CN116986122B

CN116986122B - Storage disc suitable for cantilever needle and use method thereof

Info

Publication number: CN116986122B
Application number: CN202311260696.7A
Authority: CN
Inventors: 何旸; 汤友龙
Original assignee: Wuhan Jingce Electronic Group Co Ltd; Wuhan Jingyitong Electronic Technology Co Ltd
Current assignee: Wuhan Jingce Electronic Group Co Ltd; Wuhan Jingyitong Electronic Technology Co Ltd
Priority date: 2023-09-27
Filing date: 2023-09-27
Publication date: 2024-01-05
Anticipated expiration: 2043-09-27
Also published as: CN116986122A

Abstract

The invention discloses a storage tray suitable for cantilever needles and a use method thereof, wherein the storage tray is formed by arranging a first limiting unit and a second limiting unit in a staggered manner, and a containing groove is formed by using bearing surfaces of the first limiting unit and the second limiting unit which are arranged in a staggered manner to limit the cantilever needles in a second direction so as to realize stable storage of the cantilever needles. The storage tray for the cantilever needles and the use method thereof have the advantages of simple integral structure and convenient processing, not only can realize independent storage of a plurality of cantilever needles, but also can limit and protect the needle points and the needle bodies by respectively arranging different limit structures so as to prevent the cantilever needles from being damaged after being placed, and have good practical value and application prospect.

Description

Storage disc suitable for cantilever needle and use method thereof

Technical Field

The invention belongs to the technical field of probe cards, and particularly relates to a stock tray suitable for cantilever needles and a use method thereof.

Background

The probe card is a test interface composed of probes, electronic elements, wires and a printed circuit board, is used for connecting a tester and a semiconductor wafer, and is a core component in wafer test. As one of the most common probe cards, the cantilever probe card can be generally divided into a probe body and a probe tip, and when the cantilever probe card is used, one end of the cantilever probe card is usually contacted with a golden finger of a product, and the other end of the cantilever probe card is welded with a PCB (printed circuit board), and then the cantilever probe card performs signal interaction with a testing machine through a connector of the PCB so as to realize power-on detection.

Nowadays, when cantilever needles are stored, most cantilever needles are randomly stacked in a plane tray, and cannot be stored and limited well, the root cause is that the traditional limiting mode of limiting through the limiting groove is difficult to manufacture a limiting groove matched with the cantilever needles due to the limitation of technical machining precision (the diameter of the cantilever needles can reach 75 mu m at the minimum, and a gap of more than 3mm between a cutter and a surface to be machined is required to be ensured in a machining mode). Therefore, a tray applicable to cantilever needle size is lacking to store cantilever needles, and simultaneously, when a plurality of cantilever needles are placed in disorder, the needle points of the cantilever needles are easy to influence each other, so that the needle points are bent, and the normal use of the follow-up cantilever needles is influenced.

Disclosure of Invention

Aiming at one or more of the defects or improvement demands in the prior art, the invention provides a storage tray suitable for cantilever needles and a use method thereof, wherein the storage tray is formed by arranging a first limiting unit and a second limiting unit in a staggered manner, and the cantilever needles are limited in a second direction by utilizing bearing surfaces of the first limiting unit and the second limiting unit which are arranged in a staggered manner, so that the cantilever needles are stably stored, and the storage tray can also be formed for matching the sizes of the cantilever needles under the condition that the machining precision cannot be matched with the sizes of the cantilever needles.

In order to achieve the above-mentioned purpose, the invention provides a storage tray suitable for cantilever needles, which comprises a tray body, wherein a needle body bearing surface for storing the cantilever needle body is formed on the tray body, and a needle point bearing surface is formed on the side surface of the tray body; the needle point bearing surface and the needle body bearing surface are arranged at an included angle;

the needle body limiting assembly is also included; at least one needle body limiting component is arranged on the needle body bearing surface along a first direction; the needle body limiting assembly comprises a first limiting structure and a second limiting structure which are arranged at intervals along a first direction;

the first limiting structure and the second limiting structure respectively comprise at least two first limiting units and at least one second limiting unit which are arranged at intervals along a second direction; the second limiting units are positioned between two adjacent first limiting units in the first direction;

one side, close to each other, of each two adjacent first limiting units is provided with a bearing surface; the second limiting unit is also provided with two bearing surfaces in the second direction; two containing grooves for containing the cantilever needle are formed between the bearing surfaces of the first limiting unit and the bearing surface of the second limiting unit so as to limit the needle body of the cantilever needle in the second direction.

As a further improvement of the invention, the first limit unit and the second limit unit each comprise at least one guide; at least one guiding part is arranged on the first limit unit or the second limit unit along a first direction; and the top projection of the guide part is arc-shaped.

As a further improvement of the invention, the second limiting units are positioned on the central line of the connecting line between two adjacent first limiting units.

As a further improvement of the invention, a groove is formed on the needle body bearing surface of the tray body, and the needle body limiting component is arranged in the groove;

and the vertical height of the needle body limiting assembly is higher than the depth of the groove.

As a further improvement of the invention, the needle body limiting component is provided with two groups; the two groups of needle body limiting assemblies are arranged at intervals along the first direction;

the first limiting units in the two first limiting structures are aligned in a first direction; the second limiting units in the two second limiting structures are aligned in the first direction.

As a further improvement of the invention, a needle point limiting component is assembled on the needle point bearing surface; the needle comprises a clamping strip assembled on the needle point bearing surface; and at least one through hole is formed on the clamping strip corresponding to the setting position of the accommodating groove and used for accommodating the needle point of the cantilever needle.

As a further improvement of the present invention, the through holes have a plurality; a plurality of through holes are respectively arranged corresponding to a plurality of accommodating grooves, and

the center of the through hole is positioned on the central axis of the accommodating groove and used for separating and accommodating the needle points of the cantilever needles.

As a further development of the invention, the needle body carrier surface is arranged inclined towards the needle tip carrier surface.

As a further development of the invention, the angle between the needle body bearing surface and the needle tip bearing surface is between 103 ° and 108 °.

On the basis, the invention also provides a using method of the stock tray suitable for the cantilever needle, which is realized by the stock tray and comprises the following steps:

s100: placing the needle body of the cantilever needle into a containing groove between the first limiting unit and the second limiting unit;

s200: the direction of the needle point of the cantilever needle is regulated, so that the needle point is contacted with the needle point bearing surface, and the needle point can be vertically downwards arranged;

s300: the clamping strip is assembled on the needle point bearing surface, and the needle point is protected by the through hole;

s400: and finishing the storage of the cantilever needle on the storage tray.

The above-mentioned improved technical features can be combined with each other as long as they do not collide with each other.

In general, the above technical solutions conceived by the present invention have the beneficial effects compared with the prior art including:

(1) According to the storage tray suitable for the cantilever needle and the use method thereof, the cantilever needle is limited in the second direction by the containing grooves formed by the bearing surfaces of the first limiting unit and the second limiting unit which are arranged in a staggered mode, so that the cantilever needle is stably stored, and the containing grooves matched with the cantilever needle in size can be formed under the condition that the machining precision cannot be matched with the cantilever needle in size.

(2) According to the storage tray suitable for the cantilever needle and the application method thereof, through the design of sinking the needle body limiting assembly, burrs at corners of the cantilever needle and the limiting unit during processing are prevented from being contacted with each other, so that the stability of the cantilever needle after placement is further improved. Simultaneously, through the circular arc design to first spacing unit and the spacing unit tip of second, make the operation personnel can be more convenient when putting into the cantilever needle.

(3) The invention relates to a storage tray suitable for cantilever needles and a use method thereof, which are used for protecting and limiting the needle points of the placed cantilever needles through a needle point bearing surface and a needle point limiting assembly. Simultaneously, through a plurality of logical grooves that set up on the needle point spacing subassembly respectively the needle point of holding a plurality of cantilever needles to avoid a plurality of cantilever needles to influence each other at its needle point part after placing, prevent the emergence of the scheduling problem that the needle point was bent, and through the restriction to through-hole radius length, further prevent that the cantilever needle from rotating at the back needle point of placing, make the cantilever needle can be downward constantly at its needle point after placing. And when the needle body bearing surface is obliquely arranged towards the needle point bearing surface, the needle point limiting assembly can also limit the cantilever needle in the first direction so as to realize stable storage of the cantilever needle.

(4) The storage tray for the cantilever needles and the use method thereof have the advantages of simple integral structure and convenient processing, not only can realize independent storage of a plurality of cantilever needles, but also can limit and protect the needle points and the needle bodies by respectively arranging different limit structures so as to prevent the cantilever needles from being damaged after being placed, and have good practical value and application prospect.

Drawings

FIG. 1 is a schematic view showing the structure of a stock tray in the case of placing a cantilever needle in embodiment 1 of the present invention;

FIG. 2 is a schematic diagram showing the overall structure of a tray in embodiment 1 of the present invention;

FIG. 3 is a schematic view showing the overall assembly structure of the stock tray in embodiment 1 of the present invention;

FIG. 4 is a schematic diagram showing the overall side sectional structure of the stock tray in embodiment 1 of the present invention;

FIG. 5 is a schematic view showing a part of the structure of the needle tip limiting assembly in the stock tray in embodiment 1 of the present invention;

FIG. 6 is a schematic view showing the overall structure of a tray in embodiment 2 of the present invention;

FIG. 7 is a schematic view showing the overall structure of a tray in embodiment 3 of the present invention;

like reference numerals denote like technical features throughout the drawings, in particular:

100. a stock tray; 101. a tray body; 102. a needle body bearing surface; 103. a groove; 104. a bar-shaped hole; 105. a mounting hole; 106. a needle tip bearing surface;

200. a needle body limiting assembly; 201. a first limit structure; 202. a second limit structure;

300. a needle tip limit assembly; 301. clamping strips; 302. a through hole; 303. pin holes.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Example 1:

referring to fig. 1 to 4, in the storage tray for cantilever needles according to the preferred embodiment of the present invention, the cantilever needles are respectively limited in a first direction and a second direction by the needle body limiting assembly and the needle tip limiting assembly, so that each cantilever needle on the tray can be stored independently, and the damage of the needle tip is prevented.

It is to be understood that the first direction, the second direction, and the third direction are the preferred embodiments of the present invention. As shown in fig. 1; the first, second, and third directions correspond to directions of X, Y, Z axes, respectively.

Specifically, the storage tray in the preferred embodiment of the present invention includes a tray body 101 and at least one needle body limiting assembly 200; the material tray body 101 is provided with a needle body bearing surface 102 for storing the cantilever needle body, the side surface of the material tray body 101 is provided with a needle point bearing surface 106, the needle point bearing surface 106 and the needle body bearing surface 102 form an included angle, and at least one needle body limiting component 200 is arranged on the needle body bearing surface 102 along a first direction; the needle body limiting assembly 200 comprises a first limiting structure 201 and a second limiting structure 202 which are arranged at intervals along a first direction, wherein the first limiting structure 201 comprises at least two first limiting units; the second limiting structure 202 includes at least one second limiting unit, and at least two first limiting units are arranged at intervals along the second direction; the second limiting units are positioned between two adjacent first limiting units in the first direction; and the bearing surfaces are respectively formed on one sides of the first limiting units, which are close to each other, and the second limiting units are also provided with two bearing surfaces in the second direction, and two containing grooves for containing the cantilever needle are formed between the bearing surfaces of the two first limiting units and the bearing surface of the second limiting unit, so that the cantilever needle is limited in the second direction through the bearing surface of the first limiting unit and the bearing surface of the second limiting unit.

Taking the view shown in fig. 1 as an example, the needle body bearing surface 102 is the top surface of the tray body 101, and the needle tip bearing surface 106 is the front end surface of the tray body 101. However, it should be noted that, because of the different angles between the tip and the body of the different cantilevered needles, the tip of the cantilevered needle cannot fully conform to the tip bearing surface 106 after placement, but is considered to be bearing as long as a portion thereof is in contact with the tip bearing surface 106. It will be appreciated that the needle body bearing surface 102 and the needle tip bearing surface 106 are disposed at an angle, i.e. the needle body bearing surface 102 and the needle tip bearing surface 106 are two adjacent surfaces on the tray body 101.

Further, as shown in fig. 1 and 2, preferably, two sets of needle body limiting assemblies 200 may be disposed at intervals along the first direction, and the two sets of needle body limiting assemblies 200 are disposed at two ends of the needle body bearing surface 102, so that the positions of the needle body, which are close to the tail of the needle, and the position of the needle body, which is close to the needle tip, are respectively limited by the two needle body limiting assemblies 200, so as to realize stable storage of the cantilever needle. Of course, in the actual setting process, the number of the needle body limiting assemblies 200 may be increased or the positions of the needle body limiting assemblies 200 on the tray body 101 may be changed according to the length of the needle body, so as to realize stable storage of the cantilever needle.

Further preferably, the second limiting units are located on a central line of a connecting line between two adjacent first limiting units. Two accommodating grooves with the same size are formed so as to accommodate probes with the same type. In the actual setting process, the two accommodating grooves can also be designed into different widths, so that the cantilever needle bodies with different diameters are limited.

Further, the spacing between the first spacing structure 201 and the second spacing structure 202 in the two sets of needle body spacing assemblies 200 along the first direction, and the spacing between the two needle body spacing assemblies 200 and the spacing between the first spacing structure 201 and the second spacing structure 202 can be flexibly adjusted according to the length of the cantilever needle body.

It is noted that in practical design, the diameter of the cantilever needle is considered to be as small as 75um; the traditional machining precision is difficult to directly groove on the material tray and the cantilever needle is required to be accommodated. Meanwhile, by means of machining, a gap of more than 3mm is required to be reserved between the cutter and the surface to be machined, and a 75um accommodating groove between two adjacent first limiting units cannot be produced obviously. Therefore, no way is available to achieve efficient processing and production of 75um cantilever probe storage structures. Therefore, the invention divides the two adjacent first limiting units into two containing grooves by using the second limiting units, only the gap between the two adjacent first limiting units is ensured to meet the machining precision requirement in production, and then the containing grooves matched with the cantilever needle size can be formed by adjusting the width of the second limiting units in the second direction.

Further preferably, the width of the accommodating groove is consistent with the diameter of the cantilever needle body. That is, in the actual setting process, it is required to ensure that the width L1 between two adjacent first limiting units is equal to the sum W1 of the diameters D1 of the two probes and the width of the second limiting unit. I.e., l1=2d1+w1. The operator can adjust two parameters of L1 or W1 as required in a flexible way, can realize the adjustment to the size of holding tank width, and then make the charging tray can store the cantilever needle of different diameter sizes.

In the process of actual setting, burrs inevitably exist between the first limiting unit or the second limiting unit and the needle body bearing surface 102 after processing, and due to the fact that the diameter of the cantilever needle is smaller, the existence of the burrs after processing can seriously affect the storage position of the cantilever needle, so that the cantilever needle cannot fully contact with the surface of the needle body bearing surface 102, and stability after placement is affected. Preferably, a groove 103 is formed on the needle body bearing surface 102 of the tray body 101, the needle body limiting assembly 200 is arranged in the groove 103, and the vertical height of the needle body limiting assembly 200 is greater than the depth of the groove 103, so that the needle body limiting assembly 200 can also protrude out of the needle body bearing surface 102 after being placed in the groove 103, and therefore, when an operator limits a cantilever needle, the cantilever needle can be limited by adopting the combination of the side wall surfaces of the first limiting unit and the second limiting unit and the needle body bearing surface 102, and the phenomenon that burrs generated by the second limiting unit of the first limiting unit are used for storing the cantilever needle is avoided, and the stability after the cantilever needle is placed is ensured.

Further, as shown in fig. 1, the first and second stopper units each include at least one guide portion; at least one guide part is arranged on the first limit unit or the second limit unit along the first direction; and the top projection of the guide part is arc-shaped. Preferably, both ends of the first limiting unit and the second limiting unit are arc-shaped, and both sides of the overlooking projection plane are straight. After the worker only needs to put the probe into the accommodating groove, the worker can slide onto the needle body bearing surface 102 along the guide part, so that the worker can conveniently put the cantilever needle on the storage tray 100, and meanwhile, the contact area between the cantilever needle and the bearing surface can be effectively increased through the linear design, and the stable limit of the cantilever needle body is realized.

In the process of storage, the needle points of the cantilever needles are easy to collide with the outside, so that the needle points of the cantilever needles are bent, or the needle points of a plurality of cantilever needles are mutually influenced, and the normal use of the follow-up cantilever needles is further influenced. Therefore, the storage tray 100 according to the present invention further includes a needle tip limiting assembly 300, as shown in fig. 5, the needle tip limiting assembly 300 includes a clip strip 301, which is assembled on the front end surface of the tray body 101 and corresponds to the setting position of the accommodating groove, at least one through hole 302 is provided on one side of the clip strip 301, which is close to the needle body limiting assembly 200, for accommodating the needle tip of the cantilever needle, and after the cantilever needle is placed, the needle tip abuts against the inner wall surface of the through hole 302, so that the cantilever needle is protected by the clip strip 301.

It is further preferable that one through hole 302 is provided corresponding to each accommodation groove, respectively, so that the needle tip of each cantilever needle can be accommodated in different through holes 302 separately, preventing collision between the needle tips. Meanwhile, through the mode that the single through hole 302 corresponds to the needle point of the single cantilever needle, the cantilever needle can be prevented from rotating after being placed, so that the needle point can be in a downward natural sagging state at any time after being placed, the follow-up taking of the cantilever needle is convenient, and the diameter of the through hole 302 is required to be smaller than the length of the needle point if the needle point is prevented from rotating in the through hole 302, so that the needle point is prevented from rotating in the through hole 302, and the needle point can always keep a natural sagging state in the placing process.

Still further, the tip stop assembly 300 is removably attached to the tray body 101. Specifically, a plurality of pin holes 303 are provided on the clip 301 at intervals along the first direction, and pin holes 303 communicating with each other are also provided on the tray body 101, so that an operator can fix the clip 301 to the tray body 101 through the pin shaft in the actual use process.

Further, since the projection of the cantilever needle between the needle body and the needle tip in the X-Z direction is inclined, it is preferable that the needle body bearing surface 102 and the needle tip bearing surface 106 have a certain angle therebetween. Preferably the angle of the included angle is 101 °.

Meanwhile, considering the shape structure of the cantilever needle, the needle body bearing surface 102 of the material tray body 101 is preferably inclined towards the needle point bearing surface 106, and the needle point of the cantilever needle can be in a vertically downward state after being placed through the inclination of the needle body bearing surface 102 so as to be prevented from bending, and the cantilever needle can slide towards the inclined direction when being placed naturally due to the inclined design form, so that the cantilever needle is limited in the X direction (namely the first direction) through the needle point limiting assembly 300, and meanwhile, a good protective effect on the needle point is achieved.

It will be appreciated that in the above preferred embodiment, the plurality of first and second limiting units are integrally formed with the tray body 101, and the complete blank is directly processed to a specified size during the actual processing. Meanwhile, in the actual production process, it is preferable that the tray body 101 is made of aluminum. While the front clamping strip 301 is made of ceramic material.

Further, a bar-shaped hole 104 is also formed in the tray body 101 in the first direction; and a plurality of mounting holes 105 for subsequent assembly are also provided on the tray body 101.

In the in-process of in-service use, for realizing that the charging tray stores the cantilever needle of different diameter sizes, for further reduction raw materials cost to improve the variety and the practicality of charging tray, needle body spacing subassembly 200 can dismantle the connection on charging tray body 101, the following combines a plurality of embodiments to carry out further explanation to its implementation.

Example 2:

as shown in fig. 6, this embodiment 2 is different from embodiment 1 in that the needle body stopper assembly 200 is detachably attached to the tray body 101. Specifically, at least one groove 103 is provided on the needle body bearing surface 102 of the tray body 101, at least one needle body limiting assembly 200 is provided corresponding to one groove 103, and the needle body limiting assembly comprises a mounting plate, and a first limiting structure 201 and a second limiting structure 202 are provided on the mounting plate at intervals along the first direction. Positioning holes are correspondingly formed in the assembly plate and the tray body 101, and an operator can assemble the assembly plate and the tray body through bolts.

It should be noted that, in the above preferred embodiments, the first limiting unit or the second limiting unit may be used to limit the needle body limiting assembly 200 when the assembled needle body is higher than the needle body bearing surface 102.

Of course, in the actual setting process, two or more sets of needle body limiting assemblies 200 may be provided, and only the assembly mode of one set of needle body limiting assemblies 200 and the connection structure thereof are exemplarily shown in fig. 5. And the operator can realize the accommodation of cantilever needles with different diameters by only changing the width of the accommodating groove formed by the needle body limiting assembly 200 through replacing the modularized needle body limiting assembly 200.

Example 3:

as shown in fig. 7, the greatest difference between this embodiment 1 and embodiment 2 is that the first limit structure 201 or the second limit structure 202 in the needle body limit assembly 200 is detachably connected to the tray body 101, respectively.

That is, in the actual use process, under the condition that the space between two adjacent first limiting structures 201 is unchanged, the width of the accommodating groove can be changed by an operator only by changing the width of the second limiting unit, and the cantilever needles with different diameters can be stored.

This example 2 further reduces the cost raw materials compared to example 1 while saving processing time. The width of the accommodating groove can be adjusted only by processing the second limiting units with different diameters.

Example 4:

compared with embodiment 3, the greatest difference between this embodiment is that the second limiting structure 202 is slidably mounted on the tray body 101, so as to adjust the space between the single first limiting unit bearing surface and the second limiting unit bearing surface close to the first limiting unit bearing surface, so as to adjust the width of the accommodating groove.

s400: and finishing the storage of the cantilever needle on the storage tray.

In general, (1) the storage tray suitable for the cantilever needle and the use method thereof provided by the invention are characterized in that the cantilever needle is limited in the second direction by forming the containing groove by using the bearing surfaces of the first limiting unit and the second limiting unit which are arranged in a staggered manner, so that the cantilever needle is stably stored, and the containing groove matched with the cantilever needle in size can be formed under the condition that the machining precision cannot be matched with the cantilever needle in size.

(3) The invention relates to a storage tray suitable for cantilever needles and a use method thereof, which are used for protecting and limiting the needle points of the placed cantilever needles through a needle point bearing surface and a needle point limiting assembly. Simultaneously, through a plurality of logical grooves that set up on the needle point spacing subassembly respectively the needle point of holding a plurality of cantilever needles to avoid a plurality of cantilever needles to influence each other at its needle point part after placing, prevent the emergence of the scheduling problem that the needle point was bent, and through the restriction to through-hole radius length, further prevent that the cantilever needle from rotating at the back needle point of placing, make the cantilever needle can be downward constantly at its needle point after placing.

It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims

1. The stock disc suitable for the cantilever needle comprises a needle body and a needle point, wherein one end of the needle body is connected with the needle point; it is characterized in that the method comprises the steps of,

the storage tray comprises a tray body (101), a needle body bearing surface (102) for storing a cantilever needle body is formed on the tray body (101), a needle point bearing surface (106) for bearing the needle point of the cantilever needle is formed on the side surface of the tray body (101), and the needle point bearing surface (106) and the needle body bearing surface (102) are arranged in an included angle;

also comprises at least one needle body limiting component (200); at least one needle body limiting assembly (200) is arranged on the needle body bearing surface (102) along a first direction; the needle body limiting assembly (200) comprises a first limiting structure (201) and a second limiting structure (202) which are arranged at intervals along a first direction;

the first limiting structure (201) comprises at least two first limiting units which are arranged at intervals along the second direction; the second limit structure (202) comprises at least one second limit unit; the second limiting units are positioned between two adjacent first limiting units in the first direction;

one side, close to each other, of each two adjacent first limiting units is provided with a bearing surface; the second limiting unit is also provided with two bearing surfaces in the second direction; two accommodating grooves for accommodating the cantilever needle are respectively formed between the bearing surfaces of the two first limiting units and the two bearing surfaces of the second limiting units, and the sizes of the accommodating grooves and the cantilever needle are mutually matched so as to limit the needle body of the cantilever needle in the second direction;

a needle point limiting assembly (300) is assembled on the needle point bearing surface (106); comprising a clamping strip (301) fitted on the needle tip bearing surface (106); a plurality of through holes (302) are formed in one side, close to the needle body limiting assembly (200), of the clamping strip (301), the through holes (302) are respectively arranged corresponding to the accommodating grooves, and therefore the needle point of each cantilever needle can be separately accommodated in different through holes (302).

2. The stock tray for cantilever needles according to claim 1, wherein the first and second limiting units each comprise at least one guide; at least one guiding part is arranged on the first limit unit or the second limit unit along a first direction; and the top projection of the guide part is arc-shaped.

3. The stock tray for cantilever needles according to claim 1, wherein the second limiting unit is located on a central line of a connecting line between two adjacent first limiting units.

4. The stock tray for cantilever needles according to claim 1, characterized in that a groove (103) is formed on the needle body bearing surface (102) of the tray body (101), and the needle body limiting assembly (200) is arranged in the groove (103);

and the vertical height of the needle body limiting assembly (200) is higher than the depth of the groove (103).

5. The stock tray for cantilever needles according to any of claims 1-4, characterized in that the needle body limiting assembly (200) has two groups; the two groups of needle body limiting assemblies (200) are arranged at intervals along the first direction;

the first limiting units in the two first limiting structures (201) are aligned in a first direction; the second limiting units in the two second limiting structures (202) are aligned in the first direction.

6. The stock tray for cantilever needles according to claim 1, wherein the center of the through hole (302) is located on the central axis of the accommodating groove.

7. The stock tray for cantilever needles according to claim 1, wherein the needle body bearing surface (102) is arranged obliquely towards the needle tip bearing surface (106).

8. The stock tray for cantilever needles according to any of claims 1-4, 6, 7, characterized in that the angle between the needle body bearing surface (102) and the needle tip bearing surface (106) is between 103 ° -108 °.

9. A method of using a stock tray adapted for cantilever needles, realized with a stock tray according to any of claims 1-8, comprising the steps of:

s400: and finishing the storage of the cantilever needle on the storage tray.