Chip tube shell clamping workbench
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-19
- Publication Date
- 2026-08-11
AI Technical Summary
[0003]本实用新型的目的是提供一种芯片管壳夹持工作台,有效解决人工对逐个芯片进行上料、下料,封装效率低的问题
[0016]This utility model provides a chip casing clamping worktable, including a support body, a tray, a lifting component, and a pressure plate. The support body has a guide rail, the tray is slidably mounted on the guide rail, the pressure plate is positioned above the guide rail and fixedly connected to the support body, and there is a sliding space between the pressure plate and the guide rail. The tray is positioned within this sliding space, and the lifting component is positioned below the guide rail, lifting the tray so that it abuts against the pressure plate. The chip casing is placed on the tray, and the pressure plate has a first clearance hole to avoid obstructing the chip casing. The tray has multiple placement slots, each holding one chip casing. Therefore, multiple chip casings can be placed on the tray, and while processing the chip casings, workers can continue to place chip casings on other trays to ensure processing continuity, effectively solving the problem of low packaging efficiency caused by manually loading and unloading individual chips.
Smart Images

Figure CN224616300U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of chip tooling technology, specifically to a chip casing clamping worktable. Background Technology
[0002] Chip packaging refers to the process of encapsulating a chip into a chip casing. Current chip packaging methods are divided into two types: manual packaging and automated packaging. Manual chip packaging involves entirely manual operation of chip bonding and wire bonding; automated packaging uses automated placement machines and automated wire bonding machines. Both manual and automated packaging require manual loading and unloading of individual chips. While manual assembly is flexible, it cannot keep up with the speed of the equipment, resulting in low overall packaging efficiency. Utility Model Content
[0003] The purpose of this invention is to provide a chip casing clamping workbench that effectively solves the problem of low packaging efficiency caused by manually loading and unloading individual chips.
[0004] To address the aforementioned problems, this utility model discloses a chip casing clamping worktable, comprising a support body, a tray, a lifting assembly, and a pressure plate;
[0005] The support body is provided with a guide rail, the tray is slidably mounted on the guide rail, the pressure plate is mounted above the guide rail and fixedly connected to the support body, there is a sliding space between the pressure plate and the guide rail, the tray is mounted in the sliding space, the lifting component is mounted below the guide rail, the lifting component can lift the tray so that the tray abuts against the pressure plate; the chip shell is mounted on the tray, the pressure plate is provided with a first clearance hole to avoid the chip shell; the tray is provided with a placement slot, there are multiple placement slots, and one chip shell is placed in each placement slot.
[0006] Optionally, the lifting assembly includes a cylinder seat, a cylinder, and a lifting plate; the cylinder seat is fixedly connected to the support body, the cylinder is fixed on the cylinder seat, the piston rod of the cylinder can extend and retract in the vertical direction, the lifting plate is disposed above the cylinder and below the tray, and the lifting plate is fixedly connected to the piston rod; the extension and retraction of the piston rod drives the lifting plate to move up and down, and the lifting plate pushes the tray to move up and down.
[0007] Optionally, the cylinder includes multiple cylinder bodies, each cylinder body having a piston rod, and the protruding ends of the multiple piston rods being connected by a connecting plate, the connecting plate being fixedly connected to the protruding ends of the multiple piston rods.
[0008] Optionally, it also includes a solenoid valve, a flow regulating valve, and a muffler; the air inlet of the solenoid valve is connected to an external air source, the air outlet of the solenoid valve is connected to the air inlet of the cylinder, and the air outlet of the cylinder is connected to the air outlet of the solenoid valve; the muffler is located at the air outlet of the solenoid valve.
[0009] Optionally, the tray includes a tray body, a base, and a cover. The tray body is a rectangular hollow structure with four borders. The side walls of the hollow structure are provided with steps. The base is set on the steps and the placement groove is provided on the base. The chip casing is placed in the placement groove. The cover is set on the top of the base and the cover is provided with a second clearance hole corresponding to the position of the placement groove. The base and the cover are both provided with positioning holes corresponding to their positions, and positioning pins are provided in the positioning holes.
[0010] Optionally, the plurality of placement slots are evenly arranged on the chassis, and the cover plate is provided with a plurality of second clearance holes, the positions of the plurality of second clearance holes corresponding one-to-one with the positions of the plurality of placement slots.
[0011] Optionally, a tray baffle is also included, the tray baffle being fixed to the end of the pressure plate away from the tray insertion end, the upper edge of the tray baffle being fixedly connected to the end face of the end of the pressure plate, and the lower edge of the tray baffle being lower than the top surface of the tray.
[0012] Optionally, the tray baffle has a groove on one side facing the tray, a first magnetic attractor is provided in the groove, and a second magnetic attractor corresponding to the first magnetic attractor is provided at the end of the tray, with the polarities of the first magnetic attractor and the second magnetic attractor being opposite on opposite sides.
[0013] Optionally, the second clearance hole is an "H" shaped structure, which forms two symmetrical inwardly extending extension structures. The two extension structures at least partially overlap with the chip housing in the placement groove below in the vertical direction.
[0014] Optionally, the opening of the guide rail is provided with a flared structure to facilitate the entry and exit of the tray.
[0015] Beneficial effects:
[0016] This utility model provides a chip casing clamping worktable, including a support body, a tray, a lifting component, and a pressure plate. The support body has a guide rail, the tray is slidably mounted on the guide rail, the pressure plate is positioned above the guide rail and fixedly connected to the support body, and there is a sliding space between the pressure plate and the guide rail. The tray is positioned within this sliding space, and the lifting component is positioned below the guide rail, lifting the tray so that it abuts against the pressure plate. The chip casing is placed on the tray, and the pressure plate has a first clearance hole to avoid obstructing the chip casing. The tray has multiple placement slots, each holding one chip casing. Therefore, multiple chip casings can be placed on the tray, and while processing the chip casings, workers can continue to place chip casings on other trays to ensure processing continuity, effectively solving the problem of low packaging efficiency caused by manually loading and unloading individual chips. Attached Figure Description
[0017] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:
[0018] Figure 1 This is a schematic diagram of the overall structure of the chip housing clamping workbench disclosed in this utility model;
[0019] Figure 2 This is a schematic diagram of the overall structure of the chip casing clamping worktable disclosed in this utility model from another angle.
[0020] Figure 3 This is a schematic diagram of the chip housing clamping stage disclosed in this utility model.
[0021] Figure 4 This is a schematic diagram of the pressure plate structure disclosed in this utility model;
[0022] Figure 5 This is a schematic diagram of the chassis structure disclosed in this utility model;
[0023] Figure 6 This is a schematic diagram of the tray body structure disclosed in this utility model;
[0024] Figure 7 This is a schematic diagram of the cover plate structure disclosed in this utility model;
[0025] Figure 8 The present utility model discloses Figure 1 Enlarged view of point A in the middle;
[0026] Figure 9 This is an exploded view of the pallet baffle and a portion of the pallet body disclosed in this utility model.
[0027] Explanation of reference numerals in the attached figures:
[0028] 1. Support body; 11. Guide rail; 2. Tray; 21. Tray body; 211. Step; 22. Chassis; 23. Cover plate; 24. Placement slot; 25. Second clearance hole; 26. Tray baffle; 27. First magnetic chuck; 28. Second magnetic chuck; 29. Extension structure; 3. Lifting assembly; 31. Cylinder seat; 32. Cylinder; 33. Lifting plate; 34. Piston rod; 35. Connecting plate; 4. Pressure plate; 41. First clearance hole; 5. Chip housing; 6. Solenoid valve; 7. Flow regulating valve; 8. Muffler; 9. Switch. Detailed Implementation
[0029] It should be understood that in the description of this utility model, the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used solely for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.
[0030] It should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "set," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of 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.
[0031] The technical solution of this utility model will be further illustrated below through specific embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The content of the embodiments does not constitute a limitation on this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0032] like Figures 1-9As shown, this utility model discloses a chip housing clamping worktable, which is used to fix chip housings 5 in batches to facilitate the welding of chip housings 5 and the chips inside them, thereby improving work efficiency and increasing welding accuracy.
[0033] The chip casing clamping worktable includes a support body 1, a tray 2, a lifting assembly 3, and a pressure plate 4. The support body 1 is equipped with a guide rail 11, and the tray 2 is slidably mounted on the guide rail 11 in the horizontal direction. The pressure plate 4 is positioned above the guide rail 11 and is fixedly connected to the support body 1. Specifically, bolt holes can be provided on both the pressure plate 4 and the support body 1 for fixed connection using bolts.
[0034] A gap exists between the pressure plate 4 and the guide rail 11, forming a sliding space. The tray 2 is positioned within this sliding space. The lifting assembly 3 is located below the guide rail 11. The lifting assembly 3 can lift the tray 2, causing it to press against the pressure plate 4. The lifting assembly 3 maintains this lifted state until the welding work is completed, at which point it lowers back onto the guide rail 11. The tray 2 has multiple placement slots 24, each capable of holding one chip housing 5. The pressure plate 4 has a first clearance hole 41, designed to allow clearance for the chip housing 5, thus preventing interference with the processing of the chip housing 5.
[0035] Specifically, in this embodiment, the support body 1 consists of two symmetrically arranged "L"-shaped structures. The base plate of each "L"-shaped structure has fixing holes, in which bolts are inserted to secure the support body 1 to the equipment. The two sides of the support body 1 serve as support and fixation, while the top of the support body 1 is used to fix the pressure plate 4 and to accommodate the guide rail 11, etc. Figure 2 and Figure 3As shown, the lifting assembly 3 is disposed within the inner space formed by the support body 1 structure. The lifting assembly 3 includes a cylinder seat 31, a cylinder 32, and a lifting plate 33. The bottom surface of the cylinder seat 31 is flush with the bottom surface of the support body 1, and the cylinder seat 31 is fixedly connected to the support body 1. Specifically, threaded holes are provided on the side wall of the support body 1, and bolts are installed in the threaded holes to fix the cylinder seat 31 and the support body 1. The cylinder 32 is fixed to the cylinder seat 31, and the cylinder 32 and the cylinder seat 31 are also fixed by bolts and threaded holes. The cylinder 32 can be fixed to one side of the cylinder seat 31 or to the top of the cylinder seat 31. The cylinder seat 31 not only compensates for the insufficient height of the cylinder 32, but also fixes the cylinder 32, increasing the stability of the cylinder 32. In this embodiment, the piston of cylinder 32 is vertically upward and can extend and retract in the vertical direction. The lifting plate 33 is located above cylinder 32 and below tray 2. The lifting plate 33 is fixedly connected to the piston. The extension and retraction of the piston drives the lifting plate 33 to move up and down, and the lifting plate 33 pushes the tray 2 to move up and down.
[0036] Specifically, in this embodiment, to ensure that the upward thrust of the cylinder 32 is evenly applied to the lifting plate 33, the cylinder 32 includes multiple cylinder bodies. These cylinder bodies can be integrally forged or cast, or manufactured separately and then assembled. Each cylinder body contains a piston rod 34. The extension and retraction directions and lengths of the multiple piston rods 34 are consistent. The extended ends of the multiple piston rods 34 are connected by a connecting plate 35, which is fixedly connected to the extended ends of the multiple pistons. The top surface of the connecting plate 35 is flush with the end faces of the extended ends of the multiple piston rods 34. This embodiment uses multiple cylinder bodies and piston rods 34, connecting them via the connecting plate 35. This allows the multiple piston rods 34 to simultaneously provide thrust to the lifting plate 33, ensuring that the cylinder 32 provides sufficient thrust to the lifting plate 33 and that the thrust is evenly applied to the lifting plate 33.
[0037] Furthermore, such as Figure 2 As shown, this application also includes a solenoid valve 6, a flow regulating valve 7, and a silencer 8. The solenoid valve 6, flow regulating valve 7, and silencer 8 are all disposed within the inner space formed by the support structure 1 and are positioned opposite the lifting assembly 3, fixed to the other side wall of the support structure 1. The solenoid valve 6 is connected to the flow regulating valve 7, and the silencer 8 is mounted on the solenoid valve 6. The air inlet of the solenoid valve 6 is connected to an external air source, the air outlet of the solenoid valve 6 is connected to the air inlet of the cylinder 32, and the air outlet of the cylinder 32 is connected to the exhaust port of the solenoid valve 6. The silencer 8 is specifically located at the exhaust port of the solenoid valve 6. When the solenoid valve 6 is working, it discharges gas through the exhaust port, which may generate significant noise. Installing the silencer 8 at the exhaust port effectively absorbs and reduces this noise.
[0038] In addition, this application also includes a switch 9, which is electrically connected to the solenoid valve 6 to control the operation of the solenoid valve 6, for example, to control the solenoid valve 6 to supply air to the cylinder 32; or to control the solenoid valve 6 to release air from the cylinder 32.
[0039] Furthermore, the projection of the center position of the connecting plate 35 in the vertical direction coincides with the projection of the center position of the lifting plate 33 in the vertical direction. That is, the center positions of the connecting plate 35 and the lifting plate 33 are on a straight line in the vertical direction, thereby making the force applied by the connecting plate 35 more balanced when lifting the lifting plate 33.
[0040] Specifically, the pallet 2 includes a pallet body 21, a base 22, and a cover 23. The pallet body 21 has a rectangular structure with four rectangular borders and a hollow center. Multiple steps 211 are provided on the side walls of the hollow structure, forming a positioning groove for the base 22. The base 22 is also rectangular, and the positioning groove formed by the multiple steps 211 is also rectangular, with dimensions similar to those of the base 22. The base 22 can be easily placed into the positioning groove. The top surface of the chassis 22 is provided with a placement groove 24, and the chip shell 5 is placed in the placement groove 24. The cover plate 23 is placed on the top of the chassis 22 and covers the chassis 22. The cover plate 23 is provided with a second clearance hole 25 corresponding to the position of the placement groove 24. Both the chassis 22 and the cover plate 23 are provided with corresponding positioning holes. Positioning pins are set in the positioning holes. The positioning pins are used to align the positioning holes on the chassis 22 and the cover plate 23, so that the relative positions of the chassis 22 and the cover plate 23 are kept fixed, ensuring that the second clearance hole 25 on the cover plate 23 corresponds to the placement groove 24 on the chassis 22. That is, the chip shell 5 can be exposed through the second clearance hole 25 without being blocked by the cover plate 23, which facilitates the soldering operation.
[0041] Preferably, multiple placement slots 24 are provided, and the multiple placement slots 24 are evenly distributed on the chassis 22. The cover plate 23 is provided with multiple second clearance holes 25, and the positions of the multiple second clearance holes 25 correspond one-to-one with the positions of the multiple placement slots 24.
[0042] In this embodiment, two chassis 22 are provided, which are arranged side by side on the tray body 21, such as... Figure 6 As shown, the hollow structure in the middle of the tray body 21 has a central connecting rod that divides the hollow structure into two parts, both of which are the same size. Steps 211 are also provided on both sides of the central connecting rod, and two base plates 22 are respectively set in the two parts formed by the hollow structure.
[0043] like Figure 5As shown, each chassis 22 has two rows of placement slots 24, with eight slots 24 in each row. Similarly, two cover plates 23 are also provided, each cover plate 23 having two rows of second clearance holes 25, with eight second clearance holes 25 in each row. The positions of the second clearance holes 25 correspond one-to-one with the positions of the placement slots 24. The placement slots 24 limit the movement of the chip housing 5, preventing the chip housing 5 from shifting horizontally during the soldering process.
[0044] like Figure 7 and Figure 8 As shown, the second clearance hole 25 in this application has an "H"-shaped structure, which forms two symmetrical inwardly extending extension structures 29. The two extension structures 29 at least partially overlap with the chip housing 5 in the lower placement groove 24 in the vertical direction, meaning the extension structures 29 press against the chip housing 5 in the lower placement groove 24. A gap exists between the two extension structures 29, through which the chip housing 5 is soldered. The extension structures 29 limit the movement of the chip housing 5, preventing vertical displacement during the soldering process.
[0045] like Figure 9 As shown, this application also includes a tray baffle 26, which is fixed to the end of the pressure plate 4, specifically at the end of the pressure plate 4 away from the insertion end of the tray 2. The upper edge of the tray baffle 26 is fixedly connected to the end face of the end of the pressure plate 4. Specifically, threaded holes can be provided on the end faces of the tray baffle 26 and the pressure plate 4, and bolts can be installed in the threaded holes for fixing. The tray baffle 26 has a groove on the side facing the tray 2, and a first magnetic attractor 27 is provided in the groove. The first magnetic attractor can be fixed in the groove by means of adhesive, snap-fit, etc. A second magnetic attractor 28 corresponding to the position of the first magnetic attractor 27 is fixed on the end face of the insertion end of the tray 2, and the second magnetic attractor is fixed to the tray 2 with bolts. The polarities of the opposite sides of the first magnetic attractor 27 and the second magnetic attractor 28 are opposite. After tray 2 is inserted into guide rail 11, the lower edge of tray baffle 26 is at least lower than the top surface of tray 2. By setting tray baffle 26, the insertion distance of tray 2 can be effectively limited, preventing tray 2 from being inserted too far and affecting the alignment of the first clearance hole 41 on pressure plate 4 and chip housing 5. The first magnetic suction member 27 and the second magnetic suction member 28 can temporarily fix tray 2 to prevent tray 2 from shaking.
[0046] The support body 1 and the guide rail 11 can be manufactured separately and then connected and fixed by welding or bolting. In some other embodiments, the support body 1 and the guide rail 11 can also be integrally formed.
[0047] The tray 2 is equipped with a handle located on the outside of the tray 2, specifically at the end opposite to the end into the guide rail 11. The handle facilitates the placement and removal of the tray 2. The handle and tray 2 can be manufactured separately and then connected and fixed by welding or bolting. In some other embodiments, the handle and tray 2 can also be integrally formed.
[0048] Preferably, the opening of the guide rail 11 is provided with a flared structure to facilitate the entry and exit of the tray 2.
[0049] The steps for using the chip casing clamping stage in this application are as follows:
[0050] First, place the chip housing 5 to be processed into the placement slot 24 of the chassis 22. After placement, cover the chassis 22 with the cover plate 23 and insert the positioning pin to prevent misalignment. Then, place the chassis 22 onto the tray body 21 and insert the tray body 21 along the guide rail 11 of the worktable. Press the switch 9 to supply air from the external air source. The solenoid valve 6 controls the cylinder 32 to inflate and push the piston rod 34 upward to lift the lifting plate 33. The lifting plate 33 supports the tray 2 and moves upward until it rests against the pressure plate 4. The welding tool performs welding processing on the chip housing 5 and the chip inside. After processing, press the switch 9. The solenoid valve 6 controls the cylinder 32 to exhaust air. The piston rod 34 descends, driving the lifting plate 33 and the tray 2 to descend until the tray 2 descends onto the guide rail 11. Remove the tray 2, remove the processed chip housing 5, reinstall the chip housing 5 to be processed, and repeat the above steps.
[0051] The applicant declares that the above are only specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Those skilled in the art should understand that any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model fall within the protection and disclosure scope of this utility model.
Claims
1. A chip casing clamping stage, characterized in that, It includes a support (1), a tray (2), a lifting assembly (3), and a pressure plate (4); The support body (1) is provided with a guide rail (11), the tray (2) is slidably disposed on the guide rail (11), the pressure plate (4) is disposed above the guide rail (11) and is fixedly connected to the support body (1), there is a sliding space between the pressure plate (4) and the guide rail (11), the tray (2) is disposed in the sliding space, the lifting component (3) is disposed below the guide rail (11), the lifting component (3) can lift the tray (2) so that the tray (2) abuts against the pressure plate (4); the chip shell (5) is disposed on the tray (2), and the pressure plate (4) is provided with a first clearance hole (41) to avoid the chip shell (5); The tray (2) is provided with a placement slot (24), and there are multiple placement slots (24), each of which holds one chip casing (5).
2. The chip casing clamping stage according to claim 1, characterized in that, The lifting assembly (3) includes a cylinder seat (31), a cylinder (32), and a lifting plate (33); the cylinder seat (31) is fixedly connected to the support body (1), the cylinder (32) is fixed on the cylinder seat (31), the piston rod (34) of the cylinder (32) can extend and retract in the vertical direction, the lifting plate (33) is arranged above the cylinder (32) and below the tray (2), and the lifting plate (33) is fixedly connected to the piston rod (34); the extension and retraction of the piston rod (34) drives the lifting plate (33) to move up and down, and the lifting plate (33) pushes the tray (2) to move up and down.
3. A chip casing clamping stage according to claim 2, characterized in that, The cylinder (32) includes multiple cylinder bodies, each of which is provided with a piston rod (34). The protruding ends of the multiple piston rods (34) are connected by a connecting plate (35), and the connecting plate (35) is fixedly connected to the protruding ends of the multiple piston rods (34).
4. A chip casing clamping stage according to claim 2, characterized in that, It also includes a solenoid valve (6), a flow regulating valve (7), and a muffler (8); the air inlet of the solenoid valve (6) is connected to an external air source, the air outlet of the solenoid valve (6) is connected to the air inlet of the cylinder (32), and the air outlet of the cylinder (32) is connected to the exhaust port of the solenoid valve (6); the muffler (8) is located at the exhaust port of the solenoid valve (6).
5. A chip casing clamping stage according to claim 1, characterized in that, The tray (2) includes a tray body (21), a base (22), and a cover plate (23). The tray body (21) is a rectangular hollow structure with four borders. The side wall of the hollow structure is provided with a step (211). The base (22) is set on the step (211). The base (22) is provided with the placement groove (24). The chip shell (5) is set in the placement groove (24). The cover plate (23) is set on the top of the base (22). The cover plate (23) is provided with a second clearance hole (25) corresponding to the position of the placement groove (24). The base (22) and the cover plate (23) are both provided with positioning holes corresponding to their positions. Positioning pins are provided in the positioning holes.
6. A chip casing clamping stage according to claim 5, characterized in that, Multiple placement slots (24) are evenly arranged on the chassis (22), and multiple second clearance holes (25) are provided on the cover plate (23). The positions of the multiple second clearance holes (25) correspond one-to-one with the positions of the multiple placement slots (24).
7. A chip casing clamping stage according to claim 1, characterized in that, It also includes a tray baffle (26), which is fixed to the end of the pressure plate (4) away from the end into which the tray (2) is inserted. The upper edge of the tray baffle (26) is fixedly connected to the end face of the end of the pressure plate (4), and the lower edge of the tray baffle (26) is lower than the top surface of the tray (2).
8. A chip casing clamping stage according to claim 7, characterized in that, The tray baffle (26) has a groove on the side facing the tray (2), and a first magnetic attractor (27) is provided in the groove. The end of the tray (2) is provided with a second magnetic attractor (28) corresponding to the first magnetic attractor (27). The polarities of the opposite sides of the first magnetic attractor (27) and the second magnetic attractor (28) are opposite.
9. A chip casing clamping stage according to claim 5, characterized in that, The second clearance hole (25) is an "H" shaped structure, which forms two symmetrical inwardly extending extension structures (29). The two extension structures (29) overlap at least partially with the chip housing (5) in the placement groove (24) below in the vertical direction.
10. A chip casing clamping stage according to claim 1, characterized in that, The opening of the guide rail (11) is provided in a trumpet shape to facilitate the entry and exit of the tray (2).