A feeding device for chip testing
By introducing clamping and limiting mechanisms into the chip testing device, the problems of plating damage and chip misalignment caused by cylinder clamping are solved, and more efficient chip testing is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEFEI HISEMI SEMICON CO LTD
- Filing Date
- 2025-08-06
- Publication Date
- 2026-05-26
AI Technical Summary
In existing chip testing equipment, the cylinder structure is prone to scratching the plating when holding the chip tray, and the chip is prone to displacement during the tray lifting and lowering process, which affects the testing accuracy.
A feeding device including a clamping mechanism and a limiting mechanism was designed. The clamping mechanism flexibly clamps the chip tray, and the limiting mechanism is set on the outside of the chip slot to prevent the chip from shifting.
It effectively prevents damage to the chip tray plating and ensures the chip remains stable during lifting and lowering, thus improving detection accuracy and efficiency.
Smart Images

Figure CN224278907U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of chip testing loading devices, specifically a loading device for chip testing. Background Technology
[0002] An IC chip integrates a large number of microelectronic components onto a single chip. A memory chip is an IC chip with storage capabilities; it is the most crucial component in storage devices, and its quality directly affects the performance of the storage device. All chips have a certain defect rate, so memory chips require rigorous testing before application.
[0003] Existing patent document CN217675333U discloses a loading and unloading device for automated memory chip testing, comprising a lifting mechanism and a positioning mechanism. The positioning mechanism is located at the upper end of the lifting mechanism and is used to locate the target working position and place the chip tray. The lifting mechanism is used to transport the chip tray. The lifting mechanism includes a liftable pallet for supporting the chip tray, and the pallet is equipped with a positioning component for positioning the chip tray. This invention lays the foundation for realizing large-scale automated testing of memory chips. This technical solution includes a lifting mechanism and a positioning mechanism. The combination of the two mechanisms can accurately transport the chip tray to the target working position, thereby realizing the automated loading and unloading function of memory chips. This technical solution effectively reduces the input of manpower, not only improving the efficiency of chip testing but also saving enterprises a lot of costs.
[0004] Although the device has many beneficial effects, it still has the following problems: The device uses a first cylinder structure to clamp and position the chip tray. The forced clamping of the cylinder will scratch the coating on the edge of the chip tray and is not easy to control flexibly.
[0005] Secondly, the device uses a chip tray to store chips. During the raising and lowering of the chip tray, the chips will shift, affecting subsequent testing. Utility Model Content
[0006] The purpose of this section is to outline some aspects of the embodiments of this utility model and to briefly introduce some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of this section, the abstract, and the title, and such simplifications or omissions should not be used to limit the scope of this utility model.
[0007] 1. Technical problems to be solved:
[0008] To address the aforementioned issues, the device uses a first cylinder structure to clamp and position the chip tray. However, the forced clamping of the cylinder can scratch the coating on the edge of the chip tray and is difficult to control flexibly.
[0009] Secondly, the device uses a chip tray to store chips. During the lifting and lowering of the chip tray, the chips will shift, affecting subsequent testing. Therefore, this utility model was proposed.
[0010] Therefore, the purpose of this invention is to provide a feeding device for chip testing, which can clamp the chip tray and position the chip.
[0011] 2. Technical Solution:
[0012] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution:
[0013] A feeding device for chip testing includes: a support base, wherein a lifting mechanism is provided on the side wall of the support base;
[0014] A clamping mechanism is provided on the lifting mechanism. The clamping end of the clamping mechanism is provided with a chip tray, and the upper end of the chip tray is provided with a chip groove. The chip tray can be clamped and can be quickly removed from the lifting mechanism.
[0015] A limiting mechanism is provided on the outside of the chip slot at the upper end of the chip tray. It can quickly limit the chip and quickly disassemble the chip.
[0016] As a preferred embodiment of the feeding device for chip testing according to the present invention, the lifting mechanism includes a motor, which is disposed on the side wall of the support base;
[0017] A telescopic rod is provided at the drive end of the motor, and a sliding plate is provided at the telescopic end of the telescopic rod;
[0018] A limiting rod is provided at the upper end of the support base and passes through the sliding plate.
[0019] As a preferred embodiment of the feeding device for chip testing according to the present invention, the clamping mechanism includes: a mounting groove a, the mounting groove a is disposed on the sliding plate, a rotating shaft a is disposed in the mounting groove a, and two threads a with opposite thread directions are disposed at both ends of the rotating shaft a;
[0020] A clamping arm a is provided on the thread a. A handle a is provided on the outer side of the clamping arm a. A mounting groove b is provided at one end of the clamping arm a. A bolt is provided in the mounting groove b. A clamping block a is provided on the inner end of the bolt. A handle b is provided on the outer end of the bolt.
[0021] As a preferred embodiment of the feeding device for chip testing according to the present invention, the surface of the clamping block a is provided with an anti-slip groove, the other end of the clamping arm a is provided with a sliding groove, and a limit rod is provided in the sliding groove.
[0022] As a preferred embodiment of the feeding device for chip testing according to the present invention, the limiting mechanism includes: a base, the base being disposed on the surface of the chip tray, a rotating shaft b being disposed inside the base, and two threads b with opposite thread directions being disposed at both ends of the rotating shaft b;
[0023] A clamping arm b, one end of which is disposed on the thread b, and a clamping block b is disposed on the inner side of the other end of the clamping arm b;
[0024] A limiting groove is disposed on the surface of the chip tray;
[0025] A limiting block is disposed at the lower end of one end of the clamping arm b, and the limiting block is disposed in a limiting groove;
[0026] Handle c, which is mounted on the rotating shaft b.
[0027] In a preferred embodiment of the feeding device for chip testing according to the present invention, the clamping block b is configured as a V-shape, and the chip slot is provided at the lower inner end of the clamping block b.
[0028] In a preferred embodiment of the feeding device for chip testing according to this utility model, a top plate is provided at the top of the support base, and the top plate is located at the top of the limiting rod.
[0029] 3. Beneficial effects:
[0030] Compared with the prior art, the beneficial effects of this utility model are:
[0031] This type of feeding device for chip testing can clamp the chip tray by setting a clamping mechanism on the lifting mechanism, and can more flexibly control the clamping state of the clamping mechanism to prevent damage to the chip tray.
[0032] This type of loading device for chip testing uses a limiting mechanism on the outside of the chip slot at the top of the chip tray to limit the chip when it is placed in the chip slot, thus preventing the chip from shifting. Attached Figure Description
[0033] To more clearly illustrate the technical solutions of the embodiments of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:
[0034] Figure 1 This is a schematic diagram of the overall structure of a feeding device for chip testing according to the present invention.
[0035] Figure 2 This is a schematic diagram of the clamping mechanism of a feeding device for chip testing according to the present invention.
[0036] Figure 3 This is a schematic diagram of the handle b structure of a feeding device for chip testing according to the present invention;
[0037] Figure 4 This is a schematic diagram of the limiting mechanism structure of a feeding device for chip testing according to the present invention;
[0038] Figure 5 This is a schematic diagram of the limiting block structure of a feeding device for chip testing according to the present invention.
[0039] The following are the labeling instructions in the diagram: 1. Support base; 11. Top plate; 2. Chip tray; 21. Chip slot; 100. Lifting mechanism; 101. Motor; 102. Telescopic rod; 103. Sliding plate; 104. Limiting rod; 200. Clamping mechanism; 201. Mounting slot a; 202. Rotating shaft a; 203. Thread a; 204. Clamping arm a; 205. Handle a; 206. Mounting slot b; 207. Bolt; 208. Clamping block a; 209. Handle b; 210. Anti-slip groove; 211. Slide groove; 300. Limiting mechanism; 301. Base; 302. Rotating shaft b; 303. Thread b; 304. Clamping arm b; 305. Clamping block b; 306. Limiting groove; 307. Limiting block; 308. Handle c. Detailed Implementation
[0040] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.
[0041] This utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not be construed as limiting the scope of protection of this utility model. In actual manufacturing, the three-dimensional spatial dimensions of length, width, and depth should be included.
[0042] The orientation or positional relationship indicated in the terminology is based on the orientation or positional relationship shown in the accompanying drawings and is only for the convenience of describing the present invention and simplifying the description. It is not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.
[0043] The term "connection method" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0044] The embodiments of this utility model will now be described in further detail with reference to the accompanying drawings.
[0045] This utility model provides an overall structural schematic diagram of an embodiment of a feeding device for chip testing, including:
[0046] Please see Figures 1-5 A feeding device for chip testing according to this embodiment includes: a lifting mechanism 100 provided on the side wall of a support base 1;
[0047] The clamping mechanism 200 is mounted on the lifting mechanism 100. The clamping end of the clamping mechanism 200 is provided with a chip tray 2. The chip tray 2 has a chip groove 21 at its upper end, which can clamp the chip tray 2.
[0048] The limiting mechanism 300 is located on the outside of the chip slot 21 at the upper end of the chip tray 2, and can limit the chip position.
[0049] It is worth noting that, in order to drive the chip tray 2 to rise and fall, the lifting mechanism 100 specifically includes: a motor 101 welded to the side wall of the support base 1;
[0050] The telescopic rod 102 is electrically connected to the drive end of the motor 101, and a sliding plate 103 is welded to the telescopic end of the telescopic rod 102.
[0051] The limiting rod 104 is welded to the upper end of the support base 1, and the limiting rod 104 passes through the sliding plate 103.
[0052] Next, in order to clamp the chip tray 2, specifically, the clamping mechanism 200 includes: a mounting groove a201 is opened on the sliding plate 103, a rotating shaft a202 is rotatably connected in the mounting groove a201, and two threads a203 with opposite thread directions are welded to both ends of the rotating shaft a202, so as to make the components mounted on both ends of the rotating shaft a202 move relative to each other.
[0053] The clamping arm a204 is threaded onto the thread a203. A handle a205 is provided on the outer side of the clamping arm a204. The handle a205 is welded to the top of the rotating shaft a202. One end of the clamping arm a204 has an installation groove b206. A bolt 207 is threaded into the installation groove b206. A clamping block a208 is welded to the inner end of the bolt 207. A handle b209 is welded to the outer end of the bolt 207.
[0054] Meanwhile, to prevent slipping, specifically, the surface of the clamping block a208 is provided with an anti-slip groove 210, and the other end of the clamping arm a204 is provided with a sliding groove 211, in which a limit rod 104 is slidably connected.
[0055] Furthermore, in order to limit the chip, specifically, the limiting mechanism 300 includes: a base 301 welded to the surface of the chip tray 2, a rotating shaft b302 rotatably connected inside the base 301, and two threads b303 with opposite thread directions welded to both ends of the rotating shaft b302.
[0056] One end of the clamping arm b304 is threaded to the thread b303, and a clamping block b305 is welded to the inner side of the other end of the clamping arm b304.
[0057] The limiting groove 306 is formed on the surface of the chip tray 2;
[0058] The limiting block 307 is welded to the lower end of one end of the clamping arm b304, and the limiting block 307 is slidably connected in the limiting groove 306;
[0059] Handle C308 is welded onto the rotating shaft B302.
[0060] It is worth noting that, in order to clamp the chip, the clamping block b305 is specifically designed in a V-shape, and a chip slot 21 is provided on the lower inner side of the clamping block b305.
[0061] Finally, in order to limit the position of the limiting rod 104, specifically, a top plate 11 is welded to the top of the support base 1, and the top plate 11 is welded to the top of the limiting rod 104.
[0062] Combination Figures 1-5 The specific usage process of a chip testing loading device according to this embodiment is as follows:
[0063] 1: According to the actual use, turn the handle c308 to make the rotating shaft b302 rotate, and the clamping arm b304 moves outward to place the chip in the chip slot 21. Turn the handle c308 to make the rotating shaft b302 rotate, and the clamping arm b304 moves inward. The inner end of the clamping block b305 clamps and limits the chip.
[0064] 2: Rotate handle a205 to make the rotating shaft a202 rotate, and the clamping arm a204 moves outward to place the chip tray 2 on the upper end of the clamping block a208. Rotate handle a205 to make the rotating shaft a202 rotate, and the clamping arm a204 moves inward to clamp the chip tray 2.
[0065] 3: Start motor 101, extend telescopic rod 102 to move sliding plate 103, drive chip tray 2 to move upward to the subsequent testing platform.
[0066] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
Claims
1. A feeding device for chip testing, characterized in that, It includes: a support base (1), wherein a lifting mechanism (100) is provided on the side wall of the support base (1); A clamping mechanism (200) is provided on the lifting mechanism (100). The clamping end of the clamping mechanism (200) is provided with a chip tray (2), and the upper end of the chip tray (2) is provided with a chip groove (21). A limiting mechanism (300) is provided on the outside of the chip slot (21) at the upper end of the chip tray (2).
2. The feeding device for chip testing according to claim 1, characterized in that, The lifting mechanism (100) includes a motor (101), which is disposed on the side wall of the support base (1); Telescopic rod (102), the telescopic rod (102) is disposed at the drive end of the motor (101), and the telescopic end of the telescopic rod (102) is provided with a sliding plate (103); A limiting rod (104) is provided on the upper end of the support base (1) and the limiting rod (104) passes through the sliding plate (103).
3. The feeding device for chip testing according to claim 2, characterized in that, The clamping mechanism (200) includes: a mounting groove a (201), the mounting groove a (201) is disposed on the sliding plate (103), a rotating shaft a (202) is disposed in the mounting groove a (201), and two threads a (203) with opposite thread directions are disposed at both ends of the rotating shaft a (202); A clamping arm a (204) is provided on the thread a (203). A handle a (205) is provided on the outer side of the clamping arm a (204). A mounting groove b (206) is provided at one end of the clamping arm a (204). A bolt (207) is provided in the mounting groove b (206). A clamping block a (208) is provided on the inner end of the bolt (207). A handle b (209) is provided on the outer end of the bolt (207).
4. The feeding device for chip testing according to claim 3, characterized in that, The surface of the clamping block a (208) is provided with an anti-slip groove (210), and the other end of the clamping arm a (204) is provided with a sliding groove (211), and a limit rod (104) is provided in the sliding groove (211).
5. The feeding device for chip testing according to claim 4, characterized in that, The limiting mechanism (300) includes: a base (301), the base (301) is disposed on the surface of the chip tray (2), the base (301) is provided with a rotating shaft b (302) inside, and the two ends of the rotating shaft b (302) are provided with two threads b (303) with opposite thread directions; A clamping arm b (304) is provided at one end on the thread b (303), and a clamping block b (305) is provided on the inner side of the other end of the clamping arm b (304); A limiting groove (306) is provided on the surface of the chip tray (2); A limiting block (307) is disposed at the lower end of one end of the clamping arm b (304), and the limiting block (307) is disposed in the limiting groove (306); A handle c (308) is disposed on the rotating shaft b (302).
6. The feeding device for chip testing according to claim 5, characterized in that, The clamping block b (305) is configured in a V-shape, and the chip slot (21) is provided on the lower inner side of the clamping block b (305).
7. The feeding device for chip testing according to claim 6, characterized in that, The top of the support base (1) is provided with a top plate (11), which is located at the top of the limiting rod (104).