CN213529714U

CN213529714U - Chip carrier

Info

Publication number: CN213529714U
Application number: CN202021756548.6U
Authority: CN
Inventors: 史赛; 杨胜利
Original assignee: Suzhou HYC Technology Co Ltd
Current assignee: Suzhou HYC Technology Co Ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-06-25
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses a chip carrier, chip carrier includes: a carrying tray; a chip tray having a cavity for placing a chip; and a fixed block; the bearing tray comprises a base body and a cavity formed on the base body and used for accommodating and placing the chip tray; the cavity comprises a cavity side wall corresponding to the base body; the fixed block is located the position that corresponds with chip tray limit portion of die cavity lateral wall, and the fixed block can be in the direction that is close to or keeps away from the die cavity and remove, and the fixed block is configured to be used for injecing the size of die cavity. The utility model discloses can be quick to the chip tray location of different overall dimension, avoid producing the aversion because of vibrations chip tray for bearing the weight of the tray in the chip transportation process, improve the efficiency of software testing to transporting the chip; the automatic chip grabbing device is convenient to accurately position relative to the chip and grab the chip on the chip tray.

Description

Chip carrier

Technical Field

The utility model relates to a chip assembly technical field. And more particularly, to a chip carrier.

Background

The chip sorting machine comprises a carrier for chip circulation or test, wherein the carrier comprises a bearing tray, a chip tray is arranged in the bearing tray, and a chip is arranged in the chip tray. The existing carrier is a plastic part, the deformation is large under certain conditions, the positioning effect between the bearing tray and the chip tray is poor, the chip is frequently overturned and even dropped in the process of grabbing the chip by the automatic grabbing equipment, and the bearing tray in the existing carrier structure is suitable for the chip tray matched with the size of the cavity, and the universality is poor.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, an object of the present invention is to provide a chip carrier capable of carrying a chip and facilitating chip transportation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a chip carrier, chip carrier includes:

a carrying tray;

a chip tray having a cavity for placing a chip; and

a fixed block;

the bearing tray comprises a base body and a cavity formed on the base body and used for accommodating and placing the chip tray; the cavity comprises a cavity side wall corresponding to the base body;

the fixed block is located the position that corresponds with chip tray limit portion of die cavity lateral wall, and the fixed block can be in the direction that is close to or keeps away from the die cavity and remove, and the fixed block is configured to be used for injecing the size of die cavity.

In addition, preferably, the fixing block comprises a body part fixed with the bearing tray, and an extension part which is positioned on one side of the body part close to the cavity and used for being abutted and fixed with the edge part of the chip tray; the extension is a structure having elastic deformability.

In addition, preferably, the end part of the extension part adjacent to the cavity is positioned inside the edge of the cavity; the end of the extension portion adjacent to the cavity is provided with a wider abutting surface which is in contact with the outer side wall of the chip tray.

Further, it is preferable that the extension portion is an elastic body extending from the body portion.

In addition, preferably, the extending part is a sheet body which extends from the body part and is bent downwards; the blade includes a smooth arcuate transition.

In addition, preferably, the fixing block body includes a strip-shaped fixing hole, and the side wall of the cavity and the strip-shaped fixing hole are fixed by screws.

In addition, preferably, the strip-shaped fixing hole penetrates through a side wall of the fixing block body part, which is close to the cavity.

In addition, preferably, the side wall of the cavity comprises a groove for accommodating the fixing block, and the groove penetrates through the inner side surface of the side wall of the cavity.

In addition, preferably, the carrier tray includes a plurality of cavities for accommodating the chip tray, and two adjacent cavities share a cavity sidewall.

In addition, preferably, the bearing tray comprises a hollow opening penetrating through the upper surface and the lower surface of the bearing tray, and the hollow opening is formed in the side wall of the cavity and is communicated with the cavity.

The utility model has the advantages as follows:

compared with the prior art, the chip tray has the advantages that the size difference of the external dimension specifications of the chip tray can be caused due to the different external dimensions of the chips carried by the chip tray, the position of the fixed block positioned on the carrying tray can be adjusted, the chip tray with different external dimensions can be quickly positioned by utilizing the matching of the cavity and the fixed block, the displacement of the chip tray relative to the carrying tray due to vibration is avoided in the chip transferring process, and the test efficiency of transferring the chip is improved; the automatic chip grabbing device is convenient to accurately position relative to the chip and grab the chip on the chip tray. The advantages of the invention with regard to other technical features compared with the prior art are explained in detail in the following description of embodiments.

Drawings

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Fig. 1 shows a schematic view of an overall structure of a chip carrier according to the present invention.

Fig. 2 shows a schematic view of an assembly structure of the chip carrier according to the present invention.

Fig. 3 shows a schematic structural diagram of a fixing block in a chip carrier according to the present invention.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

The purpose is to further obtain a more reliable bearing device which can facilitate chip circulation and loading and unloading on the basis of the prior art. The utility model provides a chip carrier specifically, combine fig. 1 to 3 to show, the chip carrier includes:

a carrying tray 1;

a chip tray 2 having a cavity 21 for placing a chip; and

a fixed block 3;

the bearing tray 1 comprises a base body and a cavity 11 formed on the base body and used for accommodating and placing the chip tray; the cavity 11 comprises a cavity side wall 12 corresponding to the base body;

the fixed block 3 is positioned on the side wall 12 of the cavity at a position corresponding to the edge of the chip tray 2, the fixed block 3 can move in a direction close to or far away from the cavity 11, and the fixed block 3 is configured to limit the size of the cavity 11.

Because the chip tray bears the difference of the chip overall dimension, can lead to the overall dimension specification of chip tray also to have the size difference, certain chip carrier of current adopts the cooperation of pilot pin and shell fragment mechanism to form diagonal positioning, realize with this that the location of chip tray on bearing the weight of the tray is fixed, but its defect is also very obvious, for example, the pilot pin or the too long-time use of shell fragment mechanism edges and corners cause wearing and tearing to the chip tray outward appearance, to the chip tray for bearing the weight of the positioning accuracy of tray and producing the influence, in case the chip tray is inconsistent with the demarcation position, the pick position that the automation of presetting snatched the equipment just can't correspond with the chip on the chip tray, the error appears snatching, snatch firmly, the chip condition such as damage easily drops. And this chip carrier can't be to the chip tray location of different overall dimension, and application range is little, and the commonality is not strong.

The utility model discloses a fixed block that is located on bearing tray is adjustable in position, utilizes the die cavity cooperation fixed block can be quick to the chip tray location of different overall dimension, avoids producing the aversion for bearing tray because of vibrations chip tray in the chip transportation process, improves the efficiency of software testing to transporting the chip; the automatic chip grabbing device is convenient to accurately position the chip and grab the chip on the chip tray, the application range of the bearing tray is enlarged, the cost is reduced, and the bearing tray is multipurpose.

In one embodiment, the fixing block 3 includes a main body 31 fixed to the carrier tray 1, and an extension 32 located on a side of the main body 31 close to the cavity 11 and configured to abut against and fix an edge of the chip tray 2; the extension 32 is a structure or body having elastic deformability.

Referring to the drawings, the present embodiment provides a specific fixing block structure, as shown in fig. 3, the extending portion 32 is a sheet extending from the main body 31 and bending downward; the blade includes a smooth arcuate transition 33. The extension part 32 formed by the downward bent sheet body has the capability of elastic deformation, and the smooth arc-shaped transition part 33 can facilitate the process of placing the chip tray 2 into the cavity 11 of the bearing tray 1 and avoid damaging the edge of the chip body. The extension part is designed into an elastic structural body or a piece body, when the extension part is used for positioning and fixing the chip tray, the extension part is in butt contact with the chip tray to play a buffering role, the chip tray is not damaged, and in addition, the elastic design of the extension part can also play a role in enhancing the fixing block to exert the supporting force on the chip tray, so that the chip tray can be stably positioned at a calibration position in a cavity.

In other embodiments, the extension portion may also be a structure having elastic deformation capability, for example, the extension portion is a block made of rubber and formed on the body of the fixed block. Or the extension part can be other elastic body parts extending from the body part. For example, the extension part adopts the pressure spring fixed on the body part of the fixed block, and the utility model discloses do not limit this.

In one embodiment, the end of the extension 32 adjacent to the cavity 11 is located inside the edge of the cavity 11; the extension 32 protrudes from the surface of the body 31; the chip tray quick positioning device has the advantages that the chip tray quick positioning device can conveniently and quickly position and install the chip tray with the same overall dimension by utilizing the elastic extension part, and the position of the fixing block on the bearing tray does not need to be adjusted repeatedly. Furthermore, it is preferable that an end portion of the extension portion adjacent to the cavity has a wider abutment surface contacting with an outer sidewall of the chip tray. So as to realize the stable fixation of the fixing block to the chip tray at the calibration position.

In order to realize that the fixing block can move in a direction close to or far away from the cavity and limit the size of the cavity by using the position change of the fixing block relative to the bearing supporting plate, in one embodiment, a strip-shaped fixing hole 34 is included on the body part 31 of the fixing block 3, and the side wall 12 of the cavity and the strip-shaped fixing hole 34 are fixed through a screw. As shown in fig. 3, the strip-shaped fixing hole 34 penetrates through a side wall of the main body 31 of the fixing block 3 close to the cavity 11. The fixing block can be conveniently mounted or dismounted relative to the bearing tray.

Referring to fig. 1 and 2, the cavity sidewall 12 includes a groove 121 for accommodating the fixing block, and the groove 121 penetrates through an inner side surface of the cavity sidewall 12. The groove is used for controlling the whole thickness size requirement of the chip carrier, does not additionally occupy the space at the upper part of the bearing tray, is convenient for the grabbing equipment to grab the chip in the chip tray, and does not generate interference.

The utility model provides a chip carrier bear and place including a plurality of being used for holding on the tray the die cavity of chip tray, die cavity lateral wall of two adjacent die cavities sharing. Its advantage lies in, can reduce the weight and the overall dimension who bear the weight of tray, can bear a plurality of chips through a bearing tray, as shown in the figure, when bearing the tray including a plurality of die cavities, a die cavity lateral wall is shared to two adjacent die cavities, respectively including the fixed block that corresponds with two adjacent die cavities on the die cavity lateral wall is shared to two die cavities, in order to reduce the thickness of die cavity lateral wall, in order to satisfy weight and the overall dimension that reduces to bear the tray, staggered arrangement between the fixed block that corresponds different die cavities respectively on the same die cavity lateral wall.

Referring to fig. 2, the carrying tray 1 includes a hollow hole penetrating through the upper and lower surfaces of the carrying tray 1, and the hollow hole is formed at the side wall 12 of the cavity and is communicated with the cavity 11. The hollow opening is arranged on the bearing tray, so that the chip tray can be conveniently taken and placed in the cavity.

Further, the hollow may be directly formed on the sidewall of the cavity, such as the hollow 5 structure at the sidewall 12 of the cavity at the edge of the carrying tray 1 shown in the figure. When the cutout is formed in one cavity side wall 12 common to two adjacent cavities 11, as shown in the drawing, the cutout 4 is formed by a missing portion of the cavity side wall 12, as the cutout 4.

In this embodiment, a cavity with a rectangular structure and a chip tray with a rectangular structure are exemplified, and the structural shapes of the cavity and the chip tray may be circular, elliptical, or other polygonal structures with sides greater than four, which is not limited herein.

In concrete implementation, can dispose a fixed block on a die cavity lateral wall, utilize the three die cavity lateral wall internal surface of die cavity and the cooperation of fixed block to form the location of chip tray fixed, perhaps as the utility model provides a chip carrier's attached drawing structure shows, dispose a fixed block on two adjacent die cavity lateral walls respectively, two fixed blocks and respectively relative die cavity lateral wall internal surface form the location of chip tray fixed.

Or in other embodiments, one or more fixing blocks may be respectively disposed on two opposite side walls of the cavity, and in order to ensure that the chip tray is located at the calibration position, in this case, it is preferable that the fixing blocks on different side walls of the cavity are arranged in a central symmetry manner with respect to the chip tray.

For the positions and the arrangement of the fixing block and the sidewall of the cavity, which cannot be illustrated in detail for all the combinations due to limited space, for those skilled in the art, variations or changes of other different forms can be made on the extension part based on the above description, and all the obvious variations or changes introduced by the technical solution of the present invention should still fall within the protection scope of the present invention.

In one this embodiment, preferably, the bearing tray is formed by aluminum material molding and precision machining, has good stability and is not easy to deform, and is convenient for automatic grabbing of the chip tray and accurate positioning of the equipment during use. In addition, the surface of the bearing tray is plated with an ESD (electrostatic discharge) layer, so that when the bearing tray is carried and stacked, the electrostatic adsorption of chips is avoided, and adverse effects on the chips are avoided.

Obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it is obvious for those skilled in the art to make other variations or changes based on the above descriptions, and all the embodiments cannot be exhausted here, and all the obvious variations or changes that belong to the technical solutions of the present invention are still in the protection scope of the present invention.

Claims

1. A chip carrier, comprising:

a carrying tray;

a chip tray having a cavity for placing a chip; and

a fixed block;

2. The chip carrier as claimed in claim 1, wherein the fixing block includes a main body fixed to the carrier tray, and an extension portion located on a side of the main body close to the cavity for abutting against and fixing with an edge of the chip tray; the extension is a structure having elastic deformability.

3. The chip carrier of claim 2, wherein an end of the extension adjacent to the cavity is located inside a cavity edge;

the end of the extension portion adjacent to the cavity is provided with a wider abutting surface which is in contact with the outer side wall of the chip tray.

4. The chip carrier according to claim 2, wherein the extension portion is an elastic body extending from the body portion.

5. The chip carrier according to claim 2, wherein the extension portion is a sheet extending from the body portion and bent downward; the blade includes a smooth arcuate transition.

6. The chip carrier as claimed in claim 2, wherein the fixing block body includes a strip-shaped fixing hole, and the sidewall of the cavity is fixed to the strip-shaped fixing hole by screws.

7. The chip carrier as claimed in claim 6, wherein the strip-shaped fixing hole penetrates through a side wall of the body of the fixing block near the cavity.

8. The chip carrier as claimed in claim 1, wherein the sidewall of the cavity includes a groove for receiving the fixing block, the groove penetrating an inner surface of the sidewall of the cavity.

9. The chip carrier as claimed in claim 1, wherein the carrier tray includes a plurality of cavities for receiving the chip tray, and two adjacent cavities share a cavity sidewall.

10. The chip carrier as claimed in claim 1, wherein the tray includes openings formed through the upper and lower surfaces thereof, the openings being formed at the sidewalls of the cavity and communicating with the cavity.