CN216284610U - Fixing frame for lead frame tension test - Google Patents
Fixing frame for lead frame tension test Download PDFInfo
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- CN216284610U CN216284610U CN202122627825.4U CN202122627825U CN216284610U CN 216284610 U CN216284610 U CN 216284610U CN 202122627825 U CN202122627825 U CN 202122627825U CN 216284610 U CN216284610 U CN 216284610U
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Abstract
The utility model discloses a fixing frame for a lead frame tension test, which comprises a test base and an extrusion component, wherein the extrusion component is connected with the top of the test base in a sliding manner in the horizontal direction; further comprising a driving member for driving the pressing member; the test device further comprises a connecting member and a rolling member, wherein the connecting member is connected with the top of the test base in a sliding mode, the connecting member is fixedly connected with the rolling member, and the rolling member can roll on the top of the test base through the movement of the connecting member. The device comprises a testing base, a rolling component, an extrusion component, a rolling component and a rolling component, wherein the extrusion component and the rolling component are arranged on the testing base, the rolling component is arranged on the extrusion component, the rolling component is arranged on the rolling component, and the extrusion component and the rolling component are connected in a sliding mode.
Description
Technical Field
The utility model relates to the technical field of lead frame testing, in particular to a fixing frame for lead frame tension testing.
Background
Due to different process parameters and other reasons in the production process, after the semiconductor chip is packaged, the packaged lead frame needs to be subjected to reliability test, wherein the lead bonding strength in the lead frame is particularly important, the lead bonding strength is usually tested by adopting a tensile test method, when the lead frame is tested, the lead frame is often fixed by a fixing frame and then tested, but in the prior art, the fixing frame cannot be used for testing devices of different models.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a fixing frame for a lead frame tension test, which is used for solving the problem that devices of different types cannot be tested in the prior art.
In order to solve the technical problem, the utility model adopts the following scheme:
a fixing frame for lead frame tension test comprises a test base and an extrusion component which is connected with the top of the test base in a sliding mode in the horizontal direction; further comprising a driving member for driving the pressing member; the test device further comprises a connecting member and a rolling member, wherein the connecting member is connected with the top of the test base in a sliding mode, the connecting member is fixedly connected with the rolling member, and the rolling member can roll on the top of the test base through the movement of the connecting member. The device comprises a testing base, a rolling component, an extrusion component, a rolling component and a rolling component, wherein the extrusion component and the rolling component are arranged on the testing base, the rolling component is arranged on the extrusion component, the rolling component is arranged on the rolling component, and the extrusion component and the rolling component are connected in a sliding mode.
Furthermore, the driving component comprises a square ring-shaped electromagnet, the rolling component is positioned in the square ring-shaped electromagnet, and the rolling component is fixedly connected with the square ring-shaped electromagnet. The driving member is square annular electromagnet, can be so that the extrusion component passes through magnetic drive to when making square annular electromagnet circular telegram, the extrusion component produces the extrusion to the device, thereby fixed device, when square annular electromagnet outage, the extrusion component resets, and the device is taken out or is put into, thereby improves the efficiency that detects, and simultaneously, electromagnet drive can provide comparatively stable extrusion force, damages when avoiding the device to be tested. The device is a lead frame.
Furthermore, the rolling component comprises a rolling wheel and a rotating shaft which are coaxial, and the rolling wheel is arranged on the rotating shaft; the rolling component further comprises a fixed bearing, the two ends of the rotating shaft are provided with the fixed bearings, the fixed bearings are fixedly connected with the connecting component, the fixed bearings are fixed in the square annular electromagnet inner ring, and the rolling component is fixedly connected with the square annular electromagnet through the fixed bearings.
Further, the connecting component comprises a vertical supporting rod and an L-shaped connecting rod, the top of the supporting rod is connected with one end of the L-shaped connecting rod, a sliding rail is arranged at the bottom of the supporting rod, a guide rail is arranged on the top surface of the test base, the connecting component is connected with the test base in a sliding mode through the sliding rail and the guide rail, and the other end of the L-shaped connecting rod is fixedly connected with the rolling component.
Furthermore, the end part of the L-shaped connecting rod is fixedly connected with the fixed bearing.
Furthermore, the top of bracing piece is equipped with the spring, and the bracing piece passes through spring and L type connecting rod elastic connection. The spring is arranged, so that certain buffering can be provided during rolling, and the damage of devices of the roller during rolling is avoided.
Further, the extrusion component includes extrusion iron plate and slider, and extrusion iron plate bottom all is equipped with the slider, the test base top still is equipped with the spout that matches with the slider, and the test base sliding connection of the matching of slider and spout is passed through to extrusion iron plate, the magnetic drive of square annular electro-magnet is passed through to extrusion iron plate.
Further, the extrusion iron plate includes extrusion iron plate A and extrusion iron plate B, and the front side and the rear side of square ring shape electro-magnet are located respectively to extrusion iron plate A and extrusion iron plate B, and extrusion iron plate A and extrusion iron plate B are in slip opposite direction on the test base, all be equipped with the extension spring between extrusion iron plate A and extrusion iron plate B and the inside wall of test base.
Still including extrusion iron plate C and extrusion iron plate D, extrusion iron plate C and extrusion iron plate D's bottom all is equipped with the slider, is equipped with the spout that matches with extrusion iron plate C and extrusion iron plate D's slider on the test base top, and left side and right side that square ring shape electro-magnet were located respectively to extrusion iron plate C and extrusion iron plate D are in slip opposite direction on the test base, extrusion iron plate C and extrusion iron plate D's slip direction and extrusion iron plate A are perpendicular with extrusion iron plate B slip direction, all be equipped with the extension spring between extrusion iron plate C and the inside wall of test base. Four directions of the test base are all provided with the extruded iron plates, so that the tested device can be fixed in all four directions, namely all the directions around, more stable when being tested, and better test effect.
Further, the bottom of the test base is also provided with a fixed iron plate. Through at the fixed iron plate of test base bottom, can be so that when circular telegram, the connecting rod of rolling wheel, L type all moves down to press the device, provide the fixed of vertical direction, because the top of bracing piece is equipped with the spring, consequently can avoid the pressing force that the electro-magnet produced when circular telegram too big, cause the device to damage.
The utility model has the following beneficial effects:
1. the device can respectively fix the tested device in the horizontal direction and the vertical direction by arranging the extrusion component and the rolling component, and the extrusion component is connected with the test base in a sliding way, so that the rolling component can roll on the top of the test base, the device can fix devices with different types and sizes, and the strength of the gravity frame can be tested by pulling force after the devices are fixed.
2. The driving component is the square annular electromagnet, the extrusion component can be driven by magnetic force, so that when the square annular electromagnet is electrified, the extrusion component extrudes the device, the device is fixed, when the square annular electromagnet is powered off, the extrusion component resets, the device is taken out or put in, and the detection efficiency is improved.
3. According to the utility model, the iron plate is fixed at the bottom of the test base, so that the rolling wheel and the L-shaped connecting rod move downwards when the test base is electrified, the device is pressed, and the vertical fixing is provided.
Description of the drawings:
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a second schematic top view of the present invention;
FIG. 3 is a front view of the present invention;
fig. 4 is a schematic top view of a second embodiment of the present invention.
Reference numerals:
1-test base, 2-chute, 3-tension spring, 4-extruded iron plate B, 5-electromagnet, 6-fixed bearing, 7-rotating shaft, 8-rolling wheel, 9-extruded iron plate A, 10-extruded iron plate D, 11-extruded iron plate C, 12-sliding rail, 13-L type connecting rod, 14-guide rail, 15-spring, 16-support rod, 17-fixed iron plate, 18-pull rod.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited to these examples.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "open," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model is explained in detail below with reference to the figures and with reference to embodiments:
the first embodiment is as follows:
referring to fig. 1 to 3, a fixing frame for lead frame tensile test comprises a test base 1, and further comprises a pressing member slidably connected with the top of the test base 1 in a horizontal direction; further comprising a driving member for driving the pressing member; the test device further comprises a connecting member and a rolling member, wherein the connecting member is connected with the top of the test base 1 in a sliding mode, the connecting member is fixedly connected with the rolling member, and the rolling member can roll on the top of the test base 1 through the movement of the connecting member. The fixing in horizontal direction and vertical direction can be provided to the device under test respectively through setting up extrusion component and rolling press component, because extrusion component and test base 1 sliding connection, the rolling press component can roll at test base 1 top to make this device can realize fixing to the device of different models size, thereby pass through the intensity of tensile test gravitation frame after the device is fixed. The top of the test base 1 is provided with a test groove, and the extrusion component and the rolling component are both positioned in the test groove.
As shown in fig. 1 and 2, the driving member includes a square ring-shaped electromagnet 5, the rolling member is located in the square ring-shaped electromagnet 5, and the rolling member is fixedly connected with the square ring-shaped electromagnet 5. The drive component is square annular electro-magnet 5, can be so that the extrusion component passes through magnetic drive to when making square annular electro-magnet 5 circular telegram, the extrusion component produces the extrusion to the device, thereby fixed device, when square annular electro-magnet 5 outage, the extrusion component resets, and the device is taken out or put into, thereby improves the efficiency that detects, and simultaneously, 5 drives of electro-magnet can provide comparatively stable extrusion force, avoids the device to be damaged when being tested. The device is a lead frame.
The rolling members as shown in fig. 1 to 3 comprise rolling wheels 8 and rotating shafts 7 which are coaxial, and the rolling wheels 8 are installed on the rotating shafts 7; the rolling component further comprises a fixed bearing 6, the two ends of the rotating shaft 7 are provided with the fixed bearings 6, the fixed bearings 6 are fixedly connected with the connecting component, the fixed bearings 6 are fixed in the square annular electromagnet 5, and the rolling component is fixedly connected with the square annular electromagnet 5 through the fixed bearings 6.
As shown in fig. 2 and 3, the connecting member includes a vertical support rod 16 and an L-shaped connecting rod 13, the top of the support rod 16 is connected to one end of the L-shaped connecting rod 13, a slide rail 12 is disposed at the bottom of the support rod 16, a guide rail 14 is disposed on the top surface of the test base 1, the connecting member is slidably connected to the test base 1 through the slide rail 12 and the guide rail 14, and the other end of the L-shaped connecting rod 13 is fixedly connected to the rolling member.
The end of the L-shaped connecting rod 13 is fixedly connected to the fixed bearing 6 as shown in fig. 2 and 3.
As shown in FIG. 3, a spring 15 is disposed on the top of the support rod 16, and the support rod 16 is elastically connected to the L-shaped connecting rod 13 through the spring 15. The spring 15 can provide certain buffer during rolling, and the damage of the roller during rolling is avoided.
As shown in fig. 1 to 3, the extrusion component includes an extrusion iron plate and a sliding block, the bottom of the extrusion iron plate is provided with a sliding block, the top of the test base 1 is further provided with a sliding groove 2 matched with the sliding block, the extrusion iron plate is connected with the test base 1 matched with the sliding groove 2 in a sliding manner through the sliding block, and the extrusion iron plate is driven by the magnetic force of the square ring-shaped electromagnet 5.
As shown in fig. 1 to 3, the iron pressing plate includes an iron pressing plate a9 and an iron pressing plate B4, the iron pressing plate a9 and the iron pressing plate B4 are respectively disposed at the front side and the rear side of the square ring-shaped electromagnet 5, the iron pressing plate a9 and the iron pressing plate B4 are opposite to each other in the sliding direction of the test base 1, and tension springs 3 are disposed between the iron pressing plate a9 and the iron pressing plate B4 and the inner side wall of the test base 1.
As shown in fig. 1 to 3, the testing device further comprises an extruded iron plate C11 and an extruded iron plate D10, sliders are arranged at the bottoms of the extruded iron plate C11 and the extruded iron plate D10, a sliding groove 2 matched with the sliders of the extruded iron plate C11 and the extruded iron plate D10 is formed in the top of the testing base 1, the extruded iron plate C11 and the extruded iron plate D10 are respectively arranged on the left side and the right side of the square ring-shaped electromagnet 5, the extruded iron plate C11 and the extruded iron plate D10 are opposite to the sliding direction of the testing base 1, the sliding directions of the extruded iron plate C11 and the extruded iron plate D10 are perpendicular to the sliding directions of the extruded iron plate a9 and the extruded iron plate B4, and tension springs 3 are arranged between the extruded iron plate C11 and the extruded iron plate C11 and the inner side wall of the testing base 1. Four directions of the test base 1 are all provided with the extruded iron plates, so that the tested device can be fixed in all four directions, namely all the directions around, more stable when being tested, and better test effect.
As shown in fig. 3, the bottom of the test base 1 is further provided with a fixed iron plate 17. Through fixed iron plate 17 in test base 1 bottom, can be so that when the circular telegram, the connecting rod of rolling wheel 8, L type all moves down to press down the device, provide vertical direction's fixed, because the top of bracing piece 16 is equipped with spring 15, consequently can avoid the pressing force that produces when electro-magnet 5 circular telegram too big, cause the device to damage.
Example two:
as shown in fig. 4, the test base 1 is provided with a plurality of parallel extruded iron plates a9 and a plurality of parallel extruded iron plates B4, the bottoms of the extruded iron plates a9 and B4 are both provided with sliders, the top of the test base 1 is provided with a chute 2 matched with the sliders of the extruded iron plates a9 and B4, and the left end face or the right end face of the test base 1 is provided with a pull rod 18.
The structure of the second embodiment does not include the pressing plate C and the pressing plate D, and the rest of the structure is the same as that of the second embodiment.
The working principle of the utility model is as follows:
when the device is used, a device is placed at the top of the test base 1, then the square annular electromagnet 5 is electrified to generate magnetism, and the extrusion iron plate is in sliding connection with the test base 1 through the sliding block and the sliding groove 2 and moves along with the square annular electromagnet 5 of the sliding block box until the supporting force generated by the device is equal to the pulling force and the magnetic force of the tension spring 3; meanwhile, because the bottom of the test base 1 is provided with the fixed iron plate 17, the support rod 16 is elastically connected with the L-shaped connecting rod 13 through the spring 15, and the square annular electromagnet 5 and the L-shaped connecting rod 13 are fixedly connected, when the square annular electromagnet 5 is electrified, the rolling wheel 8 can generate downward pressing force on the device through the magnetic force between the electromagnet 5 and the fixed iron plate 17, after the device is fixed, the device is tested by the tensile testing machine, after the test is completed, the extrusion component and the rolling component reset under the action of the tension spring 3 and the spring 15 respectively, then the connecting component slides on the test base 1 through the slide rail 12 and the guide rail 14, so that another device to be tested is placed on the top of the test base 1, and then the new test round is started after the resetting is completed, or in the second embodiment, the connecting component slides to the position above the position of another device to be tested to provide vertical pressure on the other device to be tested, another device under test is fixed.
The foregoing is only a preferred embodiment of the present invention, and the present invention is not limited thereto in any way, and any simple modification, equivalent replacement and improvement made to the above embodiment within the spirit and principle of the present invention still fall within the protection scope of the present invention.
Claims (9)
1. A mount for lead frame tensile test, includes test base (1), its characterized in that: the test device also comprises a pressing component which is connected with the top of the test base (1) in a sliding way in the horizontal direction; further comprising a driving member for driving the pressing member; the testing device also comprises a connecting member and a rolling member, wherein the connecting member is connected with the top of the testing base (1) in a sliding mode, the connecting member is fixedly connected with the rolling member, and the rolling member can roll on the top of the testing base (1) through the movement of the connecting member.
2. The fixing frame for the lead frame tension test according to claim 1, wherein: the driving component comprises a square annular electromagnet (5), the rolling component is positioned in the square annular electromagnet (5), and the rolling component is fixedly connected with the square annular electromagnet (5).
3. The fixing frame for the lead frame tension test according to claim 2, wherein: the rolling component comprises a rolling wheel (8) and a rotating shaft (7) which are coaxial, and the rolling wheel (8) is arranged on the rotating shaft (7); the rolling component further comprises a fixed bearing (6), the two ends of the rotating shaft (7) are respectively provided with the fixed bearing (6), the fixed bearing (6) is fixedly connected with the connecting component, the fixed bearing (6) is fixed in the inner ring of the square annular electromagnet (5), and the rolling component is fixedly connected with the square annular electromagnet (5) through the fixed bearing (6).
4. The fixing frame for the lead frame tension test according to claim 3, wherein: the connecting component comprises a vertical supporting rod (16) and an L-shaped connecting rod (13), the top of the supporting rod (16) is connected with one end of the L-shaped connecting rod (13), a sliding rail (12) is arranged at the bottom of the supporting rod (16), a guide rail (14) is arranged on the top surface of the test base (1), the connecting component is connected with the test base (1) in a sliding mode through the sliding rail (12) and the guide rail (14), and the other end of the L-shaped connecting rod (13) is fixedly connected with the rolling component.
5. The fixing frame for lead frame tension test according to claim 4, wherein: the end part of the L-shaped connecting rod (13) is fixedly connected with the fixed bearing (6).
6. The fixing frame for lead frame tension test according to claim 4, wherein: the top of the supporting rod (16) is provided with a spring (15), and the supporting rod (16) is elastically connected with the L-shaped connecting rod (13) through the spring (15).
7. The fixing frame for the lead frame tension test according to claim 2, wherein: the extrusion component includes extrusion iron plate and slider, and extrusion iron plate bottom all is equipped with the slider, test base (1) top still is equipped with spout (2) that match with the slider, and extrusion iron plate passes through test base (1) sliding connection of the matching of slider and spout (2), and extrusion iron plate passes through the magnetic drive of square annular electro-magnet (5).
8. The fixture for lead frame tensile testing according to claim 7, wherein: the utility model discloses a test base, including extrusion iron plate A (9) and extrusion iron plate B (4), the front side and the rear side of square ring shape electro-magnet (5) are located respectively to extrusion iron plate A (9) and extrusion iron plate B (4), and extrusion iron plate A (9) and extrusion iron plate B (4) are in slip opposite direction on test base (1), all be equipped with extension spring (3) between the inside wall of extrusion iron plate A (9) and extrusion iron plate B (4) and test base (1).
9. The fixing frame for the lead frame tension test according to claim 1, wherein: the bottom of the test base (1) is also provided with a fixed iron plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122627825.4U CN216284610U (en) | 2021-10-29 | 2021-10-29 | Fixing frame for lead frame tension test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122627825.4U CN216284610U (en) | 2021-10-29 | 2021-10-29 | Fixing frame for lead frame tension test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216284610U true CN216284610U (en) | 2022-04-12 |
Family
ID=81003314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122627825.4U Active CN216284610U (en) | 2021-10-29 | 2021-10-29 | Fixing frame for lead frame tension test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216284610U (en) |
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2021
- 2021-10-29 CN CN202122627825.4U patent/CN216284610U/en active Active
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