CN218568814U - Automatic switching mechanism for chip thimble module - Google Patents
Automatic switching mechanism for chip thimble module Download PDFInfo
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- CN218568814U CN218568814U CN202222733125.8U CN202222733125U CN218568814U CN 218568814 U CN218568814 U CN 218568814U CN 202222733125 U CN202222733125 U CN 202222733125U CN 218568814 U CN218568814 U CN 218568814U
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- thimble
- chip
- ejector pin
- switching mechanism
- automatic switching
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Abstract
The utility model provides an automatic switching mechanism for a chip thimble module, which comprises a rotary structure, a plurality of thimble modules arranged on the rotary structure, a jacking structure for jacking the thimble modules and a Z-axis driving component for driving the jacking structure to move, wherein the Z-axis driving component comprises a crank and a Z-axis motor for transmitting power to the crank; and the Z-axis motor drives the crank to rotate, and synchronously drives the jacking structure to jack the thimble module. Set up a plurality of thimble modules, the thimble quantity that sets up in every group thimble module, the chip size that corresponds is all inequality, and according to the size of the chip of needs jack-up, drive revolution mechanic makes the thimble module that corresponds be located the below of chip, and the top of jacking structure drives Z axle drive assembly, drives the jacking structure removes to drive the thimble module.
Description
Technical Field
The utility model relates to a semiconductor package technical field, especially a chip thimble module automatic switching mechanism.
Background
When the semiconductor packaging machine operates, the blue film needs to be sucked and fixed in the chip mounting process, the ejector pin is driven by the ejector pin mechanism to lift upwards, and the chip is jacked up from the blue film. And then the thimble is lifted to separate the chip from the blue film, so that the chip can be grabbed by the grabbing head conveniently.
On chip pastes dress equipment, can carry out the switching production with the chip of different dimensions specification on equipment through the mode of automatic change wafer ring kind or the direct switching of material loading platform, the chip needs the thimble to carry out the jacking demoulding when absorbing, need switch different thimble assemblies when the chip switching operation of different specifications.
Therefore, at present, an automatic switching mechanism for chip ejector pin modules needs to be developed, wherein the ejector pin modules are suitable for being switched according to chips with different sizes, and the number of the ejector pin modules is changed according to actual requirements.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problems and providing an automatic switching mechanism for a chip thimble module.
In order to achieve the purpose of the utility model, the utility model provides an automatic switching mechanism for chip thimble modules, which comprises a rotating structure, a plurality of thimble modules arranged on the rotating structure, a jacking structure for jacking the thimble modules and a Z-axis driving component for driving the jacking structure to move, wherein the Z-axis driving component comprises a crank and a Z-axis motor for transmitting power to the crank; and the Z-axis motor drives the crank to rotate, and synchronously drives the jacking structure to jack the thimble module.
Further specifically, a plurality of thimble modules evenly set up rotating-structure is last.
Further specifically, the thimble module is including the thimble, be used for the centre gripping the thimble chuck of thimble, be used for establishing for thimble direction thimble guide post, cover the compression spring in the thimble guide post outside, cover establish the thimble fixing base in the thimble guide post outside, set up and be in top cap fixing base on the thimble fixing base, setting are in top cap on the top cap fixing base and be used for fixing the guide block on revolution mechanic.
Further specifically, the jacking structure is in including setting up slide rail on the revolution mechanic, with slider, the setting that the slide rail cooperation set up are in supporting seat on the slider, the supporting seat jacking thimble module.
Further specifically, an electric cylinder is arranged below the supporting seat, and a moving end of the electric cylinder penetrates through the supporting seat to drive the ejector pin to move.
Further specifically, the bottom of the thimble fixing seat is provided with a magnet which is firmly adsorbed on the supporting seat.
Further specifically, a pin hole is formed in the thimble fixing seat, and a positioning pin matched with the pin hole is arranged on the supporting seat.
Further specifically, the top cap fixing seat and the ejector pin fixing seat form a vacuum cavity.
Further specifically, a vacuum chuck is arranged on the supporting seat, and the vacuum cavity is communicated with the vacuum chuck.
Further specifically, an induction sheet is arranged on the connecting block, a limit switch is arranged on the Z-axis motor, and the jacking structure resets when the limit switch induces the induction sheet.
The utility model discloses chip thimble module automatic switching mechanism can realize following technological effect, sets up a plurality of thimble modules, and the thimble quantity that sets up in every group thimble module, the chip size that corresponds is all inequality, and according to the size of the chip of needs jack-up, drive revolution mechanic makes the below that the thimble module that corresponds is located the chip, and the top of jacking structure drives Z axle drive assembly, drives the jacking structure removes to drive the thimble module.
Drawings
Exemplary embodiments of the present application will be described in detail below with reference to the attached drawings, it being understood that the embodiments described below are merely illustrative of the present application and do not limit the scope of the present application, and in which:
fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic structural view of a plurality of thimble modules disposed on the turntable according to the present invention;
fig. 3 is a schematic perspective view of a thimble module according to the present invention;
fig. 4 is a schematic diagram of a three-dimensional structure of the thimble module of the present invention;
fig. 5 is a schematic structural view of the thimble module according to the present invention;
fig. 6 isbase:Sub>A cross-sectional viewbase:Sub>A-base:Sub>A of fig. 5 of the present invention;
fig. 7 is a first schematic perspective view of the rotary structure of the present invention;
fig. 8 is a schematic perspective view of the rotary structure of the present invention;
fig. 9 is a schematic perspective view of a jacking structure of the present invention;
fig. 10 is a schematic perspective view of the jacking structure of the present invention;
fig. 11 is a first schematic perspective view of the Z-axis driving assembly of the present invention;
fig. 12 is a schematic perspective view of the Z-axis driving assembly according to the present invention;
in the figure: 1. a rotating structure; 11. a turntable; 12. a base; 13. a rotating electric machine; 2. a thimble module; 21. a thimble; 22. a thimble clamping head; 23. a thimble guide post; 24. a compression spring; 25. a thimble fixing seat; 251. a magnet; 252. a pin hole; 26. a top cap fixing seat; 27. a top cap; 28. a fixed block; 3. a jacking structure; 31. a slide rail; 32. a slider; 33. a supporting base; 331. positioning pins; 332. a vacuum chuck; 333. a vacuum joint; 341. an outer housing; 342. a screw rod; 4. a Z-axis drive assembly; 41. a Z-axis motor; 42. a crank; 43. connecting blocks; 44. a limit switch; 45. an induction sheet; 46. and (5) a bearing.
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention clearer, the attached drawings in the embodiments of the present invention will be combined below to carry out more detailed description on the technical solution in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting 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 all belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
It should be understood that the drawings are only for illustrative purposes.
An automatic switching mechanism for a chip thimble module is shown in fig. 1-12, and comprises a rotating structure 1, a plurality of thimble modules 2 arranged on the rotating structure 1, a jacking structure 3 for jacking the thimble modules 2, and a Z-axis driving assembly 4 for driving the jacking structure 3 to move, wherein the Z-axis driving assembly 4 comprises a crank 42 and a Z-axis motor 41 for transmitting power to the crank 42; the Z-axis motor 41 drives the crank 42 to rotate, and synchronously drives the jacking structure 3 to jack the thimble module 2. Set up a plurality of thimble modules 2, 21 quantity of thimbles that set up in every group thimble module 2, the chip size that corresponds is all inequality, according to the size of the chip of needs jack-up, drives revolution mechanic 1 makes the thimble module 2 that corresponds be located the below of chip, and drive Z axle drive assembly 4 drives in the top of jacking structure 3 removes to drive thimble module 2.
As shown in fig. 1, 2, 7 and 8, the rotating structure 1 includes a base 12, a rotating disk 11 disposed on the base 12, and a rotating motor 13 for transmitting power to the rotating disk 11, and the rotating disk 11 is provided with positioning pin holes, and the number of the positioning pin holes is set according to the number of the ejector pin modules 2. The shape and the size of the rotary table 11 are set according to the number of the thimble modules 2. When the thimble module 2 needs to be switched, the rotary table 11 starts to rotate, and the suitable thimble module 2 needing to work is rotated above the jacking structure 3.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the thimble module 2 includes a thimble 21, a thimble chuck 22 for holding the thimble 21, a thimble guide post 23 for guiding the thimble 21, a compression spring 24 sleeved on the outside of the thimble guide post 23, a thimble fixing seat 25 sleeved on the outside of the thimble guide post 23, a top cap fixing seat 26 arranged on the thimble fixing seat 25, a top cap 27 arranged on the top cap fixing seat 26, and a fixing block 28 for fixing on the rotating structure 1. A blue film is arranged above the top cap 27, and a chip is adhered to the other side of the blue film far away from the top cap 27. The one end that thimble 21 was kept away from to thimble guide post 23 is provided with the extension piece, the extension piece with thimble fixing base 25 an organic whole sets up thimble fixing base 25 is close to the position of extension piece sets up the spacing groove, the extension piece only can the spacing inslot reciprocates, can not take place thimble guide post 23 and jack-up too high problem with thimble 21. A spring receiving groove is further formed in the thimble fixing seat 25, and the compression spring 24 is compressed or restored in the spring receiving groove. The jacking structure 3 drives the thimble guide post 23 to move up and down, when the thimble guide post 23 moves up, the extension block compresses the compression spring 24, and the thimble guide post 23 jacks up the thimble chuck 22 and the thimble 21, so that the thimble 21 jacks up the chip.
As shown in fig. 1, 2, 9 and 10, the jacking structure 3 includes a slide rail 31 disposed on the rotating structure 1, a slide block 32 disposed in cooperation with the slide rail 31, a support seat 33 disposed on the slide block 32, and an electric cylinder disposed below the support seat 33, wherein the support seat 33 and the slide block 32 are integrally disposed to ensure stability of the support seat 33, and the electric cylinder may be fixed or not fixed on the slide block 32 as required. The electric cylinder comprises an outer shell 341 and a screw rod 342 arranged in the outer shell 341, the screw rod 342 can extend out or be accommodated in the outer shell 341, an electric cylinder hole is arranged on the support seat 33, when the screw rod 342 moves upwards, the screw rod 342 of the electric cylinder penetrates through the electric cylinder hole to push the thimble guide column 23 to move, the sectional area of the screw rod 342 is smaller than or equal to that of the bottom of the thimble guide column 23, it is ensured that the screw rod 342 cannot be clamped by the thimble fixing seat 25, and the screw rod 342 is prevented from being incapable of jacking the thimble guide column 23. The supporting seat 33 jacks the thimble module 2.
In order to ensure that the thimble module 2 and the support seat 33 are more firmly matched, the bottom of the thimble fixing seat 25 is provided with the magnets 251, the support seat 33 can be firmly adsorbed when being close to the thimble module 2, the magnets 251 are uniformly arranged at the bottom of the thimble fixing seat 25, and the number of the magnets is set according to the area of the thimble fixing seat 25 and/or the area of the support seat 33.
In order to ensure that the screw rod 342 of the electric cylinder can accurately jack up the thimble guide column 23, the supporting seat 33 is provided with a positioning pin 331, the thimble fixing seat 25 is provided with a pin hole 252 matched with the positioning pin 331, when the positioning pin 331 extends into the pin hole 252, the screw rod 342 of the electric cylinder pushes the thimble guide column 23 to move and synchronously push the thimble 21, and the thimble 21 jacks up the chip. The number of the positioning pins 331 is less than or equal to the number of the pin holes 252, the positioning pins 331 are uniformly arranged on the upper surface of the supporting seat 33, and the pin holes 252 are uniformly arranged at the bottom of the thimble fixing seat 25.
The top cap 27, the top cap fixing seat 26 and the thimble fixing seat 25 form a vacuum cavity, the supporting seat 33 is provided with a vacuum chuck 332 and a vacuum connector 333, the vacuum connector 333 is communicated with the vacuum equipment outside, the vacuum chuck 332 is communicated with the vacuum connector 333 in vacuum, and the vacuum cavity is communicated with the vacuum chuck 332.
As shown in fig. 1, 2, 11 and 12, the Z-axis driving assembly 4 includes a crank 42, a Z-axis motor 41 for transmitting power to the crank 42, and a connecting block 43 disposed on the sliding block 32, wherein a connecting hole is formed in the connecting block 32, a bearing 46 is disposed on a side of the crank 42 close to the connecting block 43, the bearing 46 is disposed in the connecting hole, the connecting hole is rectangular, the connecting hole has a height allowing the bearing 46 to be inserted therein, and the connecting hole has a length ensuring that the rotation of the crank 42 can be completed.
The Z-axis motor 41 is fixedly arranged on the base 12 of the rotating structure 1, the Z-axis motor 41 is fixedly provided with a limit switch 44, the connecting block 43 is provided with an induction sheet 45, and when the limit switch 44 induces the induction sheet 45, the resetting of the jacking structure 3 is completed.
The specific operation process of the automatic switching mechanism of the chip thimble module 2 is as follows:
when the thimble modules 2 need to be switched, the rotating structure 1 starts to operate, the rotating motor 13 operates the turntable 11 to start to rotate, and when the thimble modules 2 adapting to the chip size rotate to the position above the jacking structure 3, the rotating motor 13 stops operating, so that the thimble modules 2 needing to work are positioned above the jacking structure 3; at this time, the Z-axis motor 41 starts to operate, and transmits power to the crank 42, so that the crank 42 starts to rotate and synchronously drives the jacking structure 3 to move upwards until the thimble module 2 contacts the support seat 33, the magnet 251 is adsorbed to the upper surface of the support seat 33, the positioning pin 331 is inserted into the pin hole 252, and the lead screw 342 of the electric cylinder is located below the thimble guide post 23; at this time, the Z-axis motor 41 is continuously operated to make the top cap 27 of the ejector pin module 2 contact the blue film, and then the vacuum is turned on to make the ejector pin module 2 adsorb the blue film; after the top cap 27 contacts the blue film, the Z-axis motor 41 stops operating, so that the ejector pin module 2 is kept at this height; at this time, the electric cylinder starts to operate, the screw rod 342 moves upward to push the thimble guide post 23 to move upward, the compression spring 24 is compressed, and meanwhile, the thimble 21 moves upward to jack up the chip.
After the chip is taken away, the screw rod 342 of the electric cylinder is operated to be recovered, the thimble guide column 23 moves downwards along with the screw rod 342 due to the resilience force of the compression spring 24, the thimble 21 retracts into the top cap 27, after the screw rod 342 is reset, the Z-axis motor 41 starts to operate to drive the jacking structure 3 to move downwards, and until the limit switch 44 senses the induction sheet 45, the jacking structure 3 and the Z-axis driving assembly 4 are reset.
The utility model discloses chip thimble module automatic switching mechanism can realize following technological effect, sets up a plurality of thimble modules 2, according to the size of the chip that needs jack-up, selects suitable thimble module 2, convenient operation, can set up the quantity of thimble module 2 as required; the electric cylinder is arranged to ensure the moving precision of the thimble guide column 23; the crank 42 is arranged to reduce the overall volume of the automatic switching mechanism of the chip thimble module; set up limit switch 44 and response piece 45 make jacking structure 3 and Z axle drive assembly 4 can the bring to rest after reseing, prevent that jacking structure 3 continuous motion when needing to be changed thimble module 2 from causing the striking of jacking structure 3 and thimble module 2.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (10)
1. The utility model provides a chip thimble module automatic switching mechanism which characterized in that: the ejector pin driving mechanism comprises a rotating structure (1), a plurality of ejector pin modules (2) arranged on the rotating structure (1), a jacking structure (3) used for jacking the ejector pin modules (2) and a Z-axis driving component (4) used for driving the jacking structure (3) to move, wherein the Z-axis driving component (4) comprises a crank (42) and a Z-axis motor (41) used for transmitting power to the crank (42); z axle motor (41) drive crank (42) rotate, drive in step jacking structure (3) jacking needs work thimble module (2).
2. The automatic switching mechanism of chip ejector pin modules according to claim 1, characterized in that: arbitrary thimble module (2) is including thimble (21), be used for the centre gripping thimble chuck (22), the thimble guide post (23), the cover that are used for giving thimble (21) direction are established compression spring (24), the cover in the thimble guide post (23) outside are established thimble fixing base (25), the setting in the compression spring (24) outside are in top cap fixing base (26), setting on thimble fixing base (25) are in top cap (27) on top cap fixing base (26) and be used for with fixed block (28) that revolution mechanic (1) is connected.
3. The automatic switching mechanism of chip ejector pin modules according to claim 2, characterized in that: jacking structure (3) including set up slide rail (31) on rotating-structure (1), with slide rail (31) cooperation setting slider (32), setting are in supporting seat (33) on slide rail (32), supporting seat (33) jacking thimble module (2).
4. The automatic switching mechanism of chip ejector pin modules according to claim 3, characterized in that: an electric cylinder is arranged below the supporting seat (33), the electric cylinder comprises an outer shell (341) and a screw rod (342) arranged in the outer shell (341), and the screw rod (342) penetrates through the supporting seat (33) to drive the ejector pin (21) to move.
5. The automatic switching mechanism of chip ejector pin modules according to claim 3, characterized in that: the bottom of the thimble fixing seat (25) is provided with a magnet (251) which is firmly adsorbed with the supporting seat (33).
6. The automatic switching mechanism of chip ejector pin modules according to claim 3, characterized in that: the supporting seat (33) is provided with a positioning pin (331), and the thimble fixing seat (25) is provided with a pin hole (252) matched with the positioning pin (331).
7. The automatic switching mechanism of chip ejector pin modules according to claim 3, characterized in that: the top cap (27), the top cap fixing seat (26) and the thimble fixing seat (25) form a vacuum cavity.
8. The automatic switching mechanism of chip ejector pin modules according to claim 7, characterized in that: the supporting seat (33) is provided with a vacuum sucker (332), and the vacuum cavity is communicated with the vacuum sucker (332).
9. The automatic switching mechanism of chip ejector pin modules according to claim 1, characterized in that: the jacking structure (3) is provided with a connecting block (43), the crank (42) is provided with a bearing (46), and the bearing (46) is arranged in the connecting block (43).
10. The automatic switching mechanism of chip ejector pin modules according to claim 9, wherein: an induction sheet (45) is arranged on the connecting block (43), a limit switch (44) is arranged on the Z-axis motor (41), and when the limit switch (44) induces the induction sheet (45), the jacking structure (3) is reset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222733125.8U CN218568814U (en) | 2022-10-17 | 2022-10-17 | Automatic switching mechanism for chip thimble module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222733125.8U CN218568814U (en) | 2022-10-17 | 2022-10-17 | Automatic switching mechanism for chip thimble module |
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| Publication Number | Publication Date |
|---|---|
| CN218568814U true CN218568814U (en) | 2023-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222733125.8U Active CN218568814U (en) | 2022-10-17 | 2022-10-17 | Automatic switching mechanism for chip thimble module |
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| CN (1) | CN218568814U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117855134A (en) * | 2024-03-04 | 2024-04-09 | 西北电子装备技术研究所(中国电子科技集团公司第二研究所) | Automatic thimble switching device |
-
2022
- 2022-10-17 CN CN202222733125.8U patent/CN218568814U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117855134A (en) * | 2024-03-04 | 2024-04-09 | 西北电子装备技术研究所(中国电子科技集团公司第二研究所) | Automatic thimble switching device |
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