CN110161286B - Test carrier based on connecting rod cam positioning mechanism self-adaptive pressing - Google Patents
Test carrier based on connecting rod cam positioning mechanism self-adaptive pressingInfo
- Publication number
- CN110161286B CN110161286B CN201910517442.6A CN201910517442A CN110161286B CN 110161286 B CN110161286 B CN 110161286B CN 201910517442 A CN201910517442 A CN 201910517442A CN 110161286 B CN110161286 B CN 110161286B
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- fixing frame
- self
- cam
- pressing
- plate
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- 238000012360 testing method Methods 0.000 title claims abstract description 23
- 238000004377 microelectronic Methods 0.000 claims abstract description 38
- 230000005484 gravity Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Abstract
The invention discloses a self-adaptive pressing test carrier based on a connecting rod cam positioning mechanism, which comprises a needle plate fixing frame module and a connecting rod cam mechanism, wherein a needle carrier module is fixed on the needle plate fixing frame module, the needle plate fixing frame module is connected with the self-adaptive vertical pressing module, and the self-adaptive vertical pressing module is opened and covered on the needle plate fixing frame module; the self-adaptive vertical pressing module comprises a pressing head fixing frame and a self-adaptive pressing head hinged with the pressing head fixing frame, the connecting rod cam mechanism comprises a connecting rod mechanism and a cam, the connecting rod mechanism is fixed on the needle plate fixing frame module, the cam is fixed on the self-adaptive vertical pressing module, and the connecting rod mechanism is in linear contact with the cam all the time. The invention has simple structure, realizes the pushing and positioning of the micro electronic main board in the overturning and pressing process of the self-adaptive vertical pressing module, and simultaneously, the self-adaptive vertical pressing of the micro electronic main board by the pressing head can avoid the product from being crushed or inaccurate positioning.
Description
Technical Field
The invention relates to a positioning test carrier, in particular to a test carrier based on self-adaptive pressing of a connecting rod cam positioning mechanism.
Background
Along with the rapid development of nonstandard automation and intelligent manufacturing, the development of electronic products is changed towards microminiaturization, and meanwhile, the main board of the electronic products is also becoming smaller and smaller, and the quality of the microminiature electronic main board directly influences the quality of products manufactured by the microminiature electronic main board. Before the micro electronic main board is put into a manufactured product, the micro electronic main board needs to be tested so as to ensure the quality of the micro electronic main board applied to the product, and in order to better test the micro electronic main board, the micro electronic main board needs to be positioned and fixed, and a reasonable positioning and fixing device is selected so as to effectively improve the testing efficiency of the micro electronic main board and prevent damage to the micro electronic main board when the micro electronic main board is positioned and fixed. The existing fixing device usually adopts a socket test carrier, but the socket test carrier is adopted for positioning and fixing the micro electronic main board, so that the micro electronic main board can collide with the positioning edge around the socket, and the micro main board is damaged.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a test carrier based on self-adaptive pressing of a connecting rod cam positioning mechanism, which has a simple structure, is convenient for fixing a micro electronic main board and prevents the micro electronic main board from being damaged.
In order to achieve the above purpose, the invention adopts the following technical scheme:
The test carrier based on the self-adaptive pressing of the connecting rod cam positioning mechanism comprises a needle plate fixing frame module and a connecting rod cam mechanism, wherein a needle carrier module is fixed on the needle plate fixing frame module, the needle plate fixing frame module is connected with the self-adaptive vertical pressing module, and the self-adaptive vertical pressing module is opened and covered on the needle plate fixing frame module; the self-adaptive vertical pressing module comprises a pressing head fixing frame and a self-adaptive pressing head hinged with the pressing head fixing frame, when the self-adaptive vertical pressing module is covered on the needle plate fixing frame module, the self-adaptive pressing head presses down the micro electronic main board, the connecting rod cam mechanism comprises a connecting rod mechanism and a cam, the connecting rod mechanism is fixed on the needle plate fixing frame module, the cam is fixed on the self-adaptive vertical pressing module, and the connecting rod mechanism is in linear contact with the cam all the time.
Further, the fixed frame module of faller includes the fixed frame of faller, the one end of the fixed frame of pressure head is connected with the fixed frame of faller through pivot and torsional spring, and the other end is provided with the buckle, the one end that the fixed frame of faller kept away from the pivot is provided with the recess corresponding with the buckle, the fixed frame of pressure head passes through buckle and recess and the fixed frame lock of faller.
Further, the connecting rod mechanism comprises a driven push block and a connecting plate, the driven push block is connected with the push block connecting block through a first rotating shaft, a first spring is arranged between the push block connecting block and the fixed block, screw holes are respectively formed in two ends of the push block connecting block, the fixed block and the connecting plate, a guide connecting screw penetrating through the screw holes sequentially connects the push block connecting block, the fixed block and the connecting plate in series, one end of the guide connecting screw is fixedly connected with the push block connecting block, the other end of the guide connecting screw is fixed on the connecting plate, the connecting plate is connected with a driving push rod through a second rotating shaft, and the driving push rod is in linear contact with the cam all the time; the center position of the cam is provided with a through hole, and one surface opposite to the arc-shaped surface of the cam is fixed with the self-adaptive vertical pressing module together through a screw.
Further, be provided with needle carrier plate module on the faller fixed frame, needle carrier plate module includes needle carrier plate mechanism, needle carrier plate mechanism installs the float carrier plate, place small electronic motherboard on the float carrier plate, the back of needle carrier plate mechanism is provided with reserved pin, a guide pin axle is installed respectively to the diagonal position of needle carrier plate mechanism, at least two second springs are installed on four limits of needle carrier plate mechanism, the float carrier plate is provided with the locating hole in the place that corresponds the guide pin axle, the float carrier plate passes through the locating hole and installs on needle carrier plate mechanism, be provided with the contour screw on the three angles of float carrier plate respectively, the shape of one angle of float carrier plate and the shape mutually adaptation of the driven ejector pad of link mechanism.
Further, the self-adaptive pressing head is fixed on the pressing head fixing frame through hinging, and when the pressing head fixing frame is overturned, the self-adaptive pressing head realizes swinging at different angles by means of self gravity.
Further, the self-adaptation is pushed down the pressure head and is included the pressure head fixed plate, and the pressure head fixed plate locks the POM pressure head through the contour screw, still installs the third spring between POM pressure head and the pressure head fixed plate, and pressure head fixed plate both sides are articulated with the pressure head fixed frame through articulated screw respectively, and the self-adaptation is pushed down the pressure head and can be opened and close with the pressure head fixed frame, realizes the upset under the action of gravity.
Further, the cam is sleeved on the rotating shaft through the through hole, one surface, opposite to the arc-shaped surface of the cam, of the cam is fixed with the pressing head fixing frame through a screw, the cam rotates on the rotating shaft along with the turnover of the pressing head fixing frame to push and release the connecting rod mechanism, and the connecting rod mechanism is fixed on the needle plate fixing frame.
Further, a first rotating shaft sleeve is arranged on the needle plate fixing frame, a second rotating shaft sleeve is arranged on the pressing head fixing frame, the rotating shaft penetrates through the second rotating shaft sleeve of the pressing head fixing frame, and two ends of the rotating shaft are respectively and fixedly arranged in the first rotating shaft sleeve of the needle plate fixing frame.
Further, a torsion spring is sleeved on the rotating shaft, and two pins of the torsion spring are respectively connected with the pressing head fixing frame and the needle plate fixing frame.
The invention has the beneficial effects that: the invention reserves a responsive positioning pin on the pin carrier plate module, is convenient to be matched with an automatic production line, and the self-adaptive pressing head is hinged and fixed on the pressing head fixing frame, so that when the pressing head fixing frame is overturned, the self-adaptive pressing head can swing at different angles by means of self gravity and can vertically contact with the micro electronic main board, the self-adaptive vertical pressing according to the height of the micro electronic main board can be realized, when the pressing head fixing frame overturns, the cam moves, the connecting rod structure is promoted to push and position the micro electronic main board and release the micro electronic main board, when the pressing head fixing frame is overturned, the pushing force is eliminated, the connecting rod mechanism is separated from the micro electronic main board, enough space is available for taking away the micro electronic main board, and the micro electronic main board is prevented from being collided with the peripheral positioning edge of the pin carrier plate mechanism, so that the micro electronic main board is damaged.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is an enlarged view of a portion of the present invention;
FIG. 3 is a partial enlarged view (II) of the present invention;
FIG. 4 is an enlarged view of the connecting rod cam of the present invention;
FIG. 5 is an enlarged view of the needle carrier mechanism of the present invention;
FIG. 6 is a block diagram of the adaptive hold down ram of the present invention;
Reference numerals: 1. a needle carrier module; 2. a needle plate fixing frame; 3. a micro electronic motherboard; 4. a rotating shaft; 5. self-adaptive pressing head; 6. a buckle; 7. a press head fixing frame; 8. a cam; 9. a link mechanism; 10. a first rotating sleeve; 11. a needle carrier mechanism; 12. reserving pins; 13. a floating carrier plate; 14. protecting the frame; 15. a buckle; 16. a torsion spring; 17. a driven pushing block; 18. a first rotating shaft; 19. a pushing block connecting block; 20. a fixed block; 21. guiding the connecting screw; 22. a connecting plate; 23. a second rotating shaft; 24. a driving push rod; 25. a first spring; 26. a guide pin shaft; 27. a contour screw; 28. a second spring; 29. positioning holes; 30. a pressure head; 31. a hinge screw; 32. a third spring; 33. and a pressure head fixing plate.
Detailed Description
The invention will be further described with reference to the accompanying drawings and detailed description below:
example 1
As shown in fig. 1,2 and 3, the test carrier based on self-adaptive pressing of the connecting rod cam positioning mechanism comprises a needle plate fixing frame module and a connecting rod cam mechanism, wherein a needle carrier plate module 1 is fixed on the needle plate fixing frame module, the needle plate fixing frame module is connected with the self-adaptive vertical pressing module, and the self-adaptive vertical pressing module is opened and covered on the needle plate fixing frame module; the self-adaptive vertical pressing module comprises a pressing head fixing frame 7 and a self-adaptive pressing head 5 hinged with the pressing head fixing frame 7, when the self-adaptive vertical pressing module is covered on the needle plate fixing frame module, the self-adaptive pressing head 5 presses down the micro electronic main board 3, so that the micro electronic main board 3 is in contact with a probe arranged on the needle carrier module, and a test circuit for testing the micro electronic main board 3 is conducted; the connecting rod cam mechanism comprises a connecting rod mechanism 9 and a cam 8, wherein the connecting rod mechanism 9 is fixed on the needle plate fixing frame module, the cam 8 is fixed on the self-adaptive vertical pressing module, and the connecting rod mechanism 9 and the cam 8 are in linear contact all the time.
The fixed frame module of faller includes the fixed frame 2 of faller, the one end of the fixed frame 7 of pressure head links to each other with the fixed frame 2 of faller through pivot 4 and torsional spring 16, the other end is provided with buckle 6, the fixed frame 2 of faller is kept away from pivot 5 and the one end of torsional spring 16 sets up the recess corresponding with buckle 6, when the fixed frame 7 of pressure head covers on the fixed frame 2 of faller, through buckle 6 and recess and the fixed frame 2 lock of faller, be provided with first pivot cover 10 on the fixed frame 2 of faller, the fixed frame 7 of pressure head is provided with the second pivot cover, pivot 4 passes the second pivot cover of the fixed frame 7 of pressure head, the both ends of pivot 4 are fixed respectively in the first pivot cover 10 of the fixed frame 2 of faller, torsional spring 16 overlaps in pivot 4, two pins of torsional spring 16 link to each other with the fixed frame 7 of pressure head and the fixed frame 10 of faller.
As shown in fig. 6, the self-adaptive pressing head 5 includes a pressing head fixing plate 33, the pressing head fixing plate 33 locks the POM pressing head 30 by means of a contour screw, a third spring 32 is further installed between the POM pressing head 30 and the pressing head fixing plate 33, and the POM pressing head 30 can play a role in buffering to prevent the micro electronic main board 3 from being damaged when the micro electronic main board 3 is pressed down; the two sides of the pressure head fixing plate 33 are respectively hinged with the pressure head fixing frame 7 through the hinging screws 31, and the self-adaptive downward pressure head 5 can be opened and closed along with the pressure head fixing frame 7, so that overturning is realized under the action of gravity.
As shown in fig. 4, the link mechanism comprises a driven push block 17 and a connecting plate 22, the driven push block 17 is connected with a push block connecting block 19 through a first rotating shaft 18, a first spring 25 is arranged between the push block connecting block 19 and a fixed block 20, screw holes are respectively formed at two ends of the push block connecting block 19, the fixed block 20 and the connecting plate 22, a guide connecting screw 21 penetrating through the screw holes sequentially connects the push block connecting block 19, the fixed block 20 and the connecting plate 22 in series, one end of the guide connecting screw 21 is fixedly connected with the push block connecting block 19, the other end of the guide connecting screw is fixed on the connecting plate 22, the connecting plate 22 is connected with a driving push rod 24 through a second rotating shaft 23, and the driving push rod 24 is always in linear contact with the cam 8; the center position of the cam 8 is provided with a through hole, the diameter of the through hole is slightly larger than that of the rotating shaft 4, the cam 8 is sleeved on the rotating shaft 4 through the through hole, one surface, opposite to the arc-shaped surface of the cam 8, of the cam 8 is fixed with the pressure head fixing frame 7 through a screw, and the cam 8 rotates on the rotating shaft 4 along with the overturning of the pressure head fixing frame 7 to push and release the connecting rod mechanism.
The cam 8 is fixed to the ram fixing frame 7, and as the ram fixing frame 7 is turned over, the cam 8 reaches the lowest point and the highest point, and when the ram fixing frame 7 is covered on the needle plate fixing frame 2, the cam 8 pushes the driving push rod 24, and the first spring 25 stretches, so that the driven push block 17 pushes the micro electronic motherboard 3, thereby pushing the micro electronic motherboard 3 tightly. When the pressure head fixing frame 7 is opened, the cam 8 reaches the highest point, the cam 8 pushes the driving push rod 24, the driving push rod 24 drives the driven push block 17 and the push block connecting block 19 to compress the first spring 25 through the connecting plate 22 and the guide connecting screw 21, the thrust of the driven push block 17 to the micro electronic main board 3 is eliminated, the micro electronic main board 3 is released, the micro electronic main board is conveniently taken out, and the micro electronic main board is prevented from being damaged.
As shown in fig. 5, a needle carrier module 1 is arranged on a needle plate fixing frame 2, the needle carrier module 1 comprises a needle carrier mechanism 11, a floating carrier 13 is arranged on the needle carrier mechanism 11, a tiny electronic main board 3 is placed on the floating carrier 13, a reserved pin 12 is arranged on the back of the needle carrier mechanism 11, a guide pin shaft 26 is respectively arranged at the diagonal position of the needle carrier mechanism 11, five second springs 28 are respectively arranged on four edges, positioning holes 29 are respectively arranged on the floating carrier 13 at the positions corresponding to the guide pin shafts 26, equal-height screws 27 are respectively arranged at three corners, and the shape of one corner of the floating carrier 13 is mutually adapted to the shape of a driven pushing block 17 of a connecting rod mechanism 9; the self-adaptive pressing head 5 is fixed on the pressing head fixing frame 7 in a hinged mode, and when the pressing head fixing frame 7 is overturned, the self-adaptive pressing head 5 swings at different angles by means of self gravity; the cam 8 is fixed on the press head fixing frame 7, the link mechanism 9 is fixed on the needle plate fixing frame, and when the press head fixing frame 7 is turned over and is positioned at different angles, the cam 8 pushes the link mechanism 9 to move, so that the link mechanism 9 pushes and positions the micro electronic main board 3 tightly and releases the micro electronic main board 3.
It will be apparent to those skilled in the art from this disclosure that various other changes and modifications can be made which are within the scope of the invention as defined in the appended claims.
Claims (9)
1. The test carrier is characterized by comprising a needle plate fixing frame module and a connecting rod cam mechanism, wherein a needle carrier module is fixed on the needle plate fixing frame module, the needle plate fixing frame module is connected with the self-adaptive vertical pressing module, and the self-adaptive vertical pressing module is opened and covered on the needle plate fixing frame module; the self-adaptive vertical pressing module comprises a pressing head fixing frame and a self-adaptive pressing head hinged with the pressing head fixing frame, when the self-adaptive vertical pressing module is covered on the needle plate fixing frame module, the self-adaptive pressing head presses down the micro electronic main board, the connecting rod cam mechanism comprises a connecting rod mechanism and a cam, the connecting rod mechanism is fixed on the needle plate fixing frame module, the cam is fixed on the self-adaptive vertical pressing module, the connecting rod mechanism is in linear contact with the cam all the time, the cam is sleeved on a rotating shaft for connecting the needle plate fixing frame module and the self-adaptive vertical pressing module through a through hole arranged in the center of the cam, and the cam rotates on the rotating shaft along with the turnover of the pressing head fixing frame to push and release the connecting rod mechanism; the connecting rod mechanism comprises a driven push block and a connecting plate, a push block connecting block, a fixed block and a connecting plate, wherein the driven push block is connected with the push block connecting block through a first rotating shaft, a first spring is arranged between the push block connecting block and the fixed block, screw holes are respectively formed in two ends of the push block connecting block, the fixed block and the connecting plate, guide connecting screws penetrating through the screw holes sequentially connect the push block connecting block, the fixed block and the connecting plate in series, the connecting plate is connected with a driving push rod through a second rotating shaft, and the driving push rod is always in linear contact with the cam.
2. The test carrier based on the self-adaptive pressing of the connecting rod cam positioning mechanism according to claim 1, wherein the needle plate fixing frame module comprises a needle plate fixing frame, one end of the pressure head fixing frame is connected with the needle plate fixing frame through a rotating shaft, the other end of the pressure head fixing frame is provided with a buckle, one end of the needle plate fixing frame far away from the rotating shaft is provided with a groove corresponding to the buckle, and the pressure head fixing frame is buckled with the needle plate fixing frame through the buckle and the groove.
3. The test carrier based on self-adaptive pressing of the connecting rod cam positioning mechanism according to claim 2, wherein the connecting rod mechanism comprises a driven push block and a connecting plate, the driven push block is connected with a push block connecting block through a first rotating shaft, a first spring is arranged between the push block connecting block and a fixed block, screw holes are respectively arranged at two ends of the push block connecting block, the fixed block and the connecting plate, a guide connecting screw penetrating through the screw holes sequentially connects the push block connecting block, the fixed block and the connecting plate in series, one end of the guide connecting screw is fixedly connected with the push block connecting block, the other end of the guide connecting screw is fixed on the connecting plate, the connecting plate is connected with a driving push rod through a second rotating shaft, and the driving push rod is always in linear contact with the cam; the center position of the cam is provided with a through hole, and one surface opposite to the arc-shaped surface of the cam is fixed with the self-adaptive vertical pressing module together through a screw.
4. The test carrier based on the self-adaptive pressing of the connecting rod cam positioning mechanism according to claim 2, wherein the needle carrier plate module is arranged on the needle plate fixing frame and comprises a needle carrier plate mechanism, the needle carrier plate mechanism is provided with a floating carrier plate, a tiny electronic main board is placed on the floating carrier plate, the back of the needle carrier plate mechanism is provided with reserved pins, the diagonal positions of the needle carrier plate mechanism are respectively provided with a guide pin shaft, four sides of the needle carrier plate mechanism are provided with at least two second springs, the floating carrier plate is provided with positioning holes at the positions corresponding to the guide pins, the floating carrier plate is arranged on the needle carrier plate mechanism through the positioning holes, the three corners of the floating carrier plate are respectively provided with equal-height screws, and the shape of one corner of the floating carrier plate is mutually adapted to the shape of the driven pushing block of the connecting rod mechanism.
5. The test carrier based on the self-adaptive pressing of the connecting rod cam positioning mechanism according to claim 2, wherein the self-adaptive pressing head is fixed on the pressing head fixing frame through hinging, and the self-adaptive pressing head realizes swinging of different angles by means of self gravity when the pressing head fixing frame is overturned.
6. The test carrier based on the self-adaptive pressing of the connecting rod cam positioning mechanism according to claim 2 or 5, wherein the self-adaptive pressing head comprises a pressing head fixing plate, the pressing head fixing plate locks the POM pressing head through a constant-height screw, a third spring is further arranged between the POM pressing head and the pressing head fixing plate, two sides of the pressing head fixing plate are respectively hinged with the pressing head fixing frame through hinging screws, and the self-adaptive pressing head can be opened and closed along with the pressing head fixing frame to realize overturning under the action of gravity.
7. The test carrier based on self-adaptive pressing of a connecting rod cam positioning mechanism according to claim 2, wherein the cam is sleeved on the rotating shaft through a through hole, one surface opposite to the arc-shaped surface of the cam is fixed with the pressing head fixing frame through a screw, the cam rotates on the rotating shaft along with the turnover of the pressing head fixing frame, the connecting rod mechanism is pushed and released, and the connecting rod mechanism is fixed on the needle plate fixing frame.
8. The test carrier based on the self-adaptive pressing of the connecting rod cam positioning mechanism according to claim 2, wherein the needle plate fixing frame is provided with a first rotating shaft sleeve, the pressing head fixing frame is provided with a second rotating shaft sleeve, the rotating shaft penetrates through the second rotating shaft sleeve of the pressing head fixing frame, and two ends of the rotating shaft are respectively and fixedly arranged in the first rotating shaft sleeve of the needle plate fixing frame.
9. The test carrier based on the self-adaptive pressing of the connecting rod cam positioning mechanism according to claim 2 or 8, wherein a torsion spring is sleeved on the rotating shaft, and two pins of the torsion spring are respectively connected with the pressing head fixing frame and the needle plate fixing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910517442.6A CN110161286B (en) | 2019-06-14 | Test carrier based on connecting rod cam positioning mechanism self-adaptive pressing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910517442.6A CN110161286B (en) | 2019-06-14 | Test carrier based on connecting rod cam positioning mechanism self-adaptive pressing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110161286A CN110161286A (en) | 2019-08-23 |
| CN110161286B true CN110161286B (en) | 2024-07-05 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210323117U (en) * | 2019-06-14 | 2020-04-14 | 珠海市精实测控技术有限公司 | Self-adaptive downward-pressing test carrier based on connecting rod cam positioning mechanism |
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210323117U (en) * | 2019-06-14 | 2020-04-14 | 珠海市精实测控技术有限公司 | Self-adaptive downward-pressing test carrier based on connecting rod cam positioning mechanism |
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Address after: 519100 area a, 29 Xinke 1st Road, Baijiao Science and Technology Industrial Park, Doumen District, Zhuhai City, Guangdong Province Applicant after: Zhuhai Jingshi Measurement and Control Technology Co.,Ltd. Address before: 519100 area a, 29 Xinke 1st Road, Baijiao Science and Technology Industrial Park, Doumen District, Zhuhai City, Guangdong Province Applicant before: P&R. MEASUREMENT Inc. |
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| GR01 | Patent grant |