A sensor laser welding device

Abstract

The present invention relates to the field of sensor welding technology, and specifically to a laser welding device for sensors, which aims to solve the problems of incomplete automation and inconvenient welding in the prior art. The technical key points are: it includes a frame, a feeding component, a pre-clamping component, a moving component, a positioning component, a welding component and a receiving component. The frame is used to support the laser welding device for the sensor. There are two moving components, one of which is located between the feeding component and the pre-clamping component, and the other is located on one side of the pre-clamping component, the positioning component, the welding component and the receiving component. Through the setting of the two moving components, each station is closely combined to effectively realize automated production; and through the setting of the pre-clamping component, the capillary and the blind cover are pre-clamped at three points before welding to prevent the blind cover from moving in the capillary during welding.

Description

Technical Field

[0001] The invention relates to the technical field of sensor welding, and in particular to a sensor laser welding device. Background Art

[0002] Laser welding technology is a high-tech technology. Due to its unique characteristics, it is particularly suitable for use in sensor sealing welding. At present, many foreign sensor manufacturers use laser welding technology to produce sensors, while there are not many domestic manufacturers using this technology. Mainly some manufacturers of military sensor products and some scientific research institutions use this technology, and most of them use foreign laser welding machines.

[0003] Laser welding in the prior art usually has a low degree of automation and low production efficiency. Summary of the invention

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the defect of incomplete automation in the prior art, thereby providing a sensor laser welding device.

[0005] The above technical objectives of the present invention are achieved through the following technical solutions:

[0006] A laser welding device for a sensor comprises a frame, a feeding assembly, a pre-clamping assembly, a moving assembly, a positioning assembly, a welding assembly and a receiving assembly. The frame is used to support the laser welding device for the sensor. Two moving assemblies are provided, one of which is located between the feeding assembly and the pre-clamping assembly, and the other moving assembly is located on one side of the pre-clamping assembly, the positioning assembly, the welding assembly and the receiving assembly.

[0007] Preferably, the feeding assembly is fixed at one end of the frame in the length direction, and the feeding assembly includes two vibrating feeders and a logistics track located on one side of the vibrating feeders.

[0008] Preferably, the moving assembly includes a first moving part, which is arranged between the loading assembly and the pre-clamping assembly. The first moving part includes a transverse plate and a driving structure. The driving structure is used to drive the transverse plate to slide in the vertical and horizontal directions. Two first clamping devices are arranged on the side of the transverse plate pointing to the loading assembly.

[0009] Preferably, the movable component includes a second movable part, the second movable part includes a horizontally arranged abutment plate, a horizontal slider is protrudingly arranged on the abutment plate, the second movable part also includes a sliding plate slidably arranged along the horizontal slider, a plurality of fixing devices are arranged on the sliding plate, each of the fixing devices corresponds to a second clamping component, the second clamping component is horizontally arranged and points away from the sliding plate, and the second clamping component is slidably arranged along the vertical direction of the fixing device.

[0010] Preferably, the pre-clamping device comprises a riveting station and a riveting die, the riveting die and the riveting station are arranged in a colinear manner, and the riveting station and the riveting die are arranged to slide relative to each other, and a fixing hole is arranged on the side of the riveting die pointing to the riveting station.

[0011] Preferably, the positioning assembly includes a positioning bracket and a positioning station and a pressure plate located on the positioning bracket, the positioning station is located below the pressure plate, the positioning station is provided with a positioning groove that matches the capillary, and the positioning bracket is provided with a second cylinder that drives the positioning station to be positioned in the vertical direction.

[0012] Preferably, the welding assembly includes a clamping part and a welding part, the clamping part is used to clamp and fix the capillary, the welding part includes a vertically arranged limiting track, a turntable and a welding head, the turntable is slidably arranged along the vertical direction of the limiting track, the welding head is rotatably arranged on the turntable and rotatably arranged along the axial direction of the turntable.

[0013] Preferably, the material receiving device is arranged at one end of the frame in the length direction, and the material receiving device comprises a material receiving box, and the material receiving box is fixedly arranged on the frame.

[0014] The above-mentioned laser welding device for sensors, through the setting of two moving components, closely combines the various workstations, effectively realizes automated production, and thus effectively improves production efficiency; and through the setting of the pre-clamping component, the capillary and the blind cover are pre-clamped at three points before welding, so as to prevent the blind cover from moving in the capillary during welding and affecting the welding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1A schematic diagram of the structure of a laser welding device for a sensor in one embodiment of the present invention;

[0017] Figure 2 A schematic diagram of the structure of a laser welding device for a sensor from another angle in one embodiment of the present invention;

[0018] Figure 3 This is a schematic structural diagram of a feeding assembly in one embodiment of the present invention;

[0019] Figure 4 It is a structural schematic diagram of a pre-clamping assembly in one embodiment of the present invention;

[0020] Figure 5 This is a schematic structural diagram of a first moving part in one embodiment of the present invention;

[0021] Figure 6 This is a schematic structural diagram of a second moving part in one embodiment of the present invention;

[0022] Figure 7 This is a schematic diagram of the structure of a positioning component in one embodiment of the present invention;

[0023] Figure 8 It is a schematic structural diagram of a welding portion on a welding assembly in one embodiment of the present invention.

[0024] Description of reference numerals:

[0025] 1. Frame; 11. Universal wheel; 12. Fan cooling hole; 121. Fan cover; 2. Feeding assembly; 21. Receiver plate; 22. Vibrating feeder; 221. Fixing plate; 222. Limiting groove; 2221. Connecting rod; 2222. Fixing nut; 23. Logistics track; 231. First side arm; 2311. Support frame; 232. Second side arm; 2321. Limiting plate; 3. Pre-clamping assembly; 31. Fixing frame; 311. Motor; 32. Riveting station; 321. Riveting clamping hole; 33. Riveting mold; 331. Fixing hole; 34. Driving cylinder; 4. Moving assembly; 41. First moving part; 411. Horizontal plate; 4111. First clamping device; 412. Driving structure Structure; 4121, horizontal track; 4122, vertical track; 413, positioning plate; 42, second moving part; 421, abutment plate; 4211, extension block; 4212, groove; 422, horizontal slider; 423, sliding plate; 424, second clamping assembly; 425, sliding assembly; 4251, protrusion; 5, positioning assembly; 51, positioning bracket; 511, second cylinder; 52, positioning station; 521, positioning groove; 53, positioning pressure plate; 6, welding assembly; 61, clamping part; 62, welding part; 621, limiting track; 6211, limiting device; 622, turntable; 623, welding head; 624, horizontal track; 7, material receiving assembly; 71, material receiving box. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0027] See also Figure 1 and Figure 2 A laser welding device for a sensor comprises a frame 1, a feeding component 2, a pre-clamping component 3, a moving component 4, a positioning component 5, a welding component 6, a receiving component 7 and a control component. The frame 1 is used to support the laser welding device for the sensor. The feeding component 2, the pre-clamping component 3, the moving component 4, the positioning component 5, the welding component 6, the receiving component 7 and the control component are respectively fixed on the frame 1. The feeding component 2 is used for transmitting the capillary and the blind cover. The pre-clamping component 3 is used for preliminarily pre-clamping the capillary and the blind cover. In one embodiment, the pre-clamping component 3 is a three-point pre-clamping. The positioning component 5 is used for detecting the capillary after fixed pre-clamping by the machine. The welding component 6 is used for welding the capillary and the blind cover. The receiving component 7 is used for receiving the capillary after welding. The moving component 4 is used to control the movement of the capillary between various workstations. In one embodiment, the distances between the pre-clamping assembly 3 , the positioning assembly 5 , the welding assembly 6 and the material receiving assembly 7 are equal.

[0028] In one embodiment, see Figure 1 and Figure 2 The frame 1 is arranged in a rectangular parallelepiped, and a plurality of universal wheels 11 are arranged at the bottom of the frame 1. A fan heat dissipation hole 12 is arranged on one side wall of the frame 1. A fan is arranged inside the fan heat dissipation hole 12. A fan cover 121 covering the fan heat dissipation hole 12 is arranged on the fan heat dissipation hole 12.

[0029] See also Figure 3 The loading assembly 2 is fixed at one end of the frame 1 in the length direction, and the loading assembly 2 includes a receiving plate 21, two vibrating loaders 22, and a logistics track 23 corresponding to the vibrating loaders 22. The receiving plate 21 is fixedly arranged on the frame 1. In one embodiment, the receiving plate 21 is a horizontally arranged rectangular plate, the two vibrating loaders 22 are fixedly arranged on the receiving plate 21, and two logistics tracks 23 are provided, and are respectively arranged on the vibrating loaders 22 corresponding to each other.

[0030] See also Figure 3In one embodiment, a fixing plate 221 is provided at the bottom of one of the vibrating loaders 22, and the vibrating loaders 22 are fixedly provided on the fixing plate 221. Connecting rods 2221 are extended downwardly at the four corners of the fixing plate 221. The connecting rod 2221 is fixedly provided on the receiving plate 21. A limiting groove 222 is provided on the fixing plate 221, and the connecting rod 2221 penetrates the limiting groove 222. In one embodiment, the length direction dimension of the limiting groove 222 is greater than the outer diameter of the connecting rod 2221, and the connecting rod 2221 is slidably provided along the length direction of the limiting groove 222. In one embodiment, the connecting rod 2221 is respectively provided with fixing nuts 2222 on the upper and lower sides of the fixing plate 221, and the connecting rod 2221 is fixedly provided on the fixing plate 221 through the fixing nuts 2222.

[0031] See also Figure 3 The logistics track 23 includes a first side arm 231 and a second side arm 232 that are perpendicular to each other. The first side arm 231 points to the corresponding vibrating feeder 22, and the second side arm 232 is located on the side of the first side arm away from the vibrating feeder 22. In one embodiment, the second side arms 232 of the two logistics tracks 23 are arranged opposite to each other. The cross-sections of the first logistics track 23 and the second logistics track 23 in the vertical direction are U-shaped, and the U-shaped openings point upward. In one embodiment, please refer to Figure 2 A limiting plate 2321 is also provided on the top of the second side arm 232 , and the limiting plate 2321 is used to limit the blind cover and the capillary located in the second side arm 232 .

[0032] In one embodiment, see Figure 3 A support frame 2311 is provided at the bottom of the first side arm 231, and the support frame 2311 is used to support the first side arm 231 of the logistics track 23 so as to keep it in a horizontal position.

[0033] See also Figure 4 The pre-clamping assembly 3 includes a fixed frame 31, a riveting station 32 and a riveting die 33. The riveting die 33 and the riveting station 32 are arranged in a colinear manner. The riveting die 33 and the riveting station 32 are respectively located on the fixed frame 31. The riveting die 33 and the riveting station 32 are relatively slidably arranged. In one embodiment, the riveting station 32 is fixedly arranged on the top of the fixed frame 31, the riveting die 33 is located below the riveting station 32, and the riveting die 33 is slidably arranged on the fixed frame 31 in a vertical direction. A driving cylinder 34 for driving the riveting die 33 to slide is arranged on the fixed frame 31.

[0034] In one embodiment, a fixing hole 331 is provided on the top of the riveting die 33 , and the fixing hole 331 is used to fix the capillary. In one embodiment, the cross-sectional area of ​​the fixing hole 331 gradually decreases downward along the vertical direction.

[0035] In one embodiment, the fixing frame 31 is further provided with a motor 311, and the motor 311 is used to drive the riveting station 32 to rotate and is provided on the fixing frame 31. The riveting station 32 includes a riveting clamping hole 321, and the top of the riveting clamping hole 321 is provided in a truncated cone shape.

[0036] See also Figure 5 and Figure 6 There are two moving components 4, which are a first moving part 41 and a second moving part 42, respectively. The first moving part 41 is arranged between the loading component 2 and the pre-clamping component 3, and the second moving part 42 is arranged on one side of the pre-clamping component 3 and the positioning component 5, the welding component 6, and the receiving component 7, so as to shift the capillary to be welded between various workstations.

[0037] See also Figure 5 In one embodiment, the first moving part 41 includes a horizontal plate 411 and a driving structure 412, and the driving structure 412 is used to drive the horizontal plate 411 to slide along the vertical direction and the horizontal direction. Figure 1 In one embodiment, the horizontal plate 411 is arranged horizontally, and two first clamping devices 4111 are arranged on the side of the horizontal plate 411 pointing to the loading component 2. The first clamping devices 4111 include finger cylinders for clamping the capillary and blind cover on the loading component 2.

[0038] The driving structure 412 includes a horizontal track 4121 and a vertical track 4122, wherein the vertical track 4122 is slidably arranged along the length direction of the horizontal track 4121, and the transverse plate 411 is slidably arranged along the height direction of the vertical track 4122. The first moving part 41 is used to drive the transverse plate 411 to slide in the vertical and horizontal directions. In one embodiment, a positioning plate 413 is arranged on the vertical track 4122, and the positioning plate 413 and the transverse plate 411 are arranged perpendicular to each other, and a reinforcing rib is further arranged between the positioning plate 413 and the transverse plate 411.

[0039] See also Figure 6The second movable part 42 includes a horizontally arranged abutment plate 421, on which a horizontal slider 422 is protruding, and the second movable part 42 also includes a sliding plate 423 that is slidably arranged along the horizontal slider 422, and a plurality of fixing devices are arranged on the sliding plate 423, each of which corresponds to a second clamping assembly 424, and the second clamping assembly 424 is arranged horizontally and points away from the sliding plate 423, and the second clamping assembly 424 is slidably arranged along the vertical direction of the fixing device. In one embodiment, the distance between adjacent fixing devices is equal to the distance between the pre-clamping assembly 3 and the positioning assembly 5, and the displacement distance of the abutment plate 421. The abutment plate 421 reciprocates.

[0040] In one embodiment, a sliding component 425 is provided under the supporting plate 421 to drive the supporting plate 421 to slide in a direction perpendicular to its own length. Bumps 4251 are respectively provided at both ends of the length direction of the supporting plate 421. The bumps 4251 are arranged in a direction perpendicular to the length direction of the supporting plate 421. An extension block 4211 is extended downwardly from the supporting plate 421. The extension block 4211 is provided with a groove 4212 that matches the bump 4251.

[0041] See also Figure 7 The positioning assembly 5 is vertically arranged, and the positioning assembly 5 includes a positioning bracket 51, a positioning station 52 and a pressure plate located on the positioning bracket 51, the positioning station 52 is located below the pressure plate, and a positioning groove 521 matching the capillary is provided on the positioning station 52, and a second cylinder 511 for driving the positioning station 52 to be located along the vertical direction is provided on the positioning bracket 51.

[0042] See also Figure 1 and Figure 8 The welding assembly 6 is disposed on the side of the positioning assembly 5 away from the pre-clamping assembly 3. In one embodiment, see Figure 1 The welding assembly 6 includes a clamping portion 61 and a welding portion 62, the clamping portion 61 is used to clamp and fix the capillary, the welding portion 62 includes a vertically arranged limiting track 621, a turntable 622 and a welding head 623, the turntable 622 is slidably arranged along the vertical direction of the limiting track 621, the welding head 623 is rotatably arranged on the turntable 622, and is rotatably arranged along the axial direction of the turntable 622. In one embodiment, the axial direction of the turntable 622 is perpendicular to the length direction of the welding head 623.

[0043] In one embodiment, a limiting device 6211 is provided at the bottom of the limiting rail 621, the limiting device 6211 is U-shaped, and the U-shaped opening points downward, and a transverse rail 624 embedded in the U-shaped opening is provided on the frame 1, and the limiting rail 621 is slidably provided along the length direction of the transverse rail 624. In one embodiment, the transverse rail 624 is provided perpendicular to the length direction of the supporting plate 421.

[0044] The material receiving device is disposed at one end of the frame 1 in the length direction. In one embodiment, the material receiving device includes a material receiving box 71 , and the material receiving box 71 is fixedly disposed on the frame 1 .

[0045] The present application provides a laser welding device for a sensor, which, through the provision of two movable components 4, closely combines the various workstations, effectively realizes automated production, and thus effectively improves production efficiency; and through the provision of a pre-clamping component 3, performs three-point pre-clamping on the capillary and the blind cover before welding, thereby preventing the blind cover from moving in the capillary during welding and affecting the welding effect.

[0046] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.

Claims

1. A laser welding device for a sensor, characterized in that: The laser welding device comprises a frame (1), a feeding assembly (2), a pre-clamping assembly (3), a moving assembly (4), a positioning assembly (5), a welding assembly (6) and a receiving assembly (7), wherein the frame (1) is used to support the laser welding device for the sensor, and two moving assemblies (4) are provided, wherein one of the moving assemblies (4) is located between the feeding assembly (2) and the pre-clamping assembly (3), and the other moving assembly (4) is located on one side of the pre-clamping assembly (3), the positioning assembly (5), the welding assembly (6) and the receiving assembly (7); The feeding assembly (2) is fixed to one end of the frame (1) in the length direction, and the feeding assembly (2) comprises two vibrating feeders (22) and a logistics track (23) located on one side of the vibrating feeders (22); The moving assembly (4) comprises a first moving part (41), the first moving part (41) is arranged between the loading assembly (2) and the pre-clamping assembly (3), the first moving part (41) comprises a transverse plate (411) and a driving structure (412), the driving structure (412) is used to drive the transverse plate (411) to slide along the vertical direction and the horizontal direction, two first clamping devices (4111) are arranged on the side of the transverse plate (411) pointing to the loading assembly (2), the driving structure (412) comprises a horizontal track (4121) and a vertical track (4122), wherein the vertical track (4122) is slidably arranged along the length direction of the horizontal track (4121), and the transverse plate (411) is slidably arranged along the height direction of the vertical track (4122); The moving assembly (4) comprises a second moving part (42), which is arranged on one side of the pre-clamping assembly (3) and the positioning assembly (5), the welding assembly (6) and the material receiving assembly (7) and is used to move the capillary to be welded between various workstations. The second moving part (42) comprises a horizontally arranged abutment plate (421), a sliding assembly (425) is arranged below the abutment plate (421) for driving the abutment plate (421) to slide along a direction perpendicular to its own length, a horizontal sliding block (422) is protruding from the abutment plate (421), and the second moving part (42) also comprises a plurality of movable parts (425) arranged on the support plate (421) and ... It comprises a sliding plate (423) slidingly arranged along the horizontal slider (422), the sliding plate (423) being provided with a plurality of fixing devices, each of the fixing devices corresponding to a second clamping assembly (424), the second clamping assembly (424) being arranged horizontally and pointing away from the sliding plate (423), the second clamping assembly (424) being slidingly arranged along the vertical direction of the fixing device, the distance between adjacent fixing devices being equal to the distance between the pre-clamping assembly (3) and the positioning assembly (5), and the displacement distance of the abutting plate (421), and the abutting plate (421) being reciprocatingly movable; The pre-clamping assembly (3) comprises a riveting station (32) and a riveting die (33); the riveting die (33) and the riveting station (32) are arranged in a colinear manner, and the riveting station (32) and the riveting die (33) are arranged to slide relative to each other; and a fixing hole (331) is arranged on a side of the riveting die (33) pointing toward the riveting station (32).

2. The laser welding device for a sensor according to claim 1, characterized in that: The positioning assembly (5) comprises a positioning bracket (51), a positioning station (52) and a pressing plate located on the positioning bracket (51); the positioning station (52) is located below the pressing plate; a positioning groove (521) matching the capillary is provided on the positioning station (52); and a second cylinder (511) for driving the positioning station (52) to be located in a vertical direction is provided on the positioning bracket (51).

3. The laser welding device for a sensor according to claim 2, characterized in that: The welding assembly (6) comprises a clamping portion (61) and a welding portion (62); the clamping portion (61) is used to clamp and fix the capillary; the welding portion (62) comprises a vertically arranged limiting track (621), a rotating disk (622) and a welding head (623); the rotating disk (622) is slidably arranged along the vertical direction of the limiting track (621); the welding head (623) is rotatably arranged on the rotating disk (622) and is rotatably arranged along the axial direction of the rotating disk (622).

4. The sensor laser welding device according to claim 3, characterized in that: The material receiving assembly (7) is arranged at one end of the frame (1) in the length direction, and the material receiving assembly (7) comprises a material receiving box (71), and the material receiving box (71) is fixedly arranged on the frame (1).

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