WO2021088332A1 - 一种夹具机构及具有该机构的测试设备 - Google Patents
一种夹具机构及具有该机构的测试设备 Download PDFInfo
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- WO2021088332A1 WO2021088332A1 PCT/CN2020/086901 CN2020086901W WO2021088332A1 WO 2021088332 A1 WO2021088332 A1 WO 2021088332A1 CN 2020086901 W CN2020086901 W CN 2020086901W WO 2021088332 A1 WO2021088332 A1 WO 2021088332A1
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- Prior art keywords
- clamp
- clamping
- guide
- fixed
- assembly
- Prior art date
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- 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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
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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
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- 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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
- G01R31/2808—Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards
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- 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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
- G01R31/2834—Automated test systems [ATE]; using microprocessors or computers
Definitions
- the present invention relates to the technical field of clamp devices, in particular to a clamp mechanism and a testing device with the mechanism.
- the existing PCB board clamping device when inspecting the PCB board, clamps the inspected PCB board, and then performs inspection work to ensure that the inspected PCB board is in a stable clamping state when inspecting the PCB board.
- the traditional clamps currently used can only detect a specific type of PCB board after the installation is completed.
- the clamp needs to be
- the continuous manual adjustment is suitable for PCB boards of different sizes, and the adjustment process is complicated and takes a long time. Therefore, those skilled in the art urgently need to solve this problem.
- the technical problem to be solved by the present invention is to overcome the need in the prior art to manually adjust the clamp to be suitable for PCB boards of different sizes, the adjustment process is complicated, and the time-consuming defect is long, thereby providing a clamp mechanism ,include:
- a frame, a clamping area located in a vertical plane is provided on the frame, and the material is fixed in the clamping area;
- At least a pair of linkage clamps are arranged in the clamping area, the linkage clamps are arranged on the frame, the linkage clamps include a fixed clamp, a movable clamp, and a driving component, and the driving component drives the movable clamp Move closer to or away from the fixed clamp, and a clamping groove for allowing the material to pass is formed between the movable clamp and the fixed clamp.
- the drive assembly includes a drive unit and a drive plate connected to the drive unit, and the drive unit drives the drive plate to move in a direction parallel to the clamping groove;
- the linkage clamp also includes a reversing component, and the movable clamp is connected to the transmission plate through the reversing component.
- the reversing component is a pin-slot connection component provided between the transmission plate and the movable clamp
- the pin-slot connection component includes a connecting pin and a connecting groove
- the connecting pin is fixed to the movable clamp.
- the connecting groove is opened on the driving plate, and the connecting pin slides in the connecting groove; the connecting groove and the moving direction of the driving plate are arranged at an angle.
- the guide assembly includes a plurality of first guide shafts and first guide grooves.
- the first guide shafts are slidably connected to the first guide grooves, and the first guide shafts are arranged on the On the fixing fixture, the first guide groove is opened on the transmission plate.
- the guide assembly further includes a plurality of second guide shafts and second guide grooves, the second guide shafts are slidably connected to the second guide grooves, the second guide shafts are arranged on the fixing fixture, and the The second guide groove is opened on the movable clamp.
- the clamp mechanism includes a pair of linkage clamps and a pair of clamping jaws, and the linkage clamp and the clamping jaws clamp and fix the material in different directions.
- At least one of the linkage clamps is a mobile clamp
- the mobile clamp includes a clamp moving device
- the clamp moving device includes a drive motor, an ear plate provided on at least one end of the fixed clamp, and a transmission belt assembly.
- the plate is fixedly connected with the transmission belt of the transmission belt assembly, and the motor is connected with the pulley of the transmission belt assembly.
- At least one of the clamping jaws is a mobile clamping jaw
- the mobile clamping jaw includes a clamping jaw moving device
- the clamping jaw moving device includes a moving assembly and a rail mechanism
- the moving assembly includes a pair of clamping handles and a mounting Seat
- the gripping handle is fixed on the mounting seat, wherein the gripping end of the gripping handle is located in the gripping area for gripping the material
- the mounting seat is fixed to the guide rail Institutionally.
- a conveying unit which is arranged in the clamping groove and used to transport the material to the clamping area.
- the conveying unit includes a belt wheel, a conveying belt, and a conveying drive member, the conveying drive member drives the belt wheel to rotate forward and backward, the belt wheel is fixed on the fixing fixture, and the conveying belt is parallel to all sides.
- the direction of the clamping groove is set.
- a test equipment including:
- At least one test device At least one test device
- the clamp mechanism is the clamp mechanism as described above, and the test device detects the material located in the clamping area.
- test device is a flying probe test mechanism or a connection/disconnection test mechanism; the material to be tested is a circuit board.
- a clamp mechanism comprising a frame, a clamping area located in a vertical plane is provided on the frame, and materials are fixed in the clamping area; at least a pair of linkage clamps are located in the Is arranged in a clamping area, the linkage clamp is arranged on the frame, the linkage clamp includes a fixed clamp, a movable clamp, and a driving component, and the driving component drives the movable clamp to move closer to or away from the fixed clamp; A clamping groove allowing the material to pass is formed between the movable clamp and the fixed clamp.
- the linkage clamps include a fixed clamp, a movable clamp and a driving component.
- a clamping slot is formed between the fixed clamp and the movable clamp to allow the material to pass through. , The material moves in the clamping groove.
- the drive assembly drives the movable clamp to move closer to and away from the fixed clamp to achieve the effect of adjusting the width of the clamping groove.
- the width of the adjusted clamping groove varies according to The thickness and length of the PCB board are adjusted and adapted, and the adjustment method is simple and convenient, which improves the efficiency of PCB board installation and adjustment.
- the driving assembly includes a driving unit and a transmission plate connected thereto, and the driving unit drives the transmission plate to move in a direction parallel to the clamping groove;
- the linkage clamp It also includes a reversing component, and the movable clamp is connected with the transmission plate through the reversing component.
- the reversing component is a pin-slot connection component provided between the drive plate and the movable clamp
- the pin-slot connection component includes a connecting pin and a connecting groove
- the connecting pin is fixed on the top of the movable clamp, the connecting groove is opened on the transmission plate, and the connecting pin slides in the connecting groove; the moving direction of the connecting groove and the transmission plate Set at an angle.
- Set the reversing component as the connecting pin and the connecting groove, and the movable clamp is driven to move relative to the fixed clamp by the sliding movement of the connecting pin inside the connecting groove.
- the connecting structure is simple and reasonable, and the moving distance of the connecting pin inside the connecting groove is adjusted to Controlling the clamping thickness and clamping force between the movable clamp and the fixed clamp, the clamp mechanism has strong practicability.
- the clamp mechanism provided by the present invention further includes a guide assembly, the guide assembly includes a plurality of first guide shafts and first guide grooves, the first guide shafts are slidably connected with the first guide grooves, so The first guide shaft is arranged on the fixing fixture, and the first guide groove is opened on the transmission plate.
- the movable clamp plays a fixed role in the process of approaching the fixed clamp, so that the movable clamp can approach the fixed clamp stably, Ensure the stability of the clamping action.
- the guide assembly further includes a plurality of second guide shafts and second guide grooves, the second guide shafts are slidably connected to the second guide grooves, and the second guide The shaft is arranged on the fixed clamp, and the second guide groove is opened on the movable clamp.
- At least one of the linkage clamps is a mobile clamp
- the mobile clamp includes a clamp moving device
- the clamp moving device includes a drive motor, and is provided on at least one end of the fixed clamp.
- the ear plate and the transmission belt assembly are fixedly connected with the transmission belt of the transmission belt assembly, and the motor is connected with the pulley of the transmission belt assembly.
- the degree of wear, or after the detection is completed, the position of the linkage fixture can be adjusted by the fixture moving device, so that the fixture moves upwards after loosening the material, and the material is transported out of the clamping area, achieving the effect of the adjustability of the overall device. Reduce the failure rate of the organization.
- the clamp mechanism provided by the present invention further includes a conveying unit, the conveying unit is arranged in the clamping groove, and is used for transporting materials to the clamping area.
- the material is conveyed to the clamping area through the conveying unit, avoiding the manual delivery of the material to the clamping area, and improving the automation degree of the mechanism.
- the conveying unit includes a belt wheel, a conveyor belt, and a conveying drive member, the conveying drive member drives the belt wheel to rotate forward and backward, and the belt wheel is fixed to the fixed fixture
- the conveyor belt is arranged in a direction parallel to the clamping groove.
- the belt wheel is driven by the conveying drive to move forward and backward to convey the material.
- the present invention provides a testing device, comprising: at least one testing device; and a fixture mechanism, the fixture mechanism is the fixture mechanism as described above, and the testing device detects materials located in the clamping area . Because the test equipment adopts the above-mentioned clamping, any one of the advantages mentioned in the above-mentioned clamping is realized by using the same test equipment to test a variety of materials of different material numbers, which improves the test efficiency of the test equipment and reduces Labor cost.
- Figure 1 is a front view of a clamp mechanism provided in an embodiment of the present invention
- Figure 2 is a rear view of the clamp mechanism provided in the embodiment of the present invention.
- Figure 3 is a schematic diagram of the overall structure of the linkage clamp shown in Figure 1;
- FIG. 4 is a schematic diagram of a test equipment including the clamp mechanism in an embodiment of the present invention.
- FIG. 5 is a schematic diagram of the connection structure of the clamp moving device and the fixed clamp in the embodiment of the present invention.
- FIG. 6 is a schematic diagram of the structure of the clamping handle and the installation position in the embodiment of the present invention.
- FIG. 7 is a schematic diagram of the position structure of the conveying unit and the transmission plate provided in the embodiment of the present invention.
- FIG. 8 is a schematic diagram of the position structure of the fixed clamp, the movable clamp and the clamping groove in the embodiment of the present invention.
- Fig. 9 is a schematic structural diagram of a reversing assembly in an embodiment of the present invention.
- 6-drive assembly 61-drive unit; 62-drive plate;
- 11-Clamping jaw moving device 111-Clamping handle; 112-Mounting seat;
- the embodiment of the present invention records a test equipment, as shown in FIG. 3, including at least one test device (not shown in the figure) and a clamp mechanism, wherein the clamp mechanism includes a clamping area 2, and the test device is positioned to clamp
- the materials in zone 2 are tested, and at least one test device is set up to use the same test equipment to test materials with different material numbers, which improves the test efficiency of the test equipment and reduces labor costs.
- the testing device may be a flying probe testing mechanism, a continuity testing mechanism, an inductance testing mechanism, an impedance testing mechanism, a hole surface copper testing mechanism, or other testing mechanisms; the material to be tested is a circuit board.
- the clamp mechanism includes a frame 1 and at least a pair of linkage clamps.
- the frame 1 is provided with a clamping area in a vertical plane. 2.
- the linkage fixture is set in the clamping area 2, and the material to be tested is fixed in the clamping area 2 through the linkage fixture.
- the linkage fixture is set on the frame 1, which includes the fixed fixture 4, the movable fixture 5 and the drive assembly 6. Drive the movable clamp 5 to move closer to or away from the fixed clamp 4 through the drive assembly 6.
- a clamping groove 3 is formed between the movable clamp 5 and the fixed clamp 4 to allow materials to pass through, and the material enters the clamping groove 3, and the movable clamp 5
- the material is clamped and fixed during the process of moving closer to and away from the fixed fixture 4, and the effect of material clamping and loosening is realized.
- the material is tested by the testing device.
- the drive assembly 6 drives the movable fixture 5 Keep away from the fixed clamp 4 to achieve the effect of loosening the material.
- the thickness of the clamping slot 3 can be adjusted in real time according to the material type to be suitable for PCB boards of different sizes.
- the drive assembly 6 includes a drive unit 61 and a drive plate 62 connected to the drive unit 61.
- the power output shaft of the drive unit 61 is connected to one end of the drive plate 62 to drive the drive plate 62 to move.
- the moving direction of the drive plate 62 is parallel to the direction of the clamping groove 3, and the drive unit 61 can be a drive motor or a drive cylinder.
- the drive unit 61 as a drive cylinder as an example, one end of the drive plate 62 is fixed to the power of the drive cylinder. On the output shaft.
- the clamp mechanism in this embodiment also includes a reversing assembly 7.
- the movable clamp 5 is connected to the transmission plate 62 through the reversing assembly 7.
- the reversing assembly 7 is set on the transmission plate 62 and the movable clamp.
- the pin and groove connection assembly includes a connecting pin 71 and a connecting groove 72
- the connecting pin 71 is fixed on the top of the movable clamp 5
- the connecting groove 72 is opened on the transmission plate 62, during the arrangement process, the connection
- the arrangement angle of the groove 72 on the transmission plate 62 and the moving direction of the transmission plate 62 are set at an included angle, which is arranged at an included angle so that during the movement of the transmission plate 62, the transmission plate 62 can move in parallel with respect to the fixed clamp 4, thereby connecting the pin
- 71 slides in the connecting groove 72 it drives the movable clamp 5 to move closer and away from the fixed clamp 4 quickly, so that the material can be fixed in the clamping groove 3.
- the clamp mechanism in this embodiment also includes a guide assembly 8, which includes a plurality of first guide shafts 81 and first guide grooves 82, the first guide shaft 81 is fixed to the fixing clamp 4, the first guide groove 82 is opened in the drive plate On 62, the first guide shaft 81 and the first guide groove 82 are arranged in one-to-one correspondence.
- the first guide shaft 81 is driven to be slidably connected to the first guide groove 82.
- a guide groove 82 can be a circular hole groove
- the first guide shaft 81 is a cylindrical shaft that fits and inserts into the circular hole groove, and plays a fixed role when the movable clamp 5 approaches the fixed clamp 4.
- the reciprocating movement inside the circular hole slot enables the movable clamp 5 to approach the fixed clamp 4 stably, ensuring the stability of the clamping action.
- the guide assembly 8 further includes a plurality of second guide shafts 83 and second guide grooves 84.
- the second guide shafts 83 are arranged on the fixing fixture 4, and the second guide shafts 83
- the guide groove 84 is opened on the movable clamp 5, and the second guide shaft 83 and the second guide groove 84 are arranged in one-to-one correspondence.
- the second guide shaft The shaft 83 is slidably connected to the second guide groove 84.
- the second guide groove 84 can be set as a waist hole, the waist hole setting direction is parallel to the length direction of the transmission plate 62, and the second guide shaft 83 is adapted to the waist hole.
- the cylindrical shaft reciprocates in the waist hole, which improves the overall structural stability.
- a third guide shaft, a fourth guide shaft, and a fifth guide shaft can also be provided.
- Guide shafts such as guide shafts and corresponding guide grooves, and the direction in which the guide grooves are arranged on the drive plate 62 can be set according to the area of the drive plate 62 in actual applications and the clamping stability that needs to be improved.
- the clamping mechanism includes a pair of linkage clamps and a pair of clamping jaws, which clamp and fix the material in different directions.
- a pair The linkage clamp can fix the vertical direction of the material, and a pair of clamping jaws can fix the horizontal direction of the material.
- a pair of linkage clamps can also fix the horizontal direction of the material, and a pair of clamping jaws can fix the vertical direction of the material, or one of them can be linked.
- a clamp and a clamping jaw respectively fix the horizontal direction of the material, and the other linkage clamp and a clamping jaw fix the horizontal direction of the material.
- the fixing direction can be arranged according to actual use.
- At least one linkage fixture is a mobile fixture, wherein the mobile fixture includes a fixture moving device 9, the fixture moving device 9 includes a drive motor, an ear plate 91 and a transmission belt assembly, wherein the fixed fixture 4 is at least The ear plate 91 is provided at one end, and the pulley 93 of the transmission belt assembly is connected to the power output end of the driving motor.
- the ear plate 91 is fixed on the transmission belt 92 of the transmission belt assembly.
- the transmission belt 92 reciprocates, and the ear plate 91 moves under the movement of the transmission belt 92 to drive the whole of the linkage fixture to move closer and away from the material.
- At least one clamping jaw is a moving jaw, wherein the moving jaw includes a jaw moving device 11, which includes a moving assembly and a guide rail mechanism.
- the moving assembly includes A pair of clamping handles 111 and a mounting base 112 are used to fix the clamping handle 111 on the mounting base 112.
- the clamping end of the clamping handle 111 is located in the clamping zone 2 for clamping the circuit board (I.e. material)
- the mounting base 112 is fixed on the guide rail mechanism.
- the guide rail mechanism includes a relative sliding guide rail and a sliding block. The guide rail is fixed on the frame 1, and the mounting base 112 is fixed on the sliding block.
- the clamping position of the previous clamping jaw is not suitable for the circuit board. Therefore, by adjusting the position of the slider on the guide rail to adjust the position of the mounting seat 112 on the guide rail, the clamping handle 111 is adjusted to clamp the circuit. The effect of the clamping position of the board.
- the above-mentioned mounting base 112 can also be fixed on the transmission belt assembly (not shown in the figure) to fix the transmission belt assembly on the frame, wherein the rotating belt assembly includes a pulley (not shown in the figure) and a transmission (not shown in the figure). As shown in the figure) belt, the mounting base 112 is fixed to the main body of the transmission belt. During the reciprocating movement of the transmission belt of the transmission belt assembly by the positive and negative movement of the pulley of the transmission belt assembly, the mounting base carries the clamping handle 111 to move, The effect of adjusting the clamping position of the clamping handle 111 to clamp the circuit board.
- the clamp mechanism further includes a conveying unit 12 arranged in the clamping groove 3 for transporting the material to the clamping area 2.
- the conveying unit 12 includes a pulley (not shown in the figure), a conveyor belt (not shown in the figure) and a conveying drive (not shown in the figure).
- the conveying drive can be a conveying drive motor, and its power output shaft is connected to
- the belt wheel is connected to drive the belt wheel to rotate positively and negatively, and the belt wheel is fixed on the fixed fixture.
- the conveyor belt is arranged in a direction parallel to the clamping groove.
- the conveying unit in this embodiment can also adopt other transmission modes such as air cylinder, rack and pinion, or lead screw, which can move the material to the clamping area.
- the fixed clamp 4 and the movable clamp 5 may be plate-shaped clamps, and the inner side of the clamping groove 3 formed by the two is provided with a rubber pad to avoid the clamping test of the circuit board. , The circuit board is worn and the circuit board is worn out in the process of outputting the clamping area 2.
- the circuit board After the circuit board enters one end of the clamping groove, it contacts the conveying unit and is conveyed to the clamping area by the conveying unit.
- the movable clamp of the lower linkage clamp in the clamping area approaches the circuit board under the drive of the reversing assembly. Clamp and fix the circuit board, and at the same time, the linkage clamp on the upper side is adjusted to the circuit board under the drive of the clamp moving device.
- the connecting pin slides relative to the connecting groove, so that the movable clamp approaches the fixed clamp to clamp and fix the upper side of the circuit board, thereby completing the upper and lower sides of the circuit board in the horizontal direction.
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- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
Description
Claims (12)
- 一种夹具机构,其特征在于,包括:机架,所述机架上设置位于竖直平面内的夹持区,物料固定于所述夹持区内;至少一对联动夹具,位于所述夹持区内设置,所述联动夹具设于所述机架上,所述联动夹具包括固定夹具、活动夹具和驱动组件,所述驱动组件驱动所述活动夹具靠近或远离所述固定夹具运动,所述活动夹具和所述固定夹具之间形成有允许所述物料经过的夹持槽。
- 根据权利要求1所述的一种夹具机构,其特征在于,所述驱动组件包括驱动单元和与其连接的传动板,所述驱动单元驱动所述传动板沿平行于所述夹持槽方向移动;所述联动夹具还包括换向组件,所述活动夹具通过所述换向组件与所述传动板连接。
- 根据权利要求2所述的一种夹具机构,其特征在于,所述换向组件为设于所述传动板和所述活动夹具之间的销槽连接组件,所述销槽连接组件包括连接销和连接槽,所述连接销固定于所述活动夹具的顶部,所述连接槽开设于所述传动板上,所述连接销在所述连接槽中滑动运动;所述连接槽与所述传动板的移动方向呈夹角设置。
- 根据权利要求3所述的一种夹具机构,其特征在于,还包括导向组件,所述导向组件包括若干第一导向轴以及第一导槽,所述第一导向轴与所述第一导槽滑动连接,所述第一导向轴设置于所述固定夹具上,所述第一导槽开设于所述传动板上。
- 根据权利要求3或4所述的一种夹具机构,其特征在于,所述导向组件 还包括若干第二导向轴以及第二导槽,所述第二导向轴与所述第二导槽滑动连接,所述第二导向轴设置于固定夹具上,所述第二导槽开设于所述活动夹具上。
- 根据权利要求5所述的一种夹具机构,其特征在于,所述夹具机构包括一对联动夹具以及一对夹爪,所述联动夹具与所述夹爪沿不同的方向夹持固定所述物料。
- 根据权利要求6所述的一种夹具机构,其特征在于,至少一个所述联动夹具为移动夹具,所述移动夹具包括夹具移动装置,所述夹具移动装置包括驱动电机、设于所述固定夹具至少一端部的耳板以及传动带组件,所述耳板与所述传动带组件的传动带固定连接,所述电机与所述传动带组件的带轮连接。
- 根据权利要求7所述的一种夹具机构,其特征在于,至少一个所述夹爪为移动夹爪,所述移动夹爪包括夹爪移动装置,所述夹爪移动装置包括移动组件和导轨机构,所述移动组件包括一对夹持手柄和安装座,所述夹持手柄固定于所述安装座上,其中所述夹持手柄的夹持端位于所述夹持区内,用于夹持所述物料,所述安装座固定于所述导轨机构上。
- 根据权利要求1-8任一项所述的一种夹具机构,其特征在于,还包括输送单元,所述输送单元设于所述夹持槽内,用于将物料运输移动至夹持区。
- 根据权利要求9所述的一种夹具机构,其特征在于,所述输送单元包括带轮、传送带和输送驱动件,所述输送驱动件驱动所述带轮正反转动,所述带轮固定于所述固定夹具上,所述传送带沿平行于所述夹持槽的方向设置。
- 一种测试设备,其特征在于,包括:至少一个测试装置;以及夹具机构,所述夹具机构为如权利要求1-10任一项所述的夹具机构,所述测试装置对位于所述夹持区内的物料进行检测。
- 根据权利要求11所述的一种测试设备,其特征在于,所述测试装置为飞针测试机构或通断路测试机构;所述物料为电路板。
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CN201911077694.8A CN110850271B (zh) | 2019-11-06 | 2019-11-06 | 一种夹具机构及具有该机构的测试设备 |
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Citations (8)
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CN103616534A (zh) * | 2013-11-27 | 2014-03-05 | 深圳市大族激光科技股份有限公司 | 立式飞针测试机夹具及其设计方法 |
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