CN210071701U - Light source lifting device and connecting line type AOI equipment - Google Patents

Abstract

The utility model relates to a light source lifting device and a connecting AOI device, which comprises a fixed plate matched with a frame of the connecting AOI device in a sliding way, an imaging system which can be arranged at the upper end of the fixed plate in a sliding way, a light source system which is fixedly arranged at the lower end of the fixed plate and roller shaft transmission systems which are arranged at the two sides of the lower end of the light source system, the light source system comprises a fixed frame, at least one hooking piece is arranged at the rear end of the fixed frame in a linkage manner, the hooking piece comprises a hooking part and a fixing part, the fixing part is fixedly arranged on the fixing frame, an upper roll shaft of the roll shaft transmission system positioned at the rear side of the light source system is overlapped on the hooking part, and the hooking piece which moves along with the lifting of the light source is utilized, when the light source rises, the distance between the roll shafts behind the light source can be raised in a compensating mode, and the phenomenon that the thick plate is poor in imaging effect due to the fact that the thick plate is likely to be jammed in the advancing process is avoided.

Description

Light source lifting device and connecting line type AOI equipment

Technical Field

The utility model relates to a circuit board check out test set field, concretely relates to light source elevating gear and line connection formula AOI equipment.

Background

AOI, an automatic optical inspection machine, is an apparatus for inspecting common defects encountered in welding production based on optical principles. When the automatic detection is carried out, the machine automatically scans the PCB through the camera, acquires images, compares the tested welding spots with qualified parameters in the database, inspects the defects of the PCB through image processing, and displays the defects through a display or an automatic mark for maintenance personnel to repair.

And the thickness of different panels is different, carry out image acquisition to the panel of different thickness, need adjust the height of light source, satisfy the formation of image focusing requirement of the panel of different thickness, and current line connection formula AOI equipment has light source raising and lowering functions, but to some roller formula transmission methods, distance between two rollers can bring different problems according to the thickness of panel, be slightly thicker than the distance between the two like panel, panel has certain pause and frustrates at the in-process that advances, the pause of panel before the formation of image process can not influence the formation of image effect of circuit board, but the roller of rear side is frustrated the influence to panel, can lead to appearing pause in the formation of image process, thereby can influence PCB's formation of image effect.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a light source elevating gear and line formula AOI equipment.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a light source elevating gear, its includes with the frame of line connection type AOI equipment slide complex fixed plate, can slide and set up imaging system, the fixed light source system that sets up at the fixed plate lower extreme and set up the roller transmission system in the light source system lower extreme both sides on the fixed plate upper end, light source system includes the mount, the linkage of mount rear end sets up at least one and colludes and holds the piece, collude and hold the piece including colluding portion and fixed part, the fixed part is fixed to be set up on the mount, and the last roller that is located the roller transmission system of light source system rear side is taken and is established in colluding portion.

And a gap is arranged between the hooking part and the rotating shaft of the upper roll shaft.

The fixing frame is provided with two hooking pieces which are arranged side by side.

The fixed frame is provided with a positioning piece corresponding to the hooking piece.

The positioning piece is an L-shaped positioning piece.

The hooking piece is detachably and fixedly arranged on the fixed frame.

The rear end of the fixing frame is provided with a first positioning rod, the rack is correspondingly provided with a second positioning rod, and an elastic piece is arranged between the first positioning rod and the second positioning rod.

A connecting line type AOI equipment provided with the light source lifting device comprises a rack and the light source lifting device.

The utility model has the advantages that: the utility model has the advantages of utilize along with the light source lift simultaneous action collude the holder, when the light source rose, can the offset-type raise be in the distance between the roller of light source rear side, avoided the thick plate probably to be in the pause of the in-process of marcing to be frustrated, lead to the not good phenomenon of formation of image effect to appear.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a front view of the light source lifting device of the present invention.

Fig. 4 is a schematic structural view of the fixing frame of the present invention.

Fig. 5 is an enlarged schematic view of a point a in fig. 4.

Fig. 6 is a schematic structural view of the hook member.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a light source elevating gear, it includes and slides complex fixed plate 2 with frame 1 of line formula AOI equipment, fixed plate 2 is connected with frame 1 through the subassembly that slides, axial sets up a plurality of guide rails on the frame 1, 2 rear sides of fixed plate set up a plurality of sliders with guide rail looks adaptation, and both constitute the cooperation of sliding. The utility model discloses a position indication's fixed plate, including frame, motor, fixed plate, indicating piece, sensor, frame upper end sets up the motor, the motor constitutes lead screw transmission cooperation with the driving piece of fixed plate rear side, sets up the indicating part in arbitrary one side of fixed plate simultaneously, sets up a plurality of sensors along indicating part slip direction on, rises or descends the in-process through the indicating part and triggers corresponding sensor and realize position indication's effect.

The imaging system 3 that can slide the setting in the fixed plate upper end, the fixed plate upper end sets up imaging system promptly, and this imaging system includes the mechanism of making a video recording, wherein sets up the guide rail on the fixed plate, and the camera passes through the slider and constitutes the cooperation of sliding with the guide rail of fixed plate, and sets up lead screw adjustment mechanism simultaneously, can adjust the position of camera through accommodate the lead screw adjustment mechanism.

The light source system 4 is fixedly arranged at the lower end of the fixing plate and comprises a fixing frame and a light source assembly, the light source assembly is supported by the fixing frame, the fixing frame and the lower end of the fixing plate are fixedly arranged, and the fixing frame can be driven to move up and down by up-and-down sliding of the fixing plate.

The roller transmission system 5 is arranged on two sides of the lower end of the light source system and comprises a plurality of groups of rollers which are arranged in an upper-lower layered mode, a conveying space of the PCB is formed between the rollers which are arranged in the upper-lower layered mode, and the PCB can be driven to advance by the rollers.

The rear end of the fixed frame 8 is provided with at least one hooking piece in a linkage way, namely the hooking piece is fixedly arranged at the rear end of the fixed frame or at the two sides of the rear end of the fixed frame, the hooking piece comprises a hooking part and a fixing part, the fixing part 12 is fixedly arranged on the fixing frame, an upper roll shaft of a roll shaft transmission system positioned at the rear side of the light source system is overlapped on the hooking part 13, when the fixed frame rises, the fixed frame drives the hooking piece to act, and simultaneously, as the upper roll shaft is overlapped on the hooking part of the hooking piece, the hooking piece drives the roll shaft to lift, so that the conveying space between the two is increased, the operation requirement of the thick plate can be met, and the roll shaft at the front side does not need to be lifted, because when the front end plate enters, it does not need to consider the setback, so the roller shaft at the front end does not need to be lifted, the transmission space between the roller shafts at the rear side directly influences the transmission fluency of the PCB, and the fluency during the transmission can directly influence the imaging effect of the PCB positioned at the lower side of the camera shooting mechanism.

Be equipped with clearance 11 between the pivot of portion of colluding and last roller, and in order to guarantee that the clamp force between the roller of rear side is enough, consequently, the lifting height of going up the roller is less than light source system's lifting height slightly, consequently, set up the 3mm clearance between portion of colluding and the last roller, light source system lifting 3mm back promptly, this portion of colluding just can drive the roller action, thereby the lifting height of roller is less than light source system in the realization, consequently when light source system satisfies the thickness of PCB plate, the clamp force between the roller that is in the rear side can also guarantee the conveying of PCB board.

The fixing frame is provided with two hooking pieces 10 which are arranged side by side, and the hooking pieces are arranged side by side along the front and back of the advancing direction of the PCB and respectively control the lifting actions of two upper roll shafts positioned at the rear side of the fixing frame.

The fixing frame is provided with a positioning part 9 corresponding to the position of the hooking part, the positioning part is fixedly arranged on one side of the fixing frame and used for positioning and installing the hooking part, after the hooking part is disassembled, the hooking part can be directly and directly installed according to the position of the positioning part, and the installation accuracy is higher.

The locating piece is L type locating piece, plays axial and horizontal position restriction, and when the installation colluded the piece, can be directly colluded the both edges and the locating piece contact of holding the piece, direct locking colludes the piece can.

Collude and hold a fixed setting of dismantling on the mount, when light source system or other positions broke down, can collude through dismantling and hold a piece for the fixed plate rises to the maintenance position, thereby better maintains or maintains whole system.

The rear end of the fixing frame is provided with a first positioning rod 7, the rack is correspondingly provided with a second positioning rod 6, an elastic part is arranged between the first positioning rod and the second positioning rod, the elastic part adopts a spring, and the spring between the second positioning rod and the first positioning rod of the rack is utilized to play a role in reducing weight, so that the weight of the whole light source lifting device is prevented from being supported by a guide rail.

A connecting line type AOI equipment provided with the light source lifting device comprises a rack and the light source lifting device.

The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.

Claims (8)

1. A light source lifting device is characterized in that: it includes with the frame of line formula AOI equipment slide complex fixed plate, can slide and set up imaging system, the fixed light source system that sets up at the fixed plate lower extreme and set up the roller transmission system in the light source system lower extreme both sides of fixed plate upper end, light source system includes the mount, the linkage of mount rear end sets up at least one and colludes and hold the piece, collude and hold the piece including colluding and hold portion and fixed part, the fixed setting of fixed part is on the mount, and the last roller that is located the roller transmission system of light source system rear side is taken and is established on colluding and hold the portion.

2. The light source lifting device according to claim 1, wherein: and a gap is arranged between the hooking part and the rotating shaft of the upper roll shaft.

3. The light source lifting device according to claim 1, wherein: the fixing frame is provided with two hooking pieces which are arranged side by side.

4. The light source lifting device according to claim 1, wherein: the fixed frame is provided with a positioning piece corresponding to the hooking piece.

5. The light source lifting device according to claim 4, wherein: the positioning piece is an L-shaped positioning piece.

6. The light source lifting device according to claim 1, wherein: the hooking piece is detachably and fixedly arranged on the fixed frame.

7. The light source lifting device according to claim 1, wherein: the rear end of the fixing frame is provided with a first positioning rod, the rack is correspondingly provided with a second positioning rod, and an elastic piece is arranged between the first positioning rod and the second positioning rod.

8. A tethered AOI device provided with a light source lifting device as claimed in any of claims 1 to 7 comprising a frame, characterized in that: it is still equipped with above-mentioned light source elevating gear.

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