Turnover mechanism for PCB welding and dispensing

Abstract

The utility model relates to the technical field of PCB (printed circuit board) turnover mechanisms, and discloses a PCB welding and dispensing turnover mechanism which comprises a mounting plate, a support frame is fixedly mounted at the top of the mounting plate, a rotary turnover mechanism is arranged in the support frame, a positioning and fixing mechanism is arranged on the front surface of the rotary turnover mechanism, a PCB body is arranged on the inner side of the positioning and fixing mechanism, and the PCB body is arranged on the inner side of the PCB body. The positioning and fixing mechanism comprises a transverse positioning assembly and a longitudinal positioning assembly. According to the turnover mechanism for PCB welding and dispensing, through the arranged positioning and fixing mechanism, in the using process, four corners of a PCB body are positioned and fixed through four sliding clamps, meanwhile, through four adjustable sliding clamp structures, the turnover mechanism can be adaptively adjusted according to the PCB bodies of different specifications, and the turnover mechanism is convenient to use. Therefore, the PCB body does not need to be fixed through a specific tool, the trouble of replacing a PCB tool is avoided, and meanwhile the cost expenditure of the PCB tool is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board turnover mechanisms, in particular to a PCB board welding and glue dispensing turnover mechanism. Background Art

[0002] PCB, also known as printed circuit board, is an important electronic component, a support for electronic components, and a provider of electrical connections for electronic components. During the processing of PCB, soldering and gluing are required. In order to cooperate with the soldering and gluing operation, a flipping mechanism is required to flip the PCB.

[0003] According to the description in the PCB board welding dispensing flipping mechanism disclosed on the patent website (authorization announcement number: CN 211909314U), "the utility model relates to the technical field of PCB board production equipment, and in particular to a PCB board welding dispensing flipping mechanism, including a bracket and a first positioning column and a second positioning column for positioning a PCB board tooling, the bracket is slidingly provided with opposite first side panels and second side panels along its two longitudinal sides, and a first driving mechanism for controlling the sliding of the first side panel and the second side panel is provided on the bracket, the first positioning column is arranged on the first side panel, and the second positioning column is arranged on the second side panel. When the utility model is in use, the second driving mechanism drives the first positioning column to approach or move away from the second positioning column to achieve clamping or loosening of the PCB board, and then the third driving mechanism and the fourth driving mechanism respectively drive the first positioning column and the second positioning column to rotate, thereby realizing the flipping of the PCB board, the first driving mechanism controls the longitudinal displacement of the PCB board, so that the PCB board tooling is displaced in multiple directions, meeting the welding dispensing needs of the PCB board, and ensuring that the welding dispensing of the PCB board is stable and reliable."

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During use, the utility model fixes the PCB board on the tooling, and then drives the PCB board tooling to rotate through the driving mechanism, so as to realize the flipping and switching of the PCB board. However, in actual use, the PCB board tooling can only adapt to PCB boards of one specification. Therefore, when PCB boards of different specifications need to be processed, it is necessary to replace the PCB board tooling that matches it. Not only is the replacement time-consuming and labor-intensive, but different PCB board tooling needs to be selected for different PCB boards, which increases the production cost. Therefore, it is necessary to improve a flipping mechanism for PCB board welding and dispensing to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a flip mechanism for soldering and dispensing glue on a PCB board to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flipping mechanism for PCB board welding and dispensing, comprising a mounting plate, a support frame is fixedly mounted on the top of the mounting plate, a rotating flipping mechanism is arranged inside the support frame, a positioning and fixing mechanism is arranged on the front side of the rotating flipping mechanism, and a PCB board body is arranged on the inner side of the positioning and fixing mechanism.

[0008] The positioning and fixing mechanism comprises a transverse positioning component and a longitudinal positioning component. The transverse positioning component is arranged on the front side of the rotating and flipping mechanism, and the longitudinal positioning component is arranged on the front side of the transverse positioning component.

[0009] Preferably, the rotating and flipping mechanism includes a rotating cylinder, which is rotatably mounted inside a support frame, an inner gear ring is provided inside the rotating cylinder, a first motor is fixedly mounted on the back of the support frame, a first gear is fixedly mounted on the output end of the first motor, and the first gear is meshed with the inner gear ring, a connecting rod is fixedly mounted on the front side of the rotating cylinder, and a retaining ring is fixedly mounted on the back side of the rotating cylinder, so as to facilitate the rotation and flipping of the PCB board body.

[0010] Preferably, through holes are provided at corresponding positions of the support frame and the rotating cylinder, and the rotating cylinder passes through the through holes and is rotatably installed inside the through holes, so that the rotating cylinder can rotate by passing through the support frame.

[0011] Preferably, the lateral positioning assembly includes a mounting frame, which is fixedly mounted on the end of the connecting rod away from the rotating cylinder, a second motor is fixedly mounted on the back of the mounting frame, a second gear is fixedly mounted on the output end of the second motor, a sliding frame is slidably mounted inside the mounting frame, and a toothed plate is fixedly mounted on the inner side of the sliding frame, so as to facilitate lateral positioning and fixation of the PCB board body.

[0012] Preferably, two of the sliding frames and two of the tooth plates are provided, the two tooth plates are installed opposite to each other in an offset manner, and the second gear is meshed between the two tooth plates, through grooves are provided at corresponding positions of the sliding frame and the opposite tooth plates, and the tooth plates pass through the through grooves, so that the two sliding frames can be driven by the second gear to slide in opposite directions synchronously.

[0013] Preferably, the longitudinal positioning component includes a sliding clamp, which is slidably installed inside the sliding frame, a third motor is fixedly installed on the front side of the sliding frame, and a bidirectional threaded rod is fixedly installed on the output end of the third motor, so as to facilitate longitudinal positioning and fixation of the PCB board body.

[0014] Preferably, four sliding clamps are provided, and two sliding clamps are respectively provided inside the two sliding frames, and the two sliding clamps inside the same sliding frame are respectively threadedly installed on the outside of the two ends of the bidirectional threaded rod in opposite thread directions, and the PCB board body is arranged between the four sliding clamps to facilitate the two sliding clamps to slide synchronously in opposite directions.

[0015] Compared with the prior art, the utility model provides a flip mechanism for PCB board welding and dispensing, which has the following beneficial effects:

[0016] 1. The flip mechanism for PCB board welding and dispensing has a positioning and fixing mechanism. During use, four sliding clamps are used to position and fix the four corners of the PCB board body. At the same time, four adjustable sliding clamp structures are used to adjust the PCB board body according to different specifications, so that there is no need to use specific tooling to fix the PCB board body, which avoids the trouble of replacing the PCB board tooling and saves the cost of the PCB board tooling.

[0017] 2. The flipping mechanism for welding and dispensing of the PCB board is provided with a rotating flipping mechanism. During use, the first motor cooperates with the inner gear ring to drive the rotating cylinder to rotate, so that the rotating cylinder drives the installation frame to rotate, and then the PCB board body is rotated and flipped. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0019] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0020] Figure 2 This is a rear view structural diagram of the utility model;

[0021] Figure 3 This is a schematic diagram of the exploded structure of the rotating cylinder and the connected mechanism of the utility model;

[0022] Figure 4 This is a schematic diagram of the appearance and structure of the installation frame and the connected mechanism of the utility model;

[0023] Figure 5 This is a rear view structural diagram of the sliding frame and the connected mechanism of the utility model;

[0024] Figure 6 It is a schematic diagram of a top view of the structure of the sliding frame and the connected mechanism of the utility model.

[0025] In the figure: 1. mounting plate; 2. support frame; 3. rotating and flipping mechanism; 31. rotating cylinder; 32. inner gear ring; 33. retaining ring; 34. first motor; 35. first gear; 36. connecting rod; 4. positioning and fixing mechanism; 41. horizontal positioning assembly; 411. mounting frame; 412. second motor; 413. second gear; 414. sliding frame; 415. tooth plate; 42. longitudinal positioning assembly; 421. sliding clamp; 422. third motor; 423. bidirectional threaded rod; 5. PCB board body. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Embodiment 1:

[0029] See also Figure 1-3 The utility model provides a technical solution: a flip mechanism for PCB board welding and dispensing, comprising a mounting plate 1, a support frame 2 is fixedly mounted on the top of the mounting plate 1, a rotating flip mechanism 3 is arranged inside the support frame 2, a positioning and fixing mechanism 4 is arranged on the front of the rotating flip mechanism 3, and a PCB board body 5 is arranged on the inner side of the positioning and fixing mechanism 4.

[0030] Furthermore, the rotating and flipping mechanism 3 includes a rotating cylinder 31, which is rotatably installed inside the support frame 2, and an inner gear ring 32 is provided inside the rotating cylinder 31. A first motor 34 is fixedly installed on the back of the support frame, and a first gear 35 is fixedly installed on the output end of the first motor 34, and the first gear 35 is meshed with the inner gear ring 32. A connecting rod 36 is fixedly installed on the front of the rotating cylinder 31, and a retaining ring 33 is fixedly installed on the back of the rotating cylinder 31, so as to facilitate the rotation and flipping of the PCB board body 5.

[0031] Furthermore, through holes are provided at corresponding positions of the support frame 2 and the rotating cylinder 31 , and the rotating cylinder 31 passes through the through holes and is rotatably installed inside the through holes, so that the rotating cylinder 31 passes through the support frame 2 to rotate.

[0032] Embodiment 2:

[0033] See also Figure 4-6 In combination with the first embodiment, it is further obtained that the positioning and fixing component 4 includes a lateral positioning component 41 and a longitudinal positioning component 42 . The lateral positioning component 41 is arranged on the front side of the rotating and flipping mechanism 3 , and the longitudinal positioning component 42 is arranged on the front side of the lateral positioning component 41 .

[0034] Furthermore, the lateral positioning assembly includes a mounting frame 411, which is fixedly mounted on the end of the connecting rod 36 away from the rotating cylinder 31, a second motor 412 is fixedly mounted on the back of the mounting frame 411, a second gear 413 is fixedly mounted on the output end of the second motor 412, a sliding frame 414 is slidably mounted inside the mounting frame 411, and a tooth plate 415 is fixedly mounted on the inner side of the sliding frame 414, so as to facilitate the lateral positioning and fixation of the PCB board body 5.

[0035] Furthermore, two sliding frames 414 and two tooth plates 415 are provided, the two tooth plates 415 are installed in an opposite and staggered manner, and the second gear 413 is engaged between the two tooth plates 415. Through grooves are opened at corresponding positions of the sliding frame 414 and the opposite tooth plates 415, and the tooth plates 415 pass through the through grooves, so that the two sliding frames 414 are driven by the second gear 413 to slide in the opposite directions synchronously.

[0036] Furthermore, the longitudinal positioning component includes a sliding clamp 421, which is slidably installed inside the sliding frame 414. A third motor 422 is fixedly installed on the front of the sliding frame 414, and a bidirectional threaded rod 423 is fixedly installed on the output end of the third motor 422, which is convenient for longitudinal positioning and fixing of the PCB board body 5.

[0037] Furthermore, four sliding clamps 421 are provided, and two sliding clamps 421 are respectively provided inside the two sliding frames 414, and the two sliding clamps 421 inside the same sliding frame 414 are respectively threadedly installed on the outside of the two ends of the bidirectional threaded rod 423 with opposite thread directions, and the PCB board body 5 is arranged between the four sliding clamps 421, so as to facilitate the synchronous reverse sliding of the two sliding clamps 421.

[0038] In actual operation, when the device is used, the second gear 413 is driven to rotate by the second motor 412, so that the second gear 413 drives the two sliding frames 414 to slide synchronously inwards inside the installation frame 411 through the meshing tooth plate 415, and at the same time, the bidirectional threaded rod 423 is driven by the third motor 422, so that the bidirectional threaded rod 423 drives the two sliding clamps 421 to slide synchronously inwards inside the sliding frame 414, so that the sliding clamps 421 position, clamp and fix the PCB board body 5;

[0039] When flipping, the first motor 34 drives the first gear 35 to rotate, so that the first gear 35 drives the rotating cylinder 31 to rotate inside the support frame 2 through the meshing inner ring 32, so that the rotating cylinder 31 drives the installation frame 411 to rotate and flip through the connecting rod 36, so that the installation frame 411 drives the PCB board body 5 clamped on the inner side of the sliding frame 414 to rotate and flip.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A turning mechanism for soldering and dispensing glue on a PCB, comprising a mounting plate (1), characterized in that: A support frame (2) is fixedly mounted on the top of the mounting plate (1); a rotating and flipping mechanism (3) is arranged inside the support frame (2); a positioning and fixing mechanism (4) is arranged on the front of the rotating and flipping mechanism (3); and a PCB board body (5) is arranged on the inner side of the positioning and fixing mechanism (4); The positioning and fixing mechanism (4) comprises a transverse positioning component (41) and a longitudinal positioning component (42); the transverse positioning component (41) is arranged on the front side of the rotating and flipping mechanism (3); and the longitudinal positioning component (42) is arranged on the front side of the transverse positioning component (41).

2. A flip mechanism for PCB board welding and dispensing according to claim 1, characterized in that: The rotating and flipping mechanism (3) comprises a rotating cylinder (31), the rotating cylinder (31) is rotatably mounted inside a support frame (2), an inner gear ring (32) is arranged inside the rotating cylinder (31), a first motor (34) is fixedly mounted on the back of the support frame, a first gear (35) is fixedly mounted on the output end of the first motor (34), and the first gear (35) is meshed with the inner gear ring (32), a connecting rod (36) is fixedly mounted on the front of the rotating cylinder (31), and a retaining ring (33) is fixedly mounted on the back of the rotating cylinder (31).

3. A flip mechanism for PCB board welding and dispensing according to claim 2, characterized in that: Through holes are provided at corresponding positions of the support frame (2) and the rotating cylinder (31), and the rotating cylinder (31) passes through the through holes and is rotatably mounted inside the through holes.

4. The flip mechanism for PCB board welding and dispensing according to claim 2, characterized in that: The lateral positioning assembly comprises a mounting frame (411), wherein the mounting frame (411) is fixedly mounted on one end of the connecting rod (36) away from the rotating cylinder (31), a second motor (412) is fixedly mounted on the back of the mounting frame (411), a second gear (413) is fixedly mounted on the output end of the second motor (412), a sliding frame (414) is slidably mounted inside the mounting frame (411), and a toothed plate (415) is fixedly mounted on the inner side of the sliding frame (414).

5. The flip mechanism for PCB board welding and dispensing according to claim 4 is characterized in that: The sliding frame (414) and the tooth plate (415) are both provided with two, the two tooth plates (415) are installed in an opposite and staggered manner, and the second gear (413) is meshed between the two tooth plates (415), and through grooves are provided at corresponding positions of the sliding frame (414) and the opposite tooth plates (415), and the tooth plates (415) pass through the through grooves.

6. The flip mechanism for PCB board welding and dispensing according to claim 5, characterized in that: The longitudinal positioning assembly comprises a sliding clamp (421), wherein the sliding clamp (421) is slidably mounted inside a sliding frame (414), a third motor (422) is fixedly mounted on the front side of the sliding frame (414), and a bidirectional threaded rod (423) is fixedly mounted on the output end of the third motor (422).

7. The flip mechanism for PCB board welding and dispensing according to claim 6, characterized in that: Four sliding clamps (421) are provided, and two sliding clamps (421) are respectively provided inside the two sliding frames (414), and the two sliding clamps (421) inside the same sliding frame (414) are respectively threadedly mounted on the outside of two ends of the bidirectional threaded rod (423) in opposite thread directions, and the PCB board body (5) is arranged between the four sliding clamps (421).

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