Optical alignment device for bonding equipment
By combining the lens, the electric focus adjustment platform, and the eccentric pin adjustment assembly, the problem of precise positioning in confined spaces is solved, enabling high-precision and convenient multi-dimensional adjustment, adapting to different cameras and equipment, and improving the flexibility and stability of the equipment.
Patent Information
- Application Number
- CN202423180003.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-23
AI Technical Summary
Existing vision devices struggle to achieve precise positioning and adjustment in confined spaces, and traditional bolt adjustment methods are difficult to operate in highly integrated equipment, resulting in positioning dead zones and runout errors.
It employs a lens, a motorized focus adjustment platform, an XY main adjustment assembly, and an eccentric pin adjustment assembly. The eccentric bolt, in conjunction with the XY main adjustment assembly, enables coarse and fine adjustments to the camera position, supports multi-dimensional adjustment, and is suitable for precise positioning in confined spaces.
It achieves high-precision and convenient adjustment in confined spaces, reduces positioning errors, supports multi-dimensional adjustment, adapts to different cameras and devices, and improves flexibility and stability.
Smart Images
Figure CN223728749U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of semiconductor packaging equipment relates to an optical alignment device for bonding equipment. BACKGROUND
[0002] With the rapid rise of the semiconductor industry, chips are also developing towards miniaturization and precision, and the precision requirements of various packaging equipment such as FCDFN, FCQFN, BGA and Fan-out are also getting higher and higher. In order to pick up the chip, accurate positioning is needed, and a visual device is needed to judge the accuracy of the position. In the prior art, the adjustment of the visual device is generally through adjusting bolts to adjust by screw pitch. This adjustment method needs to be adjusted in a spacious area. With the increasing integration of equipment, the operable space inside the equipment space is becoming smaller and smaller, so a mechanism for adjusting the camera device in a small space is needed. SUMMARY
[0003] The utility model discloses a kind of optical alignment devices for bonding equipment to solve the problems of prior art.
[0004] The utility model discloses a kind of optical alignment devices for bonding equipment, including: lens, mounting seat, focal length adjustment electric platform, XY main adjustment component and eccentric pin adjustment component, the lens is set to the front end of mounting seat, the focal length adjustment electric platform is set to the upper end of mounting seat, the XY main adjustment component is set to the upper end of focal length adjustment electric platform, the eccentric pin adjustment component includes adjusting plate one, adjusting plate two, adjusting plate three, adjusting plate four, eccentric bolt one, eccentric bolt two and eccentric bolt three, the mounting seat is set to one side of adjusting plate one, adjusting plate two is set to the other side of adjusting plate one by left and right sliding, eccentric bolt one passes through adjusting plate one and adjusting plate two in turn, eccentric bolt one controls adjusting plate one to move left and right relative to adjusting plate two, adjusting plate three is set to the other side of adjusting plate two by upper and lower sliding on one side, eccentric bolt two passes through adjusting plate three and adjusting plate two in turn, eccentric bolt two controls adjusting plate two to move up and down relative to adjusting plate three, adjusting plate four is rotationally set to the other side of adjusting plate three, eccentric bolt three passes through adjusting plate four and adjusting plate three in turn, and eccentric bolt three controls adjusting plate three to rotate relative to adjusting plate four.
[0005] Further improvement, the rear side of adjusting plate one, the front side of adjusting plate three and the front side of adjusting plate four are all provided with bolt holes, and the front side of adjusting plate two, the rear side of adjusting plate two and the rear side of adjusting plate three are all provided with eccentric holes.
[0006] Further improvement, the XY main adjustment assembly includes a camera X-axis adjustment base plate and a camera Y-axis adjustment base plate, one side of the camera X-axis adjustment base plate is provided with a camera X-axis adjustment bolt, and one side of the camera Y-axis adjustment base plate is provided with a camera Y-axis adjustment bolt.
[0007] Further improvement, the camera Y-axis adjustment base plate is provided with a coaxial light source at the lower end.
[0008] Further improvement, the coaxial light source is provided with a strip-shaped light source at the lower end.
[0009] Compared with the prior art, the optical alignment device for the bonding equipment has the beneficial effects that:
[0010] By using the eccentric bolts at different positions and cooperating with the XY main adjustment assembly, coarse adjustment and fine adjustment of the camera position are realized, a complete adjustment device is formed, the problem of difficult accurate positioning in the traditional adjustment mechanism is solved, positioning dead zones or jumping errors are reduced, adjustment can be performed in a narrow space, multi-dimensional adjustment of horizontal, vertical or rotation angle is supported, high strength and durability after locking are ensured while the adjustment convenience is maintained, the universal design of the eccentric bolt adjustment mechanism enables it to be adapted to different types of cameras and equipment, and quick installation and disassembly are also supported, flexibility is improved, and especially in the scene that needs to be frequently adjusted. BRIEF DESCRIPTION OF DRAWINGS
[0011] Fig. 1 It is a structural schematic view of the utility model
[0012] Fig. 2 It is a structural schematic view of another view of the utility model
[0013] Fig. 3 It is a structural schematic view of the eccentric pin adjustment assembly in the utility model
[0014] Fig. 4 It is a structural schematic view of a part of the utility model
[0015] Fig. 5 It is a structural schematic view of left and right of the utility model
[0016] Fig. 6 It is a structural schematic view of up and down of the utility model
[0017] Fig. 7 It is a structural schematic view of rotation of the utility model
[0018] In the figure, 1-camera X axis adjusting base plate, 2-camera X axis adjusting bolt, 3-camera focal length adjusting electric platform, 4-lens, 5-camera Y axis adjusting base plate, 6-coaxial light source, 7-camera Y axis adjusting bolt, 8-bar light source, 9-eccentric pin adjusting assembly, 10-mounting seat, A1-adjusting plate one, A2-adjusting plate two, A3-adjusting plate three, A4-adjusting plate four, A5-eccentric bolt one, A6-eccentric bolt two, A7-eccentric bolt three. DETAILED DESCRIPTION
[0019] In the description of the present application, it should be explained that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application.
[0020] In the description of the present application, it should be explained that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0021] The following will be described in conjunction with the embodiments and drawings Figs. 1-7 The technical scheme of the present application will be further described.
[0022] Example 1
[0023] An optical alignment device for a bonding device, comprising: a lens 4, a mounting seat 10, a focal length adjusting electric platform 3, an XY main adjusting assembly and an eccentric pin adjusting assembly 9, the lens 4 is arranged at the front end of the mounting seat 10, the focal length adjusting electric platform 3 is arranged at the upper end of the mounting seat 10, the XY main adjusting assembly is arranged at the upper end of the focal length adjusting electric platform 3, the eccentric pin adjusting assembly 9 comprises an adjusting plate one A1, an adjusting plate two A2, an adjusting plate three A3, an adjusting plate four A4, an eccentric bolt one A5, an eccentric bolt two A6 and an eccentric bolt three A7, the mounting seat 10 is arranged at one side of the adjusting plate one A1, the adjusting plate two A2 is slidably arranged at the other side of the adjusting plate one A1, the eccentric bolt one A5 passes through the adjusting plate one A1 and the adjusting plate two A2 in sequence, the adjusting plate one A1 is controlled to move left and right relative to the adjusting plate two A2 through the eccentric bolt one A5, the adjusting plate three A3 is slidably arranged at the other side of the adjusting plate two A2, the eccentric bolt two A6 passes through the adjusting plate three A3 and the adjusting plate two A2 in sequence, the adjusting plate two A2 is controlled to move up and down relative to the adjusting plate three A3 through the eccentric bolt two A6, the adjusting plate four A4 is rotatably arranged at the other side of the adjusting plate three A3, the eccentric bolt three A7 passes through the adjusting plate four A4 and the adjusting plate three A3 in sequence, and the adjusting plate three A3 is controlled to rotate relative to the adjusting plate four A4 through the eccentric bolt three A7.
[0024] As a further preferred embodiment, the rear side of the adjusting plate one A1, the front side of the adjusting plate three A3 and the front side of the adjusting plate four A4 are all provided with bolt holes, and the front side of the adjusting plate two A2, the rear side of the adjusting plate two A2 and the rear side of the adjusting plate three A3 are all provided with eccentric holes.
[0025] As a further preferred embodiment, the XY main adjusting assembly comprises a camera X-axis adjusting base plate 1 and a camera Y-axis adjusting base plate 5, one side of the camera X-axis adjusting base plate 1 is provided with a camera X-axis adjusting bolt 2, and one side of the camera Y-axis adjusting base plate 5 is provided with a camera Y-axis adjusting bolt 7.
[0026] As a further preferred embodiment, the lower end of the camera Y-axis adjusting base plate 5 is provided with a coaxial light source 6.
[0027] As a further preferred embodiment, the lower end of the coaxial light source 6 is provided with a strip-shaped light source 8.
[0028] As Figs. 1-7 shown, the use principle of the utility model is:
[0029] I. Coarse adjustment: the position coarse adjustment in X and Y directions is realized through the camera X-axis adjusting base plate 1 and the camera Y-axis adjusting base plate 5 in the XY main adjusting assembly.
[0030] II. Fine adjustment:
[0031] 2.1 Confirm the direction of action of the eccentric bolt: find the eccentric part of the eccentric bolt and observe the direction of movement between the components when the bolt is rotated.
[0032] 2.2 Loosen the fixed components: if the eccentric bolt is fixed on some assemblies, loosen the fasteners first so that the eccentric bolt can rotate freely.
[0033] 2.3 Rotate the eccentric bolt: use a wrench or tool to slowly rotate the eccentric bolt, and due to the change in position of the eccentric part, the distance between the connected components will change.
[0034] 2.4. Observation and fine adjustment: during adjustment, rotate eccentric bolt one A5 to achieve fine adjustment in left and right position direction, rotate eccentric bolt two A6 to achieve fine adjustment in up and down position direction, and rotate eccentric bolt three A7 to achieve fine adjustment in angle; observe the distance between the two components during rotation to ensure the desired gap or alignment is achieved, 2.5. Lock the eccentric bolt: after adjusting to the desired position, lock the eccentric bolt or related fixing parts to prevent deviation.
[0035] The utility model has the following advantages:
[0036] 1. High-precision adjustment: using eccentric bolts can fine-tune the position of the camera, including movement in up-down, left-right, and front-back directions, meeting the needs of precise shooting, while reducing adjustment errors and achieving millimeter-level or even micron-level adjustments.
[0037] 2. Convenient operation: the adjustment mechanism is simple and reliable, without the need for complex tools, and users can quickly complete camera positioning by rotating the bolts.
[0038] 3. Stable structure: after adjustment is complete, locking bolts can maintain stability and prevent position deviation caused by vibration or external force.
[0039] 4. Space-saving: the compact design of the eccentric bolt mechanism allows it to be integrated into limited device space without occupying additional volume.
[0040] 5. Cost-effective: the manufacture of eccentric bolts is simple, and compared to complex electric adjustment mechanisms, the cost is lower and maintenance is convenient.
[0041] The above detailed the preferred embodiments of the utility model. It should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the utility model. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment based on the existing technology according to the concept of the utility model shall be within the protection scope determined by the claims.
Claims
1. An optical alignment device for bonding equipment, characterized in that, include: The system comprises a lens, a mounting base, a motorized focus adjustment platform, an XY main adjustment assembly, and an eccentric pin adjustment assembly. The lens is positioned at the front end of the mounting base, the motorized focus adjustment platform is positioned at the upper end of the mounting base, and the XY main adjustment assembly is positioned at the upper end of the motorized focus adjustment platform. The eccentric pin adjustment assembly includes an adjustment plate 1, an adjustment plate 2, an adjustment plate 3, an adjustment plate 4, an eccentric bolt 1, an eccentric bolt 2, and an eccentric bolt 3. The mounting base is positioned on one side of the adjustment plate 1, and the adjustment plate 2 is slidably positioned on the other side of the adjustment plate 1. An eccentric bolt 1 passes through adjusting plate 1 and adjusting plate 2 in sequence, controlling the left and right movement of adjusting plate 1 relative to adjusting plate 2. Adjusting plate 3 is slidably disposed on one side of adjusting plate 2 on the other side. An eccentric bolt 2 passes through adjusting plate 3 and adjusting plate 2 in sequence, controlling the up and down movement of adjusting plate 2 relative to adjusting plate 3. Adjusting plate 4 is rotatably disposed on the other side of adjusting plate 3, and an eccentric bolt 3 passes through adjusting plate 4 and adjusting plate 3 in sequence, controlling the rotation of adjusting plate 3 relative to adjusting plate 4.
2. The optical alignment device for a bonding apparatus according to claim 1, characterized in that, Bolt holes are provided on the rear side of adjustment plate one, the front side of adjustment plate three, and the front side of adjustment plate four. Eccentric holes are provided on the front side of adjustment plate two, the rear side of adjustment plate two, and the rear side of adjustment plate three.
3. The optical alignment device for a bonding apparatus according to claim 1, characterized in that, The XY main adjustment assembly includes a camera X-axis adjustment base plate and a camera Y-axis adjustment base plate. A camera X-axis adjustment bolt is provided on one side of the camera X-axis adjustment base plate, and a camera Y-axis adjustment bolt is provided on one side of the camera Y-axis adjustment base plate.
4. An optical alignment device for a bonding apparatus according to claim 3, characterized in that, The lower end of the camera's Y-axis adjustment base plate is equipped with a coaxial light source.
5. An optical alignment device for a bonding apparatus according to claim 4, characterized in that, The lower end of the coaxial light source is equipped with a strip light source.