CN114906586A - Clamping jaw assembly, conveying mechanism and AOI detection equipment - Google Patents

Abstract

The invention discloses a clamping jaw assembly, a conveying mechanism and an AOI detection device, wherein the clamping jaw assembly is applied to the conveying mechanism of the AOI detection equipment, the clamping jaw assembly is used for clamping a material box equipped with an IC plastic package, and the clamping jaw assembly It includes a fixing plate, a clamping plate and a pressing plate, the clamping plate is fixedly installed on the fixing plate, the pressing plate is movably arranged on the fixing plate, and is arranged on one side of the clamping plate along the length direction of the fixing plate. A clamping space for clamping the material box is formed, and the side of the pressure plate facing the clamping space is provided with a rotating structure, and the rotating structure has an arc surface. When the pressure plate moves toward the clamping space, the arc surface abuts against the material. box, so that the rotating structure rotates in the direction of the clamping space, so as to push the material box to move into the clamping space, so that even if the position of the material box in the clamping plate is not accurate, the pressing plate can hold the material during the pressing process. The cartridge is pushed into the gripping space, which improves the stability of the gripper assembly when gripping the cartridge.

Description

Gripper assembly, conveying mechanism and AOI testing equipment

technical field

The invention relates to the technical field of AOI detection, in particular to a clamping jaw assembly, a conveying mechanism and an AOI detection device.

Background technique

In the existing conveying mechanism for a material box containing an IC (Integrated Circuit, integrated circuit) plastic package, the gripper assembly needs to clamp the IC plastic package during the conveying process, and send it to the inspection worker on the moving component. Bit for AOI (Automated Optical Inspection, automatic optical inspection) detection equipment for detection.

However, in the current structure of the clamping jaw assembly, the material box is first clamped in the clamping plate, and then the material box is positioned and fixed by the flat plate. However, this structure easily causes the material box to be in the clamping plate. The placement position will be inaccurate, so that after the pressure plate is positioned to fix the material box, the material box will still fall, which affects the detection process.

SUMMARY OF THE INVENTION

The main purpose of the present invention is to provide a clamping jaw assembly, which aims to drive the material box toward the clamping space by providing a rotating structure on the side of the pressing plate facing the clamping space, and when the arc surface of the rotating structure abuts the material box The movement solves the technical problem that the existing clamping jaw assembly is unstable in clamping and fixing the material box.

In order to achieve the above purpose, the gripper assembly proposed by the present invention is applied to the conveying mechanism of the AOI detection equipment. A clamping plate and a pressing plate, the fixing plate has a length direction, the clamping plate is fixedly mounted on the fixing plate, the pressing plate is movably arranged on the fixing plate, and is arranged along the length direction of the fixing plate On one side of the clamping plate, the clamping plate and the clamping plate enclose a clamping space for clamping the material box, and the side of the clamping plate facing the clamping space is provided with a rotating structure, the rotating structure has a circular arc surface, and when the pressing plate moves in the direction of the clamping space, the circular arc surface abuts on the material box, so that the rotating structure faces the clamping space Rotate in the direction to push the material box to move toward the clamping space.

Optionally, the rotating structure includes a rotating plate and a rotating shaft, the surface of the rotating plate facing the clamping space is the arc surface, and the rotating plate has a width direction and is opposite along its width direction. Both sides are provided with first rotating holes, the rotating shaft rotates through the first rotating holes along both sides in the length direction, and rotates through the pressing plate along the middle part in the length direction.

Optionally, the rotating structure further includes a reset torsion spring, the reset torsion spring is sleeved on the rotating shaft and has opposite ends, and one end of the reset torsion spring is connected to the pressure plate, so The other end of the return torsion spring is connected to the rotating plate.

Optionally, two reset torsion springs are provided, and the two reset torsion springs are respectively provided on both sides of the rotating shaft along the length direction thereof.

Optionally, the clamping jaw assembly further includes a first driving member, the first driving member is mounted on the fixing plate, and the first driving member is drivingly connected to the pressing plate, so as to drive the pressing plate toward or away from the pressing plate The clamping space moves.

To achieve the above objective, an embodiment of the present invention provides a conveying mechanism, and the conveying mechanism includes the above-mentioned clamping jaw assembly.

Optionally, the conveying mechanism further includes a first conveying assembly and a second conveying assembly, the conveying mechanism has a height direction and a length direction, and the first conveying assembly and the second conveying assembly are along the conveying mechanism. The height direction is arranged at intervals, and the clamping jaw assemblies are movably arranged along the height direction and the length direction of the conveying mechanism to clamp the material box from the first conveying assembly to the second conveying assembly. .

Optionally, the conveying mechanism further includes a moving assembly, which is connected to the clamping jaw assembly and drives the clamping jaw assembly to move along the height direction and the length direction of the conveying mechanism.

To achieve the above objective, an embodiment of the present invention provides an AOI detection device, where the AOI detection device includes the above-mentioned conveying mechanism.

Optionally, the AOI detection device further includes a conveying mechanism, there are two conveying mechanisms, one conveying mechanism is provided on one side of the conveying mechanism along its conveying direction, and the other conveying mechanism is provided. on the other side of the conveying mechanism along its conveying direction.

The technical solution of the present invention is that a rotating structure is provided on the side of the pressing plate facing the clamping space, and when the arc surface of the rotating structure abuts the material box, the material box is driven to move toward the clamping space, that is, when the material box is clamped When the plate is clamped, the pressure plate can move the material box further into the clamping space. In this way, even if the position of the material box in the clamping plate is not accurate, the pressure plate can push the material box into the clamping space during the pressing process. Therefore, the stability of the clamping jaw assembly when clamping the cartridge can be improved.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained according to the structures shown in these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of a clamping jaw assembly of the present invention;

2 is a schematic structural diagram of another embodiment of the jaw assembly of the present invention;

3 is a schematic structural diagram of an embodiment of the conveying mechanism of the present invention;

FIG. 4 is a schematic structural diagram of an embodiment of an AOI detection device according to the present invention.

Description of reference numbers:

label name label name 100 Gripper assembly 90 first drive 10 fixed plate 200 material box 30 Clamping plate 300 conveying mechanism 50 platen 310 first conveying assembly 70 rotating structure 320 second conveying assembly 71 turn plate 330 mobile components 73 axis of rotation 500 AOI testing equipment 75 return torsion spring 510 transfer mechanism

The realization, functional characteristics and advantages of the present invention will be further described with reference to the accompanying drawings in conjunction with the embodiments.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a 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 those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relationship between various components under a certain posture (as shown in the accompanying drawings). The relative positional relationship, the movement situation, etc., if the specific posture changes, the directional indication also changes accordingly.

In addition, the descriptions involving "first", "second", etc. in the present invention are only for descriptive purposes, and should not be understood as indicating or implying their relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of such technical solutions does not exist. , is not within the scope of protection required by the present invention.

The present invention provides a jaw assembly 100 .

In the embodiment of the present invention, as shown in FIG. 1 to FIG. 4 , the clamping jaw assembly 100 is applied to the conveying mechanism 300 of the AOI detection device 500 , and the clamping jaw assembly 100 is used for clamping the material box with the IC plastic packaging body. 200, the clamping jaw assembly 100 includes a fixing plate 10, a clamping plate 30 and a pressing plate 50, the fixing plate 10 has a length direction, the clamping plate 30 is fixedly installed on the fixing plate 10, and the pressing plate 50 is movably arranged on the fixing plate 10, and along the The length direction of the fixing plate 10 is arranged on one side of the clamping plate 30, the clamping plate 50 and the clamping plate 30 enclose a clamping space for clamping the material box 200, and the clamping plate 50 is provided with a rotation on the side facing the clamping space. Structure 70, the rotating structure 70 has a circular arc surface, when the pressing plate 50 moves toward the clamping space, the circular arc surface abuts against the material box 200, so that the rotating structure 70 rotates in the direction toward the clamping space to push the material The cassette 200 is moved into the holding space.

In this embodiment, the clamping jaw assembly 100 includes a fixing plate 10, a clamping plate 30 and a pressing plate 50. It can be understood that, regardless of whether the cartridge 200 is loaded with an IC plastic package, it can be clamped by the clamping jaw assembly 100. When at least part of the material box 200 is in the clamping space, the pressing plate 50 drives the rotating structure 70 to press down, and the circular arc surface of the rotating structure 70 abuts the upper surface of the material box 200 . Pressure, on the contrary, the material box 200 will give an opposite force to the rotating structure 70, as shown in FIG. The projection of the contact point between the material box 200 and the arc surface on the rotating structure 70 is staggered from the projection of the rotation axis, so that the rotating structure 70 will be forced and rotate in the direction of the clamping space, thereby driving the material box 200 to clamp Move in space to ensure the stability of clamping.

Optionally, the clamping plate 30 includes a clamping bottom plate and side plates disposed on opposite sides of the clamping bottom plate, the clamping bottom plate, the side plate and the pressing plate 50 are enclosed to form a clamping space, and the clamping bottom plate is used for supporting and clamping. The lower surface of the cartridge 200 is held, and the side plate is used to clamp the side surface of the cartridge 200, wherein both the side plate and the bottom plate can be provided with proximity sensors, that is, when the proximity sensor detects that at least part of the structure of the cartridge 200 is clamped When the rotating structure 70 is in the space, the rotating structure 70 will start to rotate, and when the proximity sensor detects that the material box 200 has completely entered the clamping space, the rotating structure 70 can be reset to realize the automatic clamping process.

In the technical solution of the present application, a rotating structure 70 is provided, and the rotating structure 70 is arranged on the side of the pressing plate 50 facing the clamping space, so that when the pressing plate 50 is pressed down, the rotating structure 70 can drive the material box 200 to move into the clamping space, Thus, the stability of the clamping jaw assembly 100 when clamping the cartridge 200 is ensured.

In an embodiment of the present invention, as shown in FIGS. 1 to 4 , the rotating structure 70 includes a rotating plate 71 and a rotating shaft 73 . The surface of the rotating plate 71 facing the clamping space is an arc surface, and the rotating plate 71 has a width direction. , and are provided with first rotating holes along the opposite sides in the width direction, and the rotating shaft 73 rotates and passes through the first rotating holes along the two sides in the length direction, and rotates and passes through the middle part in the length direction. on the platen 50.

In this embodiment, the rotating structure 70 includes a rotating plate 71 and a rotating shaft 73 . It can be understood that the rotating axis of the rotating structure 70 is the rotating axis of the rotating shaft 73 . The rotation towards the clamping space is realized, so that the material box 200 can be pushed into the clamping space and the clamping stability can be ensured.

In an embodiment of the present invention, as shown in FIG. 1 to FIG. 4 , the rotating structure 70 further includes a reset torsion spring 75 . The reset torsion spring 75 is sleeved on the rotating shaft 73 and has opposite ends. One end of the spring 75 is connected to the pressing plate 50 , and the other end of the return torsion spring 75 is connected to the rotating plate 71 .

In this embodiment, if the rotating plate 71 completely pushes the material box 200 into the clamping space, that is, the rotating plate 71 can be reset. Therefore, if the rotating plate 71 is manually reset, the work efficiency will be reduced. Therefore, a reset is provided. The spring can automatically reset the rotating plate 71 to ensure the clamping efficiency.

In an embodiment of the present invention, as shown in FIG. 1 to FIG. 4 , there are two reset torsion springs 75 , and the two reset torsion springs 75 are respectively provided on both sides of the rotating shaft 73 along the length direction thereof.

In this embodiment, the two reset torsion springs 75 are arranged on the rotating shaft 73 so that the rotating plate 71 can have reset torsion springs 75 on both sides in the length direction to achieve reset, thereby ensuring that the rotating plate 71 is reset. stability during time; here, the number of the reset torsion springs 75 can be one, two or more, which can be selected according to the reset requirements.

In an embodiment of the present invention, as shown in FIG. 1 to FIG. 4 , the jaw assembly 100 further includes a first driving member 90 , the first driving member 90 is mounted on the fixing plate 10 , and the first driving member 90 drives the connecting platen 50 to drive the pressing plate 50 to move toward or away from the clamping space.

In this embodiment, the first driving member 90 can be an air cylinder, and the pressing plate 50 is connected to the driving end of the first driving member 90, so that the first driving member 90 can drive the pressing plate 50 to move toward or away from the clamping space, so as to increase or decrease the size of the clamping space. The clamping space is reduced, so as to realize the pressing and holding of the cartridge 200 .

In addition, the present invention also provides a conveying mechanism 300 , and the conveying mechanism 300 includes the jaw assembly 100 as described above.

It should be noted that the detailed structure of the gripper assembly 100 can refer to the above-mentioned embodiment of the gripper assembly 100, which will not be repeated here; since the aforementioned gripper assembly 100 is used in the transport mechanism 300 of the present invention, the The embodiments of the clamping jaw assembly 100 described above include all the technical solutions of all the above-mentioned embodiments of the clamping jaw assembly 100, and the technical effects achieved are also the same, which will not be repeated here.

In an embodiment of the present invention, as shown in FIGS. 1 to 4 , the conveying mechanism 300 further includes a first conveying assembly 310 and a second conveying assembly 320 , the conveying mechanism 300 has a height direction and a length direction, and the first conveying assembly 310 Arranged at intervals from the second conveying assembly 320 along the height direction of the conveying mechanism 300 , the gripper assembly 100 is movably arranged along the height direction and the length direction of the conveying mechanism 300 to hold the cartridge 200 for conveying from the first conveying assembly 310 to the second delivery assembly 320 .

In this embodiment, the conveying mechanism 300 further includes a first conveying assembly 310 and a second conveying assembly 320. In one embodiment, the first conveying mechanism 300 can be used to convey a material box loaded with an IC plastic package to be tested. 200, and the IC plastic package to be tested is pushed from the material box 200 to the conveying mechanism 510 of the AOI detection device 500, the material box 200 is in an empty box state, and the gripper assembly 100 can clamp the empty box state. 200 and place the second conveying assembly 320, so the second conveying assembly 320 can be used to convey the empty cartridges 200; in another embodiment, the first conveying mechanism 300 can be used to convey the empty cartridges 200 , so that the inspected IC plastic package can be stored in the feeding box 200. When the material box 200 is filled with the tested IC plastic package, the clamping jaw assembly 100 will clamp the material box 200 filled with the tested IC plastic package. It is placed in the second conveying mechanism 300, so the second conveying assembly 320 can be used to convey the cartridge 200 filled with the tested IC plastic package. Therefore, the gripper assembly 100 can be movably arranged along the height direction and the length direction of the conveying mechanism 300 , so that the cartridge 200 can be moved from the first conveying assembly 310 to the second conveying assembly 320 to realize the automatic clamping and conveying process.

Specifically, both the first conveying assembly 310 and the second conveying assembly 320 can use a motor to control the conveying of the material box 200, and the conveying space of the two can be adjusted through the cooperation of the adjusting member and the baffle plate, so that they can be adapted to different The size of the material box 200 is described here, and the structure here is the prior art in the field, and will not be elaborated here.

In an embodiment of the present invention, as shown in FIG. 1 to FIG. 4 , the conveying mechanism 300 further includes a moving assembly 330 . The moving assembly 330 is connected to the gripper assembly 100 and drives the gripper assembly 100 along the height direction of the conveying mechanism 300 . move along the length direction.

In this embodiment, for the convenience of understanding, the height direction and the length direction of the conveying mechanism 300 are defined as the Z-axis direction and the X-axis direction, respectively. Therefore, the moving component 330 includes a Z-axis driving member and an X-axis moving member. The Z-axis driving member may be The clamping jaw assembly 100 is driven to clamp the cartridge 200 to move between the first conveying assembly 310 and the second conveying assembly 320. The X-axis direction can drive the clamping jaw assembly 100 to clamp the cartridge 200 without interfering with the first conveying assembly 200. In the case of the conveying assembly 310 and the second conveying assembly 320, movement along the X-axis is required to achieve spatial interference, so that the automatic clamping and conveying process for the cartridge 200 can be realized.

In addition, the present invention also provides an AOI detection device 500 , and the AOI detection device 500 includes the above-mentioned conveying mechanism 300 .

It should be noted that the detailed structure of the conveying mechanism 300 can be referred to the above-mentioned embodiment of the conveying mechanism 300, which will not be repeated here; The embodiments of the mechanism 300 include all the technical solutions of all the above-mentioned embodiments of the conveying mechanism 300, and the technical effects achieved are also the same, which will not be repeated here.

In an embodiment of the present invention, as shown in FIG. 1 to FIG. 4 , the AOI detection device 500 further includes a conveying mechanism 510 , two conveying mechanisms 300 are provided, and one conveying mechanism 300 is provided along the conveying direction of the conveying mechanism 510 On one side, another conveying mechanism 300 is provided on the other side of the conveying mechanism 510 along its conveying direction.

In this embodiment, two conveying mechanisms 300 are provided, that is, one conveying mechanism 300 can realize the feeding of the IC plastic packaging body to the conveying mechanism 510 , and the other conveying mechanism 300 can realize the unloading of the IC plastic packaging body to the conveying mechanism 510 . , so that the automatic conveying process can be realized.

Optionally, the AOI detection device 500 further includes a pusher mechanism. As shown in FIG. 3 and FIG. 4 , the pusher mechanism includes a pusher driver, a cam structure, and a pusher push rod. The driving end of the pusher driver is connected to the cam. structure, the cam structure is in contact with the push rod, so that the push rod can be driven to move by the drive of the push driver. And when two opposite sides of the material box 200 are provided with ejector openings, at least part of the structure of the ejector push rod can extend into the ejector opening to push the IC plastic package from the inside of the material box 200 to the conveying mechanism 510 to realize automation. material process.

The above descriptions are only the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Under the inventive concept of the present invention, the equivalent structural transformations made by the contents of the description and drawings of the present invention, or the direct/indirect application Other related technical fields are included in the scope of patent protection of the present invention.

Claims (10)

1. A clamping jaw assembly, applied to the conveying mechanism of an AOI detection device, the clamping jaw assembly is used for clamping a material box equipped with an IC plastic package, and it is characterized in that, the clamping jaw assembly comprises: a fixing plate, the fixing plate has a length direction; a clamping plate fixedly mounted on the fixing plate; and A pressing plate, the pressing plate is movably arranged on the fixing plate, and is arranged on one side of the clamping plate along the length direction of the fixing plate, the pressing plate and the clamping plate are enclosed to form a clamping plate for clamping a clamping space for holding the material box; The side of the pressing plate facing the clamping space is provided with a rotating structure, and the rotating structure has a circular arc surface. When the pressing plate moves in the direction of the clamping space, the circular arc surface is in contact with the the material box, so that the rotating structure rotates in the direction toward the holding space, so as to push the material box to move toward the holding space. 2. The jaw assembly of claim 1, wherein the rotating structure comprises: a rotating plate, the surface of the rotating plate facing the clamping space is the arc surface, the rotating plate has a width direction, and is provided with first rotating holes on opposite sides along the width direction; and a rotating shaft, the rotating shaft rotates and passes through the first rotating hole along both sides in the length direction, and rotates through the pressing plate along the middle part of the length direction. 3. The jaw assembly according to claim 2, wherein the rotating structure further comprises a reset torsion spring, the reset torsion spring is sleeved on the rotating shaft and has opposite ends, so One end of the reset torsion spring is connected to the pressing plate, and the other end of the reset torsion spring is connected to the rotating plate. 4 . The jaw assembly according to claim 3 , wherein there are two reset torsion springs, and the two reset torsion springs are respectively provided on both sides of the rotating shaft along the length direction thereof. 5 . 5. The clamping jaw assembly according to any one of claims 1 to 4, wherein the clamping jaw assembly further comprises a first driving member, and the first driving member is mounted on the fixing plate, so that the The first driving member is drivingly connected to the pressing plate, so as to drive the pressing plate to move toward or away from the clamping space. 6. A conveying mechanism, wherein the conveying mechanism comprises the jaw assembly according to any one of claims. 7. The conveying mechanism according to claim 6, wherein the conveying mechanism further comprises a first conveying assembly and a second conveying assembly, the conveying mechanism has a height direction and a length direction, and the first conveying assembly and The second conveying assemblies are arranged at intervals along the height direction of the conveying mechanism; The clamping jaw assembly is movably arranged along the height direction and the length direction of the conveying mechanism, and is used for gripping the material box to be conveyed from the first conveying assembly to the second conveying assembly. 8 . The conveying mechanism according to claim 7 , wherein the conveying mechanism further comprises a moving assembly, the moving assembly is connected to the clamping jaw assembly and drives the clamping jaw assembly along the conveying mechanism. 9 . Move in the height and length directions. 9 . An AOI detection device, characterized in that, the AOI detection device comprises the conveying mechanism according to any one of claims 6 to 8 . 10 . The AOI detection device according to claim 9 , wherein the AOI detection device further comprises a conveying mechanism, two conveying mechanisms are provided, and one conveying mechanism is provided in the conveying mechanism to convey along the conveying mechanism. 11 . On one side in the direction, the other conveying mechanism is provided on the other side of the conveying mechanism along its conveying direction.

Images