Transmission positioning mechanism of circuit board appearance inspection device

Abstract

The utility model discloses a transmission positioning mechanism of a circuit board appearance inspection device, which comprises a mounting frame and a positioning frame, the section of the positioning frame is J-shaped, the bottom of the positioning frame is rotatably connected with the mounting frame, the mounting frame is further provided with a propelling cylinder, and two ends of the propelling cylinder are respectively and movably connected with the mounting frame and the positioning frame. A vertical frame body is further arranged at the side end of the mounting frame, a movable seat and a lifting air cylinder in linkage connection with the movable seat are connected to the vertical frame body in a sliding mode, a nitrogen spring and a pressing block at the bottom of the nitrogen spring are arranged on the movable seat, and an embedded position hole is further formed in the positioning frame. According to the utility model, the positioning frame is arranged, the positioning frame is used for supporting the circuit board, the positioning frame can clamp and fix the circuit board, the pushing cylinder pushes the positioning frame to achieve an overturning effect, the lifting cylinder drives the pressing block to move downwards, the pressing block presses the circuit board to achieve a positioning effect, and the circuit board is kept in a vertical state; in other words, the pseudo-welded components can deviate and are finally detected by the visual detection module.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning mechanism technical field, concretely is transmission positioning mechanism of circuit board appearance inspection device. BACKGROUND

[0002] With the rapid development of electronic technology, the market demand of electronic products presents explosive growth. For example, the replacement speed of smart mobile phone, tablet computer and other consumer electronic products is extremely fast, and the demand quantity of circuit board is huge. After the production of circuit board, it needs to be detected by vision, and under general circumstances, it is detected by the top-down vision detection mode, that is, the circuit board needs to be in a flat state, and is conveyed by a transmission belt, and part of the virtual soldering components will not easily deviate from the position under the condition of gravity, and it is difficult to find the virtual soldering condition. That is, the circuit board needs to be turned over to keep it in a vertical state, that is, the virtual soldering component will be offset, and finally detected by a vision detection module. UTILITY MODEL CONTENT

[0003] The utility model discloses a transmission positioning mechanism of circuit board appearance inspection device, solves the problem raised in the above background technology.

[0004] In order to achieve the above object, the utility model provides the following technical scheme: transmission positioning mechanism of circuit board appearance inspection device, including mounting frame and the positioning frame that is movably connected with mounting frame, the positioning frame cross section is "J" shape, the bottom of positioning frame is rotatably connected with mounting frame, still be provided with the push air cylinder on the mounting frame, and the fixed end of push air cylinder is movably connected with mounting frame, the movable end of push air cylinder is movably connected with positioning frame, still be provided with vertical frame body on the side end of mounting frame, the sliding connection of movable seat is formed on the vertical frame body, be provided with nitrogen spring on movable seat, the bottom of nitrogen spring is connected with pressure block, still be provided with the lifting cylinder that is connected with movable seat linkage on the vertical frame body, still be provided with embedding type hole on the positioning frame.

[0005] Preferably, the positioning frame is provided with a stop portion on both sides.

[0006] Preferably, the vertical frame body is provided with a sliding rail, and the sliding rail is slidably connected with the movable seat.

[0007] Preferably, the bottom of the pressure block is provided with an included angle structure.

[0008] Preferably, the pressure block is made of soft rubber material.

[0009] Preferably, the nitrogen spring is provided with at least two, and the at least two nitrogen springs are arranged in parallel, and the at least two nitrogen springs are connected with a pressure block.

[0010] Preferably, the positioning frame is made of high-transparency acrylic material.

[0011] Compared with the prior art, the utility model has the beneficial effects as follows:

[0012] The utility model discloses a vertical frame body, nitrogen gas spring, pressure block, lifting cylinder, positioning frame, mounting frame, slide rail, clamping angle structure, embedded type hole, movable seat, push cylinder, crotch part, the vertical frame body is used for supporting circuit board, and the positioning frame section is " J " shape and can be clamped fixed circuit board, and positioning frame is pushed by the push cylinder, reaches the turning effect, lifting cylinder drives the pressure block to move down, and the pressure block is pressed tightly circuit board, reaches the positioning effect, makes circuit board keep perpendicular state, and the virtual welding component will produce the deviation, finally supplies visual detection module detection. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the structural schematic diagram of the utility model;

[0014] Fig. 2 It is the front view of the utility model.

[0015] The reference signs and names in the drawing are as follows:

[0016] 1, mounting frame, 2, positioning frame, 3, push cylinder, 4, vertical frame body, 5, movable seat, 6, nitrogen gas spring, 7, pressure block, 8, lifting cylinder, 9, embedded type hole, 10, crotch part, 11, slide rail, 12, clamping angle structure. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of protection of the utility model.

[0018] In the description of the utility model, it is understood that the orientation or position relation indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "inner", "outer" and the like is the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore, it can not be understood as the limitation of the utility model. In addition, the terms "first", "second" are only for the description purpose, and can not be understood as indicating or implying relative importance.

[0019] Please refer to Figs. 1-2The utility model provides a kind of transmission positioning mechanism of circuit board appearance inspection device in an embodiment of the utility model: including mounting frame 1 and the positioning frame 2 being movably connected with mounting frame 1, wherein, positioning frame 2 section is "J" shape, positioning frame 2 can be clamped fixed circuit board, positioning frame 2 bottom is rotatably connected with mounting frame 1, mounting frame 1 is also provided with advancing cylinder 3, the fixed end of advancing cylinder 3 is movably connected with mounting frame 1, the movable end of advancing cylinder 3 is movably connected with positioning frame 2, advancing cylinder 3 can drive positioning frame 2 to do overturn action, mounting frame 2 side end is also provided with vertical frame body 4, vertical frame body 4 is slidably connected with movable seat 5, movable seat 5 is provided with nitrogen spring 6, nitrogen spring 6 bottom is connected with pressure block 7, vertical frame body 5 is also provided with the lifting cylinder 8 being linked with movable seat 5, lifting cylinder 8 can drive movable seat 5 to slide up and down, positioning frame 2 is also provided with embedded type hole 9, circuit board protruding portion can be inserted into embedded type hole 9 to further improve the positioning effect of circuit board and positioning frame 2, lifting cylinder 8 drives pressure block 7 to move downwards, and pressure block 7 is pressed tightly circuit board, reach positioning effect, so that circuit board keeps vertical state, that is, the component of virtual welding will produce deviation, finally for visual detection module detects.

[0020] Further, nitrogen spring 6 can prevent pressure block 7 from being pressed down and damaging circuit board, and nitrogen spring 6 has no excess resilience compared with traditional spring, so that the shaking of circuit board caused by resilience can be prevented, and the detection accuracy of visual detection module is further improved.

[0021] Further, positioning frame 2 is provided with blocking portion 10 on both sides, and the blocking portion 10 can block the two sides of the circuit board, so that the positioning effect of the circuit board and the positioning frame 2 is further improved.

[0022] In the embodiment, two slide rails 11 are provided on the vertical frame body 4, the two slide rails 11 are slidably connected with the movable seat 5, and the two slide rails 11 are parallel to each other, so that the accuracy and smoothness of the movable seat 5 in up and down movement are improved.

[0023] In the embodiment, the bottom of the pressure block 7 is provided with an included angle structure 12, and the included angle structure 12 can engage the top of the circuit board.

[0024] In the embodiment, the pressure block 7 is made of soft rubber material, which can further prevent the circuit board from being damaged.

[0025] In the embodiment, the nitrogen spring 6 is provided with at least two, and the at least two nitrogen springs 6 are arranged in parallel and connected with the pressure block 7, so that the accuracy of the pressure block 7 in up and down movement is improved.

[0026] In the embodiment, the positioning frame 2 is made of high-transparency acrylic material, and the high-transparency acrylic material is transparent, so that the visual detection module can detect the front and back surfaces of the circuit board at the same time.

[0027] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A transmission positioning mechanism of a circuit board appearance inspection device, comprising a mounting frame (1) and a positioning frame (2) movably connected with the mounting frame (1), characterized in that: The positioning frame (2) is in the shape of "J" section, the bottom of the positioning frame (2) is rotatably connected with the mounting frame (1), the mounting frame (1) is further provided with a pushing cylinder (3), the fixed end of the pushing cylinder (3) is movably connected with the mounting frame (1), the movable end of the pushing cylinder (3) is movably connected with the positioning frame (2), the side end of the mounting frame (1) is further provided with a vertical frame body (4), the vertical frame body (4) is slidably connected with a movable seat (5), the movable seat (5) is provided with a nitrogen spring (6), the bottom of the nitrogen spring (6) is connected with a pressing block (7), the vertical frame body (4) is further provided with a lifting cylinder (8) which is connected with the movable seat (5), the positioning frame (2) is further provided with an embedded type hole (9).

2. The transmission positioning mechanism of the circuit board appearance inspection apparatus according to claim 1, characterized by: The positioning frame (2) is provided with a blocking portion (10) on both sides.

3. The transmission positioning mechanism of the circuit board appearance inspection apparatus according to claim 1, characterized by: The vertical frame body (4) is provided with a sliding rail (11), and the sliding rail (11) is slidably connected with the movable seat (5).

4. The transmission positioning mechanism of the circuit board appearance inspection apparatus according to claim 1, characterized by: The bottom of the pressing block (7) is provided with an included angle structure (12).

5. The transport positioning mechanism of the circuit board appearance inspection apparatus according to any one of claims 1 or 4, characterized by: The pressing block (7) is made of soft rubber material.

6. The drive positioning mechanism of the circuit board appearance inspection apparatus according to claim 1, characterized by: The nitrogen spring (6) is provided with at least two, and the at least two nitrogen springs (6) are arranged in parallel and connected with a pressing block (7).

7. The drive positioning mechanism of the circuit board appearance inspection apparatus according to claim 1, characterized by: The positioning frame (2) is made of high-transparency acrylic material.

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