PCB patch dispensing device

By introducing a UV curing lamp box and an automatic switching mechanism into the PCB board dispensing device, the problems of uncured adhesive dripping and contamination and positional deviation are solved, achieving instant curing of the adhesive and cleaning of the work surface.

CN223602774UActive Publication Date: 2025-11-28SHENZHEN XUNFENG ELECTRONIC CO LTD
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Patent Information

Application Number
CN202422880252.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-11-28
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

Existing PCB board dispensing devices are prone to causing flow contamination and positional deviation when removing uncured adhesive, and the dispensing head drips adhesive that contaminates the work surface.

Method used

A PCB board mounting and dispensing device was designed, which includes a UV curing lamp box and an automatic switching mechanism. The UV curing lamp box protects the PCB board from dripping when not dispensing, and automatically covers it for curing after dispensing. The automatic switching mechanism adjusts the flip angle of the UV curing lamp box through the cooperation of the active rack and driven gear.

Benefits of technology

It effectively prevents uncured adhesive from dripping and causing contamination, ensures accurate dispensing, and enables immediate curing of the adhesive, thus avoiding contamination of the work surface.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a PCB (printed circuit board) patch adhesive dispensing device, which belongs to the technical field of PCB adhesive dispensing and comprises an adhesive dispensing workbench, a lifting adhesive dispensing mechanism arranged above the adhesive dispensing workbench, a UV (ultraviolet) curing lamp box arranged on the surface of the adhesive dispensing workbench, a curing lamp tube arranged inside the UV curing lamp box, an automatic switching mechanism arranged on the surface of one side of the UV curing lamp box, and an automatic control mechanism arranged on the surface of the other side of the UV curing lamp box. The automatic switching mechanism comprises a hinged rotating arm, a hinged rotating shaft, a driven gear, a driving rack and a connecting support, the hinged rotating arm is fixed to the surface of one side of the UV curing lamp box, and the hinged rotating shaft is fixed to the hinged rotating arm in a penetrating mode; according to the utility model, through the arrangement of the UV curing lamp box, the UV curing lamp box can carry out glue dripping prevention protection on the PCB below the lifting glue dispensing mechanism when glue dispensing is not carried out, and when glue dispensing is finished and the lifting glue dispensing mechanism is completely lifted and reset, the UV curing lamp box automatically covers the PCB and realizes a direct glue dispensing curing treatment function by utilizing a curing lamp.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to PCB board point gum technical field, especially related to a kind of PCB board patch point gum device. BACKGROUND

[0002] PCB board patch point gum device is a kind of equipment specially used to carry out point gum operation on PCB circuit board, accurately drops, coating fluid such as glue, paint etc. on PCB board surface or inside, realize the fixation and sealing of component, glue flows out from drop glue needle nozzle, accurately points in PCB board predetermined position by mechanical movement and program control.

[0003] At present, after point gum is finished on PCB board, the glue body has not been completely solidified, unstable operation when taking down PCB board from point gum machine platform can cause the flow of unsolidified glue body and cause local pollution and the defect that less point gum amount is specified position, there is drop glue in point gum head once in non-point gum stage, which causes drop glue pollution to point gum workbench surface, especially after PCB board is placed on point gum workbench, drop glue condition of point gum head caused by fault or misoperation etc. can make PCB board appear point gum position deviation. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of PCB board patch point gum device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of PCB board patch point gum device, including point gum workbench, the upper portion of the point gum workbench is provided with lifting point gum mechanism, UV curing lamp box is provided on the surface of the point gum workbench, curing lamp tube is provided in the UV curing lamp box, automatic switching mechanism is provided on the side surface of the UV curing lamp box, the automatic switching mechanism includes hinged swing arm, hinged pivot, driven gear, driving rack and connecting bracket, the hinged swing arm is fixed on the side surface of UV curing lamp box, the hinged pivot is fixed on the hinged swing arm, the driven gear is fixed on the hinged pivot between two hinged swing arms, the driving rack is engaged on the driven gear, the connecting bracket is fixed on the lower end of driving rack.

[0006] It needs to be explained in the scheme that the lower end surface of the UV curing lamp box is fixed with sealing rubber strip, and the positioning slot is formed in the surface of the point gum workbench.

[0007] It is further worth mentioning that the rotating accommodation slot is formed in the surface of the point gum workbench, and the receiving rotating hole is formed in the wall body of the rotating accommodation slot on the surface of the point gum workbench.

[0008] Further need explanation is, the articulated rotating arm rotation connection in the rotation of the dispensing workbench table surface let gap, the articulated rotating shaft rotation connection in the dispensing workbench table surface let hole.

[0009] As a preferred embodiment, the seat of the dispensing workbench is provided with a lifting gap, and the connecting bracket is slidingly connected in the lifting gap of the dispensing workbench seat.

[0010] As a preferred embodiment, the dispensing workbench is fixed with a lifting bracket on one side surface, the side surface of the driving rack is fixed with a lifting slider, the lifting slider is slidingly connected on the lifting bracket, the lifting dispensing mechanism is arranged above the positioning slot of the dispensing workbench table surface, and the end of the connecting bracket away from the driving rack is fixed on the side surface of the lifting dispensing mechanism.

[0011] Compared with the prior art, the PCB patch dispensing device provided by the utility model has at least the following beneficial effects:

[0012] When the UV curing lamp box is not dispensing, the UV curing lamp box can protect the PCB board below the lifting dispensing mechanism from dripping glue, and when the dispensing is completed and the lifting dispensing mechanism is completely lifted and reset, the UV curing lamp box is automatically covered on the PCB board and directly dispenses and cures by using the curing lamp.

[0013] By means of the automatic switching mechanism, the lifting stroke of the lifting dispensing mechanism is adjusted in synchronization with the turning angle of the UV curing lamp box through cooperation of the driving rack and the driven gear, so that the UV curing lamp box can be automatically switched according to the use state of the lifting dispensing mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure perspective view of the utility model;

[0015] Figure 2 It is a UV curing lamp box structure perspective view of the utility model;

[0016] Figure 3 It is a driven gear structure perspective view of the utility model;

[0017] Figure 4 It is a rotation gap structure perspective view of the utility model.

[0018] In the drawing: 1, dispensing workbench; 2, lifting bracket; 3, lifting dispensing mechanism; 4, UV curing lamp box; 5, sealing rubber strip; 6, positioning slot; 7, rotation gap; 8, let hole; 9, articulated rotating arm; 10, articulated rotating shaft; 11, driven gear; 12, driving rack; 13, lifting slider; 14, connecting bracket; 15, lifting gap. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0020] Please see Figures 1-4 This utility model provides a PCB board mounting and dispensing device, including a dispensing worktable 1, a lifting dispensing mechanism 3 above the dispensing worktable 1, a UV curing lamp box 4 on the table surface of the dispensing worktable 1, a curing lamp tube inside the UV curing lamp box 4, and an automatic switching mechanism on one side surface of the UV curing lamp box 4. The automatic switching mechanism includes a hinged rotating arm 9, a hinged rotating shaft 10, a driven gear 11, a driving rack 12, and a connecting bracket 14. The hinged rotating arm 9 is fixed to one side surface of the UV curing lamp box 4, the hinged rotating shaft 10 is fixedly mounted on the hinged rotating arm 9, the driven gear 11 is sleeved and fixed on the hinged rotating shaft 10 between two hinged rotating arms 9, the driving rack 12 is meshed with the driven gear 11, and the connecting bracket 14 is fixed to the lower end of the driving rack 12.

[0021] Further as Figure 1 , Figure 2 and Figure 3 As shown, it is worth noting that a sealing strip 5 is fixed to the lower end of the UV curing lamp box 4, and a positioning groove 6 is provided on the table surface of the dispensing workbench 1.

[0022] Further as Figure 3 As shown, it is worth noting that a rotation relief groove 7 is provided on the surface of the dispensing worktable 1, and a rotation receiving hole 8 is provided on the wall where the rotation relief groove 7 is located on the surface of the dispensing worktable 1.

[0023] The scheme has the following working process: before use, the UV curing lamp box 4 is in a suspended state and is exposed to the positioning slot 6, then the tray with the PCB is placed into the positioning slot 6 on the workbench of the dispensing workbench 1, then the electric push rod for lifting on the lifting dispensing mechanism 3 is turned on, as the dispensing head descends, the connecting bracket 14 also descends along the lifting accommodation slot 15 of the dispensing workbench 1, at this time, the driving rack 12 at one end of the connecting bracket 14 also runs downward, since the driving rack 12 is in meshing connection with the driven gear 11, the UV curing lamp box 4 rotates and adjusts the angle on the workbench of the dispensing workbench 1 through the hinged rotating arm 9 and is completely exposed to the PCB for dispensing treatment, when the dispensing is not performed, the UV curing lamp box 4 can protect the PCB below the lifting dispensing mechanism 3 from dripping glue, when the dispensing is completed and the lifting dispensing mechanism 3 is completely lifted and reset, the UV curing lamp box 4 is automatically covered on the PCB and realizes the direct dispensing and curing treatment function by using the curing lamp.

[0024] According to the above working process, it can be known that when the dispensing is not performed, the UV curing lamp box 4 can protect the PCB below the lifting dispensing mechanism 3 from dripping glue, when the dispensing is completed and the lifting dispensing mechanism 3 is completely lifted and reset, the UV curing lamp box 4 is automatically covered on the PCB and realizes the direct dispensing and curing treatment function by using the curing lamp.

[0025] Further as shown in Figure 1 , Figure 2 and Figure 4 , it is worth noting that the hinged rotating arm 9 is rotatably connected in the rotating accommodation slot 7 on the workbench of the dispensing workbench 1, the hinged rotating shaft 10 is rotatably connected in the rotating hole 8 on the workbench of the dispensing workbench 1, when the use state of the UV curing lamp box 4 is switched, the lifting stroke of the lifting dispensing mechanism 3 is synchronized with the adjustment stroke of the turning angle of the UV curing lamp box 4 through the cooperation of the driving rack 12 and the driven gear 11, so that the function of the UV curing lamp box 4 can be automatically switched according to the use state of the lifting dispensing mechanism 3.

[0026] Further as shown in Figure 4 , it is worth noting that the lifting accommodation slot 15 is formed in the pedestal of the dispensing workbench 1, and the connecting bracket 14 is slidingly connected in the lifting accommodation slot 15 of the pedestal of the dispensing workbench 1.

[0027] Further as shown in Figure 1 , it is worth noting that the lifting bracket 2 is fixed on one side surface of the dispensing workbench 1, the lifting sliding block 13 is fixed on one side surface of the driving rack 12, the lifting sliding block 13 is slidingly connected on the lifting bracket 2, the lifting dispensing mechanism 3 is arranged above the positioning slot 6 on the workbench of the dispensing workbench 1, and one end of the connecting bracket 14 away from the driving rack 12 is fixed on one side surface of the lifting dispensing mechanism 3.

[0028] In summary: when the glue dispensing is not in progress, the UV curing lamp box 4 can protect the PCB board under the lifting glue dispensing mechanism 3 from glue dripping, when the glue dispensing is completed and the lifting glue dispensing mechanism 3 is completely lifted and reset, the UV curing lamp box 4 is automatically covered on the PCB board and the curing lamp is used to realize the direct glue dispensing curing treatment function; the lifting stroke of the lifting glue dispensing mechanism 3 is synchronous with the turning angle size adjustment stroke of the UV curing lamp box 4 through the cooperation of the driving rack 12 and the driven gear 11, so that the function of the UV curing lamp box 4 can be automatically switched according to the use state of the lifting glue dispensing mechanism 3.

[0029] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Although the embodiments of the utility model have been shown and described, the patent range of the utility model is not limited by this, and equivalent structures or equivalent process transformations using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields are all included in the patent protection range of the utility model, and the embodiments of the utility model are related to the contents of the utility model, and those skilled in the art can understand that the embodiments can be changed, modified, replaced and changed in various ways without departing from the principle and spirit of the utility model, and the range of the utility model is defined by the appended claims and their equivalents.

Claims

1. A PCB board patch dispensing device, comprising a dispensing workbench (1), characterized in that: The upper side of the dispensing workbench (1) is provided with a lifting dispensing mechanism (3), the surface of the dispensing workbench (1) is provided with a UV curing lamp box (4), the inside of the UV curing lamp box (4) is provided with a curing lamp tube, one side surface of the UV curing lamp box (4) is provided with an automatic switching mechanism, the automatic switching mechanism comprises a hinged rotating arm (9), a hinged rotating shaft (10), a driven gear (11), a driving rack (12) and a connecting bracket (14), the hinged rotating arm (9) is fixed on one side surface of the UV curing lamp box (4), the hinged rotating shaft (10) is fixed on the hinged rotating arm (9), the driven gear (11) is sleeved and fixed on the hinged rotating shaft (10) between the two hinged rotating arms (9), the driving rack (12) is engaged and connected on the driven gear (11), and the connecting bracket (14) is fixed on the lower end of the driving rack (12).

2. The PCB board paster dispensing device according to claim 1, characterized in that: The lower end surface of the UV curing lamp box (4) is fixed with a sealing rubber strip (5), and the surface of the dispensing workbench (1) is provided with a positioning slot (6).

3. The PCB board paster dispensing device according to claim 2, characterized in that: The surface of the dispensing workbench (1) is provided with a rotating accommodation slot (7), and the wall body where the rotating accommodation slot (7) is located on the surface of the dispensing workbench (1) is provided with a rotating hole (8).

4. The PCB board paster dispensing device according to claim 3, characterized in that: The hinged rotating arm (9) is rotatably connected in the rotating accommodation slot (7) of the surface of the dispensing workbench (1), and the hinged rotating shaft (10) is rotatably connected in the rotating hole (8) of the surface of the dispensing workbench (1).

5. The PCB board paster dispensing device according to claim 4, characterized in that: The base of the dispensing workbench (1) is provided with a lifting accommodation slot (15), and the connecting bracket (14) is slidably connected in the lifting accommodation slot (15) of the base of the dispensing workbench (1).

6. The PCB board paster dispensing device according to claim 5, characterized in that: One side surface of the dispensing workbench (1) is fixed with a lifting bracket (2), one side surface of the driving rack (12) is fixed with a lifting sliding block (13), the lifting sliding block (13) is slidably connected on the lifting bracket (2), the lifting dispensing mechanism (3) is arranged above the positioning slot (6) of the surface of the dispensing workbench (1), and one end of the connecting bracket (14) away from the driving rack (12) is fixed on one side surface of the lifting dispensing mechanism (3).