CN211043575U - Printed circuit board test fixture - Google Patents
Printed circuit board test fixture Download PDFInfo
- Publication number
- CN211043575U CN211043575U CN201921578904.7U CN201921578904U CN211043575U CN 211043575 U CN211043575 U CN 211043575U CN 201921578904 U CN201921578904 U CN 201921578904U CN 211043575 U CN211043575 U CN 211043575U
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- circuit board
- printed circuit
- clamping jaw
- fixed
- module
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Abstract
The utility model provides a printed circuit board test fixture, its includes the base, fixes left and right handed screw rod, first clamping jaw, first fixed sliding block, second clamping jaw, the fixed slider of second, first nut, second nut on the base and controls the handle nut that the screw rod is connected, first clamping jaw is fixed and is constituteed first clamping jaw module on first fixed sliding block, the second clamping jaw is fixed and is constituteed second clamping jaw module on the fixed slider of second, first clamping jaw module links together through first nut and left and right handed screw rod, second clamping jaw module links together through second nut and left and right handed screw rod. The utility model discloses a printed circuit board test fixture drives first clamping jaw and second clamping jaw relative motion through rotatory handle nut, realizes the tight printed circuit board function of quick clamp.
Description
Technical Field
The application belongs to the electron field, especially relates to a printed circuit board test fixture.
Background
At present, when a printed circuit board is tested for push-pull force, a testing tool generally adopts a one-way pressing mechanism. The test fixture is generally adsorbed on a test platform in vacuum.
The single hold down mechanism does not ensure that the test sample is in the middle of the test apparatus and requires the test work to be moved below the test head by rotating the X-axis and Y-axis motors. The testing method has low efficiency and cannot meet the requirement of quickly testing a plurality of samples. Meanwhile, the testing tool is fixed on the testing platform in a vacuum adsorption mode, and the testing requirement of large push-pull force cannot be met. The test effect is influenced by the movement generated in the test process of large push-pull force.
To the problem that exists among the prior art, the utility model provides a novel printed circuit board test fixture of structure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to design a printed circuit board test fixture, this printed circuit board test fixture can press from both sides tight module test position by the quick adjustment through adjusting the handle elasticity on the location module to realize multi-angle test function.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a printed circuit board test fixture, its includes the base, fixes left and right handed screw rod, first clamping jaw, first fixed sliding block, second clamping jaw, the fixed slider of second, first nut, second nut on the base and controls the handle nut that the screw rod is connected, first clamping jaw is fixed and is constituteed first clamping jaw module on first fixed sliding block, the second clamping jaw is fixed and is constituteed second clamping jaw module on the fixed slider of second, first clamping jaw module links together through first nut and left and right handed screw rod, second clamping jaw module links together through second nut and left and right handed screw rod.
Further, printed circuit board test fixture still includes thrust bearing, first side shield and second side shield, a left side dextrorotation lead screw passes through thrust bearing, first side shield and second side shield and fixes on the base.
Furthermore, the base, the first clamping jaw module and the second clamping jaw module are provided with crossed roller guide rails.
Further, the printed circuit board test tool further comprises an upper cover plate, and the upper cover plate is fixed on the first side baffle and the second side baffle through screws and covers the left and right screw rods.
Furthermore, printed circuit board test fixture still includes rotatory cylinder and wear-resisting dish, rotatory cylinder and wear-resisting dish pass through the screw fixation on the base, form printed circuit board's the tight module of clamp.
Further, the printed circuit board test tool further comprises a positioning disc, and the positioning disc is connected with the chassis through screws to form a positioning module.
Furthermore, printed circuit board test fixture still includes rotatory cylinder and handle, during rotatory cylinder inserted the positioning disk to will press from both sides tight module through the handle and fix on the positioning module.
Further, the printed circuit board test tool further comprises a base plate, an air pipe connector and a sealing ring, wherein the air pipe connector and the sealing ring are installed on the base plate to form a closed cavity.
Further, the printed circuit board testing tool further comprises a fixing block and two fixing columns, wherein the two fixing columns are connected with the fixing block through screws and are fixed on the chassis together.
Compared with the prior art, the utility model has the advantages of:
(1) the utility model discloses a control lead screw and nut and can realize two-sided quick clamping test sample function.
(2) The utility model discloses in big push-and-pull power test, owing to adopt the fixed column to be connected with equipment, test fixture is fixed more stable at test platform, ensures the high accuracy test result.
(3) The utility model discloses a handle elasticity on the regulation positioning module can the tight module test position of quick adjustment clamp to realize multi-angle test function.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be 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 described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 shows the structure schematic diagram of the printed circuit board testing tool of the present invention.
Fig. 2 is a schematic view of a part of the structure of the printed circuit board testing tool of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, 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 work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, a printed circuit board testing tool comprises a base 6, a left-right screw rod 5 fixed on the base 6, a first clamping jaw 1, a second fixed sliding block 15, a second clamping jaw 2, a first fixed sliding block 4, a first nut 14, a second nut 13 and a handle nut 8 connected with the left-right screw rod 5. The first clamping jaw 1 is fixed on a first fixed sliding block 4 to form a first clamping jaw module, the second clamping jaw 2 is fixed on a second fixed sliding block 15 to form a second clamping jaw module, the first clamping jaw module is connected with a left and right screw rod 5 through a second nut 13, and the second clamping jaw module is connected with the left and right screw rod 5 through a first nut 14. The handle nut 8 is connected with the left and right screw rods 5 through threads, and the handle nut 8 is rotated to drive the first clamping jaw 1 and the second clamping jaw 2 to move relatively, so that the function of quickly clamping the printed circuit board is realized.
As shown in fig. 1, the printed circuit board testing tool further comprises a thrust bearing 12, a first side baffle 11 and a second side baffle 7, and the left-right rotating screw rod 5 is fixed on the base 6 through the thrust bearing 12, the first side baffle 11 and the second side baffle 7.
And the base 6, the first clamping jaw module and the second clamping jaw module are provided with crossed roller guide rails, so that the first clamping jaw 1 and the second clamping jaw 2 are ensured to be parallel during relative movement.
As shown in fig. 1, the printed circuit board testing tool further comprises an upper cover plate 3, wherein the upper cover plate 3 is fixed on the first side baffle plate 11 and the second side baffle plate 7 through screws, and covers the left and right spinning rods 5 to achieve a protection function. The printed circuit board testing tool further comprises a rotating cylinder 10 and a wear-resistant disc 9, wherein the rotating cylinder 10 and the wear-resistant disc 9 are fixed on the base 6 through screws to form a clamping module of the printed circuit board.
As shown in fig. 1 and 2, the printed circuit board testing tool further includes a positioning plate 22, and the positioning plate 22 is connected with the chassis 16 through screws to form a positioning module. The printed circuit board testing tool further comprises a rotary cylinder 10 and a handle 17, wherein the rotary cylinder 10 is inserted into the positioning disc 22, the clamping module is fixed on the positioning module through the handle 17, and the adjusting handle 17 can be used for quickly adjusting the testing position of the clamping module to realize a multi-angle testing function.
As shown in fig. 2, the printed circuit board testing tool further comprises a base plate 16, an air pipe connector 21 and a sealing ring 18, wherein the air pipe connector 21 and the sealing ring 18 are installed on the base plate 16 to form a closed cavity, and are connected with a vacuum generator on the BOND TEST equipment through an air pipe to generate vacuum so that the testing tool is fixed on a moving platform of the BOND TEST equipment. The use of vacuum can satisfy the low push-pull force test requirements.
As shown in fig. 2, the pcb testing fixture further includes a fixing block 20 and two fixing posts 19, and the two fixing posts 19 are connected to the fixing block 20 by screws and fixed together on the chassis 16. The two fixing posts 19 are connected with the BONDTEST device, and the two fixing posts 19 are adopted to enable the device to meet the requirement of a large push-pull force test.
The utility model discloses the principle of realizing printed circuit board clamping function does: through the rotation of the handle nut 8, the first clamping jaw 1 and the second clamping jaw 2 are driven by the left and right screw rods 5 to simultaneously clamp a printed circuit board test sample at two sides. Meanwhile, the first fixed sliding block 15 is connected with the second fixed sliding block 4 through a crossed roller guide rail, so that the clamping jaws are kept parallel in the process of moving left and right.
The utility model discloses the principle of realizing test fixture fixed function does: the base 16 is connected with the BOND TEST device through the two positioning columns 19 and the fixing block 20, so that the stable connection between the testing tool and the BOND TEST device can be ensured in the large push-pull force testing process, and the high-precision testing result is ensured.
Compared with the prior art, the utility model has the advantages of:
(1) the utility model discloses a control lead screw and nut and can realize two-sided quick clamping test sample function.
(2) The utility model discloses in big push-and-pull power test, owing to adopt the fixed column to be connected with equipment, test fixture is fixed more stable at test platform, ensures the high accuracy test result.
(3) The utility model discloses a handle elasticity on the regulation positioning module can the tight module test position of quick adjustment clamp to realize multi-angle test function.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; 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 or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. The utility model provides a printed circuit board test fixture, its characterized in that, it includes the base, fixes left and right rotary screw rod, first clamping jaw, first fixed slider, second clamping jaw, the fixed slider of second, first nut, second nut and with control the handle nut that the rotary screw rod is connected, first clamping jaw is fixed and is constituteed first clamping jaw module on first fixed slider, the second clamping jaw is fixed and is constituteed second clamping jaw module on the fixed slider of second, first clamping jaw module links together through first nut and left and right rotary screw rod, second clamping jaw module links together through second nut and left and right rotary screw rod.
2. The printed circuit board test tool of claim 1, wherein: the printed circuit board test tool further comprises a thrust bearing, a first side baffle and a second side baffle, and the left-handed and right-handed screw rod is fixed on the base through the thrust bearing, the first side baffle and the second side baffle.
3. The printed circuit board test tool of claim 1, wherein: and the base, the first clamping jaw module and the second clamping jaw module are provided with crossed roller guide rails.
4. The printed circuit board test tool of claim 1, wherein: the printed circuit board test tool further comprises an upper cover plate, wherein the upper cover plate is fixed on the first side baffle and the second side baffle through screws and covers the left and right spinning rods.
5. The printed circuit board test tool of claim 1, wherein: the printed circuit board testing tool further comprises a rotating cylinder and a wear-resistant disc, wherein the rotating cylinder and the wear-resistant disc are fixed on the base through screws to form a clamping module of the printed circuit board.
6. The printed circuit board testing tool according to claim 5, characterized in that: the printed circuit board test tool further comprises a positioning disc, and the positioning disc is connected with the chassis through screws to form a positioning module.
7. The printed circuit board testing tool according to claim 6, characterized in that: the printed circuit board testing tool further comprises a rotating cylinder and a handle, wherein the rotating cylinder is inserted into the positioning disc, and the clamping module is fixed on the positioning module through the handle.
8. The printed circuit board test tool of claim 1, wherein: the printed circuit board test tool further comprises a base plate, an air pipe connector and a sealing ring, wherein the air pipe connector and the sealing ring are installed on the base plate to form a closed cavity.
9. The printed circuit board testing tool according to claim 8, characterized in that: the printed circuit board testing tool further comprises a fixing block and two fixing columns, and the two fixing columns are connected with the fixing block through screws and fixed on the chassis together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921578904.7U CN211043575U (en) | 2019-09-23 | 2019-09-23 | Printed circuit board test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921578904.7U CN211043575U (en) | 2019-09-23 | 2019-09-23 | Printed circuit board test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211043575U true CN211043575U (en) | 2020-07-17 |
Family
ID=71538333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921578904.7U Active CN211043575U (en) | 2019-09-23 | 2019-09-23 | Printed circuit board test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211043575U (en) |
-
2019
- 2019-09-23 CN CN201921578904.7U patent/CN211043575U/en active Active
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| GR01 | Patent grant |