CN110967529A - Drive crimping test fixture and power amplifier tube performance test system - Google Patents
Drive crimping test fixture and power amplifier tube performance test system Download PDFInfo
- Publication number
- CN110967529A CN110967529A CN201811138843.2A CN201811138843A CN110967529A CN 110967529 A CN110967529 A CN 110967529A CN 201811138843 A CN201811138843 A CN 201811138843A CN 110967529 A CN110967529 A CN 110967529A
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- crimping
- block
- test fixture
- test
- elastic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/26—Testing of individual semiconductor devices
- G01R31/2601—Apparatus or methods therefor
Abstract
The invention provides a driving compression joint test fixture and a power amplifier tube performance test system, and relates to the field of test fixtures. Compared with the prior art, the driving crimping test fixture provided by the invention has the advantages that the driving mechanism is used for driving the elastic crimping mechanism to automatically crimp a product, the crimping force is stable, manual operation during product clamping is avoided, and the test efficiency is greatly improved.
Description
Technical Field
The invention relates to the field of test fixtures, in particular to a drive crimping test fixture and a power amplifier tube performance test system.
Background
The power amplifier tube is usually tested by a test fixture, and the test fixture belongs to a category below a fixture and is a fixture specially used for testing and experimenting functions, power calibration, service life, performance and the like of a product.
In prior art, the power tube utilizes fixed spring bolt and spring bolt mouth to compress tightly the briquetting or utilize the depression bar structure to compress tightly the briquetting on the power tube usually at the test procedure, thereby test the power tube, in-process at fixed power tube need manual dismantlement screw or manual adjusting bolt to obtain suitable crimping power, in the time of wasting like this, efficiency of software testing ground, manual regulation makes the crimping effect unstable simultaneously, cause the fish tail even to the power tube, thereby influence the outward appearance of power tube.
In view of this, it is very important to design and manufacture a driving crimping test fixture which can automatically crimp, has stable crimping force and can greatly improve the test efficiency.
Disclosure of Invention
The invention aims to provide a driving crimping test fixture which can automatically crimp, has stable crimping force and can greatly improve the test efficiency.
Another objective of the present invention is to provide a power amplifier tube performance testing system, which has good testing effect and high testing efficiency and can avoid damage to the power amplifier tube.
The invention is realized by adopting the following technical scheme.
The utility model provides a drive crimping test fixture, includes test base station, actuating mechanism, bears frame and elasticity crimping mechanism, bears the frame setting on the test base station, is provided with the clamping position on the test base station, and actuating mechanism connects in bearing the frame, and elasticity crimping mechanism is connected and can make reciprocating motion under actuating mechanism's drive with actuating mechanism's transmission, and elasticity crimping mechanism sets up with the clamping position relatively.
Further, the driving mechanism comprises an air cylinder and an electromagnetic valve, the air cylinder is arranged on the bearing rack, the electromagnetic valve is connected with the air cylinder, the air cylinder is provided with a piston rod, and the piston rod is fixedly connected with the elastic crimping mechanism so that the air cylinder drives the elastic crimping mechanism to reciprocate.
Further, elasticity crimping mechanism includes fixed connection piece, crimping piece and elastic buffer, fixed connection piece and piston rod fixed connection, and elastic buffer's one end is connected in the bottom of fixed connection piece, and the crimping piece is connected and sets up relatively with the clamping phase with elastic buffer's the other end.
Further, elastic buffer includes spring and guide post, the one end and the crimping piece fixed connection of guide post, the other end and the fixed connection piece swing joint of guide post, the spring around establishing on the guide post and respectively with fixed connection piece and crimping piece butt.
Furthermore, a connecting hole is formed in the fixed connecting block, and one end, far away from the compression connecting block, of the guide column penetrates through the connecting hole and can slide in the connecting hole.
Further, the crimping piece includes briquetting portion and pressure head portion, and briquetting portion is connected with elastic buffer, pressure head portion fixed connection in the bottom of briquetting portion.
Further, the pressure head part is made of an anti-static insulating material or the surface of the pressure head part is coated with the anti-static insulating layer.
Further, the crimping block further comprises a reinforcing rib portion, and the reinforcing rib portion is fixedly connected with the pressing block portion and the pressing head portion respectively.
Furthermore, the bearing rack comprises a support screw, a ball screw bearing and a cantilever platform, the support screw is fixedly arranged on the test base platform, the ball screw bearing is sleeved on the support screw, the cantilever platform is slidably sleeved on the support screw and abutted against the top of the ball screw bearing, and the driving mechanism is arranged on the cantilever platform.
The utility model provides a power amplifier tube capability test system, includes drive crimping test fixture, drive crimping test fixture includes test base station, actuating mechanism, bears frame and elasticity crimping mechanism, bears the frame setting on the test base station, is provided with the clamping position on the test base station, and actuating mechanism connects in bearing the frame, and elasticity crimping mechanism is connected with the actuating mechanism transmission and can make reciprocating motion under actuating mechanism's drive, and elasticity crimping mechanism sets up with the clamping position is relative.
The invention has the following beneficial effects:
the invention provides a driving compression joint test fixture, wherein a bearing rack is arranged on a test base station, a clamping position is arranged on the test base station, a driving mechanism is connected on the bearing rack, an elastic compression joint mechanism is in transmission connection with the driving mechanism and can reciprocate under the driving of the driving mechanism, and the elastic compression joint mechanism is arranged opposite to the clamping position. Before carrying out the capability test, place the test product on the clamping position on the test base station, start actuating mechanism, actuating mechanism drives elasticity crimping mechanism downstream for elasticity crimping mechanism butt is on the product, accomplishes the centre gripping action to the product, and actuating mechanism drives elasticity crimping mechanism upward movement after the test is accomplished, makes elasticity crimping mechanism break away from the product, waits for the centre gripping next time. Compared with the prior art, the driving crimping test fixture provided by the invention has the advantages that the driving mechanism is used for driving the elastic crimping mechanism to automatically crimp a product, the crimping force is stable, manual operation during product clamping is avoided, and the test efficiency is greatly improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a driving crimping test fixture according to a first embodiment of the present invention at a first viewing angle;
FIG. 2 is a schematic structural diagram of the elastic crimping mechanism of FIG. 1;
FIG. 3 is a schematic view of the connection structure of the elastic crimping mechanism of FIG. 1;
fig. 4 is a schematic structural diagram of a driving crimping test fixture in a second view according to the first embodiment of the present invention.
Icon: 100-driving a crimping test fixture; 110-a test station; 130-a drive mechanism; 131-a cylinder; 133-a piston rod; 150-a carrier rack; 151-support screw rod; 153-ball screw bearings; 155-cantilever stage; 170-elastic crimping mechanism; 171-fixed connection block; 173-a crimp block; 1731-a briquetting section; 1733-pressing the head; 175-a resilient buffer; 1751-a spring; 1753-guide post.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships conventionally put on the products of the present invention when used, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements 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. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly and may, for example, be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.
First embodiment
Referring to fig. 1, the present embodiment provides a driven crimping test fixture 100 for crimping a product to be tested. It should be noted that, in this embodiment, the product to be tested is a power amplifier tube, and the power amplifier tube is crimped by driving the crimping test fixture 100, so as to facilitate subsequent performance test. Of course, the product to be tested may also be a circuit board or other electrical components, and this embodiment is only described with reference to the power amplifier tube, and the category of the product to be tested is not particularly limited.
The driving crimping test fixture 100 provided by this embodiment includes a test base 110, a driving mechanism 130, a bearing frame 150 and an elastic crimping mechanism 170, wherein the bearing frame 150 is disposed on the test base 110, a clamping position is disposed on the test base 110, the driving mechanism 130 is connected to the bearing frame 150, the elastic crimping mechanism 170 is in transmission connection with the driving mechanism 130 and can reciprocate under the driving of the driving mechanism 130, and the elastic crimping mechanism 170 is disposed opposite to the clamping position.
Before performance testing, a test product is placed on a clamping position on the test base platform 110, the driving mechanism 130 is started, the driving mechanism 130 drives the elastic crimping mechanism 170 to move downwards, the elastic crimping mechanism 170 abuts against the product to complete clamping action on the product, and after the test is completed, the driving mechanism 130 drives the elastic crimping mechanism 170 to move upwards, so that the elastic crimping mechanism 170 is separated from the product to wait for next clamping.
The driving mechanism 130 includes an air cylinder 131 and an electromagnetic valve, the air cylinder 131 is disposed on the bearing frame 150, the electromagnetic valve is connected to the air cylinder 131, the air cylinder 131 has a piston rod 133, and the piston rod 133 is fixedly connected to the elastic crimping mechanism 170, so that the air cylinder 131 drives the elastic crimping mechanism 170 to reciprocate. Specifically, the top of the cylinder 131 is provided with an air inlet and an air outlet, the solenoid valve is connected with the air inlet and the air outlet through air pipes, and the movement of the piston rod 133 is controlled by filling or extracting air in the cylinder 131.
The embodiment adopts the cylinder 131 for driving, realizes the automation of the crimping process, improves the efficiency, ensures that the crimping force provided by the cylinder 131 is more stable, and can reduce the scratch of the product by the elastic crimping mechanism 170.
It should be noted that the driving mechanism 130 may also be driven by other driving members, such as a hydraulic cylinder or an electric push rod, and is not limited in this regard.
Referring to fig. 2, the elastic pressing mechanism 170 includes a fixed connection block 171, a pressing block 173, and an elastic buffer 175, the fixed connection block 171 is fixedly connected to the piston rod 133, one end of the elastic buffer 175 is connected to the bottom of the fixed connection block 171, and the pressing block 173 is connected to the other end of the elastic buffer 175 and is disposed opposite to the clamping position.
In this embodiment, there are a plurality of the pressure contact blocks 173 and the elastic buffer 175, specifically, there are 3 pressure contact blocks 173 and 3 elastic buffer blocks, 3 elastic buffer blocks 175 are sequentially disposed at the bottom of the fixed connection block 171, and the 3 pressure contact blocks 173 are respectively connected to the 3 elastic buffer blocks 175, but the number of the pressure contact blocks 173 and the elastic buffer blocks 175 is not limited to 3, and may be 4 or 5, and the like, and the number is not limited specifically here.
Through setting up a plurality of crimping pieces 173, can the crimping in the different positions of power amplifier tube, mutual independent motion between every elastic buffer 175 has avoided taking place to interfere between two adjacent elastic buffer 175, and the interval between adjacent crimping piece 173 can be adjusted according to the size of power amplifier tube, specifically, three crimping piece 173 crimping respectively in this embodiment is at two pins and the central part of power amplifier tube.
Each elastic buffer member 175 comprises a spring 1751 and a guide post 1753, one end of each guide post 1753 is fixedly connected with the crimping block 173, the other end of each guide post 1753 is movably connected with the fixed connection block 171, and the spring 1751 is wound on the guide posts 1753 and is respectively abutted against the fixed connection block 171 and the crimping block 173. Specifically, when the crimping operation is performed, the spring 1751 is in a compressed state, and a certain elastic force can be applied to the crimping block 173, ensuring a sufficient crimping force.
In this embodiment, for the specific size and shape of the power amplifier tube, the lengths of the three guide posts 1753 may be adjusted accordingly, specifically, for the power amplifier tube in which the pins on both sides and the central portion are not on the same plane, the length of the middle guide post 1753 is shorter than the lengths of the guide posts 1753 on both sides, which ensures that the spring 1751 abutting on the central portion is shorter than the spring 1751 abutting on the pins, and the elastic coefficients of the three springs 1751 are the same, when the three crimping blocks 173 abut on different positions of the power amplifier tube, the applied crimping force can be kept the same, and the local stress of the power amplifier tube is prevented from being too large.
The fixed connecting block 171 is provided with a connecting hole, and one end of the guide column 1753 away from the crimping block 173 penetrates through the connecting hole and can slide in the connecting hole. Specifically, the end of the guide post 1753 away from the crimping block 173 is also provided with an anti-disengagement cap, when the crimping block 173 disengages from the power tube, the guide post 1753 moves downwards under the action of the spring 1751, and the anti-disengagement cap abuts on the fixed connection block 171, so that the guide post 1753 is prevented from disengaging from the connection hole.
Referring to fig. 3, the pressing block 173 includes a pressing block portion 1731 and a pressing head portion 1733, the pressing block portion 1731 is connected to the elastic buffer member 175, and the pressing head portion 1733 is fixedly connected to the bottom of the pressing block portion 1731.
In the present embodiment, the pressing head 1733 is made of an antistatic insulating material. Can prevent that static from producing, can avoid simultaneously with pin or other position electrical connection of power amplifier tube, guarantee the accuracy of test result.
In other preferred embodiments of the present invention, the surface of the pressing head 1733 is coated with an anti-static insulating layer. The static electricity can be prevented from being generated, meanwhile, the electric connection with the pins or other parts of the power amplifier tube can be avoided, and the accuracy of the test result is guaranteed.
In this embodiment, the pressing head 1733 is rectangular and has a contact surface, and the bottom of the pressing head 1733 contacts the power amplifier tube, thereby implementing a pressure welding function on the power amplifier tube. Of course, the shape of the pressing head 1733 may be other shapes such as a cylindrical shape or an inverted trapezoidal shape, but any shape that can achieve the abutting function is within the scope of the present invention, and is not limited in particular.
In other preferred embodiments of the present invention, the pressing block 173 further comprises a reinforcing rib portion, and the reinforcing rib portion is fixedly connected to the pressing block portion 1731 and the pressing head portion 1733, respectively. Specifically, in the case that the pressing head portion 1733 is small in size and cannot bear a sufficiently large load, a reinforcing rib portion is provided at a connection portion of the pressing head portion 1731 and the pressing head portion 1733 to increase the structural strength of the pressing head portion 1733 and ensure the crimping effect.
Referring to fig. 4, the bearing frame 150 includes a support screw 151, a ball screw bearing 153 and a cantilever table 155, the support screw 151 is fixedly disposed on the test base 110, the ball screw bearing 153 is sleeved on the support screw 151, the cantilever table 155 is slidably sleeved on the support screw 151 and abuts against the top of the ball screw bearing 153, and the air cylinder 131 is disposed on the cantilever table 155. After the assembly is completed, the height of the cantilever table 155 can be adjusted by adjusting the height of the roller screw bearing, and then the distance between the pressing block 173 and the clamping position is adjusted, so that the pressing force is adjusted.
In the present embodiment, the support screw 151 is disposed vertically upward with respect to the test base 110, ensuring that the press-fit block 173 moves in the vertical direction during adjustment of the roller screw bearing. It should be noted that, here, the support screw 151 and the ball screw bearing 153 together form a ball screw assembly, and the structure thereof is identical to that of the existing roller screw assembly, and will not be described herein again.
In summary, according to the driving crimping test fixture 100 provided by this embodiment, a product to be tested is placed on the clamping position during an actual test, after the electromagnetic valve and the compressed gas are turned on, the electromagnetic valve controls the cylinder 131 to move downward through the compressed gas, when the piston rod 133 drives the fixed connection block 171 to crimp downward, the crimping block 173 abuts against the power amplifier tube, the spring 1751 is compressed to provide a crimping force to the crimping block 173, so that automatic crimping of the test is realized, and after the test is completed, the cylinder 131 is controlled to ascend through the electromagnetic valve, and the product to be tested is taken out. Therefore, the automatic crimping process is realized, the testing efficiency is improved, the crimping force is stable and adjustable, and the probability of damaging a product to be tested in the crimping process is reduced.
Second embodiment
The embodiment provides a performance testing system for a power amplifier tube, which includes a performance testing apparatus and a driving crimping testing fixture 100, wherein the basic structure and principle of the driving crimping testing fixture 100 and the generated technical effects are the same as those of the first embodiment, and for brief description, reference may be made to corresponding contents in the first embodiment for parts not mentioned in the embodiment.
The driving crimping test fixture 100 comprises a test base platform 110, a driving mechanism 130, a bearing rack 150 and an elastic crimping mechanism 170, wherein the bearing rack 150 is arranged on the test base platform 110, a clamping position is arranged on the test base platform 110, the driving mechanism 130 is connected on the bearing rack 150, the elastic crimping mechanism 170 is in transmission connection with the driving mechanism 130 and can reciprocate under the driving of the driving mechanism 130, and the elastic crimping mechanism 170 is arranged opposite to the clamping position. The performance testing device is connected to the testing base 110 for testing the performance of the functional tube.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a drive crimping test fixture, its characterized in that includes test base station, actuating mechanism, bears frame and elasticity crimping mechanism, it sets up to bear the frame the test base station is last, be provided with the clamping position on the test base station, actuating mechanism connects bear in the frame, elasticity crimping mechanism with actuating mechanism transmission is connected and can be in reciprocating motion is made under actuating mechanism's the drive, just elasticity crimping mechanism with the clamping position sets up relatively.
2. The driven crimping test fixture of claim 1, wherein the driving mechanism comprises an air cylinder and an electromagnetic valve, the air cylinder is disposed on the supporting frame, the electromagnetic valve is connected to the air cylinder, the air cylinder has a piston rod, and the piston rod is fixedly connected to the elastic crimping mechanism, so that the air cylinder can drive the elastic crimping mechanism to reciprocate.
3. The driven crimping test fixture of claim 2, wherein the elastic crimping mechanism comprises a fixed connection block, a crimping block and an elastic buffer member, the fixed connection block is fixedly connected with the piston rod, one end of the elastic buffer member is connected to the bottom of the fixed connection block, and the crimping block is connected with the other end of the elastic buffer member and is arranged opposite to the clamping position.
4. The driven crimping test fixture of claim 3, wherein the elastic buffer comprises a spring and a guide post, one end of the guide post is fixedly connected with the crimping block, the other end of the guide post is movably connected with the fixed connection block, and the spring is wound on the guide post and is abutted against the fixed connection block and the crimping block respectively.
5. The driven crimping test fixture of claim 4, wherein the fixed connection block is provided with a connection hole, and one end of the guide post, which is far away from the crimping block, penetrates through the connection hole and can slide in the connection hole.
6. The driven crimping test fixture of claim 3, wherein the crimping block includes a press block portion and a press head portion, the press block portion being connected with the elastic buffer, the press head portion being fixedly connected to a bottom of the press block portion.
7. The driven crimping test fixture of claim 6, wherein the crimp head is made of an antistatic insulating material or coated with an antistatic insulating layer on a surface thereof.
8. The driven crimp test fixture of claim 6, wherein the crimp block further comprises a stiffener portion fixedly connected to the press block portion and the press head portion, respectively.
9. The driven crimping test fixture of claim 1, wherein the bearing frame comprises a support screw, a ball screw bearing and a cantilever platform, the support screw is fixedly disposed on the test base, the ball screw bearing is sleeved on the support screw, the cantilever platform is slidably sleeved on the support screw and abuts against a top of the ball screw bearing, and the driving mechanism is disposed on the cantilever platform.
10. A power amplifier tube performance testing system comprising a driven crimp testing fixture according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811138843.2A CN110967529A (en) | 2018-09-28 | 2018-09-28 | Drive crimping test fixture and power amplifier tube performance test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811138843.2A CN110967529A (en) | 2018-09-28 | 2018-09-28 | Drive crimping test fixture and power amplifier tube performance test system |
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| CN110967529A true CN110967529A (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811138843.2A Pending CN110967529A (en) | 2018-09-28 | 2018-09-28 | Drive crimping test fixture and power amplifier tube performance test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112415308A (en) * | 2020-11-03 | 2021-02-26 | 蒋玮 | Electric iron clamp structure and electric iron testing device |
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| CN107717721A (en) * | 2017-09-29 | 2018-02-23 | 苏州能讯高能半导体有限公司 | A kind of automatic grinding sample clamp and autogenous mill |
| KR20180061224A (en) * | 2015-10-23 | 2018-06-07 | 테라다인 인코퍼레이티드 | Manipulators in automated test equipment |
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|---|---|---|---|---|
| CN202453378U (en) * | 2011-12-09 | 2012-09-26 | 深圳市辉腾创新科技有限公司 | Testing fixture |
| KR20180061224A (en) * | 2015-10-23 | 2018-06-07 | 테라다인 인코퍼레이티드 | Manipulators in automated test equipment |
| CN107649858A (en) * | 2016-07-25 | 2018-02-02 | 江苏大全凯帆开关有限公司 | Breaker rotating axis assembling jig |
| CN106206102A (en) * | 2016-08-19 | 2016-12-07 | 徐洪恩 | One electrically uses lv contactor |
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| CN112415308A (en) * | 2020-11-03 | 2021-02-26 | 蒋玮 | Electric iron clamp structure and electric iron testing device |
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