CN113504116A - Detection device and method for reinforced steel sheet of FPC (Flexible printed Circuit) - Google Patents
Detection device and method for reinforced steel sheet of FPC (Flexible printed Circuit) Download PDFInfo
- Publication number
- CN113504116A CN113504116A CN202110695166.XA CN202110695166A CN113504116A CN 113504116 A CN113504116 A CN 113504116A CN 202110695166 A CN202110695166 A CN 202110695166A CN 113504116 A CN113504116 A CN 113504116A
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- steel sheet
- rod
- die
- fpc
- head
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 52
- 239000010959 steel Substances 0.000 title claims abstract description 52
- 238000001514 detection method Methods 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 5
- 230000002787 reinforcement Effects 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims 2
- 230000003014 reinforcing effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
Images
Classifications
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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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
-
- 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
-
- 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
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Structure Of Printed Boards (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
A detection device and method of FPC flexible line way board reinforcement steel sheet, including base, mould and push rod; the mould comprises an upper mould and a lower mould which are matched; the lower die is arranged in a die cavity on the top surface of the base, and the top surface of the lower die is provided with a board cavity matched with the circuit board; the upper die is suspended at the top of the lower die through a hydraulic rod, and the bottom of the upper die is horizontally and transversely provided with a bottom groove; when the die is closed, the circuit board is pressed in the board cavity by the bottom slot wall, and the steel sheet on the circuit board is arranged in the bottom slot; a push head of a push rod which is arranged on one side of the base and driven by the control device is over against one side surface of the steel sheet along the bottom groove, and a first pressure sensor connected with the control device is arranged on the end surface of the push head. Its simple structure, convenient to use can use for a long time, and it is high to detect the precision, and combines the mode of the thrust of exerting, for example: the reinforcing strength with different dimensionalities can be obtained by combining time, and the reinforcing device has strong practicability and wide applicability.
Description
Technical Field
The invention relates to a detection device and a detection method for a reinforced steel sheet, in particular to a detection device and a detection method for a reinforced steel sheet of an FPC (flexible printed circuit).
Background
At present, the FPC reinforcing steel sheet is widely applied to circuit boards of mobile phones, pads and other equipment and is adhered to the FPC board through back adhesive, so that the strength of the FPC board can be improved, and some manufacturers have certain requirements on the adhesion strength of the reinforcing steel sheet.
Therefore, a detection device is required.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a detection device and a detection method for a reinforced steel sheet of an FPC (flexible printed circuit).
In order to achieve the above object, the present invention adopts the following technical solutions:
a detection device for a reinforced steel sheet of an FPC (flexible printed circuit) comprises a base, a die and a push rod;
the die comprises an upper die and a lower die which are matched; the lower die is arranged in a die cavity on the top surface of the base, and the top surface of the lower die is provided with a board cavity matched with the circuit board; the upper die is suspended at the top of the lower die through a hydraulic rod, and the bottom of the upper die is horizontally and transversely provided with a bottom groove;
when the die is closed, the circuit board is pressed in the board cavity by the bottom slot wall, and the steel sheet on the circuit board is arranged in the bottom slot;
a push head of a push rod which is arranged on one side of the base and driven by the control device is over against one side surface of the steel sheet along the bottom groove, and a first pressure sensor connected with the control device is arranged on the end surface of the push head.
The bottom surface of the push head, the bottom surface of the steel sheet and the top surface of the lower die are in the same horizontal plane.
The opposite side of above-mentioned base is equipped with stress device, includes: the head of the rod is opposite to the stress rod on the other side surface of the steel sheet;
the body of the stress rod penetrates through the detection box, the body of the stress rod is sleeved with the spring, one end of the spring, which is close to the steel sheet, is abutted against the limiting block on the body of the stress rod, and the other end of the spring is abutted against the second pressure sensor arranged on the wall of the detection box;
the second pressure sensor is connected with the control device.
Furthermore, a nut screw groove is horizontally and transversely arranged on the top surface of the detection box, and a nut with the bottom arranged at the end, far away from the spring, of the limiting block is arranged in the nut.
Still further, the end surface of the club head is provided with a third pressure sensor connected with the control device. .
Furthermore, the detection box is provided with an infrared distance meter connected with the control device and is opposite to the head of the stress rod.
Furthermore, the detection box is arranged on the other side of the base through the adjusting device,
the adjusting device comprises a sliding groove which is horizontally and transversely arranged between the contact surfaces of the detection box and the base.
Still further, the adjusting device further comprises a screw rod horizontally and transversely arranged in the base and in toothed connection with the bottom surface of the detection box.
The detection method of the detection device for the reinforced steel sheet of the FPC comprises the following steps:
s1, placing the circuit board reinforced with the steel sheet in a board cavity, closing the die and pressing by a hydraulic rod;
s2, respectively abutting the push rod and the rod head against two side surfaces of the steel sheet;
s3, applying thrust to the push rod to push the steel sheet;
and S4, taking the signal fed back by the infrared distance meter as an intercept point, and obtaining the corresponding thrust, namely the reinforcement of the steel sheet.
The abutment of the head includes:
a1, adjusting a nut, so that a limiting block presses a spring and the feedback elasticity of the spring through a second pressure sensor is 0;
a2, adjusting a screw rod, moving the detection box, linking the rod head to abut against the steel sheet, and feeding back the abutting force to be 0 through a third pressure sensor.
The invention has the advantages that:
a detection device and method of FPC flexible line way board reinforcement steel sheet, through exerting the thrust from the side of the steel sheet, use the steel sheet to be pushed the displacement as the intercept, in order to obtain the reinforcement force of the steel sheet; the screw rod moves the detection box and then is linked with the stress rod to move, so that the displacement of the rod head is adjusted; the nut on the top of the detection box is moved to adjust the reference position of the stress rod relative to the detection box, and meanwhile, errors caused by the deformation of the spring can be eliminated.
The detection device and the method of the invention have simple structure, convenient use, long-term use and high detection precision, and combine the applied thrust modes, such as: the reinforcing strength with different dimensionalities can be obtained by combining time, and the reinforcing device has strong practicability and wide applicability.
Drawings
Fig. 1 is a schematic structural diagram of a detection device.
Fig. 2 is a schematic structural diagram of the closing of the upper die and the lower die.
The designations in the drawings have the following meanings: 1. the device comprises a base, 2, a lower die, 3, a circuit board, 4, a steel sheet, 5, an upper die, 6, a hydraulic rod, 7, a push head, 8, a first pressure sensor, 9, a motor, 10, a rod head, 11, a third pressure sensor, 12, a nut, 13, a spring, 14, a second pressure sensor, 15, a detection box, 16, a screw rod, 17 and an infrared distance meter.
Detailed Description
The invention is described in detail below with reference to the figures and the embodiments.
A detection device for a reinforced steel sheet of an FPC (flexible printed circuit) comprises a base 1, a die, a hydraulic rod 6, a push rod and a stress device.
The die comprises an upper die 5 and a lower die 2 which are matched, the top surface of the lower die is provided with a plate cavity matched with the circuit board 3, and the bottom surface of the upper die is horizontally and transversely provided with a bottom groove; and the spacing (width) of the bottom grooves is smaller than the spacing (width) of the plate cavities. The lower die is arranged in a die cavity on the top surface of the base, and the upper die is suspended at the top of the lower die through a hydraulic rod.
And a push rod driven by a control device through a motor 9 is arranged on one side of the base along the horizontal direction, a push head of the push rod is over against one side surface of the steel sheet 4, and a first pressure sensor 8 connected with the control device is arranged on the end surface of the push head. And the bottom surface of the push head 7, the bottom surface of the steel sheet and the top surface of the lower die are in the same horizontal plane.
The other side of the base is provided with a stress device which comprises a stress rod and a detection box; the bottom surface of the detection box is provided with a slide block matched with a slide groove which is arranged on the top surface of the base along the horizontal direction, a screw rod 16 which is arranged along the horizontal direction is arranged in the base, and the thread of the screw rod is in tooth joint with the bottom surface of the detection box; the sliding groove and the screw form an adjusting device. The head 10 of the stress rod is over against the other side of the steel sheet, the rod body penetrates through the detection box, the rod body in the detection box is sleeved with a spring 13, one end of the spring, which is close to the steel sheet, is abutted against a limiting block on the rod body, and the other end of the spring is abutted against a second pressure sensor 14 which is arranged on the wall of the detection box and connected with the control device; preferably, the top surface of the detection box is horizontally and transversely provided with a nut screw groove, and a nut 12 with the bottom arranged at the end of the limiting block far away from the spring is arranged in the detection box. The detection box 15 is provided with an infrared distance meter 17 connected with a control device and is opposite to the head of the stress rod.
Preferably, the end face of the head is provided with a third pressure sensor 11 connected to the control device.
The detection method comprises the following steps:
s1, placing the circuit board reinforced with the steel sheet in the board cavity, driving the hydraulic rod to press down by the control device to link the upper die to descend, and closing the die;
s2, respectively abutting the push rod and the rod head against two side surfaces of the steel sheet; wherein, the laminating of pole head includes:
a1, adjusting the nut along the nut screw groove to enable the limiting block to press the spring, obtaining the pressed elastic force of the spring through the feedback of the second pressure sensor, and then reversely adjusting the nut to enable the feedback elastic force of the second pressure sensor to be 0;
a2, adjusting a screw rod, moving the detection box and linking the rod head to move, enabling the rod head to be abutted against the steel sheet, feeding back the abutting force through a third pressure sensor, and reversely adjusting a nut to enable the abutting force to be 0;
s3, the control device drives the push rod to apply thrust through the motor so as to push the steel sheet;
and S4, taking the signal fed back by the infrared distance meter as an intercept point, obtaining the corresponding thrust, namely the reinforcement of the steel sheet, and judging whether the thrust meets the requirement.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.
Claims (10)
1. A detection device for a reinforced steel sheet of an FPC (Flexible printed Circuit) is characterized by comprising a base, a die and a push rod;
the die comprises an upper die and a lower die which are matched; the lower die is arranged in a die cavity on the top surface of the base, and the top surface of the lower die is provided with a board cavity matched with the circuit board; the upper die is suspended at the top of the lower die through a hydraulic rod, and the bottom of the upper die is horizontally and transversely provided with a bottom groove;
when the die is closed, the circuit board is pressed in the board cavity by the bottom slot wall, and the steel sheet on the circuit board is arranged in the bottom slot;
a push head of a push rod which is arranged on one side of the base and driven by the control device is over against one side surface of the steel sheet along the bottom groove, and a first pressure sensor connected with the control device is arranged on the end surface of the push head.
2. The detecting device for the reinforced steel sheet of the FPC as recited in claim 1, wherein the bottom surface of the pushing head, the bottom surface of the steel sheet, and the top surface of the lower mold are in the same horizontal plane.
3. The detection device of the reinforced steel sheet of the FPC as recited in claim 1, wherein a stress device is disposed on the other side of the base, comprising: the head of the rod is opposite to the stress rod on the other side surface of the steel sheet;
the body of the stress rod penetrates through the detection box, the body of the stress rod is sleeved with the spring, one end of the spring, which is close to the steel sheet, is abutted against the limiting block on the body of the stress rod, and the other end of the spring is abutted against the second pressure sensor arranged on the wall of the detection box;
the second pressure sensor is connected with the control device.
4. The device for detecting the reinforced steel sheet of the FPC flexible circuit board as recited in claim 3, wherein a nut groove is horizontally and transversely formed on the top surface of the detection box, and a nut is arranged in the detection box, and the bottom of the nut is arranged at the end of the limit block, which is far away from the spring.
5. The detecting device for the reinforced steel sheet of the FPC as recited in claim 3, wherein a third pressure sensor connected to the control device is disposed on the end surface of the club head.
6. The device for detecting the reinforced steel sheet of the FPC flexible printed circuit according to claim 3, wherein the detection box is provided with an infrared distance meter connected with the control device and facing the head of the stress rod.
7. The detecting device for the reinforced steel sheet of the FPC flexible printed circuit according to claim 3, wherein the detecting box is disposed on the other side of the base through an adjusting device,
the adjusting device comprises a sliding groove which is horizontally and transversely arranged between the contact surfaces of the detection box and the base.
8. The detecting device for the reinforced steel sheet of the FPC as recited in claim 8, wherein the adjusting device further comprises a screw rod horizontally and transversely disposed in the base and engaged with the bottom surface of the detecting box.
9. The inspection method of the inspection device for the reinforced steel sheet of the FPC flexible circuit board according to claims 1-8, comprising the steps of:
s1, placing the circuit board reinforced with the steel sheet in a board cavity, closing the die and pressing by a hydraulic rod;
s2, respectively abutting the push rod and the rod head against two side surfaces of the steel sheet;
s3, applying thrust to the push rod to push the steel sheet;
and S4, taking the signal fed back by the infrared distance meter as an intercept point, and obtaining the corresponding thrust, namely the reinforcement of the steel sheet.
10. The method for detecting the FPC reinforcing steel sheet detection device according to claim 9, wherein the abutting of the rod head comprises:
a1, adjusting a nut, so that a limiting block presses a spring and the feedback elasticity of the spring through a second pressure sensor is 0;
a2, adjusting a screw rod, moving the detection box, linking the rod head to abut against the steel sheet, and feeding back the abutting force to be 0 through a third pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110695166.XA CN113504116B (en) | 2021-06-23 | 2021-06-23 | Detection device and method for reinforcing steel sheet of FPC flexible circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110695166.XA CN113504116B (en) | 2021-06-23 | 2021-06-23 | Detection device and method for reinforcing steel sheet of FPC flexible circuit board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113504116A true CN113504116A (en) | 2021-10-15 |
| CN113504116B CN113504116B (en) | 2024-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110695166.XA Active CN113504116B (en) | 2021-06-23 | 2021-06-23 | Detection device and method for reinforcing steel sheet of FPC flexible circuit board |
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| Country | Link |
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| CN (1) | CN113504116B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2747572Y (en) * | 2004-11-16 | 2005-12-21 | 上海晨兴电子科技有限公司 | Pull force-press force tester for testing strength of solder and soldering strength |
| US20130312534A1 (en) * | 2012-05-28 | 2013-11-28 | Hon Hai Precision Industry Co., Ltd. | Device and method for testing pulling force |
| CN207133179U (en) * | 2017-09-21 | 2018-03-23 | 信利光电股份有限公司 | A kind of bonding force test device of Ring rings and FPC wiring boards |
| CN209372664U (en) * | 2018-12-27 | 2019-09-10 | 深圳市哥拜尔涂料股份有限公司 | A kind of device measuring material surface degree of adhesion |
| CN210604340U (en) * | 2019-09-06 | 2020-05-22 | 华显光电技术（惠州）有限公司 | Bonding force test fixture and bonding force test device |
| CN211825616U (en) * | 2020-03-20 | 2020-10-30 | 深圳市华峥科技有限公司 | Adhesive force testing device with Ring and FPC circuit board |
| CN212653302U (en) * | 2020-06-09 | 2021-03-05 | 欧菲微电子技术有限公司 | Clamping jig and thrust testing device |
| CN212780450U (en) * | 2020-07-09 | 2021-03-23 | 湖北益鑫宝电子科技有限公司 | Sticking strength testing device of FPC reinforcement steel sheet |
-
2021
- 2021-06-23 CN CN202110695166.XA patent/CN113504116B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2747572Y (en) * | 2004-11-16 | 2005-12-21 | 上海晨兴电子科技有限公司 | Pull force-press force tester for testing strength of solder and soldering strength |
| US20130312534A1 (en) * | 2012-05-28 | 2013-11-28 | Hon Hai Precision Industry Co., Ltd. | Device and method for testing pulling force |
| CN207133179U (en) * | 2017-09-21 | 2018-03-23 | 信利光电股份有限公司 | A kind of bonding force test device of Ring rings and FPC wiring boards |
| CN209372664U (en) * | 2018-12-27 | 2019-09-10 | 深圳市哥拜尔涂料股份有限公司 | A kind of device measuring material surface degree of adhesion |
| CN210604340U (en) * | 2019-09-06 | 2020-05-22 | 华显光电技术（惠州）有限公司 | Bonding force test fixture and bonding force test device |
| CN211825616U (en) * | 2020-03-20 | 2020-10-30 | 深圳市华峥科技有限公司 | Adhesive force testing device with Ring and FPC circuit board |
| CN212653302U (en) * | 2020-06-09 | 2021-03-05 | 欧菲微电子技术有限公司 | Clamping jig and thrust testing device |
| CN212780450U (en) * | 2020-07-09 | 2021-03-23 | 湖北益鑫宝电子科技有限公司 | Sticking strength testing device of FPC reinforcement steel sheet |
Non-Patent Citations (2)
| Title |
|---|
| YE SU等: "Swift perspective shape matching algorithm based on Phong’s model for FPC stiffener bonding systems", 《CIRCUIT WORLD》, pages 141 * |
| 孙国栋等: "FPC补强片贴片质量视觉检测系统设计", 《应用光学》, pages 942 - 947 * |
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| Publication number | Publication date |
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| CN113504116B (en) | 2024-09-27 |
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Effective date of registration: 20240902 Address after: 247100 Plot A, Zhanqian District, Chizhou City, Anhui Province, China. International Trade City Phase I Professional Market Comprehensive Building 5, 130th, 130th, 2nd, and 3rd floors Applicant after: Chizhou Guiqian Information Technology Co.,Ltd. Country or region after: China Address before: 223000 No. 17, Jixian Road, economic development zone, Huai'an City, Jiangsu Province Applicant before: Huai'an Ditai Huamao Precision Technology Co.,Ltd. Country or region before: China |
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