Chip storing and feeding mechanism
By designing the chip storage and loading mechanism, using the combination of the motor-driven screw rod and cylinder push block, the lifting and position calibration of the MEMS chip tray is achieved, which solves the problem of high cost of existing equipment and improves the chip loading accuracy and testing efficiency.
Patent Information
- Application Number
- CN202422505361.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-16
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-10-16
AI Technical Summary
The existing MEMS chip test equipment is expensive and difficult to achieve large-scale promotion, resulting in an increase in manufacturing costs and testing cycles for MEMS chip manufacturers, affecting economic benefits.
A chip storage and feeding mechanism is designed to achieve the lifting and feeding of the chip tray through a motor-driven screw and nut structure, and the position calibration of the uppermost chip tray from two directions is used to improve position accuracy.
It improves the accuracy of chip loading, reduces the cost and cycle of MEMS chip testing, and improves economic benefits.
Smart Images
Figure CN223133377U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of chip testing, in particular to a chip storage and feeding mechanism. Background Art
[0002] In recent years, the miniaturization trend of MEMS chips has become increasingly obvious, and the detection requirements for MEMS chips are also increasing continuously. There are a wide variety of MEMS types, and hundreds of millions of MEMS are consumed worldwide every year, and they are widely used in fields such as smart phones, automotive electronics, and intelligent manufacturing. Moreover, the market share of MEMS chips depends more on their own quality. The quality inspection of MEMS chips usually requires the use of corresponding test sockets to achieve the control of the quality of MEMS chips. However, the existing products for MEMS chip testing have too high manufacturing costs and cannot be well promoted and applied on a larger scale, thus greatly increasing the manufacturing costs and test cycles of MEMS chip manufacturers, which is not conducive to improving their economic benefits. Summary of the Utility Model
[0003] The purpose of the utility model is to provide a chip storage and feeding mechanism, which can calibrate the position of the chip tray at the top layer after lifting from two directions to ensure the position accuracy of the chip tray at the top layer for supplying chips, thereby improving the feeding accuracy of the chips.
[0004] To achieve the above purpose, the technical solution adopted by the utility model is: a chip storage and feeding mechanism, including: at least one feeding box and at least one discharging box. A plurality of chip trays arranged vertically are provided in both the feeding box and the discharging box. A horizontally extending support plate is fixedly installed between the inner walls of each feeding box and discharging box. The upper end of a vertically extending lead screw passes through the support plate and is connected to a top plate arranged above the support plate. The lower end of the lead screw is connected to the output shaft of a motor. A nut is sleeved outside the lead screw, and the nut in threaded cooperation with the lead screw is fixedly installed on the support plate. A vertical support plate is installed on the lower surface of the support plate. A movable block that can move vertically is installed on the vertical support plate through a slide rail and a slider, and the motor is installed on the movable block;
[0005] On the upper surface of the support plate and outside the outer corners at both ends of the top plate, a limit plate is provided on each side. A number of chip trays stacked on the upper surface of the top plate are located within the area surrounded by four vertically extending limit plates. On the outside of each end of any long side of the chip tray on the topmost layer, a first pusher is provided, and on the outside of any short side of this chip tray, a second pusher is provided. Each of the two first pushers that can move along the short side direction of the chip tray is connected to the piston rod of a first cylinder, and the second pusher that can move along the long side direction of the chip tray is connected to the piston rod of a second cylinder.
[0006] The further improved solutions in the above technical solutions are as follows:
[0007] 1. In the above solution, the second pusher is arranged outside at least one limit plate, and an avoidance through hole for the second pusher to pass through is provided on this limit plate.
[0008] 2. In the above solution, each of the first cylinder and the second cylinder is installed on the inner wall of the loading box and the unloading box or on the limit plate.
[0009] 3. In the above solution, the two first cylinders are respectively arranged outside the two ends of the chip tray. The first pusher is an L-shaped pusher. The vertical part of this L-shaped pusher is connected to the piston rod of the first cylinder, and the horizontal part is located outside the two ends of the long side of the chip tray on the topmost layer. Avoidance holes for the horizontal part of the L-shaped pusher to be embedded are provided on the inner walls of the loading box and the unloading box.
[0010] 4. In the above solution, at least two vertically extending guide posts are installed on the lower surface of the top plate, and guide sleeves corresponding to the guide posts are installed on the support plate. Each guide post passes through the corresponding guide sleeve and is slidably matched with this guide sleeve.
[0011] 5. In the above solution, the four guide posts are respectively installed at the four corners of the lower surface of the top plate.
[0012] Due to the application of the above technical solutions, the present utility model has the following advantages compared with the prior art:
[0013] The chip storage and feeding mechanism of the present utility model is characterized in that a horizontally extending support plate is fixedly installed between the inner walls of each feeding box and discharging box. The upper end of a vertically extending lead screw passes through the support plate and is connected to a top plate arranged above the support plate. The lower end of the lead screw is connected to the output shaft of a motor. A nut is sleeved outside the lead screw, and the nut in threaded cooperation with the lead screw is fixedly installed on the support plate. A vertical support plate is installed on the lower surface of the support plate. A movable block capable of moving in the vertical direction is installed on the vertical support plate through a slide rail and a slider. The motor is installed on the movable block. On the upper surface of the support plate and outside the outer corners at both ends of the top plate, a limiting plate is arranged respectively. A plurality of chip trays stacked on the upper surface of the top plate are located in the area surrounded by 4 vertically extending limiting plates. On the outside of both ends of any long side of the chip tray located on the uppermost layer, a first pushing block is arranged respectively. On the outside of any short side of this chip tray, a second pushing block is arranged. Each of the 2 first pushing blocks capable of moving along the short side direction of the chip tray is connected to the piston rod of a first air cylinder. The second pushing block capable of moving along the long side direction of the chip tray is connected to the piston rod of a second air cylinder. It can not only lift and replenish the trays in the box, but also calibrate the position of the chip tray located on the uppermost layer after lifting from two directions, so as to ensure the position accuracy of the chip tray located on the uppermost layer for supplying chips, thereby improving the feeding accuracy of the chips. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Appendix Figure 1 is a schematic structural diagram of the chip storage and feeding mechanism of the present utility model;
[0015] Appendix Figure 2 is a schematic internal structural diagram of the chip storage and feeding mechanism of the present utility model;
[0016] Appendix Figure 3 is a schematic partial structural diagram of the chip storage and feeding mechanism of the present utility model.
[0017] In the above drawings: 100, chip tray; 1, feeding box; 2, discharging box; 3, support plate; 4, lead screw; 5, top plate; 6, motor; 7, nut; 8, vertical support plate; 9, slide rail; 10, slider; 11, movable block; 121, guide post; 122, guide sleeve; 13, bearing seat; 14, limiting plate; 15, first pushing block; 16, second pushing block; 17, first air cylinder; 18, second air cylinder. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0018] The present utility model can be further clearly understood through the following specific embodiments given, but they do not limit the present utility model.
[0019] Embodiment 1: A chip storage feeding mechanism, comprising: at least one feeding box 1 and at least one discharging box 2. A plurality of chip trays 100 arranged vertically are provided in both the feeding box 1 and the discharging box 2. A horizontally extending support plate 3 is fixedly installed between the inner walls of each feeding box 1 and discharging box 2. The upper end of a vertically extending lead screw 4 passes through the support plate 3 and is connected to a top plate 5 provided above the support plate 3. The lower end of the lead screw 4 is connected to the output shaft of a motor 6. A nut 7 is sleeved outside the lead screw 4, and the nut 7 in threaded cooperation with the lead screw 4 is fixedly installed on the support plate 3. A vertical support plate 8 is installed on the lower surface of the support plate 3. A movable block 11 that can move vertically is installed on the vertical support plate 8 through a slide rail 9 and a slider 10. The motor 6 is installed on the movable block 11;
[0020] On the upper surface of the support plate 3 and outside the outer corners at both ends of the top plate 5, a limiting plate 14 is provided on each side. A plurality of chip trays 100 stacked on the upper surface of the top plate 5 are located in the area surrounded by the four vertically extending limiting plates 14. On the outside of each end of any long side of the chip tray 100 located at the top layer, a first push block 15 is provided. On the outside of any short side of this chip tray 100, a second push block 16 is provided. Each of the two first push blocks 15 that can move along the short side direction of the chip tray 100 is connected to the piston rod of a first cylinder 17. The second push block 16 that can move along the long side direction of the chip tray 100 is connected to the piston rod of a second cylinder 18.
[0021] The above-mentioned second push block 16 is provided outside at least one limiting plate 14, and an avoidance through hole for the second push block 16 to pass through is opened on this limiting plate 14.
[0022] The above-mentioned first cylinder 17 and second cylinder 18 are each installed on the inner wall of the feeding box 1 and discharging box 2 or on the limiting plate 14.
[0023] The two first cylinders 17 are respectively provided outside both ends of the chip tray 100. The first push block 15 is an L-shaped push block. The vertical part of this L-shaped push block is connected to the piston rod of the first cylinder 17, and the horizontal part is located outside both ends of the long side of the chip tray 100 at the top layer. Avoidance holes for the horizontal part of the L-shaped push block to be embedded are opened on the inner walls of the feeding box 1 and discharging box 2.
[0024] Embodiment 2: A chip storage loading mechanism, comprising: at least one loading box 1 and at least one unloading box 2. A plurality of chip trays 100 arranged vertically are provided in both the loading box 1 and the unloading box 2. A horizontally extending support plate 3 is fixedly installed between the inner walls of each loading box 1 and unloading box 2. The upper end of a vertically extending lead screw 4 passes through the support plate 3 and is connected to a top plate 5 provided above the support plate 3. The lower end of the lead screw 4 is connected to the output shaft of a motor 6. A nut 7 is sleeved outside the lead screw 4, and the nut 7 in threaded cooperation with the lead screw 4 is fixedly installed on the support plate 3. A vertical support plate 8 is installed on the lower surface of the support plate 3. A movable block 11 that can move vertically is installed on the vertical support plate 8 through a slide rail 9 and a slider 10. The motor 6 is installed on the movable block 11;
[0025] On the upper surface of the support plate 3 and outside the outer corners at both ends of the top plate 5, a limit plate 14 is provided on each side. A plurality of chip trays 100 stacked on the upper surface of the top plate 5 are located in the area surrounded by 4 vertically extending limit plates 14. On the outside of both ends of any long side of the chip tray 100 located on the uppermost layer, a first push block 15 is provided on each side. On the outside of any short side of this chip tray 100, a second push block 16 is provided. Each of the 2 first push blocks 15 that can move along the short side direction of the chip tray 100 is connected to the piston rod of a first cylinder 17, and the second push block 16 that can move along the long side direction of the chip tray 100 is connected to the piston rod of a second cylinder 18.
[0026] At least 2 vertically extending guide posts 121 are installed on the lower surface of the top plate 5. Guide sleeves 122 corresponding to the guide posts 121 are installed on the support plate 3. Each guide post 121 passes through the corresponding guide sleeve 122 and is slidably engaged with this guide sleeve 122.
[0027] The 4 guide posts 121 are respectively installed at the four corners of the lower surface of the top plate 5.
[0028] The lower end of the lead screw 4 is rotatably installed on the movable block 11 through a bearing block 13.
[0029] The nut 7 is fixedly installed on the lower surface of the support plate 3.
[0030] By driving the top plate to move upward through the motor, the chip trays stacked on the upper surface of the top plate and containing the chips to be tested are moved upward for compensation, and the chip tray located on the uppermost layer moves to the loading position; then the first cylinder and the second cylinder are started to drive the first push block and the second push block to position the chip tray located on the uppermost layer from 2 directions, improving the position accuracy of the chip tray located on the uppermost layer, and further improving the accuracy of subsequent chip loading.
[0031] When the above chip storage and feeding mechanism is adopted, it can not only lift and replenish the trays in the cartridge, but also calibrate the position of the chip tray at the top layer after lifting from two directions to ensure the position accuracy of the chip tray at the top layer for supplying chips, thereby improving the feeding accuracy of the chips.
[0032] The above embodiments are only used to illustrate the technical concept and characteristics of the present invention, and the purpose is to enable those who are familiar with this technology to understand the content of the present invention and implement it accordingly, and it cannot be used to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims
1. A chip storage and feeding mechanism, comprising: At least one loading box (1) and at least one unloading box (2), wherein a plurality of chip trays (100) arranged vertically are provided in each of the loading box (1) and the unloading box (2). It is characterized in that: A horizontally extending support plate (3) is fixedly installed between the inner walls of each of the loading box (1) and the unloading box (2). The upper end of a vertically extending lead screw (4) passes through the support plate (3) and is connected to a top plate (5) arranged above the support plate (3). The lower end of the lead screw (4) is connected to the output shaft of a motor (6). A nut (7) is sleeved outside the lead screw (4). The nut (7) in threaded cooperation with the lead screw (4) is fixedly installed on the support plate (3). A vertical support plate (8) is installed on the lower surface of the support plate (3). A movable block (11) that can move vertically is installed on the vertical support plate (8) through a slide rail (9) and a slider (10). The motor (6) is installed on the movable block (11); On the upper surface of the support plate (3) and outside the outer corners at both ends of the top plate (5), a limit plate (14) is provided on each side. A plurality of chip trays (100) stacked on the upper surface of the top plate (5) are located in the area surrounded by 4 vertically extending limit plates (14). On the outside of both ends of any long side of the chip tray (100) located on the top layer, a first push block (15) is provided on each side. On the outside of any short side of this chip tray (100), a second push block (16) is provided. Each of the 2 first push blocks (15) that can move along the short side direction of the chip tray (100) is connected to the piston rod of a first cylinder (17). The second push block (16) that can move along the long side direction of the chip tray (100) is connected to the piston rod of a second cylinder (18).
2. The chip storage and loading mechanism according to claim 1, characterized in that: The second push block (16) is arranged outside at least one limit plate (14). An avoidance through hole for the second push block (16) to pass through is opened on this limit plate (14).
3. The chip storage and feeding mechanism according to claim 1, characterized in that: Each of the first cylinder (17) and the second cylinder (18) is installed on the inner wall of the loading box (1) and the unloading box (2) or on the limit plate (14).
4. The chip storage and loading mechanism according to claim 1, wherein: The 2 first cylinders (17) are respectively arranged outside both ends of the chip tray (100). The first push block (15) is an L-shaped push block. The vertical part of this L-shaped push block is connected to the piston rod of the first cylinder (17), and the horizontal part is located outside both ends of the long side of the chip tray (100) on the top layer. Avoidance holes for the horizontal part of the L-shaped push block to be embedded are opened on the inner walls of the loading box (1) and the unloading box (2).
5. The chip storage and feeding mechanism according to claim 1, characterized in that: At least 2 vertically extending guide posts (121) are installed on the lower surface of the top plate (5). Guide sleeves (122) corresponding to the guide posts (121) are installed on the support plate (3). Each guide post (121) passes through the corresponding guide sleeve (122) and is in sliding cooperation with this guide sleeve (122).
6. The chip storage and feeding mechanism according to claim 5, wherein: The 4 guide posts (121) are respectively installed at the four corners of the lower surface of the top plate (5).