CN116967673B - Packaging equipment of infrared sensor shell - Google Patents
Packaging equipment of infrared sensor shell Download PDFInfo
- Publication number
- CN116967673B CN116967673B CN202311211589.5A CN202311211589A CN116967673B CN 116967673 B CN116967673 B CN 116967673B CN 202311211589 A CN202311211589 A CN 202311211589A CN 116967673 B CN116967673 B CN 116967673B
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- Prior art keywords
- welding
- ring frame
- plate
- metal ring
- cover plate
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 30
- 239000002184 metal Substances 0.000 claims abstract description 80
- 238000003466 welding Methods 0.000 claims abstract description 61
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000012858 packaging process Methods 0.000 claims abstract description 6
- 230000003287 optical effect Effects 0.000 claims description 28
- 238000005086 pumping Methods 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000003028 elevating effect Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Vacuum Packaging (AREA)
Abstract
The invention relates to the technical field of metal packaging and discloses packaging equipment of an infrared sensor shell, which comprises a base, wherein a placing table and a lifting table are arranged on the base, the placing table is positioned under the lifting table, a cover body assembly is arranged on the lifting table, a lower sealing ring is arranged on the placing table, the cover body assembly and the lower sealing ring are matched to form a sealed welding area, a vacuumizing device is also arranged on the base and is used for vacuumizing the welding area, a first electrode is arranged on the placing table, a second electrode is arranged on the lifting table, the upper end surface of the first electrode forms a first welding working surface, and the lower end surface of the second electrode forms a second welding working surface; the invention provides two workpiece calibration schemes, optimizes the packaging process, and solves the technical problem that the final packaging product is affected due to workpiece deflection caused by pressure difference in the vacuumizing process.
Description
Technical Field
The present invention relates to the field of metal packaging, and more particularly, to a packaging apparatus for an infrared sensor housing.
Background
The infrared sensor shell comprises a base of a metal ring frame and a light window cover plate packaged at the top of the ring frame, and is high in flatness, free of welding slag and air holes and packaged by adopting vacuum energy storage welding packaging equipment in the prior art in order to ensure absolute cleanliness in a welding process.
When the infrared sensor shell is packaged by the equipment, the positions of components are generally calibrated and placed in a processing groove to be positioned, the metal ring frame is aligned with the optical window cover plate at the top, after the calibrated top optical window is placed on the bottom shell, a welding area is required to be vacuumized, and because the vacuum welding is in a pure vacuum sealing environment, the inside of the infrared sensor shell is vacuumized, but the optical window cover plate is placed on the metal ring frame, which is equivalent to sealing the space inside the metal ring frame, along with the work of the vacuuming equipment, the vacuum degree in the welding area is improved, and the air existing in the space inside the metal ring frame causes pressure difference between the inside and the outside of the metal ring frame, the lower side of the optical window cover plate generates outward thrust under the action of the pressure difference, so that the optical window cover plate and the side aligned with the bottom shell are offset, the subsequent optical window packaging position is wrong, and the packaging defective rate is improved.
Disclosure of Invention
The invention provides packaging equipment for an infrared sensor shell, which solves the technical problems that in the related art, an optical window cover plate is offset with the side of a bottom shell which is originally aligned under the action of pressure difference in the packaging process of the infrared sensor shell, so that the packaging position of a subsequent optical window is wrong, and the packaging defective rate is high.
The invention provides packaging equipment of an infrared sensor shell, which comprises a base, wherein a placing table and a lifting table are arranged on the base, the placing table is positioned right below the lifting table, a cover body assembly is arranged on the lifting table, a lower sealing ring is arranged on the placing table, the cover body assembly is matched with the lower sealing ring to form a sealed welding area, a vacuumizing device is also arranged on the base and is used for vacuumizing the welding area, a first electrode is arranged on the placing table, a second electrode is arranged on the lifting table, the upper end surface of the first electrode forms a welding working surface I, the lower end surface of the second electrode forms a welding working surface II, when a metal ring frame and a light window cover plate are packaged, a welding position of the metal ring frame and the light window cover plate is positioned between the welding working surface I and the welding working surface II, a workpiece groove is arranged on the placing table and is used for accommodating the metal ring frame, and the depth of the workpiece groove is the same as the height of the metal ring frame;
the correcting unit used for correcting the position of the light window cover plate at the top of the metal ring frame is arranged on the placing table, the correcting unit is a correcting mechanism I, the correcting mechanism I is located in the lower sealing ring and comprises a guide rail, two ends of the guide rail are provided with sliding tables which synchronously and reversely move in a sliding mode, a push plate is arranged at the top of each sliding table, the bottom surface of each push plate is located on the top surface level of a workpiece groove, and the light window cover plate is pushed when the two push plates are mutually close to each other, so that the light window cover plate is aligned with the metal ring frame.
In a preferred embodiment, a second cylinder is fixedly arranged on the placing table, a connecting block is arranged at the driving end of the second cylinder, two connecting rods are hinged to the connecting block, and the ends, away from the connecting block, of the two connecting rods are respectively hinged to the two sliding tables.
In a preferred embodiment, the workpiece groove is fixedly arranged on the guide rail, the top of the sliding table is provided with an arc-shaped rod, and one end of the arc-shaped rod, which is far away from the sliding table, is connected with the push plate.
In a preferred embodiment, the correction unit is correction mechanism two, correction mechanism two is located the cover body subassembly, correction mechanism two includes the roof, elevating system is installed at the top of roof, elevating system keeps away from the tip and elevating platform fixed connection of roof, the baffle is all installed to the bottom four sides of roof, the inboard of baffle is all installed the guide post perpendicularly to the level, the cover is equipped with the sliding sleeve on the guide post, be connected with the spring between sliding sleeve and the baffle, the length direction symmetrical arrangement of roof has two first clamping jaws, the width direction symmetrical arrangement of roof has two second clamping jaws, and first clamping jaw and second clamping jaw all with sliding sleeve fixed connection, but install the voussoir of up-and-down motion on the roof, the inboard of first clamping jaw and second clamping jaw all movable mounting has the gyro wheel, four gyro wheels all with the outer peripheral face extrusion contact of voussoir.
In a preferred embodiment, a third cylinder is fixedly arranged on the top plate, and the driving end of the third cylinder is fixedly connected with the wedge block.
In a preferred embodiment, a stop rod which is horizontally arranged is fixedly arranged on the sliding sleeve, a stop plate is also arranged at the bottom of the top plate, and the stop plate is correspondingly arranged with the stop rod.
In a preferred embodiment, the cover assembly comprises a metal bellows fixedly mounted on the lifting table, and an upper sealing ring adapted to the lower sealing ring is mounted at the bottom of the metal bellows.
In a preferred embodiment, the bottom of the upper sealing ring is fixedly provided with a bulge, the top of the lower sealing ring is provided with an annular groove, and the bulge is matched with the annular groove.
In a preferred embodiment, the lifting platform is provided with two air holes, one of the air holes is an air vent, the air vent is communicated with the vacuumizing device, the other air hole is an air adding hole, and the air adding hole is communicated with an external air adding source and is used for filling inert gas into the welding area.
In a preferred embodiment, a first cylinder is mounted on the base, and the driving end of the first cylinder is fixedly connected with the lifting platform.
The invention has the beneficial effects that:
according to the invention, the workpiece calibration procedure is added before welding after vacuumizing, so that the positioning calibration procedure of the optical window cover plate before vacuumizing can be removed, the packaging process is optimized, and the technical problem that the final packaging is affected due to workpiece deflection caused by pressure difference in the vacuumizing process is solved.
According to the invention, the metal ring frame is separated from the light window cover plate, so that the inner part of the metal ring frame is exposed in the welding area, the light window cover plate can not block the air in the metal ring frame from being extracted during vacuumizing, and the technical problem that the light window cover plate is deviated at the top of the metal ring frame is solved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic side view of the present invention.
Fig. 3 is a schematic view of the structure of the present invention from the A-A perspective in fig. 2.
Fig. 4 is an enlarged schematic view of the structure of fig. 3 a in accordance with the present invention.
Fig. 5 is a schematic structural view of a second correcting mechanism of the present invention.
Fig. 6 is a schematic view of a bottom view structure of a second correcting mechanism of the present invention.
Fig. 7 is a schematic front view of the correcting mechanism of the present invention.
Fig. 8 is a schematic view of the structure of the present invention at the view B-B of fig. 7.
Fig. 9 is a schematic view of a bottom view structure of a first correcting mechanism of the present invention.
Fig. 10 is a schematic top view of the second correction mechanism of the present invention.
Fig. 11 is a schematic structural view of the package housing of the present invention.
In the figure: 1. a base; 11. a placement table; 12. a lifting table; 121. a first cylinder; 13. a vacuum pumping device; 131. an exhaust hole; 14. a first electrode; 15. a second electrode; 16. a workpiece groove; 17. a lifting mechanism; 2. a cover assembly; 21. a metal bellows; 22. an upper seal ring; 23. a protrusion; 3. a lower seal ring; 31. an annular groove; 4. a first correcting mechanism; 41. a guide rail; 42. a sliding table; 43. a push plate; 44. a connecting block; 441. a connecting rod; 45. a second cylinder; 46. an arcuate lever; 5. a second correcting mechanism; 51. a top plate; 511. a stop plate; 52. a baffle; 521. a guide post; 522. a sliding sleeve; 523. a spring; 524. a stop lever; 53. a first jaw; 54. a second jaw; 55. a roller; 56. wedge blocks; 57. a third cylinder; 10. packaging the shell; 101. a metal ring frame; 102. a light window cover plate.
Detailed Description
The subject matter described herein will now be discussed with reference to example embodiments. It is to be understood that these embodiments are merely discussed so that those skilled in the art may better understand and implement the subject matter described herein and that changes may be made in the function and arrangement of the elements discussed without departing from the scope of the disclosure herein. Various examples may omit, replace, or add various procedures or components as desired. In addition, features described with respect to some examples may be combined in other examples as well.
As shown in fig. 1-11, a packaging device for an infrared sensor housing includes a base 1, a placing table 11 and a lifting table 12 which are vertically distributed on the base 1, the placing table 11 is located under the lifting table 12, a cover body assembly 2 is installed on the lifting table 12, a lower sealing ring 3 is installed on the placing table 11, the cover body assembly 2 and the lower sealing ring 3 are matched to form a sealed welding area, a vacuumizing device 13 is also installed on the base 1, the vacuumizing device 13 is used for vacuumizing the welding area, a first electrode 14 is installed on the placing table 11, a second electrode 15 is installed on the lifting table 12, the upper end face of the first electrode 14 forms a welding working face I, the lower end face of the second electrode 15 forms a welding working face II, when the metal ring frame 101 and the optical window cover plate 102 are packaged, a workpiece groove 16 is installed on the placing table 11, the workpiece groove 16 is used for accommodating the metal ring frame 101, and the depth of the workpiece groove 16 is the same as the height of the metal ring frame 101.
It should be noted that, the infrared sensor housing of the present invention is a package housing 10, and includes a metal ring frame 101 and a light window cover plate 102, wherein the top surfaces of the light window cover plate 102 and the metal ring frame 101 are flush with each other, and the welding position is in an annular "mouth" structure, that is, the welding position is welded along the side of the top of the metal ring frame 101 along the same track, the first electrode 14 and the second electrode 15 are in a mouth-shaped structure, just the same as the light window cover plate 102 and the metal ring frame 101, the first electrode 14 and the second electrode 15 respectively contact the metal portions of the metal ring frame 101 and the light window cover plate 102, and the second electrode 15 also applies downward pressure to the light window cover plate 102, so that the welding position is adhered to the metal ring frame 101 through current and melting.
The cover body assembly 2 comprises a metal corrugated pipe 21, the metal corrugated pipe 21 is fixedly arranged on the lifting table 12, and an upper sealing ring 22 matched with the lower sealing ring 3 is arranged at the bottom of the metal corrugated pipe 21.
The bottom of the upper sealing ring 22 is fixedly provided with a bulge 23, the top of the lower sealing ring 3 is provided with an annular groove 31, and the bulge 23 is matched with the annular groove 31.
Two air holes are formed in the lifting table 12, one air hole is an air outlet 131, the air outlet 131 is communicated with the vacuumizing device 13, the other air hole is an air adding hole, and the air adding hole is communicated with an external air adding source and used for adding inert gas into a welding area.
The base 1 is provided with a first air cylinder 121, the driving end of the first air cylinder 121 is fixedly connected with the lifting table 12, and the first air cylinder 121 is used for driving the lifting table 12 to reciprocate up and down.
It should be further noted that the packaging process of the existing infrared sensor housing includes the following steps:
the preparation stage: preparing components (a metal ring frame 101 and an optical window cover plate 102) to be welded and corresponding welding equipment;
component position calibration: the welded metal ring frame 101 and the optical window cover plate 102 are respectively sucked from the material carrying disc to the calibration positioning mechanism in an automatic suction nozzle component mode, the metal ring frame 101 and the optical window cover plate 102 which need to be welded and packaged are sequentially calibrated and positioned through the calibration positioning mechanism, and then the suction nozzle component is used for sucking, so that the correct posture of the metal ring frame 101 and the optical window cover plate 102 before being placed into the workpiece groove 16 of the welding area is ensured;
placing components, namely placing the calibrated and positioned metal ring frame 101 and the optical window cover plate 102, placing the metal ring frame 101 into the workpiece groove 16 through a suction nozzle component, placing the optical window cover plate 102 on the top of the metal ring frame 101 and aligning the metal ring frame 101 with the metal ring frame 101, and simultaneously, enabling the metal ring frame 101 to correspond to a first electrode 14 of welding equipment and enabling the optical window cover plate 102 to correspond to a second electrode 15 to be moved downwards;
vacuumizing the welding area, and exhausting the internal air between the metal ring frame 101 and the optical window cover plate 102;
welding: the metal ring frame 101 to be welded is contacted with the surface of the light window cover plate 102, the energy storage welding equipment discharges, namely, the metal ring frame 101 and the light window cover plate 102 are discharged through the first electrode 14 and the second electrode 15, so that molten liquid metal fills the welding surface, and the metal ring frame 101 and the light window cover plate 102 are welded together to form the packaging shell 10;
deflating and taking: after the welding process is finished, the welding area is aerated through the air-entrapping holes, the welded packaging shell 10 can be taken out after the cover body assembly 2 is opened, the packaging shell 10 is cooled to room temperature, and excellent welding spots are formed at the welding positions, so that the packaging purpose of the infrared sensor shell is achieved.
The correcting unit for correcting the position of the light window cover plate 102 at the top of the metal ring frame 101 is arranged on the placing table 11, the correcting unit is a correcting mechanism I4, the correcting mechanism I4 is positioned in the lower sealing ring 3, the correcting mechanism I4 comprises a guide rail 41, sliding tables 42 which synchronously and reversely move are slidably arranged at two ends of the guide rail 41, a push plate 43 is arranged at the top of the sliding tables 42, two inclined blocks (not shown in the figure) are arranged on the inner side of the push plate 43, the area between the inclined blocks is exactly matched with the light window cover plate 102, the inclined blocks are used for centering the light window cover plate 102, the light window cover plate 102 is aligned with the metal ring frame 101, the bottom surface of the push plate 43 is positioned at the top surface level of the workpiece groove 16, and the two push plates 43 push the light window cover plate 102 to align with the metal ring frame 101 when being close to each other.
It should be noted that, after the welding area is vacuumized, the first correction mechanism 4 performs correction before welding, and positions the light window cover plate 102 after the position of the light window cover plate 102 is shifted due to the pressure difference between the inner area of the metal ring frame 101 and the welding area in the vacuumization process, so that the light window cover plate 102 is realigned with the top of the metal ring frame 101 and then is welded.
The placing table 11 is fixedly provided with a second cylinder 45, the driving end of the second cylinder 45 is provided with a connecting block 44, the connecting block 44 is hinged with two connecting rods 441, and the end parts, far away from the connecting block 44, of the two connecting rods 441 are respectively hinged with the two sliding tables 42.
The workpiece groove 16 is fixedly arranged on the guide rail 41, the top of the sliding table 42 is provided with an arch rod 46, and one end of the arch rod 46 away from the sliding table 42 is connected with the push plate 43.
In this embodiment, the implementation scenario specifically includes: the first cylinder 121 drives the cover body assembly 2 to move downwards to be matched with the lower sealing ring 3, the inner area of the metal corrugated pipe 21 is sealed to form a sealed welding area, then the welding area is vacuumized by the vacuumizing device 13, and after vacuumizing is completed, the optical window cover plate 102 at the top of the metal ring frame 101 deflects under the action of pressure difference;
the cylinder two 45 of the correcting mechanism one 4 drives the connecting block 44 to move, the connecting block 44 pushes the two sliding tables 42 to be close to or far away from each other under the action of the connecting rod 441, when the two sliding tables 42 are close to each other, the two pushing plates 43 are driven to be close to each other, and the two pushing plates 43 are close to each other, and under the action of the oblique block, the oblique light window cover plate 102 can be centered, so that the oblique light window cover plate is realigned with the metal ring frame 101.
According to the invention, the workpiece calibration procedure is added before welding after vacuumizing, so that the positioning calibration procedure of the optical window cover plate 102 before vacuumizing can be removed, the packaging process is optimized, and the technical problem that the final packaging is affected due to workpiece deflection caused by pressure difference in the vacuumizing process is solved.
In one embodiment of the present invention, the correction mechanism two 5 is used to replace the correction mechanism one 4, so as to solve the technical problem of deflection of the optical window cover plate 102 caused by pressure difference between the inside and the outside of the metal ring frame 101 generated by vacuum pumping, the correction unit is the correction mechanism two 5, the correction mechanism two 5 is located in the cover body assembly 2, the correction mechanism two 5 includes a top plate 51, the top of the top plate 51 is provided with a lifting mechanism 17, the end of the lifting mechanism 17 far away from the top plate 51 is fixedly connected with the lifting table 12, four sides of the bottom of the top plate 51 are respectively provided with a baffle plate 52, the inner sides of the baffle plates 52 are respectively and horizontally provided with a guide post 521, a sliding sleeve 522 is sleeved on the guide post 521, a spring 523 is connected between the sliding sleeve 522 and the baffle plates 52, two first clamping jaws 53 are symmetrically arranged in the length direction of the top plate 51, two second clamping jaws 54 are symmetrically arranged in the width direction of the top plate 51, the first clamping jaws 53 and the second clamping jaws 54 are respectively fixedly connected with the sliding sleeve 522, the top plate 51 are respectively provided with wedges 56 capable of moving up and down, the inner sides of the first clamping jaws 53 and the second clamping jaws 54 are respectively movably provided with rolling wheels 55, and the rolling wheels 55 are respectively in contact with the outer circumferential surfaces of the rolling wheels 55.
The lifting mechanism 17 is an air cylinder, an electric telescopic rod or other linear adjusting mechanism.
The top plate 51 is fixedly provided with a third air cylinder 57, and the driving end of the third air cylinder 57 is fixedly connected with the wedge 56.
A horizontally arranged stop rod 524 is fixedly arranged on the sliding sleeve 522, a stop plate 511 is also arranged at the bottom of the top plate 51, and the stop plate 511 is correspondingly arranged with the stop rod 524.
When the first correction mechanism 4 or the second correction mechanism 5 is adopted, the mounting positions of the first electrode 14 and the second electrode 15 need to be adaptively adjusted so as to be matched with the first correction mechanism 4 or the second correction mechanism 5, thereby avoiding interference.
In this embodiment, the implementation scenario specifically includes: the first cylinder 121 drives the cover body assembly 2 to move downwards to be matched with the lower sealing ring 3, the inner area of the metal corrugated pipe 21 is sealed to form a sealed welding area, then the lifting mechanism 17 is controlled to drive the second correcting mechanism 5 to move downwards, the two first clamping jaws 53 and the two second clamping jaws 54 are operated, the optical window cover plate 102 placed on the metal ring frame 101 is clamped and separated from the metal ring frame 101, the optical window cover plate 102 is centered along with the mutual approaching of the two first clamping jaws 53 and the two second clamping jaws 54, and the second correcting mechanism 5 is positioned right above the workpiece groove 16, so that the second correcting mechanism 5 moves upwards and downwards, and the centered optical window cover plate 102 always corresponds to the metal ring frame 101;
when the metal ring frame 101 is separated from the light window cover plate 102, the interior of the metal ring frame 101 is exposed in the welding area, the welding area is vacuumized through the vacuumizing device 13, and the light window cover plate 102 does not block the air in the metal ring frame 101 from being pumped out, so that the technical problem that the light window cover plate 102 is offset at the top of the metal ring frame 101 is avoided, after vacuumizing is finished, the lifting mechanism 17 is controlled to move downwards, the light window cover plate 102 is replaced on the metal ring frame 101, and the phenomenon that the light window cover plate 102 is offset on the metal ring frame 101 is avoided due to up-down reciprocating movement.
In an embodiment of the present invention, an embodiment in which the first correction mechanism 4 and the second correction mechanism 5 exist may be further used to adjust the position of the optical window cover 102 on the metal ring frame 101, so that the matching accuracy degree of the two workpieces can be effectively ensured.
The embodiment has been described above with reference to the embodiment, but the embodiment is not limited to the above-described specific implementation, which is only illustrative and not restrictive, and many forms can be made by those of ordinary skill in the art, given the benefit of this disclosure, are within the scope of this embodiment.
Claims (8)
1. The packaging equipment of the infrared sensor shell is characterized by comprising a base (1), wherein a placing table (11) and a lifting table (12) which are vertically distributed are arranged on the base (1), the placing table (11) is arranged right below the lifting table (12), a cover body component (2) is arranged on the lifting table (12), a lower sealing ring (3) is arranged on the placing table (11), a vacuum pumping device (13) is further arranged on the base (1), the vacuum pumping device (13) is used for pumping the welding area into a vacuum state, a first electrode (14) is arranged on the placing table (11), a second electrode (15) is arranged on the lifting table (12), the upper end face of the first electrode (14) forms a first welding working face, the lower end face of the second electrode (15) forms a second welding working face, a metal ring frame (101) and a light window cover plate (102) are matched to form a sealed welding area, the metal ring frame (101) and the light window (102) are packaged together, the first welding face and the second welding face (16) are arranged between the metal ring frame (101) and the second welding face (16) and the workpiece receiving groove (16), the depth of the workpiece groove (16) is the same as the height of the metal ring frame (101);
the device is characterized in that a correction unit for correcting the position of the light window cover plate (102) at the top of the metal ring frame (101) is arranged on the placing table (11), the correction unit is a correction mechanism I (4), the correction mechanism I (4) is positioned in the lower sealing ring (3), the correction mechanism I (4) comprises a guide rail (41), sliding tables (42) capable of synchronously and reversely moving are slidably arranged at two ends of the guide rail (41), a push plate (43) is arranged at the top of the sliding table (42), the bottom surface of the push plate (43) is positioned at the top surface level of the workpiece groove (16), and the two push plates (43) push the light window cover plate (102) to be aligned with the metal ring frame (101) when being close to each other;
a second cylinder (45) is fixedly arranged on the placing table (11), a connecting block (44) is arranged at the driving end of the second cylinder (45), two connecting rods (441) are hinged to the connecting block (44), and the ends, far away from the connecting block (44), of the two connecting rods (441) are respectively hinged to the two sliding tables (42);
the workpiece groove (16) is fixedly arranged on the guide rail (41), an arch-shaped rod (46) is arranged at the top of the sliding table (42), and one end, far away from the sliding table (42), of the arch-shaped rod (46) is connected with the push plate (43);
the first correction mechanism (4) is used for carrying out correction action after vacuumizing a welding area and before welding, and carrying out welding after realigning the optical window cover plate (102) with the top of the metal ring frame (101) by positioning the optical window cover plate (102) after the position of the optical window cover plate (102) is deviated due to pressure difference between the inner area of the metal ring frame (101) and the welding area in the vacuumizing process; the workpiece calibration procedure is added before welding after vacuumizing, so that the positioning calibration procedure of the light window cover plate (102) before vacuumizing can be removed, and the packaging process is optimized.
2. The packaging device of an infrared sensor housing according to claim 1, wherein the correction unit is a correction mechanism II (5), the correction mechanism II (5) is located in the housing assembly (2), the correction mechanism II (5) comprises a top plate (51), a lifting mechanism (17) is installed at the top of the top plate (51), the end part of the lifting mechanism (17) far away from the top plate (51) is fixedly connected with a lifting table (12), a baffle plate (52) is installed on four sides at the bottom of the top plate (51), guide posts (521) are horizontally and vertically installed on the inner sides of the baffle plate (52), a sliding sleeve (522) is sleeved on the guide posts (521), springs (523) are connected between the sliding sleeve (522) and the baffle plate (52), two first clamping jaws (53) are symmetrically arranged in the length direction of the top plate (51), two second clamping jaws (54) are symmetrically arranged in the width direction of the top plate (51), the first clamping jaws (53) and the second clamping jaws (54) are fixedly connected with the sliding sleeve (522), a roller (55) is installed on the inner sides of the top plate (51), the four rollers (55) are in extrusion contact with the outer peripheral surface of the wedge block (56).
3. The packaging device of an infrared sensor housing according to claim 2, wherein a third cylinder (57) is fixedly mounted on the top plate (51), and the driving end of the third cylinder (57) is fixedly connected with the wedge block (56).
4. A packaging device for an infrared sensor housing according to claim 3, characterized in that a horizontally arranged stop bar (524) is fixedly mounted on the sliding sleeve (522), a stop plate (511) is further mounted on the bottom of the top plate (51), and the stop plate (511) is arranged corresponding to the stop bar (524).
5. The packaging device of an infrared sensor housing according to claim 1 or 2, wherein the cover assembly (2) comprises a metal bellows (21), the metal bellows (21) is fixedly mounted on a lifting table (12), and an upper sealing ring (22) matched with the lower sealing ring (3) is mounted at the bottom of the metal bellows (21).
6. The packaging device of an infrared sensor housing according to claim 5, wherein a protrusion (23) is fixedly mounted at the bottom of the upper sealing ring (22), an annular groove (31) is formed at the top of the lower sealing ring (3), and the protrusion (23) is adapted to the annular groove (31).
7. The packaging device of an infrared sensor housing according to claim 6, wherein the lifting table (12) is provided with two air holes, one of the air holes is an air vent hole (131), the air vent hole (131) is communicated with the vacuumizing device (13), the other air hole is an air adding hole, and the air adding hole is communicated with an external air adding source and is used for filling inert gas into the welding area.
8. The packaging device of an infrared sensor housing according to claim 1, wherein a first cylinder (121) is mounted on the base (1), and a driving end of the first cylinder (121) is fixedly connected with the lifting table (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311211589.5A CN116967673B (en) | 2023-09-20 | 2023-09-20 | Packaging equipment of infrared sensor shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311211589.5A CN116967673B (en) | 2023-09-20 | 2023-09-20 | Packaging equipment of infrared sensor shell |
Publications (2)
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| CN116967673A (en) | 2023-10-31 |
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