CN218385162U - Quick assembling tool for crystal grain - Google Patents
Quick assembling tool for crystal grain Download PDFInfo
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- CN218385162U CN218385162U CN202222285822.1U CN202222285822U CN218385162U CN 218385162 U CN218385162 U CN 218385162U CN 202222285822 U CN202222285822 U CN 202222285822U CN 218385162 U CN218385162 U CN 218385162U
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- sieve
- sieve tray
- groove
- tray
- negative pressure
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Abstract
The utility model provides a crystalline grain rapid Assembly instrument relates to crystalline grain assembly technical field. The die quick assembly tool comprises: a first sieve tray and a second sieve tray; the first sieve tray is provided with a plurality of sieve groove groups, each sieve groove group comprises a first sieve groove and a second sieve groove, and the bottom of each first sieve groove is provided with a first suction hole; the second sieve tray is provided with a third sieve groove, and the bottom of the third sieve groove is provided with a second suction hole; in the assembling process of the TO yin-yang coexisting product, the crystal grains are screened on the first sieve tray and the second sieve tray, all the first sieve grooves and the third sieve grooves adsorb the crystal grains with the P surfaces facing downwards, then the second sieve tray is reversely buckled on the first sieve tray, the negative pressure pump is closed, the crystal grains N surfaces in the third sieve grooves fall into the second sieve tray downwards, two crystal grains in each group of sieve grooves are correspondingly assembled on the TO yin-yang coexisting product, the requirement that one crystal grain P surface of the TO yin-yang coexisting product faces outwards and the other crystal grain N surface faces outwards is met, the assembling efficiency is high, and the labor cost is reduced.
Description
Technical Field
The utility model relates to a crystalline grain assembly technical field, concretely relates to crystalline grain rapid Assembly instrument.
Background
In the prior art, the two sides of the crystal grain have P side and N side, and the polarity of the semiconductor device is determined by which side of the crystal grain faces outwards. The current TO yin-yang coexistence product of the semiconductor power device needs TO be provided with two crystal grains, wherein one crystal grain P faces outwards, and the other crystal grain N faces outwards.
The crystal grain filling process of the TO yin-yang coexistence product of the semiconductor power device is as follows: dispensing on the TO frame → placing copper particles → dispensing on the copper particles → assembling the die.
The existing P-surface crystal grain sieve tray can only assemble crystal grains with the P surface facing outwards, so that the crystal grains with the N surface facing outwards can be manually sucked and assembled through a suction pen TO complete crystal grain solidification of a TO yin-yang coexisting product. In the filling process of the TO yin-yang coexisting product, a mass producer needs TO continuously use the suction pen TO assemble the crystal particles, and the assembly production efficiency of the TO yin-yang coexisting product is influenced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough TO prior art, the utility model provides a crystalline grain rapid Assembly instrument has solved the low problem of TO negative and positive coexistence product crystalline grain assembly efficiency.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a die rapid assembly tool, comprising: a first sieve tray and a second sieve tray;
the first sieve tray is provided with a plurality of sieve groove groups, each sieve groove group comprises a first sieve groove matched with the P surface of the crystal grain and a second sieve groove matched with the N surface of the crystal grain, the bottom of each first sieve groove is provided with a first suction hole, and the first suction holes are communicated with the negative pressure pump;
and the second sieve tray is provided with third sieve grooves in one-to-one correspondence with the second sieve grooves, the third sieve grooves are matched with the P surfaces of the crystal grains, and the bottom of each third sieve groove is provided with a second suction hole communicated with the negative pressure pump.
Preferably, the first sieve tray is provided with a first sinking groove, and the sieve groove group is arranged in the first sinking groove;
the second sieve tray is provided with a second sinking groove, and the third sieve groove is arranged in the second sinking groove.
Preferably, first negative pressure chamber has been seted up in the first sieve tray, first negative pressure chamber and all first suction ports intercommunication, first sieve tray lateral wall be provided with the first air cock of first negative pressure chamber intercommunication, first air cock passes through trachea and negative pressure pump intercommunication.
Preferably, a second negative pressure cavity is formed in the second sieve tray, the second negative pressure cavity is communicated with all the second suction holes, a second air nozzle communicated with the second negative pressure cavity is arranged on the side wall of the second sieve tray, and the second air nozzle is communicated with the negative pressure pump through an air pipe.
Preferably, a first chamfer is formed at one corner of the first sieve tray, a second chamfer corresponding to the first chamfer is formed at the second sieve tray, and the first chamfer and the second chamfer are aligned when the second sieve tray and the first sieve tray are assembled.
Preferably, a plurality of locating grooves are formed in the first screen disc, locating shafts in one-to-one correspondence with the locating grooves are formed in the second screen disc, and the locating shafts are connected with the locating grooves in an inserting mode.
(III) advantageous effects
The utility model provides a quick assembly tool of crystalline grain. Compared with the prior art, the method has the following beneficial effects:
the utility model discloses in, crystalline grain rapid Assembly instrument includes: a first sieve tray and a second sieve tray; the first sieve tray is provided with a plurality of sieve groove groups, each sieve groove group comprises a first sieve groove matched with the P surface of the crystal grain and a second sieve groove matched with the N surface of the crystal grain, the bottom of each first sieve groove is provided with a first suction hole, and the first suction holes are communicated with the negative pressure pump; the second sieve tray is provided with third sieve grooves which correspond to the second sieve grooves one to one, the third sieve grooves are matched with the P surfaces of the crystal grains, and the bottom of each third sieve groove is provided with a second suction hole which is communicated with the negative pressure pump; in the assembling process of the TO yin-yang coexisting product, crystal grains are screened on the first sieve tray and the second sieve tray, all the first sieve grooves and the third sieve grooves adsorb the crystal grains with the P surfaces facing downwards, then the second sieve tray is buckled on the first sieve tray in an inverted mode, the third sieve grooves are aligned TO the second sieve grooves, the negative pressure pump connected with the second sieve tray is closed, the crystal grains N surfaces in the third sieve grooves fall into the second sieve tray downwards, then the negative pressure pump connected with the first sieve tray is closed, two crystal grains in each group of sieve groove groups are correspondingly assembled on the TO yin-yang coexisting product, the requirements that one crystal grain P surface of the TO yin-yang coexisting product faces outwards and the other crystal grain N surface faces outwards are met, the assembling efficiency is high, the frequency of crystal grain sucking by a worker through a pen is greatly reduced, and the labor cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a top isometric view of a die rapid assembly tool in an embodiment of the present invention;
FIG. 2 is a bottom isometric view of a die rapid assembly tool according to an embodiment of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 1;
fig. 4 is an enlarged view of fig. 2 at B.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The embodiment of the application solves the problem of low crystal grain assembly efficiency of a TO yin-yang coexisting product by providing a crystal grain rapid assembly tool.
In order to solve the technical problems, the general idea of the embodiment of the application is as follows:
in an embodiment of the present invention, the rapid die-assembling tool includes: a first sieve tray and a second sieve tray; the first sieve tray is provided with a plurality of sieve groove groups, each sieve groove group comprises a first sieve groove matched with the P surface of the crystal grain and a second sieve groove matched with the N surface of the crystal grain, the bottom of each first sieve groove is provided with a first suction hole, and the first suction holes are communicated with the negative pressure pump; the second sieve tray is provided with third sieve grooves which correspond to the second sieve grooves one to one, the third sieve grooves are matched with the P surfaces of the crystal grains, and the bottom of each third sieve groove is provided with a second suction hole which is communicated with the negative pressure pump; in the assembling process of the TO yin-yang coexisting product, crystal grains are screened on the first sieve tray and the second sieve tray, all the first sieve grooves and the third sieve grooves adsorb the crystal grains with the P surfaces facing downwards, then the second sieve tray is buckled on the first sieve tray in an inverted mode, the third sieve grooves are aligned TO the second sieve grooves, the negative pressure pump connected with the second sieve tray is closed, the crystal grains N surfaces in the third sieve grooves fall into the second sieve tray downwards, then the negative pressure pump connected with the first sieve tray is closed, two crystal grains in each group of sieve groove groups are correspondingly assembled on the TO yin-yang coexisting product, the requirements that one crystal grain P surface of the TO yin-yang coexisting product faces outwards and the other crystal grain N surface faces outwards are met, the assembling efficiency is high, the frequency of crystal grain sucking by a worker through a pen is greatly reduced, and the labor cost is reduced.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Example (b):
as shown in fig. 1-4, the utility model provides a quick assembly tool for crystal grains, the quick assembly tool for crystal grains includes: a first sieve tray 10 and a second sieve tray 20;
the first sieve tray 10 is provided with a plurality of sieve groove groups, each sieve groove group comprises a first sieve groove 11 matched with a P surface of a crystal grain and a second sieve groove 12 matched with an N surface of the crystal grain, the bottom of each first sieve groove 11 is provided with a first suction hole 13, and the first suction holes 13 are communicated with a negative pressure pump;
the second sieve tray 20 is provided with third sieve grooves 21 corresponding to the second sieve grooves 12 one by one, the third sieve grooves 21 are matched with the P surfaces of the crystal grains, the bottoms of the third sieve grooves 21 are provided with second suction holes 22, and the second suction holes 22 are communicated with a negative pressure pump.
In the assembling process of the TO yin-yang coexisting product, crystal grains are screened on the first sieve tray 10 and the second sieve tray 20, so that all the first sieve grooves 11 and all the third sieve grooves 21 absorb the crystal grains with the P surfaces facing downwards, then the second sieve tray 20 is turned over on the first sieve tray 10, the third sieve grooves 21 are aligned TO the second sieve grooves 12, the negative pressure pump connected with the second sieve tray 20 is closed, the crystal grains N surfaces in the third sieve grooves 21 fall into the second sieve tray 20 downwards, then the negative pressure pump connected with the first sieve tray 10 is closed, two crystal grains in each group of sieve grooves are correspondingly assembled on the TO yin-yang coexisting product, the requirements that one crystal grain P surface of the TO yin-yang coexisting product faces outwards and the other crystal grain N surface faces outwards are met, the assembling efficiency of an employee is high, the frequency crystal grain sucking frequency of a frequently sucking pen is greatly reduced, and the labor cost is reduced.
As shown in fig. 1 and fig. 2, the first sieve tray 10 is provided with a first sinking groove 14, and the sieve groove group is provided in the first sinking groove 14;
the second sieve tray 20 is provided with a second sinking groove 23, and the third sieve groove 21 is arranged in the second sinking groove 23;
the crystal grains are screened in the first sinking groove 14 and the second sinking groove 23, so that the crystal grains are effectively prevented from being scattered in the screening process.
As shown in fig. 1, a first negative pressure cavity is formed in the first sieve tray 10, the first negative pressure cavity is communicated with all the first suction holes 13, a first air nozzle 15 communicated with the first negative pressure cavity is arranged on the side wall of the first sieve tray 10, and the first air nozzle 15 is communicated with a negative pressure pump through an air pipe to realize the communication between the first suction holes 13 and the negative pressure pump.
As shown in fig. 2, a second negative pressure cavity is formed in the second sieve tray 20, the second negative pressure cavity is communicated with all the second suction holes 22, a second air nozzle 24 communicated with the second negative pressure cavity is arranged on the side wall of the second sieve tray 20, and the second air nozzle 24 is communicated with the negative pressure pump through an air pipe to realize the communication between the second suction hole 22 and the negative pressure pump.
As shown in fig. 1 and 2, a first chamfer 16 is formed at one corner of the first sieve tray 10, a second chamfer 25 corresponding to the first chamfer 16 is formed at the second sieve tray 20, and when the second sieve tray 20 and the first sieve tray 10 are clamped, the first chamfer 16 and the second chamfer 25 are aligned, so that the alignment direction of clamping is prevented from being wrong.
As shown in fig. 1 and 2, the first sieve tray 10 is provided with a plurality of positioning slots 17, the second sieve tray 20 is provided with positioning shafts 26 corresponding to the positioning slots 17 one by one, and the positioning shafts 26 are inserted into the positioning slots 17 to ensure that the third sieve slots 21 are aligned with the second sieve slots 12.
To sum up, compare with prior art, the utility model discloses possess following beneficial effect:
in an embodiment of the present invention, the rapid die-assembling tool includes: a first sieve tray and a second sieve tray; the first sieve tray is provided with a plurality of sieve groove groups, each sieve groove group comprises a first sieve groove matched with the P surface of the crystal grain and a second sieve groove matched with the N surface of the crystal grain, the bottom of each first sieve groove is provided with a first suction hole, and the first suction holes are communicated with the negative pressure pump; the second sieve tray is provided with third sieve grooves which correspond to the second sieve grooves one to one, the third sieve grooves are matched with the P surfaces of the crystal grains, and the bottom of each third sieve groove is provided with a second suction hole which is communicated with the negative pressure pump; in the assembling process of the TO yin-yang coexisting product, crystal grains are screened on the first sieve tray and the second sieve tray, all the first sieve grooves and the third sieve grooves adsorb the crystal grains with the P surfaces facing downwards, then the second sieve tray is buckled on the first sieve tray in an inverted mode, the third sieve grooves are aligned TO the second sieve grooves, the negative pressure pump connected with the second sieve tray is closed, the crystal grains N surfaces in the third sieve grooves fall into the second sieve tray downwards, then the negative pressure pump connected with the first sieve tray is closed, two crystal grains in each group of sieve groove groups are correspondingly assembled on the TO yin-yang coexisting product, the requirements that one crystal grain P surface of the TO yin-yang coexisting product faces outwards and the other crystal grain N surface faces outwards are met, the assembling efficiency is high, the frequency of crystal grain sucking by a worker through a pen is greatly reduced, and the labor cost is reduced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. A die rapid assembly tool, comprising: a first sieve tray (10) and a second sieve tray (20);
the first sieve tray (10) is provided with a plurality of sieve groove groups, each sieve groove group comprises a first sieve groove (11) matched with the P surface of the crystal grain and a second sieve groove (12) matched with the N surface of the crystal grain, a first suction hole (13) is formed in the bottom of each first sieve groove (11), and the first suction holes (13) are communicated with a negative pressure pump;
third sieve grooves (21) which correspond to the second sieve grooves (12) one by one are formed in the second sieve tray (20), the third sieve grooves (21) are matched with the P surfaces of the crystal grains, second suction holes (22) are formed in the bottoms of the third sieve grooves (21), and the second suction holes (22) are communicated with a negative pressure pump.
2. The die rapid assembly tool according to claim 1, wherein the first sieve tray (10) is provided with a first sinking groove (14), and the sieve groove group is provided in the first sinking groove (14);
and a second sinking groove (23) is formed in the second sieve tray (20), and a third sieve groove (21) is formed in the second sinking groove (23).
3. The die rapid assembly tool according to claim 1, wherein a first negative pressure cavity is formed in the first sieve tray (10), the first negative pressure cavity is communicated with all the first suction holes (13), a first air nozzle (15) communicated with the first negative pressure cavity is arranged on the side wall of the first sieve tray (10), and the first air nozzle (15) is communicated with a negative pressure pump through an air pipe.
4. The die rapid assembly tool according to claim 1, wherein a second negative pressure cavity is formed in the second sieve tray (20), the second negative pressure cavity is communicated with all the second suction holes (22), a second air nozzle (24) communicated with the second negative pressure cavity is formed on the side wall of the second sieve tray (20), and the second air nozzle (24) is communicated with a negative pressure pump through an air pipe.
5. The die rapid assembly tool according to claim 1, wherein a corner of the first sieve tray (10) is formed with a first chamfer (16), the second sieve tray (20) is formed with a second chamfer (25) corresponding to the first chamfer (16), and when the second sieve tray (20) is assembled with the first sieve tray (10), the first chamfer (16) is aligned with the second chamfer (25).
6. The die rapid assembly tool according to claim 1, wherein the first sieve tray (10) is provided with a plurality of positioning slots (17), the second sieve tray (20) is provided with positioning shafts (26) corresponding to the positioning slots (17), and the positioning shafts (26) are inserted into the positioning slots (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222285822.1U CN218385162U (en) | 2022-08-29 | 2022-08-29 | Quick assembling tool for crystal grain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222285822.1U CN218385162U (en) | 2022-08-29 | 2022-08-29 | Quick assembling tool for crystal grain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218385162U true CN218385162U (en) | 2023-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222285822.1U Active CN218385162U (en) | 2022-08-29 | 2022-08-29 | Quick assembling tool for crystal grain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218385162U (en) |
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2022
- 2022-08-29 CN CN202222285822.1U patent/CN218385162U/en active Active
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