CN113155634A - Flexible circuit board bending resistance detection device - Google Patents
Flexible circuit board bending resistance detection device Download PDFInfo
- Publication number
- CN113155634A CN113155634A CN202110479711.1A CN202110479711A CN113155634A CN 113155634 A CN113155634 A CN 113155634A CN 202110479711 A CN202110479711 A CN 202110479711A CN 113155634 A CN113155634 A CN 113155634A
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- Prior art keywords
- circuit board
- rod
- fixedly connected
- detection
- bending resistance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
Abstract
The invention relates to the technical field of flexible circuit boards, and discloses a flexible circuit board bending resistance detection device which comprises a shell, wherein a placing table is fixedly connected to the outer side of the shell; carry out the joint automatically to the both ends of circuit board and fix, avoid it to receive pressure in the testing process and take place the bending, make it break away from with anchor clamps mutually, increase the stability that the circuit board detected, be favorable to going on of detection operation, the circuit board is when being fixed, trigger detection operation, increase linkage between the structure, the simple operation, the automation degree has, automatic exerting the pressure that appears increasing progressively to the circuit board, carry out regular detection to the circuit board, reduce artifical the intervention, avoided because the condition of application of force error influence testing result, increase the accuracy that its bending resistance detected, and after accomplishing the detection, the circuit board is kept away from automatically to detection mechanism, convenient detection to follow-up circuit board, the simple operation, more accord with the in-service use condition.
Description
Technical Field
The invention relates to the technical field of flexible circuit boards, in particular to a flexible circuit board bending resistance detection device.
Background
The flexible circuit board is made of polyimide or polyester film as a base material, has the advantages of light weight, thin thickness, free bending and folding and the like, and is widely applied to the fields or products of aerospace, military, mobile communication, laptop, computer peripheral equipment, digital cameras and the like. In the process of processing the flexible circuit board, the bending resistance of the circuit board needs to be detected, and at present, manual detection is mostly carried out manually. However, when the circuit board is bent, the distance between the two ends of the circuit board is shortened, so that the circuit board moves, which is not beneficial to the detection operation, reduces the detection efficiency, and generally needs to apply different forces to the circuit board in order to increase the accuracy of the detection data. And current detection device when using, needs manual control to the pressure of circuit board, but there is great error in the manual regulation dynamics, and this can influence the testing result to complex operation, detection efficiency is low, can not satisfy the in-service use demand.
Aiming at the defects of the prior art, the invention provides the flexible circuit board bending resistance detection device which has the advantages of good fixing effect, automatic multiple detection and convenience in operation.
Disclosure of Invention
Technical scheme (I)
In order to realize the purposes of good fixing effect, automatic multiple detection and convenient operation, the invention provides the following technical scheme: the flexible circuit board bending resistance detection device comprises a shell, a placing table, a clamp, a fixed seat, a movable rod, a sleeve block, a metal slip sheet, an insulating tube, a rotating column, a rotating assembly, a detection rod, a clamping plate, a brake rod, a rotary disc, a convex block group and a stop rod.
Wherein:
the position and connection relationship among the structures are as follows:
a flexible circuit board bending resistance detection device comprises a shell, wherein a placing table is fixedly connected to the outer side of the shell, the placing table is provided with two placing tables with the same specification, bayonets are formed in the surface of the placing table, clamps are movably connected to the two sides of the placing table, the two clamps are of the same specification and consist of clamping blocks and supporting rods, a fixed seat is fixedly connected to the inner portion of the shell, the two fixed seats are of the same specification and are in an inverted concave shape, a movable rod is movably connected to the left side of the fixed seat, a screw rod is fixedly connected to the left side of the movable rod, an insulating tube is fixedly connected to the left side of the movable rod, sleeve blocks are movably connected to the outer side of the movable rod, the two sleeve blocks are of the same specification, a metal sliding sheet is fixedly connected to the left side of the upper sleeve block, a first connecting rod and a second connecting rod are movably connected to the outer side of the sleeve blocks, the metal sliding sheet is fixedly connected to the left side of the sleeve blocks, and is made of copper material, the outer side of the metal slip sheet is fixedly connected with an insulating tube, the outer side of the insulating tube is fixedly connected with a resistance coil, and the resistance coil is electrically connected with the driving electricity of the turntable.
The left side of the movable rod is movably connected with a rotary column, the surface of the rotary column is provided with an inclined groove, the surface of the rotary column is provided with four notches with the same specification, the outer side of the rotary column is movably connected with two rotating assemblies with the same specification, each rotating assembly comprises a main disc, a supporting rod and an arc plate, a pull rope is movably connected between the two rotating assembly main discs, a detection rod is movably connected above the placing table and consists of a detection head and a supporting rod, the surface of the supporting rod is movably connected with a brake rod, the surface of the detection rod is fixedly connected with a clamping plate, the clamping plate is fixedly connected with the inner wall of the shell, the surface of the clamping plate is provided with three notches with the same specification, the surface of the detection rod is movably connected with the brake rod, the brake rod is inverted Z-shaped, the clamping teeth are fixedly connected below the upper transverse rod, the left side of the detection rod is movably connected with a rotary disc, and the outer side of the rotary disc is fixedly connected with a convex block group, the convex block group is composed of a short convex block, a middle convex block and a long convex block, the distances between the short convex block, the middle convex block and the long convex block and the rotary table are linearly increased, and a stop lever is fixedly connected to the outer side of the rotary table and is positioned between the short convex block and the long convex block of the convex block group.
(II) advantageous effects
Compared with the prior art, the invention provides a flexible circuit board bending resistance detection device, which has the following beneficial effects:
1. this flexible circuit board bending resistance detection device through the combined action of placing platform, anchor clamps, fixing base, movable rod, cover block, rotary column and runner assembly, carries out the joint automatically to the both ends of circuit board and fixes, avoids it to receive pressure in the testing process and takes place the bending, makes it break away from with anchor clamps mutually, increases the stability that the circuit board detected, is favorable to going on of detect operation.
2. This flexible circuit board bending resistance detection device, through the combined action of cover block, metal gleitbretter and insulating tube, the circuit board is when being fixed, triggers the detection operation, increases the linkage nature between the structure, and the simple operation has higher degree of automation.
3. This flexible circuit board bending resistance detection device, through the measuring pole, the cardboard, the brake lever, the carousel, the combined action of convex block group and pin, automatic exerting the pressure that appears increasing progressively to the circuit board, carry out regular detection to the circuit board, reduce artifical the intervention, avoided because the condition of application of force error influence testing result, increase the accuracy that its bending resistance detected, and after accomplishing the detection, the circuit board is kept away from automatically to detection mechanism, convenient detection to follow-up circuit board, and the simple operation more accords with the in-service use condition.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view of the connection between the detecting rod and the blocking rod according to the present invention.
In the figure: 1. a housing; 2. a placing table; 3. a clamp; 4. a fixed seat; 5. a movable rod; 6. sleeving blocks; 7. a metal slip sheet; 8. an insulating tube; 9. turning the column; 10. a rotating assembly; 11. a detection lever; 12. clamping a plate; 13. a brake lever; 14. a turntable; 15. a convex block group; 16. a stop lever.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-3, a flexible circuit board bending resistance detection device comprises a housing 1, a placing table 2 is fixedly connected to the outer side of the housing 1, the placing table 2 has two placing tables with the same specification, a bayonet is arranged on the surface of the placing table 2, the size of the bayonet is matched with the size of a circuit board, two clamps 3 are movably connected to the two sides of the placing table 2, the two clamps 3 have the same specification, each clamp 3 comprises a clamping block and a supporting rod, a spring is movably connected between the clamping block and the supporting rod, when the two clamps 3 approach each other to fix the circuit board, the movement of the clamping block is obstructed by the circuit board to move away from each other and extrude the spring, when the circuit is bent, the clamping blocks of the clamps 3 approach each other under the action of the spring, the circuit board can be stably clamped all the time, a notch is arranged on the surface of the clamping block, the size of the notch is, the two fixed seats 4 are of the same specification, the fixed seats 4 are of an inverted concave shape, one side of each transverse rod, close to one side of each fixed seat 4, is provided with a through hole, the size of each transverse rod is matched with the size of a supporting rod of the clamp 3, the left side of each fixed seat 4 is movably connected with a movable rod 5, the left side of each movable rod 5 is fixedly connected with a screw rod, the left side of each movable rod 5 is fixedly connected with an insulating pipe 8, the surface of each movable rod 5 is provided with two convex columns of the same specification, the outer side of each movable rod 5 is provided with a clamping groove, the surface of the inner wall of the shell 1 is provided with a clamping groove, the convex columns of the movable rods 5 are movably clamped in the clamping grooves, the outer side of each movable rod 5 is movably connected with a sleeve block 6, the sleeve blocks 6 are provided with two metal sliding sheets 7 of the same specification, the outer side of each sleeve block 6 is movably connected with a first connecting rod and a second connecting rod, one side of each first connecting rod, far away from each sleeve block 6, is movably connected with each fixed seat 4, one side that the cover block 6 was kept away from to the second connecting rod and the branch swing joint of anchor clamps 3, the left side fixedly connected with metal gleitbretter 7 of cover block 6, metal gleitbretter 7 are the copper product matter, the resistance coil sliding connection in metal gleitbretter 7 and the insulating tube 8 outside.
An insulating tube 8 is fixedly connected to the outer side of the metal slip sheet 7, a resistance coil is fixedly connected to the outer side of the insulating tube 8, the resistance coil is electrically connected with a driving circuit of the turntable 14, initially, the metal slip sheet 7 is located at the highest point of the insulating tube 8, the number of the resistance coils connected into the circuit is the largest, namely, the resistance of the circuit is the largest, the current is the smallest, the turntable 14 electrically connected with the metal slip sheet is in a static state, the left side of the movable rod 5 is movably connected with the rotary column 9, the surface of the rotary column 9 is provided with a chute, the surface of the rotary column 9 is provided with four notches with the same specification, every two notches are in one group, two notches of each group are located in the same straight line, the two groups of notches are symmetrically distributed by taking the central axis of the rotary column 9 as a reference, a screw hole is formed in the rotary column 9, the size of the screw hole is matched with the size of a screw rod on the left side of the movable rod 5, and a rotating assembly 10 is movably connected to the outer side of the rotary column 9, the rotating assemblies 10 are two and have the same specification, the rotating assemblies 10 are composed of main disks, supporting rods and arc plates, pull ropes are movably connected between the main disks of the two rotating assemblies 10, the size of each supporting rod of the rotating assemblies 10 is matched with that of a chute of the rotating column 9, and the size of each arc plate is matched with that of a notch of the rotating column 9.
A detection rod 11 is movably connected above the placing table 2, the detection rod 11 is composed of a detection head and a support rod, the surface of the support rod is movably connected with a brake rod 13, the upper side and the lower side of the support rod are fixedly connected with a connecting rod, the outer side of the connecting rod is movably connected with a spring, one side of the spring, which is far away from the connecting rod, is movably connected with the inner wall of the shell 1, the surface of the detection rod 11 is fixedly connected with a clamping plate 12, the clamping plate 12 is fixedly connected with the inner wall of the shell 1, three notches with the same specification are formed in the surface of the clamping plate 12, the distance between every two adjacent notches is equal, the surface of the detection rod 11 is movably connected with the brake rod 13, the brake rod 13 is inverted Z-shaped, a latch is fixedly connected below an upper cross rod of the clamping plate, the size of the latch is matched with the size of the notch of the clamping plate 12, the joint of the upper cross rod and a middle rod body of the brake rod 13 is movably connected with the support rod of the detection rod 11, a rotary table 14 is movably connected with the left side of the detection rod 11, the outer side of the rotary table 14 is fixedly connected with a convex block group 15, the convex block group 15 is composed of short convex blocks, middle convex blocks and long convex blocks, the distances between the short convex blocks, the middle convex blocks, the long convex blocks and the rotary table 14 are linearly increased, the distances between the middle convex blocks, the long convex blocks and the rotary table 14 are respectively two times and three times of the distances between the short convex blocks and the rotary table 14, when the convex block group 15 rotates to be sequentially close to the detection rod 11, the clamping teeth of the surface brake rod 13 of the detection rod 11 can be pushed to sequentially move into three concave grooves of the clamping plate 12, the outer side of the rotary table 14 is fixedly connected with a stop lever 16, the stop lever 16 is positioned between the short convex blocks and the long convex blocks of the convex block group 15, and the distance between the stop lever 16 and the rotary table 14 is larger than the distance between the long convex blocks of the convex block group 15 and the rotary table 14.
The working process and the principle of the device are as follows:
when the device is used, the lower side rotating assembly 10 rotates clockwise, the upper side rotating assembly 10 is driven to rotate through the pull rope, the supporting rod and the arc plate of the upper side rotating assembly 10 are sequentially close to the rotary column 9, the supporting rod moves to the chute of the rotary column 9 and then is far away, the arc plate is driven to rotate, the arc plate and the notch which moves to the rotary column 9 are further far away, the rotary column 9 is stopped in time, the supporting rod and the arc plate of the subsequent lower side rotating assembly 10 are sequentially close to the rotary column 9, the rotary column 9 is driven to rotate reversely and then keep still, the rotary column 9 is driven to rotate intermittently and reciprocally, the rotary column 9 is driven to move intermittently, the screw rod outside the movable rod 5 is driven to move leftwards and rightwards due to the clamping of the movable rod 5 being clamped in the clamping groove of the shell 1, the movable rod 5 moves synchronously, the movement of the sleeve block 6 is hindered by the first connecting rod initially, the sleeve block 6 moves synchronously, make first connecting rod rotate for the rotation point with its junction with fixing base 4, and promote the cover block 6 and remove in the outside of movable rod 5, make two cover blocks 6 be close to each other, cover block 6 drives anchor clamps 3 through the second connecting rod when removing and removes, make two anchor clamps 3 be close to each other and place the circuit board of platform 2 tops and fix the circuit board, the motion of clamp splice receives the hindrance of circuit board and keeps away from each other and extrusion spring, when making the circuit take place crooked, the clamp splice of anchor clamps 3 receives the effect of spring and is close to each other, can stabilize the centre gripping to the circuit board all the time.
When the two sleeve blocks 6 are close to each other, the upper sleeve block 6 drives the metal sliding sheet 7 to move downwards outside the insulating tube 8, initially, the metal sliding sheet 7 is located at the highest point of the insulating tube 8, the number of resistance coils connected into the circuit is the largest at the moment, namely, the resistance of the circuit is the largest, the current is the smallest, the rotating disc 14 electrically connected with the metal sliding sheet is in a static state, the metal sliding sheet 7 moves downwards, the number of resistance coils connected into the circuit is reduced at the moment, namely, the resistance in the circuit is reduced, the current is increased, and the rotating disc 14 electrically connected with the metal sliding sheet rotates anticlockwise.
The rotary table 14 drives the lug group 15 and the stop lever 16 on the outer side to move synchronously, because the lug group 15 is composed of a short lug, a middle lug and a long lug, the distance between the short lug, the middle lug and the long lug and the rotary table 14 is linearly increased, the distance between the middle lug and the long lug and the rotary table 14 is respectively two times and three times of the distance between the short lug and the rotary table 14, initially, the rotary table 14 is contacted with the detection rod 11, the detection head of the detection rod 11 is contacted with a circuit board on the placing table 2 at the moment, the short lug of the lug group 15 is close to the detection rod 11 and pushes the detection rod 11 to move rightwards, the detection rod 11 extrudes a spring on the outer side of the detection rod 11 and drives the brake rod 13 to be close to the clamping plate 12, the movement of the brake rod 13 is blocked by the clamping plate 12, the brake rod 13 rotates anticlockwise by taking the joint of the brake rod 13 and the detection rod 11 as a rotating point, the upper transverse rod of the brake rod 13 is far away from the clamping plate 12, until the detection rod 11 contacts with the farthest point of the short lug of the lug group 15, which is far away from the rotary table 14, the movement of the brake rod 13 is not hindered by the clamping plate 12, the brake rod 13 rotates clockwise under the action of self gravity, the clamping groove of the upper cross rod moves into the left recess of the clamping plate 12 to fix the position of the detection rod 11, the middle lug and the long lug of the subsequent lug group 15 are close to the detection rod 11 to push the detection rod 11 to gradually move forward and backward, and the detection rod 11 applies pressure to the circuit board to bend the circuit board, so that the effect of detecting the bending resistance of the circuit board is achieved; follow-up pin 16 rotates and is close to measuring lever 11 and brake lever 13, and measuring lever 11 moves to rightmost side this moment, and pin 16 promotes the bottom rail of brake lever 13, drives brake lever 13 and carries out anticlockwise rotation, makes the latch of its upper horizontal pole shift out the right notch of cardboard 12, and measuring lever 11 receives the effect of spring to take place to reset this moment, and measuring lever 11 contacts with carousel 14, and measuring lever 11 moves to leftmost side, no longer extrudees the circuit board to the completion detects.
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 (7)
1. The utility model provides a flexible circuit board bending resistance detection device, includes shell (1), its characterized in that: the detection device is characterized in that a placing table (2) is fixedly connected to the outer side of the shell (1), clamps (3) are movably connected to two sides of the placing table (2), a fixing seat (4) is fixedly connected to the inner portion of the shell (1), a movable rod (5) is movably connected to the left side of the fixing seat (4), a sleeve block (6) is movably connected to the outer side of the movable rod (5), a metal slip sheet (7) is fixedly connected to the left side of the sleeve block (6), an insulating pipe (8) is fixedly connected to the outer side of the metal slip sheet (7), a rotary column (9) is movably connected to the left side of the movable rod (5), a rotating assembly (10) is movably connected to the outer side of the rotary column (9), a detection rod (11) is movably connected to the upper portion of the placing table (2), a clamping plate (12) is fixedly connected to the surface of the detection rod (11), a brake rod, the outer side of the rotary table (14) is fixedly connected with a convex block group (15), and the outer side of the rotary table (14) is fixedly connected with a stop lever (16).
2. The device for detecting bending resistance of flexible printed circuit board according to claim 1, wherein: the placing table (2) is provided with two clamping blocks with the same specification, the surface of the placing table (2) is provided with a bayonet, the clamps (3) are provided with two clamping blocks with the same specification, each clamp (3) is composed of a clamping block and a supporting rod, the fixing seats (4) are provided with two clamping blocks with the same specification, and the fixing seats (4) are in inverted concave shapes.
3. The device for detecting bending resistance of flexible printed circuit board according to claim 1, wherein: the left side fixedly connected with screw rod of movable rod (5), the left side fixedly connected with insulating tube (8) of movable rod (5), nested piece (6) have two and the specification is the same, upside nested piece (6) left side fixedly connected with metal gleitbretter (7), the outside swing joint of nested piece (6) has first connecting rod and second connecting rod.
4. The device for detecting bending resistance of flexible printed circuit board according to claim 1, wherein: the metal slip sheet (7) is made of copper, the outer side of the insulating tube (8) is fixedly connected with a resistance coil, the resistance coil is electrically connected with a driving shaft of the turntable (14), the surface of the rotary column (9) is provided with a chute, and the surface of the rotary column (9) is provided with four notches with the same specification.
5. The device for detecting bending resistance of flexible printed circuit board according to claim 1, wherein: the two rotating assemblies (10) are of the same specification, each rotating assembly (10) is composed of a main disc, a supporting rod and an arc plate, and a pull rope is movably connected between the main discs of the two rotating assemblies (10).
6. The device for detecting bending resistance of flexible printed circuit board according to claim 1, wherein: the detection rod (11) is composed of a detection head and a support rod, the surface of the support rod is movably connected with a brake rod (13), the clamping plate (12) is fixedly connected with the inner wall of the shell (1), and three notches with the same specification are formed in the surface of the clamping plate (12).
7. The device for detecting bending resistance of flexible printed circuit board according to claim 1, wherein: the brake rod (13) is inverted Z-shaped, the clamping teeth are fixedly connected below the upper cross rod, the convex block group (15) is composed of short convex blocks, middle convex blocks and long convex blocks, the distances between the short convex blocks, the middle convex blocks and the long convex blocks and the rotary table (14) are linearly increased, and the stop rod (16) is located between the short convex blocks and the long convex blocks of the convex block group (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110479711.1A CN113155634A (en) | 2021-04-30 | 2021-04-30 | Flexible circuit board bending resistance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110479711.1A CN113155634A (en) | 2021-04-30 | 2021-04-30 | Flexible circuit board bending resistance detection device |
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| CN113155634A true CN113155634A (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110479711.1A Pending CN113155634A (en) | 2021-04-30 | 2021-04-30 | Flexible circuit board bending resistance detection device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050252299A1 (en) * | 2004-05-17 | 2005-11-17 | Denso Corporation | Pressure detecting apparatus |
| CN207081622U (en) * | 2017-07-17 | 2018-03-09 | 江西凯强实业有限公司 | A kind of flexible PCB bending resistance test device |
| CN111982666A (en) * | 2020-08-11 | 2020-11-24 | 昆山博克电子材料有限公司 | Two-way clamping device for detecting printed circuit board |
| CN112284883A (en) * | 2020-11-11 | 2021-01-29 | 厦门枫熙恋市政工程有限公司 | A tubular product hardness detects auxiliary device for building new material field |
| CN112595989A (en) * | 2020-12-16 | 2021-04-02 | 深圳市宝测达科技有限公司 | Lighting apparatus bulb life check out test set |
-
2021
- 2021-04-30 CN CN202110479711.1A patent/CN113155634A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050252299A1 (en) * | 2004-05-17 | 2005-11-17 | Denso Corporation | Pressure detecting apparatus |
| CN207081622U (en) * | 2017-07-17 | 2018-03-09 | 江西凯强实业有限公司 | A kind of flexible PCB bending resistance test device |
| CN111982666A (en) * | 2020-08-11 | 2020-11-24 | 昆山博克电子材料有限公司 | Two-way clamping device for detecting printed circuit board |
| CN112284883A (en) * | 2020-11-11 | 2021-01-29 | 厦门枫熙恋市政工程有限公司 | A tubular product hardness detects auxiliary device for building new material field |
| CN112595989A (en) * | 2020-12-16 | 2021-04-02 | 深圳市宝测达科技有限公司 | Lighting apparatus bulb life check out test set |
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