Automatic glue painting machine for PCBA (printed circuit board assembly) substrate maintenance

By introducing a clamping mechanism into the automatic glue dispenser and using the coordinated locking of springs and latches, the cumbersome clamping adjustment problem during the repair of PCBA substrates of different sizes is solved, achieving efficient and low-cost clamping operations.

CN223352034UActive Publication Date: 2025-09-19GLOBAL ASSOC ELECTRONICS(SHANGHAI) CO LTD
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Patent Information

Application Number
CN202422163047.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-04
Publication Date
2025-09-19
Estimated Expiration
2034-09-04

AI Technical Summary

Technical Problem

When repairing PCBA substrates of different sizes, existing automatic glue dispensing machines need to spend a lot of time adjusting the clamping structure, which makes it inconvenient to use.

Method used

The clamping mechanism is used, and the spring and latch are used for locking, which simplifies the clamping operation and adapts to the maintenance of PCBA substrates of different sizes.

Benefits of technology

It improves the usability of the equipment, reduces the modification cost, simplifies the clamping and adjustment process, and improves the maintenance efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an automatic glue painting machine for PCBA substrate maintenance, which comprises a base, the top of the base is fixedly provided with a support frame, the inside of the support frame is fixedly provided with a first electric slide rail, the front side of the first electric slide rail is movably provided with a moving seat, the front side of the moving seat is fixedly provided with a glue painting machine head, and the glue painting machine head is fixedly provided with a glue painting machine head. And a second electric sliding rail is fixedly mounted at the top of the base, and a clamping mechanism is slidably mounted above the second electric sliding rail. When the PCBA substrate is maintained, the PCBA substrate is placed on the top of the clamping mechanism and is clamped and locked through the clamping mechanism, the locking process is carried out through mutual cooperation of the spring and the plug pin, inconvenience caused by traditional clamping operation through threads is abandoned, and meanwhile the PCBA substrate maintenance device is simple in structure and convenient to use. When an original automatic glue painting machine is transformed, more cost does not need to be consumed, the usability is improved, meanwhile, the cost is slightly increased, and the market requirement is met.
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Description

Technical Field

[0001] The utility model relates to the technical field of PCBA substrate repair, in particular to an automatic glue dispenser for PCBA substrate repair. Background Art

[0002] The automatic glue coating machine's functional requirements include linear and circular interpolation on the X and Y axes, with the Z axis primarily used for workstation switching. It is a mechatronic system comprised of five subsystems: mechanical, power, sensor, electronic information processing, and actuator systems.

[0003] When repairing PCBA substrates, automatic glue dispensers are important equipment. For example, the automatic glue dispenser for PCBA substrate repair proposed in 202121745964.0 is assembled into a modular finished product through a hot pressing process. The dispenser has a simple structure and can clamp and dispense glue for multiple PCBA products of the same size at a time. It is highly efficient and easy to load and unload. It solves the risk of variation caused by residual glue on returned products, effectively controls the yield rate and customer complaint risks, and has shown that the process test yield rate of returned products has increased by more than 5% on the original basis.

[0004] However, when the automatic glue dispensing machine in the prior art repairs PCBA substrates of different sizes, it takes a lot of time to adjust the clamping structure. The process is cumbersome and makes the equipment inconvenient to use. Therefore, an automatic glue dispensing machine for repairing PCBA substrates is proposed to solve the above problem. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model provides an automatic glue dispensing machine for PCBA substrate repair, which has the advantages of convenient adjustment of the clamping structure and adaptability to the repair of PCBA substrates of different sizes. It solves the problem that the automatic glue dispensing machine in the existing technology needs to spend a lot of time to adjust the clamping structure when repairing PCBA substrates of different sizes, and the process is cumbersome, which makes the equipment inconvenient to use.

[0006] To achieve the above-mentioned object, the utility model provides the following technical solution: an automatic glue dispensing machine for PCBA substrate repair, comprising a base, a support frame fixedly mounted on the top of the base, a first electric slide fixedly mounted inside the support frame, a movable seat movably mounted on the front of the first electric slide, a glue dispensing machine head fixedly mounted on the front of the movable seat, a second electric slide fixedly mounted on the top of the base, and a clamping mechanism slidably mounted above the second electric slide;

[0007] The clamping mechanism includes a slide, a slide is slidably installed on the top of the second electric slide rail, and a plug shaft is movably installed on the left and right sides of the slide, and a clamping plate is fixedly installed on the end of the plug shaft, a slide groove is provided on the top of the slide, a limit pin is slidably installed inside the slide groove, and a support plate is fixedly installed on the left and right sides of the bottom of the slide, and two slots are provided on the left and right sides of the slide, and a tension spring is fixedly installed between the plug shaft and the slot, an inner cavity is provided inside the limit pin, and a limit rod is inserted inside the limit pin, and limiting grooves are provided inside the limit pin and on the left and right sides of the inner wall of the inner cavity, and pins are movably installed on the left and right sides of the limit rod, and a limit spring is sleeved on the outer surface of the pin, and a plug rod is inserted inside the inner cavity, and support grooves are provided on the left and right sides of the plug rod.

[0008] Furthermore, the movable seat is slidably mounted on the front of the support frame via a first electric slide rail, and the glue drawing machine head is located above the clamping structure.

[0009] Furthermore, the clamping mechanism is slidably mounted above the second electric slide rail via a support plate, and the insertion shaft is inserted into the interior of the slot.

[0010] Furthermore, the insertion shaft is movably installed inside the slot through a tension spring, and the sliding groove is arranged on the inner side of the slots on both sides.

[0011] Furthermore, the limit pin is slidably installed inside the slide groove through the limit rod, and an installation groove is opened inside the limit rod. The pin is inserted into the left and right sides of the installation groove, and the insertion rod is inserted into the top of the installation groove. The installation grooves are arranged at equal distances.

[0012] Furthermore, the support groove is located above the latches on both sides, and the insertion rod is inserted between the two corresponding latches.

[0013] Compared with the existing technology, the technical solution of this application has the following beneficial effects:

[0014] When repairing a PCBA substrate, the present invention places it on the top of the clamping mechanism, which clamps and locks it. The locking process is carried out by the cooperation of a spring and a latch, eliminating the inconvenience of traditional threaded clamping operations. The present invention has a simple structure and does not require additional costs when modifying the original automatic glue dispenser. The usability is improved while the cost increase is minimal, which meets market demand. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 A magnified view of the structure at center A;

[0017] Figure 3 This is a top sectional view of the clamping mechanism of the utility model;

[0018] Figure 4 This is a front cross-sectional view of the clamping mechanism of the utility model;

[0019] Figure 5 For this utility model Figure 4 Enlarged view of the structure at point B in the middle.

[0020] In the figure: 1. Base; 2. Support frame; 3. First electric slide rail; 4. Moving seat; 5. Glue painting machine head; 6. Second electric slide rail; 7. Clamping mechanism; 701. Slide plate; 702. Insert shaft; 703. Clamping plate; 704. Slide groove; 705. Limit pin; 706. Support plate; 707. Slot; 708. Tension spring; 709. Inner cavity; 710. Limit rod; 711. Limit groove; 712. Pin; 713. Insert rod; 714. Support groove; 715. Limit spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-5 In this embodiment, an automatic glue dispensing machine for PCBA substrate repair includes a base 1, a support frame 2 is fixedly installed on the top of the base 1, a first electric slide 3 is fixedly installed inside the support frame 2, a movable base 4 is movably installed on the front of the first electric slide 3, a glue dispensing machine head 5 is fixedly installed on the front of the movable base 4, a second electric slide 6 is fixedly installed on the top of the base 1, and a clamping mechanism 7 is slidably installed above the second electric slide 6;

[0023] The clamping mechanism 7 includes a slide plate 701, a slide plate 701 is slidably installed on the top of the second electric slide rail 6, and a plug shaft 702 is movably installed on the left and right sides of the slide plate 701. The end of the plug shaft 702 is fixedly installed with a clamping plate 703. A slide groove 704 is provided on the top of the slide plate 701. A limit pin 705 is slidably installed inside the slide groove 704. A support plate 706 is fixedly installed on the left and right sides of the bottom of the slide plate 701. Two slots 707 are provided on the left and right sides of the slide plate 701. The plug shaft 702 and the slot 703 are fixedly installed. 07, a tension spring 708 is fixedly installed between the limit pin 705 and the inner cavity 709, a limit rod 710 is inserted into the inner part of the limit pin 705, and limit grooves 711 are provided on the left and right sides of the inner wall of the inner cavity 709 inside the limit pin 705, and latches 712 are movably installed on the left and right sides of the limit rod 710, and a limit spring 715 is sleeved on the outer surface of the latch 712, and an insertion rod 713 is inserted into the inner cavity 709, and support grooves 714 are provided on the left and right sides of the insertion rod 713.

[0024] In this embodiment, the first electric slide rail 3 is used to drive the movable seat 4 to move left and right on the support frame 2, thereby driving the glue drawing head 5 to move above the clamping mechanism 7 to achieve glue drawing operation.

[0025] In this embodiment, the second electric slide rail 6 is used to drive the clamping mechanism 7 to move back and forth on the top of the base 1, driving the movement of the PCBA substrate back and forth during the glue application process, and cooperating with the glue application head 5 to perform multi-dimensional movement. The clamping mechanism 7 is driven by the support plate 706.

[0026] In this embodiment, during the process of applying glue to the PCBA substrate, the clamping mechanism 7 is used for locking, the plug shaft 702 is inserted into the inside of the slot 707, and the plug shaft 702 is movably installed in the inside of the slot 707 through the tension spring 708. The slide groove 704 is arranged on the inner side of the slots 707 on both sides, and the limit pin 705 is slidably installed in the inside of the slide groove 704 through the limit rod 710. The limit rod 710 is provided with an installation groove inside, the pin 712 is inserted into the left and right sides of the installation groove, the plug rod 713 is inserted into the top of the installation groove, the installation grooves are arranged at equal distances, the support groove 714 is above the pins 712 on both sides, and the plug rod 713 is inserted between the two corresponding pins 712.

[0027] When the locking cam 711 is unlocked, the locking cam 712 is unlocked, and the locking cam 713 is unlocked, so that the locking cam 712 is unlocked.

[0028] To sum up, when repairing the PCBA substrate, the present invention places it on the top of the clamping mechanism 7, and clamps and locks it through the clamping mechanism 7. The locking process is carried out by the cooperation of the spring and the pin 712, which abandons the inconvenience of the traditional threaded clamping operation. At the same time, the structure is simple, and no more expenses are required when modifying the original automatic gluing machine. The usability is improved while the cost is increased less, which meets the market demand and solves the problem that the automatic gluing machine in the existing technology needs to spend more time to adjust the clamping structure when repairing PCBA substrates of different sizes. The process is cumbersome and causes inconvenience in using the equipment.

[0029] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic glue dispensing machine for PCBA substrate repair, comprising a base (1), characterized in that: A support frame (2) is fixedly mounted on the top of the base (1), a first electric slide rail (3) is fixedly mounted inside the support frame (2), a movable seat (4) is movably mounted on the front of the first electric slide rail (3), a glue drawing machine head (5) is fixedly mounted on the front of the movable seat (4), a second electric slide rail (6) is fixedly mounted on the top of the base (1), and a clamping mechanism (7) is slidably mounted above the second electric slide rail (6); The clamping mechanism (7) includes a slide plate (701), the top of the second electric slide rail (6) is slidably mounted with a slide plate (701), the left and right sides of the slide plate (701) are movably mounted with plug shafts (702), the end of the plug shaft (702) is fixedly mounted with a clamping plate (703), the top of the slide plate (701) is provided with a slide groove (704), the interior of the slide groove (704) is slidably mounted with a limit pin (705), the left and right sides of the bottom of the slide plate (701) are fixedly mounted with a support plate (706), the left and right sides of the slide plate (701) are provided with two slots (707), the plug shaft (702) and the plug shaft (703) are fixedly mounted. A tension spring (708) is fixedly installed between the grooves (707); an inner cavity (709) is provided inside the limit pin (705); a limit rod (710) is inserted inside the limit pin (705); limit grooves (711) are provided inside the limit pin (705) and on the left and right sides of the inner wall of the inner cavity (709); latches (712) are movably installed on the left and right sides of the limit rod (710); a limit spring (715) is sleeved on the outer surface of the latch (712); an insertion rod (713) is inserted inside the inner cavity (709); and support grooves (714) are provided on the left and right sides of the insertion rod (713).

2. The automatic glue dispensing machine for PCBA substrate repair according to claim 1, characterized in that: The movable seat (4) is slidably mounted on the front of the support frame (2) via a first electric slide rail (3), and the glue drawing machine head (5) is located above the clamping mechanism (7).

3. The automatic glue dispensing machine for PCBA substrate repair according to claim 1, characterized in that: The clamping mechanism (7) is slidably mounted above the second electric slide rail (6) via a support plate (706), and the insertion shaft (702) is inserted into the interior of the slot (707).

4. The automatic glue dispensing machine for PCBA substrate repair according to claim 1, characterized in that: The inserting shaft (702) is movably installed inside the slot (707) via a tension spring (708), and the sliding groove (704) is arranged on the inner side of the slots (707) on both sides.

5. The automatic glue dispensing machine for PCBA substrate repair according to claim 1, characterized in that: The limiting pin (705) is slidably installed inside the slide groove (704) through the limiting rod (710), and a mounting groove is provided inside the limiting rod (710). The latch pin (712) is inserted into the left and right sides of the mounting groove, and the insertion rod (713) is inserted into the top of the mounting groove. The mounting grooves are arranged at equal distances.

6. The automatic glue dispensing machine for PCBA substrate repair according to claim 1, characterized in that: The supporting groove (714) is located above the latch pins (712) on both sides, and the inserting rod (713) is inserted between the two corresponding latch pins (712).

Citation Information

Patent Citations

  • Automatic glue painting machine for PCBA (printed circuit board assembly) substrate maintenance

    CN216094543U