresponding linear bearings; the cylindrical shafts are sleeved on an elastic member, the two ends of which elastically contact the second main body and the first support seat respectively; The first pressing part has a gap with the inner wall of the first positioning part; When the nose bridge strip is clamped between the mask body and the first pressing part at the middle position, the first support seat moves further toward the positioning fixture under the drive of the second moving module. The two ends of the nose bridge strip bend relative to the middle position as the first positioning part moves and gradually fit into the mask body.

8. The nose bridge strip welding device according to claim 1, characterized in that, The nose bridge strip transfer assembly includes a third base, a third moving module, a second support base, a first lifting base, a pneumatic gripper, and two clamping arms. The connecting end of the third mobile module is connected to the third base; the moving end of the third mobile module is connected to the second support base, and the first lifting base is vertically connected to the second support base; The connecting end of the pneumatic gripper is connected to the first lifting seat, and the clamping end of the pneumatic gripper is connected to the corresponding clamping support arm, thereby driving the two clamping support arms to clamp or release the nose bridge strip.

9. The nose bridge strip welding device according to claim 1, characterized in that, The nose bridge strip delivery assembly includes a fourth base and multiple rollers; Multiple rollers are rotatably connected to the fourth base and are arranged alternately in sequence to rotatably transport the nose bridge strip.

10. The nose bridge strip welding device according to claim 9, characterized in that, The nose strip conveying assembly also includes multiple calibration roller sets; the multiple calibration roller sets are arranged along the conveying direction of the nose strip and calibrate the nose strip conveyed by the multiple roller conveying lines.

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