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 PDF

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Publication number
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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WIPO (PCT)
Prior art keywords
clamp
clamping
guide
fixed
assembly
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PCT/CN2020/086901
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English (en)
French (fr)
Inventor
宋卫华
展超
成斌
蓝翔
叶涛
李润辉
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南京协辰电子科技有限公司
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Publication of WO2021088332A1 publication Critical patent/WO2021088332A1/zh

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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]
    • 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
    • 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
    • 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

一种夹具机构及具有该机构的测试设备，其中，夹具机构包括：机架（１），机架（１）上设置位于竖直平面内的夹持区（２），物料固定于夹持区（２）内；至少一对联动夹具，位于夹持区（２）内设置，联动夹具设于机架（１）上，联动夹具包括固定夹具（４）、活动夹具（5）和驱动组件（6），驱动组件（6）驱动活动夹具（5）靠近或远离固定夹具（4）运动，活动夹具（5）和固定夹具（4）之间形成有允许物料经过的夹持槽（3）。可调整夹持槽（3）的宽度根据不同PCB板的厚度及长度进行调整与适配，调整方式简单、便利，提高了PCB板安装与调整效率。

Description

一种夹具机构及具有该机构的测试设备 技术领域
本发明涉及夹具装置技术领域，具体涉及一种夹具机构及具有该机构的测试设备。
背景技术
现有的PCB板夹持装置，在对PCB板检测时，将被检测的PCB板进行夹持后，再进行检测工作，保证在对被检测的PCB板进行检测时使其处于稳定夹持状态，目前使用的传统的夹具在完成安装后，仅能够对某一特定型号的PCB板进行检测，当需要更换不同型号的检测PCB板进行夹持固定时，由于板体尺寸不同，需要将夹具进行不断的人工调整以适用于不同尺寸的PCB板，调整工序复杂，耗时较长，因此亟待本领域技术人员解决此问题。
发明内容
因此，本发明要解决的技术问题在于克服现有技术中的需要将夹具进行不断的人工调整以适用于不同尺寸的PCB板，调整工序复杂，耗时较长的缺陷，从而提供一种夹具机构，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者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。
进一步地，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。
进一步地，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。
进一步地，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。
进一步地，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。
进一步地，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。
进一步地，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。
进一步地，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。
进一步地，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。
进一步地，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，包括：
至少一个测试装置；
以及夹具机构，所述夹具机构为如上所述的夹具机构，所述测试装置对位于所述夹持区内的物料进行检测。
进一步地，所述测试装置为飞针测试机构或通断路测试机构；所述待测物料为电路板。
本发明技术方案，具有如下优点：
1.本发明提供的一种夹具机构，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者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。通过在夹持区内设置一对联动夹具，利用联动夹具固定被检测的物料，其中联动夹具包括固定夹具、活动夹具以及驱动组件，固定夹具和活动夹具之间形成有允许物料经过的夹持槽，物料在夹持槽内运动，当需要进行更换不同型号的物料时，驱动组件驱动活动夹具向固定夹具靠近与远离，达到调整夹持槽宽度的效果，其中调整的夹持槽的宽度根据不同PCB板的厚度及长度进行调整与适 配，调整方式简单、便利，提高了PCB板安装与调整效率。
2.本发明提供的一种夹具机构中，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。通过将活动夹具通过换向组件与传动板连接，在驱动单元的驱动下，传动板带动活动夹具向固定夹具靠近与远离，同时传动板的运动方向与夹持槽的运动方向平行，进一步提高了在对物料的检测过程中实现对物料的稳定夹持的效果。
3.本发明提供的一种夹具机构中，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。将换向组件设为连接销和连接槽，通过连接销在连接槽内部滑动运动的方式，带动活动夹具相对固定夹具运动，连接结构简单、合理，且通过调整连接销在连接槽内部运动距离以控制活动夹具与固定夹具之间的夹持厚度与夹持力，夹具机构具备较强的实用性。
4.本发明提供的一种夹具机构中，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。通过将第一导向轴和第一导槽分别对应的设置在固定夹具和传动板上，在活动夹具向固定夹具靠近的过程中起到固定的作用，使得活动夹具能够稳定的向固定夹具靠近，保证了夹持动作的稳定性。
5.本发明提供的一种夹具机构中，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。通过设置第二导向轴和 第二导槽，提高了活动夹具相对固定夹具靠近的过程中的稳定性。
6.本发明提供的一种夹具机构中，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。通过将联动夹具设置为移动式夹具，可以在对物料的测试结束之后，将物料松开，直接将物料从夹持区中取出至下一工位，实现了操作便利的效果，降低了物料的磨损程度，或者也可以在检测完成后，通过夹具移动装置调整联动夹具的位置，使得夹具在松开物料后向上运动，物料再输送出夹持区，实现了整体装置的可调性的效果，降低了机构的故障率。
7.本发明提供的一种夹具机构中，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。通过输送单元将物料输送至夹持区，避免使用人工将物料送至夹持区内，提高了机构的自动化程度。
8.本发明提供的一种夹具机构中，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。通过输送驱动件驱动带轮正反运动以将物料进行输送，结构设计合理，也能够避免物料在传送带一端进入，从另一端输出，节省了机构的占用空间。
9.本发明提供了一种测试设备，包括：至少一个测试装置；以及夹具机构，所述夹具机构为如上所述的夹具机构，所述测试装置对位于所述夹持区内的物料进行检测。由于该测试设备采用了上述夹持，因此具体上述夹持所述的任一项优点，实现了利用同一个测试设备可以对多种不同料号的物料进行测试，提升测试设备的测试效率，降低人工成本。
附图说明
为了更清楚地说明本发明具体实施方式或现有技术中的技术方案，下面将对具体实施方式或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明的实施方式中提供的夹具机构的主视图；
图2本发明的实施方式中提供的夹具机构的后视图；
图3为图1所示的联动夹具整体结构示意图；
图4为本发明的实施方式中包含本夹具机构的测试设备示意图；
图5为本发明的实施方式中夹具移动装置与固定夹具的连接结构示意图；
图6为本发明的实施方式中夹持手柄与安装的位置结构示意图；
图7为本发明的实施方式中提供的输送单元与传动板的位置结构示意图；
图8为本发明的实施方式中固定夹具与活动夹具以及夹持槽的位置结构示意图；
图9为本发明的实施方式中换向组件的结构示意图；
附图标记说明：
1-机架；2-夹持区；3-夹持槽；
4-固定夹具；5-活动夹具；
6-驱动组件；61-驱动单元；62-传动板；
7-换向组件；71-连接销；72-连接槽；
8-导向组件；81-第一导向轴；82-第一导槽；83-第二导向轴；84-第二导槽；
9-夹具移动装置；91-耳板；92-传动带；93-带轮；
11-夹爪移动装置；111-夹持手柄；112-安装座；
12-输送单元。
具体实施方式
下面将结合附图对本发明的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
在本发明的描述中，需要说明的是，术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。
实施例
本发明的实施例记载了一种测试设备，如图3所示，包括至少一个测试装置(未在图中示出)和夹具机构，其中夹具机构包括夹持区2，测试装置对位于夹持区2内的物料进行检测，设置至少一个测试装置能够利用同一个测试设 备可以对多种不同料号的物料进行测试，提升测试设备的测试效率，降低人工成本。
本实施例中，测试装置可以为飞针测试机构、通断路测试机构、电感测试机构、阻抗测试机构、孔面铜测试机构或其他测试机构；所述待测物料为电路板。
如图1至图8所示，现对本实施例中提供的夹具机构进行说明，夹具机构包括机架1和至少一对联动夹具，在机架1上设有位于竖直平面内的夹持区2，联动夹具位于夹持区2内设置，通过联动夹具将需要测试的物料固定于夹持区2内，其中联动夹具设于机架1上，其包括固定夹具4、活动夹具5和驱动组件6，通过驱动组件6驱动活动夹具5靠近或者远离固定夹具4运动，在活动夹具5和固定夹具4之间形成有允许物料经过的夹持槽3，物料进入夹持槽3内，活动夹具5向固定夹具4靠近与远离的过程中实现了物料夹持固定与松开的效果，在夹持固定时，通过测试装置对物料进行测试工序，当测试结束结束后，驱动组件6驱动活动夹具5远离固定夹具4，以实现松开物料的效果，在夹持的过程中可以根据物料的型号进行实时的调整夹持槽3的厚度，以适用于不同尺寸的PCB板。
具体的，驱动组件6包括驱动单元61和与驱动单元61连接的传动板62，驱动单元61的动力输出轴与传动板62的一端连接，以驱动传动板62运动，在传动板62运动的过程中，传动板62的移动方向与夹持槽3的方向平行，驱动单元61可以为驱动电机或驱动气缸，以驱动单元61为驱动气缸为例，将传动板62的一端固定在驱动气缸的动力输出轴上。
如图3所示，本实施例中的夹具机构还包括换向组件7，活动夹具5通过换向组件7与传动板62连接，具体的，换向组件7为设在传动板62和活动夹具5之间的销槽连接组件，销槽连接组件包括连接销71和连接槽72，将连接 销71固定于活动夹具5的顶部，连接槽72开设于传动板62上，在布置过程中，连接槽72在传动板62上的设置角度与传动板62的移动方向呈夹角设置，呈夹角设置使得在传动板62运动的过程中，传动板62能够相对固定夹具4平行运动，进而连接销71在所述连接槽72中滑动运动时，以带动活动夹具5向固定夹具4之间迅速的靠近与远离，使得物料能够固定在夹持槽3内。
本实施例中的夹具机构还包括导向组件8，其包括若干第一导向轴81以及第一导槽82，将第一导向轴81固定与固定夹具4上，第一导槽82开设于传动板62上，第一导向轴81与第一导槽82一一对应设置，在传动板62由驱动气缸驱动的过程中，带动第一导向轴81相对第一导槽82滑动连接，具体的，第一导槽82可以为圆孔槽，第一导向轴81为与该圆孔槽适配插入的圆柱轴，在活动夹具5向固定夹具4靠近的过程中起到固定的作用，该圆柱轴在该圆孔槽内部往复运动，使得活动夹具5能够稳定的向固定夹具4靠近，保证了夹持动作的稳定性。
如图9所示，作为上述导向组件8的一种变形实施方式，导向组件8还包括若干第二导向轴83以及第二导槽84，第二导向轴83设置于固定夹具4上，第二导槽84开设于所述活动夹具5上，将第二导向轴83与第二导槽84一一对应设置，在第一导向轴81相对第一导槽82滑动连接的过程中，第二导向轴83与第二导槽84滑动连接，具体的，第二导槽84可以设置为腰孔，腰孔设置方向与传动板62的长度方向平行设置，第二导向轴83为与该腰孔适配的圆柱轴，传动板62运动的过程中，该圆柱轴在该腰孔内往复运动，提高了整体的结构稳定性，当然，也可以再设置第三导向轴、第四导向轴、第五导向轴等导向轴以及与其对应的导向槽，导向槽在传动板62上设置的方向可以根据实际应用中传动板62的面积以及需要提高的夹持稳定性来进行设置。
在对电路板进行夹持的过程中，根据电路板的夹持特性，夹具机构包括一对联动夹具和一对夹爪，二者沿不同的方向夹持固定所述物料，具体的，一对 联动夹具可以固定物料的竖直方向，一对夹爪固定物料的水平方向，当然，一对联动夹具也可以固定物料的水平方向，一对夹爪可以固定物料的竖直方向，或者其中一个联动夹具和一个夹爪分别固定物料的水平方向，另一个联动夹具和一个夹爪固定物料的水平方向，固定方向可以根据实际的使用进行布置。
如图5所示，本实施例中，至少一个联动夹具为移动夹具，其中移动夹具包括夹具移动装置9，所述夹具移动装置9包括驱动电机、耳板91和传动带组件，其中固定夹具4至少一端部设有该耳板91，传动带组件的带轮93与驱动电机的动力输出端连接，耳板91固定在传动带组件的传动带92上，在驱动电机驱动带轮93正反运动的过程中，传动带92往复运动，耳板91在传动带92的运动下进行运动，以带动联动夹具的整体相对物料靠近与远离，可以适用于不同高度的物料，实用性广，或者在联动夹具夹持物料的情况下，调整物料在夹持区2内的位置，使得物料上的测试位于测试装置的测试探针对齐，以便于测试装置可以更准确的测试电路板(即物料)的数据。
本实施例中，如图6所示，至少一个夹爪为移动夹爪，其中移动夹爪包括夹爪移动装置11，该夹爪移动装置11包括移动组件和导轨机构，具体的，移动组件包括一对夹持手柄111和安装座112，将夹持手柄111固定于该安装座112上，在测试过程中，夹持手柄111的夹持端位于夹持区2内，用于夹持电路板(即物料)，将安装座112固定于导轨机构上，导轨机构包括相对滑动运动的导轨和滑块，导轨固定在机架1上，安装座112固定于滑块上，当进行更换不同型号的电路板时，上一个夹爪的夹持位置不适用于该电路板，因此通过调整滑块在导轨上的位置以调整安装座112在导轨上的位置，实现了调整夹持手柄111夹持电路板的夹持位置的效果。
上述安装座112也可以固定在传动带组件(未在图中示出)上，将传动带组件固定于机架上，其中该转动带组件包括带轮(未在图中示出)和传动(未在图中示出)带，将安装座112固定于该传动带的本体上，在该传动带组件的 带轮正反运动带动该传动带组件的传动带往复运动的过程中，安装座携带夹持手柄111运动，以调整夹持手柄111夹持电路板的夹持位置的效果。
作为一种改进实施方式，如图2或图7所示，夹具机构还包括设于夹持槽3内的输送单元12，用于将物料运输移动至夹持区2，具体的，该输送单元12包括带轮(未在图中示出)、传送带(未在图中示出)和输送驱动件(未在图中示出)，该输送驱动件可以为输送驱动电机，其动力输出轴与带轮连接，以驱动带轮正反转动，将带轮固定于固定夹具上，该传送带沿平行于该夹持槽的方向设置，在将电路板放置在夹持槽内部的一端后，启动输送驱动电机，驱动传动带运动，将电路板输送至夹持区内，实现了快速送料的效果，避免采用机械手进行上下料的问题，且采用机械手也多占用了操作面积，使整体测试设备的面积增大，成本增加。当然，本实施例中的输送单元也可以采用气缸、齿轮齿条或丝杠等其他传动方式，能够将物料运输移动至夹持区即可。
本实施例中，如图7所示，固定夹具4和活动夹具5可以为板状夹具，二者形成夹持槽3的内侧设有橡胶垫，避免在对电路板进行夹持测试的过程中，对电路板进行磨损以及电路板在输出夹持区2的过程中，对电路板造成磨坏。
本发明夹具机构的工作过程：
电路板在进入到夹持槽一端后，与输送单元接触，被输送单元输送至夹持区内，夹持区内的下侧联动夹具的活动夹具在换向组件的带动下向电路板靠近，将电路板夹持固定，同时上侧的联动夹具在夹具移动装置的驱动下向电路板调整靠近，当运动到固定夹具与电路板的一侧贴合后，启动换向组件，换向组件中的连接销在传动板运动的过程中，与连接槽发生相对滑动，使得活动夹具向固定夹具靠近，以将电路板的上侧夹持固定，由此完成了电路板在水平方向上的上下两侧的固定，根据电路板的实际需要调整夹爪的夹持手柄与电路板的位置，完成电路板在竖直方向上的两侧的固定。
显然，上述实施例仅仅是为清楚地说明所作的举例，而并非对实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而由此所引伸出的显而易见的变化或变动仍处于本发明创造的保护范围之中。

Claims (12)

  1. 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。
  2. 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。
  3. 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。
  4. 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。
  5. 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。
  6. 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。
  7. 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。
  8. 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。
  9. 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。
  10. 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。
  11. 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。
  12. 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。
PCT/CN2020/086901 2019-11-06 2020-04-25 一种夹具机构及具有该机构的测试设备 WO2021088332A1 (zh)

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