A combined mechanism for lifting, adjusting and pressing a load-bearing product
By using a dual servo motor-controlled load-bearing product lifting and compression combination mechanism in the semiconductor rear-channel packaging patch machine, the problem of manual replacement and independent function is solved, and the effect of automation and cost saving is achieved.
Patent Information
- Application Number
- CN202310880805.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-07-18
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2043-07-18
AI Technical Summary
In existing semiconductor rear-channel packaging chip machines, the bearing block needs to be manually replaced and adjusted, which is less intelligent, and the bearing part is independent of the compression part, lacking lifting and adjustment functions, resulting in increased costs and poor adaptability.
The lifting adjustment and compression combination mechanism of the bearing product controlled by the dual servo motor is adopted. The first driving structure and the second driving structure respectively drive the lifting movement of the frame bearing block and the pressing part to achieve the integration of the lifting adjustment and compression functions of the bearing product.
It realizes the integration of lifting and pressing functions of the bearing product, saves costs, improves the degree of automation and intelligence, enhances the flexibility and convenience of the organization, and is suitable for different products.
Smart Images
Figure CN116825675B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of semiconductor back-end packaging placement machines, and in particular to a combined mechanism for lifting, adjusting and pressing a product. Background Art
[0002] With the continuous upgrading of technology, products have become more diverse. Therefore, the equipment also needs to be continuously upgraded and iterated to meet the use requirements of the products. The concave size of the frame base island is a variable. When the value is different, the matching bearing block characteristics will also be different. In the existing technology, each time the product is switched for production, the bearing block needs to be replaced. There are two main problems: one is that multiple sets of bearing blocks corresponding to the products need to be made, which increases the cost; the other is that the bearing blocks need to be manually replaced and adjusted, and the intelligence is low. In addition, in the existing technology, the bearing part and the pressing part are separated independently, and the bearing part has no lifting and adjustment function. Summary of the Invention
[0003] The purpose of the present invention is to provide a combined mechanism for lifting, adjusting and pressing a product, which integrates the two functions of lifting, adjusting and pressing a product, can be applied to different products, and saves costs.
[0004] To achieve the above object, the present invention provides the following solutions:
[0005] The present invention provides a combined mechanism for lifting, adjusting and pressing a supporting product, comprising a sheet pressing part, a frame supporting block, a first driving structure, a second driving structure and a track pressure claw support seat, wherein the sheet pressing part is located above the frame supporting block, the first driving structure and the second driving structure are both arranged on the track pressure claw support seat, the first driving structure drives the frame supporting block to move toward or away from the sheet pressing part, and the second driving structure drives the sheet pressing part to move toward or away from the frame supporting block.
[0006] Preferably, a first follower structure is provided on the frame bearing block, the first driving structure drives the frame bearing block and the first follower structure to move through a first transmission structure, the first driving structure includes a first motor, the first transmission structure includes a rotating shaft 1 and a cam 1, the first follower structure includes a first cam follower, a power output end of the first motor is connected to one end of the rotating shaft 1, the other end of the rotating shaft 1 is provided with the cam 1, and the cam 1 is in contact with the first cam follower;
[0007] The rail pressure claw support seat is provided with a first sensor, and the first sensor is used to detect the rotation angle of the rotating shaft.
[0008] Preferably, the first follower structure also includes a connecting frame, the first cam follower is connected to the connecting frame, the connecting frame is arranged on the cross guide rail mounting plate, the cross guide rail mounting plate is connected to the track pressure claw support seat, the frame bearing block is connected to the first Z-direction motion block, and a first cross roller is arranged between the first Z-direction motion block and the cross guide rail mounting plate, and the first Z-direction motion block slides relative to the track pressure claw support seat through the first cross roller.
[0009] Preferably, it also includes a first spring shaft and a first spring, the lower end of the first spring shaft passes through the connecting frame and is connected to the cross guide rail mounting plate, the first spring is sleeved on the outside of the first spring shaft, and the upper end of the first spring is against the limiting portion on the first spring shaft.
[0010] Preferably, it also includes a track adjustment plate, a track plate connecting frame and a fine-tuning substrate, one side of the track adjustment plate is used to connect with the first Z-direction motion block, the other side of the track adjustment plate is provided with a groove, the track plate connecting frame is located in the groove, the track plate connecting frame is respectively connected to the track adjustment plate and the frame bearing block, the fine-tuning substrate is located on the side of the first Z-direction motion block, and there is also an adjusting bolt on the fine-tuning substrate, and the adjusting bolt is against the track adjustment plate.
[0011] Preferably, the pressing portion is provided with a second follower structure, the second driving structure drives the pressing portion and the second follower structure to move through a second transmission structure, the second driving structure includes a second motor, the second transmission structure includes a second rotating shaft and a second cam, the second follower structure includes a second cam follower, a power output end of the second motor is connected to one end of the second rotating shaft, the other end of the second rotating shaft is provided with the second cam, and the second cam is in contact with the second cam follower;
[0012] A second sensor is provided on the rail pressure claw support seat, and the second sensor is used to detect the rotation angle of the second rotating shaft.
[0013] Preferably, the second follower structure also includes a mounting block, the second cam follower is connected to the mounting block, the mounting block is respectively connected to the track pressure claw support seat and the second Z-direction motion block, the second Z-direction motion block is used to connect with the pressing piece part, the track pressure claw support seat is provided with a spacer block, a second cross roller is provided between the second Z-direction motion block and the spacer block, and the second Z-direction motion block slides relative to the track pressure claw support seat through the second cross roller.
[0014] Preferably, it also includes a second spring shaft and a second spring, the lower end of the second spring shaft passes through the mounting block and is connected to the support plate on the rail pressure claw support seat, the second spring is sleeved on the outside of the second spring shaft, and the upper end of the second spring is against the limiting part on the second spring shaft.
[0015] Preferably, a Z-direction adjustment block is provided on the second Z-direction motion block, a first connecting block is provided on the Z-direction adjustment block, a second connecting block is provided on the first connecting block, and the pressure claw connecting rod of the pressing part extends into the second connecting block and is locked by a knob.
[0016] Compared with the prior art, the present invention has achieved the following technical effects:
[0017] This invention utilizes dual servo motors to integrate the functions of lifting, adjusting, and clamping the product under load, saving costs while achieving automation and intelligent control. This combined mechanism can be operated in either a single or synchronized control mode, freely switching between them based on the product type and specific operating conditions. Compared to existing structures, this mechanism offers increased flexibility and convenience. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0019] Figure 1 Schematic diagram of the combined mechanism for lifting, adjusting and pressing the load-bearing product of the present invention Figure 1 ;
[0020] Figure 2 Schematic diagram of the combined mechanism for lifting, adjusting and pressing the load-bearing product of the present invention Figure 2 ;
[0021] Figure 3 This is an exploded view of the combined mechanism for lifting, adjusting and pressing a load-bearing product according to the present invention;
[0022] Among them: 100-combined mechanism for lifting, adjusting and pressing the bearing product, 1-track pressure claw support seat, 2-second motor, 3-rotating shaft 2, 4-cam 2, 5-mounting block, 6-coupling, 7-bearing 1, 8-fixed end cover, 9-bearing 2, 10-locking nut, 11-support plate, 12-circlip, 13-second Z-direction motion block, 14-spacer, 15-second cross roller, 16-Z-direction adjustment block, 17-first connecting block, 18-second connecting block, 19-nut, 20-second cam follower, 21-second sensor, 22 -Second sensor sensing plate, 23-pressing plate part, 24-pressure claw connecting rod, 25-knob, 26-first motor, 27-rotating shaft one, 28-cam one, 29-first cam follower, 30-connecting frame, 31-cross guide rail mounting plate, 32-first Z-direction motion block, 33-first cross roller, 34-track adjustment plate, 35-track plate connecting frame, 36-fine-tuning base plate, 37-first spring shaft, 38-first spring, 39-sensor adjustment frame, 40-first sensor, 41-first sensor sensing plate, 42-frame bearing block. DETAILED DESCRIPTION
[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only 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 ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0024] The purpose of the present invention is to provide a combined mechanism for lifting, adjusting and pressing a product, which integrates the two functions of lifting, adjusting and pressing a product, can be applied to different products, and saves costs.
[0025] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.
[0026] like Figures 1 to 3 As shown: This embodiment provides a combined mechanism 100 for lifting, adjusting and pressing a supporting product, including a pressing portion 23, a frame supporting block 42, a first driving structure, a second driving structure and a track pressing claw support seat 1. The pressing portion 23 is located above the frame supporting block 42, the frame supporting block 42 is used to support the lead frame, and the pressing portion 23 is used to press the bare chip onto the lead frame. The first driving structure and the second driving structure are both arranged on the track pressing claw support seat 1. The first driving structure drives the frame supporting block 42 to move toward or away from the pressing portion 23, and the second driving structure drives the pressing portion 23 to move toward or away from the frame supporting block 42.
[0027] Specifically, in this embodiment, a second follower structure is provided on the pressing part 23, and the second driving structure drives the pressing part 23 and the second follower structure to move through the second transmission structure. The second driving structure includes a second motor 2, and the body of the second motor 2 is arranged on the rail pressure claw support seat 1. The second transmission structure includes a rotating shaft 2 3 and a cam 2 4. The second follower structure includes a second cam follower 20 and a mounting block 5. The power output end of the second motor 2 is connected to one end of the rotating shaft 2 3 through a coupling 6. A bearing 1 7 is provided between the rotating shaft 2 3 and the rail pressure claw support seat 1, and a fixed end cover 8 of the bearing 1 7 is connected to the rail pressure claw support seat 1. A locking nut 10 is provided at one end of the rotating shaft 2 3, and the locking nut 10 is threadedly connected to the rotating shaft 2 3 to realize axial positioning of the rotating shaft 2 3. A cam 2 4 is provided at the other end of the rotating shaft 2 3. The other end of the rotating shaft 2 3 extends to the support plate 11 on the rail pressure claw support seat 1, and a bearing 2 9 is provided between the rotating shaft 2 3 and the support plate 11. The bearing 2 9 is fixed by a retaining spring 12. The cam The second cam follower 20 is in contact with the second cam follower 20, and the second cam follower 20 is connected to the mounting block 5. The mounting block 5 is respectively connected to the support plate 11 and the second Z-direction motion block 13. A spacer 14 is provided on the track pressure claw support seat 1. A second cross roller 15 is provided between the second Z-direction motion block 13 and the spacer 14. The second Z-direction motion block 13 slides relative to the track pressure claw support seat 1 through the second cross roller 15. In addition, a Z-direction adjustment block 16 is provided on the second Z-direction motion block 13. The Z-direction adjustment block 16 is provided with a bar-shaped hole for connecting with the second Z-direction motion block 13, the Z-direction adjustment block 16 is provided with a first connecting block 17, the connection position of the Z-direction adjustment block 16 and the first connecting block 17 is adjustable, the first connecting block 17 is provided with a second connecting block 18, the connection position of the first connecting block 17 and the second connecting block 18 is adjustable, the pressing claw connecting rod 24 of the pressing piece 23 extends into the second connecting block 18, the length of the pressing claw connecting rod 24 extending into the second connecting block 18 is adjustable and locked by a knob 25;
[0028] This embodiment also includes a second spring shaft and a second spring. The lower end of the second spring shaft passes through the mounting block 5 and is connected to the support plate 11 on the rail pressure claw support seat 1. The second spring is sleeved on the outside of the second spring shaft, and the upper end of the second spring abuts against a limiter on the second spring shaft, which is a nut 19. The second motor 2 drives the second rotating shaft 3 to rotate, which drives the second cam 4 to rotate. The second cam 4 pushes the second cam follower 20 up and down, thereby driving the pressing portion 23 to slide relative to the rail pressure claw support seat 1 in the Z direction, causing the pressing portion 23 to approach or move away from the frame bearing block 42.
[0029] In this embodiment, a second sensor 21 is provided on the rail pressure claw support 1. The second sensor 21 is used to detect the rotation angle of the second rotating shaft 3. The second sensor 21 is preferably a photoelectric sensor. The second rotating shaft 3 is provided with a second sensor sensing piece 22. The second sensor sensing piece 22 is integrally provided with the second cam 4. The second sensor sensing piece 22 is provided with an opening and is located between the transmitter and receiver of the second sensor 21.
[0030] In this embodiment, a first follower structure is provided on the frame bearing block 42, and the first driving structure drives the frame bearing block 42 and the first follower structure to move through the first transmission structure. The first driving structure includes a first motor 26, and the body of the first motor 26 is provided on the track pressure claw support seat 1. The first transmission structure includes a rotating shaft 27 and a cam 28. The first follower structure includes a first cam follower 29 and a connecting frame 30. The first cam follower 29 is connected to the connecting frame 30, and the connecting frame 30 is provided on the cross guide rail mounting plate 31. The cross guide rail mounting plate 31 is connected to the track pressure claw support seat 1. The power output end of the first motor 26 is connected to one end of the rotating shaft 27 through a coupling 6. A bearing 7 is provided between the rotating shaft 27 and the track pressure claw support seat 1. The fixed end cover 8 of bearing 17 is connected to the track pressure claw support seat 1, and a locking nut 10 is provided at one end of the rotating shaft 27, and the locking nut 10 is threadedly connected to the rotating shaft 27 to realize the axial positioning of the rotating shaft 27. A cam 28 is provided at the other end of the rotating shaft 27, and the other end of the rotating shaft 27 extends to the cross guide rail mounting plate 31. A bearing 29 is provided between the rotating shaft 27 and the cross guide rail mounting plate 31, and the bearing 29 is fixed by a retaining spring 12. The cam 28 is in contact with the first cam follower 29; the frame bearing block 42 is connected to the first Z-direction motion block 32, and a first cross roller 33 is provided between the first Z-direction motion block 32 and the cross guide rail mounting plate 31. The first Z-direction motion block 32 slides relative to the track pressure claw support seat 1 through the first cross roller 33.
[0031] This embodiment also includes a track adjustment plate 34, a track plate connecting frame 35 and a fine-tuning substrate 36. One side of the track adjustment plate 34 is used to connect with the first Z-direction motion block 32. The connection position of the track adjustment plate 34 and the first Z-direction motion block 32 is adjustable. The other side of the track adjustment plate 34 is provided with a groove. The track plate connecting frame 35 is located in the groove. The track plate connecting frame 35 is respectively connected to the track adjustment plate 34 and the frame bearing block 42. The connection position of the track plate connecting frame 35 and the track adjustment plate 34 is adjustable. The track plate connecting frame 35 is provided with a strip hole for connecting with the track adjustment plate 34 and the frame bearing block 42. The fine-tuning substrate 36 is located on the side of the first Z-direction motion block 32. The connection position of the fine-tuning substrate 36 and the cross guide rail mounting plate 31 is adjustable. There is also an adjusting bolt on the fine-tuning substrate 36, and the adjusting bolt is against the track adjustment plate 34. When the track adjustment plate 34 and the first Z-direction motion block 32 are connected by bolts, the bolts are not tightened. The angle of the frame supporting block 42 is fine-tuned by adjusting the bolts against the track adjustment plate 34. After the adjustment is completed, the bolts connecting the track adjustment plate 34 and the first Z-direction motion block 32 are locked.
[0032] This embodiment further includes a first spring shaft 37 and a first spring 38. The lower end of the first spring shaft 37 passes through the connecting frame 30 and is connected to the cross rail mounting plate 31. The first spring 38 is sleeved on the outside of the first spring shaft 37. The upper end of the first spring 38 abuts against a stopper on the first spring shaft 37, which is a nut 19. The first motor 26 drives the rotating shaft 1 27 to rotate, which in turn drives the cam 1 28 to rotate. The cam 1 28 pushes the first cam follower 29 up and down, thereby driving the frame bearing block 42 to slide relative to the track pressure claw support seat 1 in the Z direction, causing the frame bearing block 42 to move closer to or further away from the pressing portion 23.
[0033] In this embodiment, a sensor adjustment bracket 39 is provided on the rail pressure claw support base 1. The sensor adjustment bracket 39 is provided with a strip-shaped hole for connecting to the rail pressure claw support base 1. The sensor adjustment bracket 39 is provided with a first sensor 40, which is used to detect the rotation angle of the rotating shaft 27. The first sensor 40 is preferably a photoelectric sensor. The rotating shaft 27 is provided with a first sensor sensing plate 41. The first sensor sensing plate 41 is integrally provided with the cam 28 and has an opening. The first sensor sensing plate 41 is located between the transmitter and receiver of the first sensor 40.
[0034] This embodiment, a key component of the track assembly, primarily serves to support and hold down product components, making it an essential component of integrated circuit chip back-end assembly and placement equipment. This embodiment allows for compaction of lead frames after they have been moved to a fixed position in the previous process step. Furthermore, based on the different recesses of different frame base islands, the first motor 26 and the second motor 2 are driven to achieve the dual functions of product support and positioning and holding down the components.
[0035] This embodiment utilizes dual servo motors to integrate the functions of lifting, adjusting, and clamping the product under load, saving costs while achieving automation and intelligent control. This embodiment can operate in either a single or synchronized control mode, freely switching between them based on the customer's product type and specific operating conditions. Compared to existing structures, this increases the flexibility and convenience of the mechanism.
[0036] This specification uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only intended to help understand the method and core concept of the present invention. At the same time, those skilled in the art will find that the specific implementation methods and application scopes may vary based on the concept of the present invention. In summary, the contents of this specification should not be construed as limiting the present invention.
Claims
1. A combined mechanism for lifting, adjusting and pressing a load-bearing product, characterized by: The invention comprises a sheet pressing portion, a frame bearing block, a first driving structure, a second driving structure and a track pressure claw support seat, wherein the sheet pressing portion is located above the frame bearing block, the first driving structure and the second driving structure are both arranged on the track pressure claw support seat, the first driving structure drives the frame bearing block to move toward or away from the sheet pressing portion, and the second driving structure drives the sheet pressing portion to move toward or away from the frame bearing block; The frame bearing block is provided with a first follower structure, the first driving structure drives the frame bearing block and the first follower structure to move through a first transmission structure, the first driving structure includes a first motor, the first transmission structure includes a rotating shaft 1 and a cam 1, the first follower structure includes a first cam follower, a power output end of the first motor is connected to one end of the rotating shaft 1, the other end of the rotating shaft 1 is provided with the cam 1, and the cam 1 is in contact with the first cam follower; The rail pressure claw support seat is provided with a first sensor, and the first sensor is used to detect the rotation angle of the rotating shaft; The pressing portion is provided with a second follower structure, and the second driving structure drives the pressing portion and the second follower structure to move through a second transmission structure, the second driving structure includes a second motor, the second transmission structure includes a second rotating shaft and a second cam, the second follower structure includes a second cam follower, a power output end of the second motor is connected to one end of the second rotating shaft, and the other end of the second rotating shaft is provided with the second cam, and the second cam is in contact with the second cam follower; A second sensor is provided on the rail pressure claw support seat, and the second sensor is used to detect the rotation angle of the second rotating shaft; The second follower structure also includes a mounting block, the second cam follower is connected to the mounting block, the mounting block is respectively connected to the track pressure claw support seat and the second Z-direction motion block, the second Z-direction motion block is used to connect with the pressing part, the track pressure claw support seat is provided with a spacer block, a second cross roller is provided between the second Z-direction motion block and the spacer block, and the second Z-direction motion block slides relative to the track pressure claw support seat through the second cross roller.
2. The combined mechanism for lifting, adjusting and pressing a load-bearing product according to claim 1, characterized in that: The first follower structure also includes a connecting frame, the first cam follower is connected to the connecting frame, the connecting frame is arranged on the cross guide rail mounting plate, the cross guide rail mounting plate is connected to the track pressure claw support seat, the frame bearing block is connected to the first Z-direction motion block, and a first cross roller is arranged between the first Z-direction motion block and the cross guide rail mounting plate, and the first Z-direction motion block slides relative to the track pressure claw support seat through the first cross roller.
3. The combined mechanism for lifting, adjusting and pressing a load-bearing product according to claim 2, characterized in that: It also includes a first spring shaft and a first spring, the lower end of the first spring shaft passes through the connecting frame and is connected to the cross guide rail mounting plate, the first spring is sleeved on the outside of the first spring shaft, and the upper end of the first spring is against the limiting part on the first spring shaft.
4. The combined mechanism for lifting, adjusting and pressing a load-bearing product according to claim 2, characterized in that: It also includes a track adjustment plate, a track plate connecting frame and a fine-tuning base plate, one side of the track adjustment plate is used to connect with the first Z-direction motion block, the other side of the track adjustment plate is provided with a groove, the track plate connecting frame is located in the groove, the track plate connecting frame is respectively connected to the track adjustment plate and the frame bearing block, the fine-tuning base plate is located on the side of the first Z-direction motion block, the fine-tuning base plate is provided with an adjusting bolt, and the adjusting bolt is against the track adjustment plate.
5. The combined mechanism for lifting, adjusting and pressing a load-bearing product according to claim 1, characterized in that: It also includes a second spring shaft and a second spring, the lower end of the second spring shaft passes through the mounting block and is connected to the support plate on the rail pressure claw support seat, the second spring is sleeved on the outside of the second spring shaft, and the upper end of the second spring is against the limiting part on the second spring shaft.
6. The combined mechanism for lifting, adjusting and pressing a load-bearing product according to claim 1, characterized in that: The second Z-direction motion block is provided with a Z-direction adjustment block, the Z-direction adjustment block is provided with a first connecting block, the first connecting block is provided with a second connecting block, and the pressing claw connecting rod of the pressing piece extends into the second connecting block and is locked by a knob.
Citation Information
Patent Citations
Lifting device for die bonder
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