Sucking disc suitable for testing strip-shaped chip
By designing a suction cup containing multiple sets of adsorption ports, suction hoods and compression structures, the shortcomings in the strip chip test suction cup limits and compression in the prior art are solved, and higher stability and flexibility are achieved .
Patent Information
- Application Number
- CN202421064999.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-05-15
AI Technical Summary
The existing strip chip test suction cups have shortcomings in the installation position limit and chip compression fixation, resulting in poor stability.
A suction cup including a suction cup body, an auxiliary pad, a group of suction ports, an air hood, a suction duct and a pressing structure are designed. By setting a limiting plate, lifting structure and moving driving structure, flexible limiting and stable compression of the chip can be achieved.
It improves the stability and flexibility of the chip during the test process, ensures the correct placement and stable compression of the chip, and improves the reliability of the test.
Smart Images
Figure CN222523666U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of suction cups, and more specifically, to a suction cup suitable for testing strip chips. Background Art
[0002] Chip, also known as integrated circuit (IC), is an electronic component that integrates millions of electronic components (such as transistors, capacitors, resistors, etc.) on a tiny silicon chip. Chips are the core of modern electronic technology and information technology, and are widely used in computers, communications, control, embedded systems and other fields.
[0003] The chip manufacturing process includes steps such as design, manufacturing, packaging and testing;
[0004] During the testing of the strip chip, the chip to be tested needs to be placed on the suction cup structure, and the chip is stably placed during the testing process through the effect of vacuum adsorption;
[0005] However, the existing suction cup for testing strip chips has poor positioning when testing strip chips, and cannot limit the placement of the chip according to the size of the chip, and has poor stability.
[0006] In addition, during the chip testing process, the placement stability of the chip is poor simply by adsorbing it with a suction cup. The suction cup for testing strip chips in the prior art cannot press the top of the chip during the chip testing process, resulting in poor test stability. Utility Model Content
[0007] 1. Technical issues to be solved
[0008] In view of the problems existing in the prior art, the utility model provides a suction cup suitable for strip chip testing to solve the technical problems mentioned in the background technology that the suction cup for strip chip testing in the prior art is not convenient for flexibly limiting the installation position of the suction cup, cannot press and fix the chip during the test, and has poor stability.
[0009] (II) Technical solution
[0010] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0011] A suction cup suitable for testing strip chips, comprising a suction cup body, an auxiliary pad is provided on the top of the suction cup body, and multiple groups of suction ports are opened on the suction cup body extending to the top of the auxiliary pad, and the bottom end of the suction cup body is connected to each group of suction ports and is provided with a suction hood, and the bottom end of the suction hood is provided with a suction pipe, and each of the suction pipes is provided with a valve, and the bottom end of the suction pipe is connected with a suction assembly, and multiple groups of fixing frames are provided on one side of the suction cup body, and each group of the fixing frames is provided with a lifting structure, and a mounting frame is provided at the bottom end of the lifting structure, and multiple groups of clamping structures are synchronously arranged on the mounting frame in opposite directions, and two groups of limit plates are symmetrically arranged on the auxiliary pad, and a mobile driving structure is provided on the suction cup body to cooperate with the suction cup body.
[0012] The utility model is further configured such that the mobile driving structure includes a supporting frame arranged on the suction cup body, a first electric push rod is arranged on the supporting frame connected to the limiting plate, and a first limiting telescopic rod is arranged in conjunction with the first electric push rod, and the mobile driving of the limiting plate can be realized by the configuration of the first electric push rod and the first limiting telescopic rod.
[0013] The utility model is further configured such that the lifting structure includes a second electric push rod arranged on a fixed frame, the mounting frame is installed at the bottom end of the second electric push rod, and two groups of second position-limiting telescopic rods are symmetrically arranged between the mounting frame and the fixed frame to cooperate with the second electric push rod. The lifting and lowering adjustment of the mounting frame can be achieved through the arrangement of the second electric push rod and the second position-limiting telescopic rod.
[0014] The utility model is further configured such that the suction assembly includes a suction box connected to the bottom end of the suction pipe, the suction box is provided with a connecting pipe, the connecting pipe is connected to an external vacuum pumping device, and vacuum adsorption of the suction pipe can be achieved through the configuration of the suction box and the connecting pipe.
[0015] The utility model is further configured as follows: a bidirectional screw is rotatably installed on the mounting frame through a bearing, and a motor is provided for transmission connection with the bidirectional screw, a driving block is provided on the bidirectional screw, and the clamping structure is provided with a bottom end of the driving block, and the clamping structure can be driven to move synchronously in opposite directions through the cooperation of the motor, the bidirectional screw and the driving block.
[0016] The utility model is further configured that limiting columns are arranged on both sides of the bidirectional screw, and the driving block is slidingly sleeved on the limiting columns. The movement stability of the driving block can be improved by the arrangement of the limiting columns.
[0017] The utility model is further configured such that the clamping structure includes a connecting column arranged at the bottom end of the driving block, an elastic connecting piece is arranged at the bottom end of the connecting column, and a clamping plate is arranged at the bottom end of the elastic connecting piece. The stable clamping of the chip during the test can be achieved through the configuration of the connecting column, the elastic connecting piece and the clamping plate.
[0018] The utility model is further configured such that the elastic connecting member includes a mounting plate arranged at the bottom end of the connecting column, a spring is arranged between the mounting plate and the clamping plate, and the elastic connection of the clamping plate at the bottom end of the connecting column can be achieved through the cooperation of the mounting plate and the spring.
[0019] (III) Beneficial effects
[0020] Compared with the prior art, the utility model provides a suction cup suitable for strip chip testing, which has the following beneficial effects:
[0021] 1. When the utility model implements the test of the strip chip, the strip chip can be placed on the suction cup body, and the external vacuum equipment can cooperate with the connecting pipe to suck air from the suction box, and the suction box and the suction pipe cooperate to realize the vacuum adsorption at the suction hood and the adsorption port. At the same time, the adsorption control of each group of adsorption ports can be independently controlled through the cooperation of the valve and the suction pipe, thereby improving the flexibility and stability during use.
[0022] 2. The utility model is provided with two sets of clamping structures that can move toward each other, so that the movement and adjustment of the clamping position of the clamping structure can be flexibly realized, so that the strip chip can be flexibly and stably clamped and fixed during detection, thereby improving the stability of the strip chip during detection.
[0023] 3. The utility model has two groups of limit plates symmetrically arranged on the auxiliary pad, and a mobile driving structure is arranged on the suction cup body in conjunction with the suction cup body. The mobile driving structure includes a carrier frame arranged on the suction cup body, a first electric push rod is arranged on the carrier frame connected to the limit plate, and a first limit telescopic rod is arranged in conjunction with the first electric push rod. When the first electric push rod is started, the movement of the limit plate can be controlled by the first electric push rod. The movement of the limit plate can limit the movement limit of the chip at the auxiliary pad placement position, thereby improving the placement stability of the chip on the auxiliary pad. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 The overall structure of a suction cup suitable for testing strip chips in the utility model is shown in FIG. Figure 1 ;
[0025] Figure 2 The overall structure of a suction cup suitable for testing strip chips in the utility model is shown in FIG. Figure 2 ;
[0026] Figure 3 It is a schematic diagram of the matching relationship between the suction cup body and the limiting plate in the utility model;
[0027] Figure 4It is a cross-sectional schematic diagram of the connection structure between the suction cup body, the auxiliary pad, the suction cover, the suction pipe, the suction box and the connecting pipe in the utility model;
[0028] Figure 5 It is a schematic diagram of the connection structure between the fixing frame, the mounting frame and the pressing structure in the utility model;
[0029] Figure 6 It is a schematic diagram of the connection structure among the driving block, the connecting column, the elastic connecting piece and the pressing plate in the utility model.
[0030] In the figure: 1. suction cup body; 2. auxiliary pad; 3. suction port; 4. suction hood; 5. suction pipe; 6. valve; 7. fixing frame; 8. mounting frame; 9. limit plate; 10. bearing frame; 11. first electric push rod; 12. first limit telescopic rod; 13. second electric push rod; 14. second limit telescopic rod; 15. suction box; 16. connecting pipe; 17. bidirectional screw; 18. motor; 19. drive block; 20. limit column; 21. connecting column; 22. elastic connecting piece; 23. clamping plate; 24. mounting plate; 25. spring. DETAILED DESCRIPTION
[0031] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0032] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.
[0033] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.
[0034] See also Figure 1-6A suction cup suitable for testing a strip chip comprises a suction cup body 1, an auxiliary pad 2 is arranged at the top of the suction cup body 1, and the suction cup body 1 extends to the top of the auxiliary pad 2 to open a plurality of groups of suction ports 3, wherein the suction ports 3 are formed by a plurality of groups of suction holes arranged in a strip array, and a suction cover 4 is arranged at the bottom end of the suction cup body 1 and connected to each group of suction ports 3, and a suction pipe 5 is arranged at the bottom end of the suction cover 4, and each suction pipe 5 is provided with a valve 6, and the bottom end of the suction pipe 5 is connected to a suction assembly, wherein the suction assembly comprises a suction connected to the bottom end of the suction pipe 5. The bellows 15 is provided with a connecting pipe 16, and the connecting pipe 16 is connected to an external vacuum pumping device. In this way, when testing the strip chip, the strip chip can be placed on the suction cup body 1, and the external vacuum pumping device can cooperate with the connecting pipe 16 to suck air from the suction box 15. At the same time, the suction box 15 cooperates with the suction pipe 5 to achieve vacuum adsorption at the suction hood 4 and the adsorption port 3. At the same time, the adsorption control of each group of adsorption ports 3 can be independently controlled through the cooperation of the valve 6 and the suction pipe 5, thereby improving the flexibility and stability during use.
[0035] The utility model is provided with multiple groups of fixing frames 7 on one side of the suction cup body 1, each group of fixing frames 7 is provided with a lifting structure, a mounting frame 8 is provided at the bottom end of the lifting structure, and multiple groups of clamping structures are synchronously provided on the mounting frame 8, wherein the lifting structure includes a second electric push rod 13 provided on the fixing frame 7, the mounting frame 8 is installed at the bottom end of the second electric push rod 13, two groups of second limit telescopic rods 14 are symmetrically provided between the mounting frame 8 and the fixing frame 7 in cooperation with the second electric push rod 13, a bidirectional screw 17 is rotatably installed on the mounting frame 8 through a bearing, and a motor 18 is provided for transmission connection with the bidirectional screw 17, and the bidirectional screw 17 is provided with a motor 18 ... A driving block 19 is provided on the screw 17, and a bottom end of the driving block 19 is provided on the clamping structure. Limiting posts 20 are provided on both sides of the bidirectional screw 17, and the driving block 19 is slidably sleeved on the limiting posts 20. The motor 18 is started, and the rotation of the bidirectional screw 17 can be controlled by the motor 18. The movement of the driving block 19 can be controlled by the cooperation between the bidirectional screw 17 and the driving block 19. The movement of the driving block 19 can control the synchronous movement of the two sets of clamping structures toward each other, thereby realizing flexible adjustment of the clamping position when the chip is tested, realizing stable clamping of the chip during the test, and improving the stability of the chip during the test;
[0036] At the same time, when the chip is pressed, the lifting of the mounting frame 8 can be controlled by controlling the extension and retraction of the second electric push rod 13, and the lifting of the pressing structure can be controlled by the lifting of the mounting frame 8, so as to achieve stable pressing of the chip during the detection process;
[0037] In the last process, the provision of the second limiting telescopic rod 14 can improve the stability of the mounting frame 8 when it is lifted and lowered, thereby improving the stability of the pressing structure when pressing the chip.
[0038] The utility model symmetrically arranges two groups of limit plates 9 on the auxiliary pad 2, and the suction cup body 1 is matched with the suction cup body 1 to be matched with the suction cup body 1. The mobile driving structure includes a carrier 10 arranged on the suction cup body 1, and a first electric push rod 11 is arranged on the carrier 10 to connect the limit plates 9, and a first limit telescopic rod 12 is matched with the first electric push rod 11. When the first electric push rod 11 is started, the movement of the limit plates 9 can be controlled by the first electric push rod 11. The movement of the limit plates 9 can limit the mobile limit of the chip at the placement position of the auxiliary pad 2, thereby improving the placement stability of the chip on the auxiliary pad 2.
[0039] The provision of the first limiting telescopic rod 12 can improve the movement stability of the limiting plate 9 .
[0040] In the utility model, the clamping structure includes a connecting column 21 arranged at the bottom end of the driving block 19, an elastic connecting member 22 is arranged at the bottom end of the connecting column 21, a clamping plate 23 is arranged at the bottom end of the elastic connecting member 22, the elastic connecting member 22 includes a mounting plate 24 arranged at the bottom end of the connecting column 21, and a spring 25 is arranged between the mounting plate 24 and the clamping plate 23;
[0041] Specifically, when the clamping structure is used to realize clamping during chip detection, the clamping plate 23 first contacts the chip and at the same time squeezes the spring 25 upward, causing the spring 25 to contract, thereby realizing stable clamping of the chip by the clamping plate 23 and preventing the clamping plate 23 from causing rigid clamping of the chip.
[0042] In summary, when the overall equipment is in use:
[0043] The strip chip to be tested is placed at the suction port 3 on the suction cup body 1. The auxiliary pad 2 can improve the suction effect of the suction cup body 1 on the strip chip. The external vacuum suction pump can sequentially cooperate with the connecting pipe 16, the suction box 15, the suction pipe 5, the suction cover 4 and the suction port 3 to achieve stable suction of the chip placed on the auxiliary pad 2. The auxiliary pad 2 is preferably made of rubber material to improve the sealing of the chip during suction.
[0044] At the same time, the first electric push rod 11 is started, and the movement of the limit plate 9 can be controlled by the first electric push rod 11. The movement of the limit plate 9 can limit the movement limit of the chip at the placement position of the auxiliary pad 2, thereby improving the placement stability of the chip on the auxiliary pad 2;
[0045] At the same time, the second electric push rod 13 is started, and the lifting and lowering of the mounting frame 8 can be controlled by controlling the extension and retraction of the second electric push rod 13. The lifting and lowering of the mounting frame 8 can control the lifting and lowering of the clamping structure, thereby achieving stable clamping of the chip during the detection process;
[0046] At the same time, the motor 18 is started, and the rotation of the bidirectional screw 17 can be controlled by the motor 18. The movement of the driving block 19 can be controlled by the cooperation between the bidirectional screw 17 and the driving block 19. The movement of the driving block 19 can control the synchronous movement of the two groups of clamping structures toward each other, thereby realizing flexible adjustment of the clamping position when the chip is tested, realizing stable clamping of the chip during the test, and improving the stability of the chip during the test;
[0047] During this process, when the clamping structure is clamping the chip, the clamping plate 23 will first contact the chip and at the same time squeeze the spring 25 upward, causing the spring 25 to contract, thereby achieving stable clamping of the chip by the clamping plate 23 and preventing the clamping plate 23 from rigidly squeezing the chip.
[0048] In all the schemes mentioned above, the connection between two parts can be selected according to the actual situation by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which will not be described one by one here. In the above, all fixed connections are preferably considered to be welding. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents;
[0049] In all the schemes mentioned above, the operation of electrical components is controlled by a controller. Since the devices matched with the controller are commonly used devices, their control principles and line connections are all existing well-known and mature technologies, and their electrical connection relationships and specific circuit structures will not be elaborated here.
Claims
1. A suction cup suitable for testing a strip chip, comprising a suction cup body (1), characterized in that: The top of the suction cup body (1) is provided with an auxiliary pad (2); the suction cup body (1) is extended to the top of the auxiliary pad (2) and is provided with a plurality of suction ports (3); the bottom of the suction cup body (1) is connected to each group of suction ports (3) and is provided with a suction hood (4); the bottom end of the suction hood (4) is provided with a suction pipe (5); each suction pipe (5) is provided with a valve (6); the bottom end of the suction pipe (5) is connected with a suction assembly; one side of the suction cup body (1) is provided with a plurality of fixing frames (7); each group of the fixing frames (7) is provided with a lifting structure; the bottom end of the lifting structure is provided with a mounting frame (8); the mounting frame (8) is provided with a plurality of clamping structures facing each other synchronously; two groups of limit plates (9) are symmetrically provided on the auxiliary pad (2); and a moving drive structure is provided on the suction cup body (1) in coordination with the suction cup body (1).
2. A suction cup suitable for testing a strip chip according to claim 1, characterized in that: The mobile driving structure comprises a support frame (10) arranged on the suction cup body (1), the support frame (10) being connected to a limiting plate (9) and provided with a first electric push rod (11), and a first limiting telescopic rod (12) being provided in conjunction with the first electric push rod (11).
3. The suction cup suitable for testing a strip chip according to claim 1, characterized in that: The lifting structure comprises a second electric push rod (13) arranged on a fixing frame (7), the mounting frame (8) being mounted on the bottom end of the second electric push rod (13), and two sets of second limit telescopic rods (14) being symmetrically arranged between the mounting frame (8) and the fixing frame (7) in coordination with the second electric push rod (13).
4. The suction cup suitable for testing a strip chip according to claim 1, characterized in that: The air suction assembly comprises an air suction box (15) connected to the bottom end of the air suction pipe (5), and the air suction box (15) is provided with a connecting pipe (16), and the connecting pipe (16) is connected to an external vacuum pumping device.
5. A suction cup suitable for testing a strip chip according to any one of claims 1 to 4, characterized in that: A bidirectional screw (17) is rotatably mounted on the mounting frame (8) via a bearing, and a motor (18) is provided for transmission connection with the bidirectional screw (17). A driving block (19) is provided on the bidirectional screw (17), and the clamping structure is provided with the bottom end of the driving block (19).
6. The suction cup suitable for testing a strip chip according to claim 5, characterized in that: Limiting posts (20) are arranged on both sides of the bidirectional screw rod (17), and the driving block (19) is slidably sleeved on the limiting posts (20).
7. The suction cup suitable for testing a strip chip according to claim 6, characterized in that: The clamping structure comprises a connecting column (21) arranged at the bottom end of the driving block (19), an elastic connecting piece (22) is arranged at the bottom end of the connecting column (21), and a clamping plate (23) is arranged at the bottom end of the elastic connecting piece (22).
8. The suction cup suitable for testing a strip chip according to claim 7, characterized in that: The elastic connecting member (22) comprises a mounting plate (24) arranged at the bottom end of the connecting column (21), and a spring (25) is arranged between the mounting plate (24) and the pressing plate (23).