Search

CN-122007751-A - Photoelectric device parallel seal welding positioning device and method thereof

CN122007751ACN 122007751 ACN122007751 ACN 122007751ACN-122007751-A

Abstract

The invention relates to the technical field of parallel seal welding, and discloses a device and a method for positioning parallel seal welding of photoelectric devices, wherein a parallel seal welding machine is arranged above an operation table; the positioning and clamping device comprises a rotary table, a base and a material table, wherein the rotary table is rotatably arranged on an operation table, the base is fixed on the top of the rotary table, the material table is fixed on the top of the base, four sliding blocks are connected to the top surface of the base in a sliding manner, clamping plates are slidably arranged on the sliding blocks, the four clamping plates can synchronously perform centering movement to position the packaging box, the driving assembly is used for driving the four sliding blocks to synchronously move, the alignment assembly is used for keeping the packaging cover and the packaging box in alignment in linkage with the clamping device and avoiding interference welding, the jacking assembly is used for jacking the packaging box after welding, and the cleaning assembly is used for synchronously cleaning the contact surfaces of the clamping plates and the alignment assembly. The invention realizes the accurate alignment of the automatic positioning and clamping of the packaging box and the packaging cover, and is suitable for devices with multiple specifications.

Inventors

  • SHI WEIMEI

Assignees

  • 成都职业技术学院

Dates

Publication Date
20260512
Application Date
20260119

Claims (10)

  1. 1. The parallel seal welding positioning device for the photoelectric device is characterized by comprising an operating platform, a parallel seal welding machine, a positioning clamping device, a driving assembly, an alignment assembly, a jacking assembly and a cleaning assembly; The parallel seal welding machine is arranged above the operating platform; The positioning and clamping device comprises a turntable, a base and a material table, wherein the turntable is rotatably arranged on an operation table, the base is fixed on the top of the turntable, the material table is fixed on the top of the base, four sliding blocks are connected to the top surface of the base in a sliding manner, clamping plates are arranged on the sliding blocks in a sliding manner, and the four clamping plates can synchronously perform centering movement to position the packaging box; The driving assembly is used for driving the four sliding blocks to synchronously move, the aligning assembly is used for keeping the packaging cover and the packaging box aligned in a linkage manner with the clamping device and avoiding interference welding, the jacking assembly is used for jacking the packaging box after welding, and the cleaning assembly is used for synchronously cleaning the contact surface of the clamping plate and the aligning assembly.
  2. 2. The optoelectronic device parallel seal positioning apparatus of claim 1, wherein the drive assembly comprises a motor, a shaft, a turntable, and a core sleeve; The rotary table is fixedly connected with the core sleeve, four curved bars are hinged to the rotary table, and one ends of the four curved bars, far away from the rotary table, are respectively hinged with the four sliding blocks; The clamping plate is rotatably provided with a screw rod, the screw rod is in threaded connection with the sliding block, the clamping plate is provided with a scale plate with the precision of 1mm, and the top edge of the sliding block is aligned with the scale of the scale plate.
  3. 3. The optoelectronic device parallel seal positioning apparatus of claim 1, wherein the alignment assembly comprises four slide plates, four grooved bars, a press ring, and a grooved drum; The four sliding plates are respectively and vertically connected with the four clamping plates in a sliding manner, when the sliding plates slide upwards, the tops of the sliding plates protrude out of the tops of the clamping plates by 3-5mm, and after the sliding plates move downwards, the sliding plates do not protrude out of the tops of the clamping plates; The four groove rods are arranged on the inner wall of the top of the base through connecting blocks, a first sliding shaft is arranged at the bottom end of the sliding plate, a flat sliding groove is formed in the groove rods, the first sliding shaft is in sliding connection with the flat sliding groove, and a second spring is arranged between the top surface of the groove rods and the inner wall of the top of the base; The compression ring is in sliding connection with the rotating shaft through a second sliding shaft, the groove drum is fixed at the top of the core sleeve, an arc-shaped groove with the radian of 30-45 degrees is formed in the groove drum, and the second sliding shaft is in sliding fit with the arc-shaped groove; A gap of 2-5mm is formed between the material table and the top surface of the base, the telescopic range of the telescopic rod of the cleaning assembly is 1-110mm, a third spring is arranged in the telescopic rod, and the laminating pressure of the scraping plate of the cleaning assembly and the clamping plate is 2-3N.
  4. 4. A method for positioning a photoelectric device by parallel sealing, which is characterized by adopting the device for positioning a photoelectric device by parallel sealing according to any one of claims 1-3, comprising the following steps: Step one, debugging welding parameters of a parallel sealing machine, adjusting welding current to 10-15A, and welding pressure to 0.3-0.5MPa, and completing welding preparation; placing the packaging box and the packaging cover above the packaging box on a material table to ensure that the initial deviation between the center of the packaging box and the center of the material table is not more than 1mm; Starting a driving assembly, driving a rotating shaft to rotate by a motor, driving four sliding blocks to drive clamping plates to synchronously perform centering movement at a speed of 3-8mm/s through an arc-shaped spring, a turntable and a curved rod, controlling the clamping force to be 10-15N, and synchronously triggering an alignment assembly in the clamping process, so that the sliding plates are attached to the edges of the packaging cover to realize alignment; Starting a parallel sealing welder to perform first welding, wherein the welding time is 2-3 seconds, and driving a turntable to rotate 90 degrees at a speed of 10 degrees/s after the welding is completed, wherein the rotation error is not more than 0.5 degree, and performing second welding to finish four-side sealing welding of the packaging box; Step five, after welding is finished, starting a driving assembly to enable the four clamping plates to reversely move at the speed of 3-5mm/s to loosen clamping, triggering a jacking assembly, jacking the packaging box by the inner shaft for 3-5mm, and enabling the jacking time to be not more than 2 seconds; Step six, in the loosening process of the clamping plate, the cleaning assembly is synchronously triggered, the scraping plate reciprocates up and down for at least 2 times along the contact surface of the clamping plate and the sliding plate, the moving distance is not less than 5cm each time, and impurities on the contact surface are cleaned; And seventhly, taking down the packaging box, repeating the second to sixth steps, and sequentially carrying out parallel sealing welding on the subsequent packaging boxes.
  5. 5. The parallel seal welding positioning method of the photoelectric device according to claim 4, wherein in the third step, the specific process of synchronous triggering of the alignment assembly is that when the motor drives the rotating shaft to rotate, the rotating shaft drives the core sleeve and the groove barrel to synchronously rotate through the arc-shaped spring, the arc-shaped groove on the groove barrel generates downward guiding acting force on the second sliding shaft, the pressing ring is driven to move downwards and four groove rods are driven to move downwards synchronously, the groove rods drive the four sliding plates to vertically slide upwards along the clamping plates through the cooperation of the flat sliding grooves and the first sliding shaft until the top ends of the sliding plates are attached to the edges of the encapsulation cover, and the attaching time difference of the four sliding plates is not more than 0.3 seconds, so that the precise alignment of the encapsulation cover and the encapsulation box is realized.
  6. 6. The parallel seal welding positioning method of the photoelectric device according to claim 4, wherein in the fifth step, the reverse movement releases the clamping, and the jacking component triggers the specific process that the driving component drives the motor to rotate reversely, the rotating shaft drives the four sliding blocks to drive the clamping plate to synchronously move away from the sealing box at the speed of 3-5mm/s through the arc-shaped spring, the rotating disc and the curved rod, when the rotating shaft rotates reversely, the first protruding block at the top end of the rotating shaft rotates synchronously to be abutted with the second protruding block at the bottom end of the inner shaft, the first protruding block applies upward jacking force to the second protruding block along with the continuous rotation of the rotating shaft, the first spring is compressed and drives the inner shaft to vertically move upwards along the center of the material platform to jack up the sealing box for 3-5mm, and the time difference between the time when the clamping plate starts to move reversely and the time when the inner shaft jacks up the sealing box to the target height is not more than 0.5 seconds.
  7. 7. The method for positioning parallel seal welding of optoelectronic devices according to claim 4, wherein in step six, the cleaning pressure of the scraping plate is maintained at 2-3N by the third spring, so as to ensure that impurity particles with a size of more than 0.1mm can be removed, and the contact surface is kept clean.
  8. 8. The parallel seal welding positioning method of the photoelectric device according to claim 4, wherein when the specification of the packaging box is 50×50mm-500×500mm, the clamping plate position is adjusted by rotating the screw rod before the second step, and the clamping size error is controlled to be +/-1 mm according to the indication of the scale plate, so that the packaging boxes with different specifications are adapted.
  9. 9. The method for positioning parallel seal welding of photoelectric devices according to claim 4, wherein in the third step, after the alignment assembly is triggered, the attaching pressure of the sliding plate and the packaging cover is 3-5N, so that accurate alignment of the packaging cover and the packaging box is ensured, and the final alignment error is not more than 0.1mm.
  10. 10. The method of positioning a photovoltaic device in parallel according to claim 4, wherein in the fifth step, the inner shaft is lifted up to the package box and then kept in the lifted state for 1-2 seconds.

Description

Photoelectric device parallel seal welding positioning device and method thereof Technical Field The invention relates to the technical field of parallel seal welding, in particular to a device and a method for positioning parallel seal welding of a photoelectric device. Background The photoelectric device is used as a core element for mutually converting optical signals and electric signals, and is widely applied to the fields of communication, sensing, photoelectric display and the like. In order to ensure that the performance of the device is not influenced by environmental factors such as external humidity, dust and the like, the device is packaged in a customized packaging box through a parallel sealing technology. The parallel sealing machine enables the packaging cover and the packaging box to form a firm sealing weld joint through accurately controlling heating, pressure and atmosphere, has the advantages of high welding precision, strong sealing performance and small damage to devices, and is core equipment in the field of photoelectric device packaging. However, the prior art has a plurality of defects: Firstly, the packaging box is positioned and clamped by a manually operated jig or a tool clamp, a worker needs to manually place the packaging box at a station and adjust the jig, the operation is tedious, the time consumption is long, and the production efficiency is seriously affected; Secondly, the manual positioning is easy to cause dislocation of the packaging cover and the packaging box, the problem of welding misalignment occurs, and the sealing quality is reduced; thirdly, most of existing clamps are designed in a single specification, so that the existing clamps are difficult to adapt to packaging boxes with different sizes, the universality is poor, and a great amount of time is consumed for replacing the clamps; Fourth, smoke dust and impurities generated in the welding process are easy to adhere to the clamping surface, positioning accuracy can be affected after long-term use, and the prior art lacks an automatic cleaning function and needs to be cleaned manually and regularly, so that operation cost is further increased. Disclosure of Invention The invention aims to provide a parallel sealing and positioning device and a parallel sealing and positioning method for an optoelectronic device, and aims to solve the problems that the existing parallel sealing and welding of the optoelectronic device, particularly a soft shell, depends on a manual fixture, the positioning and clamping time is long, the efficiency is low, a packaging cover and a packaging box are easy to misplace, impurities are easy to remain on a clamping surface, and the multi-specification packaging box is difficult to adapt. In order to solve the problems, the invention adopts the following technical scheme: the first scheme is that the photoelectric device parallel seal welding positioning device comprises an operation table, a parallel seal welding machine, a positioning clamping device, a driving assembly, an alignment assembly, a jacking assembly and a cleaning assembly; The parallel seal welding machine is arranged above the operating platform; The positioning and clamping device comprises a turntable, a base and a material table, wherein the turntable is rotatably arranged on an operation table, the base is fixed on the top of the turntable, the material table is fixed on the top of the base, four sliding blocks are connected to the top surface of the base in a sliding manner, clamping plates are arranged on the sliding blocks in a sliding manner, and the four clamping plates can synchronously perform centering movement to position the packaging box; The driving assembly is used for driving the four sliding blocks to synchronously move, the aligning assembly is used for keeping the packaging cover and the packaging box aligned in a linkage manner with the clamping device and avoiding interference welding, the jacking assembly is used for jacking the packaging box after welding, and the cleaning assembly is used for synchronously cleaning the contact surface of the clamping plate and the aligning assembly. The beneficial effects are that: The invention integrates positioning, aligning, jacking and cleaning functions into a whole, does not need additional auxiliary equipment, simplifies the structure of the device, can very smoothly complete all the positioning, aligning, jacking and cleaning operations by positioning, aligning, jacking and cleaning linkage, does not need to stop to cause manual intervention, ensures the centering and positioning of the packaging box by the synchronous centering movement of the four clamping plates, ensures that the aligning assembly takes both aligning and welding avoidance into consideration, and the cleaning assembly synchronously cleans impurities, thereby comprehensively improving the sealing and welding efficiency and quality. In the prior art, although the partial packaging d