CN213275854U - Multifunctional circuit board test fixture - Google Patents

Multifunctional circuit board test fixture Download PDF

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Publication number
CN213275854U
CN213275854U CN202021715619.8U CN202021715619U CN213275854U CN 213275854 U CN213275854 U CN 213275854U CN 202021715619 U CN202021715619 U CN 202021715619U CN 213275854 U CN213275854 U CN 213275854U
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CN
China
Prior art keywords
circuit board
driving motor
clamping
plate
multifunctional circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202021715619.8U
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Chinese (zh)
Inventor
王克长
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Success Circuits Co ltd
Original Assignee
Jiangsu Success Circuits Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN202021715619.8U priority Critical patent/CN213275854U/en
Application granted granted Critical
Publication of CN213275854U publication Critical patent/CN213275854U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a multifunctional circuit board test fixture, include: a base; a work table; a support; pressing a plate; the clamping driving mechanism comprises a driving motor, the power output end of the driving motor extends into the base and is fixedly connected with a threaded lead screw, right-handed threads and left-handed threads are formed in the outer portion of the threaded lead screw, the left-handed threads are located on one side of the right-handed threads, sliding nuts are respectively slidably mounted on the outer portions of the right-handed threads and the left-handed threads, and a supporting rod is fixedly mounted on the surface of the top end of each sliding nut; a clamping mechanism; the utility model discloses a tight actuating mechanism of clamp of installation drives two grip blocks through the bracing piece and is close to the removal each other, then can carry out the centre gripping with the circuit board on the workstation fixed, can avoid the condition that circuit board skew appears when the test, then guarantees that the probe can accurate contact on the circuit board to can improve the device's test precision.

Description

Multifunctional circuit board test fixture
Technical Field
The utility model relates to a circuit board test technical field specifically is a multifunctional circuit board test fixture.
Background
At present, professional testers are generally arranged on production lines of DVDs, set top boxes, televisions or other audio and video processing machines to manually test the functions of the circuit boards, particularly circuit boards with more external jacks, test interfaces comprise USB interfaces, HDMI interfaces, audio input interfaces, audio output interfaces and the like, and the total test point for circuit board operation of some products can reach 12.
However, the traditional test fixture in the market has single functionality and is inconvenient to use, and when the traditional test fixture is used, the circuit board is easy to shake, so that the circuit board is deviated, and the test accuracy of the circuit board is affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multifunctional circuit board test fixture to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a multifunctional circuit board test fixture comprises:
a base;
a work table;
a support;
pressing a plate;
the clamping driving mechanism comprises a driving motor, the power output end of the driving motor extends into the base and is fixedly connected with a threaded lead screw, right-handed threads and left-handed threads are formed in the outer portion of the threaded lead screw, the left-handed threads are located on one side of the right-handed threads, sliding nuts are respectively slidably mounted on the outer portions of the right-handed threads and the left-handed threads, and a supporting rod is fixedly mounted on the surface of the top end of each sliding nut;
a clamping mechanism;
the worktable is fixedly installed on the surface of the top end of the base, the supports are fixedly installed on two sides of the top end of the base, the clamping mechanisms are arranged on two sides of the top end of the worktable, and the driving motor is fixedly installed on one side of the outer wall of the base through bolts.
Preferably, the clamping mechanism comprises a clamping plate, wherein two springs are fixedly arranged on the surface of one end of the clamping plate, one end of each spring is fixedly connected with a contact plate, an ejector rod is fixedly arranged on the inner wall surface of the contact plate close to the axis, a placing cavity is formed in the surface of one end of the clamping plate, which is positioned on one side of the ejector rod, and a contact switch is fixedly arranged in the placing cavity;
and the contact switch is electrically connected with the driving motor.
Preferably, the method further comprises the following steps:
the output end of the air cylinder penetrates through the support and is fixedly connected to the surface of the top end of the pressing plate;
wherein, the cylinder passes through bolt fixed mounting in support top surface.
Preferably, the two sides of the top end of the workbench are respectively provided with a limiting sliding groove, the two sides of the bottom end of the clamping plate are fixedly provided with a limiting sliding block matched with the limiting sliding grooves, and the limiting sliding block is slidably arranged inside the limiting sliding grooves.
Preferably, the bottom end surface of the pressing plate is fixedly provided with a plurality of probes.
Preferably, the top end of the supporting rod penetrates through a groove formed in the surface of the workbench and is fixedly connected to the bottom end surface of the clamping plate.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a tight actuating mechanism of clamp of installation, in the time of in-service use, driving motor work can drive the screw lead screw and rotate, then can drive two slip nuts and remove in the screw lead screw outside, when the screw lead screw clockwise rotation, can drive two slip nuts and be close to the removal each other, then can drive two grip blocks through the bracing piece and be close to the removal each other, then can carry out the centre gripping with the circuit board on the workstation and fix, can avoid the condition that the circuit board squinted when the test appears, then guarantee that the probe can accurate contact on the circuit board, thereby can improve the device's test precision.
2. The utility model discloses an installed clamping mechanism, when two grip blocks are close to each other and move and are close to the circuit board, the contact plate can contact the circuit board at first, then the driving motor continues to drive the screw lead screw to rotate, then the grip blocks can continue to be driven to move, then the spring can be compressed through the contact plate, through the arrangement of the spring, the contact plate and the circuit board belong to elastic contact, avoid the damage to the circuit board surface caused by sudden collision, simultaneously, when the contact plate compresses the spring, the contact plate can also drive the ejector rod to move, then the ejector rod can be moved to the placing cavity, when the ejector rod contacts the contact switch, the contact switch can immediately control the driving motor to stop working, can stop the movement of the grip blocks, avoid the grip blocks from moving too much and causing damage to the circuit board, thereby when the circuit board is clamped and fixed, damage to the circuit board can also be avoided.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure of the working table of the present invention;
fig. 4 is a schematic structural view of the clamping mechanism of the present invention.
In the figure: 10-a base; 20-a workbench; 30-a scaffold; 40-pressing plate; 41-a probe; 50-cylinder; 60-a clamping drive mechanism; 61-a drive motor; 62-a threaded screw rod; 63-right-hand threads; 64-left-hand threads; 65-a sliding nut; 66-support rods; 70-a clamping mechanism; 71-a clamping plate; 72-contact plate; 73-a mandril; 74-a spring; 75-placing the cavity; 76-a contact switch; 80-a limiting slide block; 81-limiting sliding groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a multifunctional circuit board test fixture comprises: the base 10, the table 20, the support 30, the pressing plate 40, the clamping driving mechanism 60 and the clamping mechanism 70.
Further, the base 10 has a hollow structure inside.
Wherein, press from both sides tight actuating mechanism 60 and include driving motor 61, driving motor 61 power take off end extends to inside and fixedly connected with screw lead screw 62 of base 10, and screw lead screw 62 one end is passed through and is rotated between bearing frame and the base 10 inner wall and be connected, right-handed screw 63 and left-handed screw 64 have been seted up to screw lead screw 62 outside, and left-handed screw 64 is located right-handed screw 63 one side, right-handed screw 63 and the outside difference slidable mounting of left-handed screw 64 have slip nut 65, slip nut 65 top fixed surface installs bracing piece 66.
Further, the driving motor 61 can drive the threaded screw rod 62 to rotate when working, then two sliding nuts 65 can be driven to move outside the threaded screw rod 62, when the threaded screw rod 62 rotates clockwise, two sliding nuts 65 can be driven to move close to each other, then two clamping plates 71 can be driven to move close to each other through the supporting rod 66, then a circuit board on the workbench 20 can be clamped and fixed, the condition that the circuit board deviates when testing can be avoided, then it is ensured that the probe can accurately contact with a contact on the circuit board, thereby the testing accuracy of the device can be improved, when the driving motor 61 drives the threaded screw rod 62 to rotate counterclockwise, two sliding nuts 65 can be driven to move away from each other, then the circuit board can be kept away from two clamping plates 71, and then the circuit board 71 can be loosened.
The workbench 20 is fixedly installed on the top end surface of the base 10, the support 30 is fixedly installed on two sides of the top end of the base 10, the clamping mechanisms 70 are arranged on two sides of the top end of the workbench 20, and the driving motor 61 is fixedly installed on one side of the outer wall of the base 10 through bolts.
Wherein, clamping mechanism 70 includes grip block 71, grip block 71 one end fixed surface installs spring 74, and spring 74 is equipped with two, wherein two spring 74 one end fixedly connected with contact plate 72, contact plate 72 inner wall surface is close to axle center department fixed mounting has ejector pin 73, grip block 71 one end surface is located ejector pin 73 one side department and has seted up and place chamber 75, places chamber 75 one end be equipped with ejector pin 73 assorted through-hole, can make things convenient for ejector pin 73 to insert and place inside the chamber 75, place the inside fixed mounting in chamber 75 has contact switch 76.
Further, the contact switch 76 is on the same axis as the push rod 73, so that the push rod 73 can accurately contact the contact switch 76.
Further, when the two holding plates 71 move close to each other and approach the circuit board, the contact plate 72 first contacts the circuit board, then the driving motor 61 continues to drive the threaded screw rod 62 to rotate, and the clamping plate 71 can continue to be driven to move, the spring 74 can be compressed by the contact plate 72, and the contact plate 72 and the circuit board are in elastic contact by the arrangement of the spring 74, so that the damage to the surface of the circuit board caused by sudden collision is avoided, meanwhile, when the contact plate 72 compresses the spring 74, the contact plate 72 will drive the push rod 73 to move, the plunger 73 is moved into the placing chamber 75, and when the plunger 73 comes into contact with the contact switch 76, the contact switch 76 can immediately control the driving motor 61 to stop working, and can stop the movement of the clamping plate 71, thereby avoiding the damage to the circuit board caused by excessive movement of the clamping plate 71.
Wherein, the contact switch 76 is electrically connected with the driving motor 61.
Wherein, still include: and a cylinder 50.
Further, the air cylinder 50 can drive the press plate 40 to move downwards when working, and then the circuit board can be tested.
Wherein, the output end of the cylinder 50 penetrates through the bracket 30 and is fixedly connected to the top surface of the pressure plate 40.
Wherein the cylinder 50 is fixedly mounted to the top end surface of the bracket 30 by bolts.
Further, the cylinder 50 and the driving motor 61 are respectively connected to an external power source and controlled by a switch.
Wherein, spacing spout 81 has been seted up respectively to workstation 20 top both sides, grip block 71 bottom both sides fixed mounting have with spacing spout 81 assorted spacing slider 80, spacing slider 80 slidable mounting is inside spacing spout 81.
Further, when the clamping plate 71 moves, the limiting slide block 80 is also driven to move in the limiting slide groove 81, so that the stability of the clamping plate 71 during moving can be ensured.
Wherein, the bottom surface of the pressure plate 40 is fixedly provided with a probe 41, and the probe 41 is provided with a plurality of probes.
The top end of the support rod 66 penetrates through a slot formed in the surface of the worktable 20 and is fixedly connected to the bottom end surface of the clamping plate 71.
Further, it is ensured that the support bar 66 can move along the slot opened on the surface of the table 20.
The working principle is as follows: when the screw thread screw 62 is driven to rotate by the driving motor 61, the two sliding nuts 65 can be driven to move outside the screw thread screw 62, when the screw thread screw 62 rotates clockwise, the two sliding nuts 65 can be driven to move close to each other, the two clamping plates 71 can be driven to move close to each other by the supporting rod 66, when the two clamping plates 71 move close to each other and approach a circuit board, the contact plate 72 firstly contacts the circuit board, then the driving motor 61 continues to drive the screw thread screw 62 to rotate, the clamping plates 71 can continue to be driven to move, the spring 74 can be compressed by the contact plate 72, the contact plate 72 and the circuit board are in elastic contact through the arrangement of the spring 74, the damage to the surface of the circuit board caused by sudden collision is avoided, and when the contact plate 72 compresses the spring 74, the contact plate 72 can also drive the ejector rod 73 to move, the push rod 73 is moved into the placing cavity 75, when the push rod 73 contacts the contact switch 76, the contact switch 76 can immediately control the driving motor 61 to stop working, the movement of the clamping plate 71 can be stopped, and the circuit board can be clamped and fixed between the contact plates 72 through the elastic force of the spring 74.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a multifunctional circuit board test fixture which characterized in that includes:
a base (10);
a table (20);
a bracket (30);
a platen (40);
the clamping driving mechanism (60) comprises a driving motor (61), the power output end of the driving motor (61) extends into the base (10) and is fixedly connected with a threaded lead screw (62), a right-handed thread (63) and a left-handed thread (64) are arranged on the outer portion of the threaded lead screw (62), the left-handed thread (64) is located on one side of the right-handed thread (63), sliding nuts (65) are respectively installed on the outer portions of the right-handed thread (63) and the left-handed thread (64) in a sliding mode, and a supporting rod (66) is fixedly installed on the surface of the top end of each sliding nut (65);
a clamping mechanism (70);
the clamping mechanism (70) is arranged on two sides of the top end of the workbench (20), and the driving motor (61) is fixedly arranged on one side of the outer wall of the base (10) through bolts.
2. The multifunctional circuit board testing jig of claim 1, characterized in that: the clamping mechanism (70) comprises a clamping plate (71), springs (74) are fixedly mounted on the surface of one end of the clamping plate (71), two springs (74) are arranged, one ends of the two springs (74) are fixedly connected with a contact plate (72), a top rod (73) is fixedly mounted on the inner wall surface of the contact plate (72) close to the axis, a placing cavity (75) is formed in the surface of one end of the clamping plate (71) and located on one side of the top rod (73), and a contact switch (76) is fixedly mounted in the placing cavity (75);
wherein the contact switch (76) is electrically connected with the driving motor (61).
3. The multifunctional circuit board testing jig of claim 1, further comprising:
the output end of the air cylinder (50) penetrates through the support (30) and is fixedly connected to the top end surface of the pressure plate (40);
wherein, the cylinder (50) is fixedly arranged on the top end surface of the bracket (30) through a bolt.
4. The multifunctional circuit board testing jig of claim 2, characterized in that: spacing spout (81) have been seted up respectively to workstation (20) top both sides, grip block (71) bottom both sides fixed mounting have with spacing spout (81) assorted spacing slider (80), spacing slider (80) slidable mounting is inside in spacing spout (81).
5. The multifunctional circuit board testing jig of claim 1, characterized in that: the bottom end surface of the pressing plate (40) is fixedly provided with a probe (41), and the probe (41) is provided with a plurality of probes.
6. The multifunctional circuit board testing jig of claim 1, characterized in that: the top end of the supporting rod (66) penetrates through a groove formed in the surface of the workbench (20) and is fixedly connected to the bottom end surface of the clamping plate (71).
CN202021715619.8U 2020-08-17 2020-08-17 Multifunctional circuit board test fixture Expired - Fee Related CN213275854U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021715619.8U CN213275854U (en) 2020-08-17 2020-08-17 Multifunctional circuit board test fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021715619.8U CN213275854U (en) 2020-08-17 2020-08-17 Multifunctional circuit board test fixture

Publications (1)

Publication Number Publication Date
CN213275854U true CN213275854U (en) 2021-05-25

Family

ID=75973392

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021715619.8U Expired - Fee Related CN213275854U (en) 2020-08-17 2020-08-17 Multifunctional circuit board test fixture

Country Status (1)

Country Link
CN (1) CN213275854U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114019196A (en) * 2021-11-01 2022-02-08 湖南三易精工科技有限公司 Relay contact voltage drop test fixture
CN115436673A (en) * 2022-10-14 2022-12-06 苏州润明恩电子科技有限公司 Jig for automobile test
CN115739705A (en) * 2022-11-18 2023-03-07 浙江华邦电子有限公司 Full-automatic circuit board test equipment
CN116298407A (en) * 2023-02-06 2023-06-23 深圳市鼎业欣电子有限公司 LED circuit board detection device
CN117074926A (en) * 2023-10-16 2023-11-17 深圳市微特精密科技股份有限公司 Quick positioner of FCT test fixture
CN117129310A (en) * 2023-09-06 2023-11-28 江苏科泰检测技术服务有限公司 Metal material hardness testing device and testing method thereof
CN117269737A (en) * 2023-11-22 2023-12-22 深圳市鑫科拓威科技有限公司 Jig assembly for PCB test

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114019196A (en) * 2021-11-01 2022-02-08 湖南三易精工科技有限公司 Relay contact voltage drop test fixture
CN115436673A (en) * 2022-10-14 2022-12-06 苏州润明恩电子科技有限公司 Jig for automobile test
CN115436673B (en) * 2022-10-14 2023-10-27 苏州润明恩电子科技有限公司 Jig for automobile test
CN115739705A (en) * 2022-11-18 2023-03-07 浙江华邦电子有限公司 Full-automatic circuit board test equipment
CN116298407A (en) * 2023-02-06 2023-06-23 深圳市鼎业欣电子有限公司 LED circuit board detection device
CN116298407B (en) * 2023-02-06 2024-02-27 深圳市鼎业欣电子有限公司 LED circuit board detection device
CN117129310A (en) * 2023-09-06 2023-11-28 江苏科泰检测技术服务有限公司 Metal material hardness testing device and testing method thereof
CN117129310B (en) * 2023-09-06 2024-03-22 广州威绰商品检测技术服务有限公司 Metal material hardness testing device and testing method thereof
CN117074926A (en) * 2023-10-16 2023-11-17 深圳市微特精密科技股份有限公司 Quick positioner of FCT test fixture
CN117074926B (en) * 2023-10-16 2024-01-02 深圳市微特精密科技股份有限公司 Quick positioner of FCT test fixture
CN117269737A (en) * 2023-11-22 2023-12-22 深圳市鑫科拓威科技有限公司 Jig assembly for PCB test
CN117269737B (en) * 2023-11-22 2024-03-08 深圳市鑫科拓威科技有限公司 Jig assembly for PCB test

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210525

Termination date: 20210817

CF01 Termination of patent right due to non-payment of annual fee