Five-point moving contact type thickness gauge

Abstract

The utility model discloses a five-point moving contact type thickness gauge which comprises a rack and a computer with a controller, a test table top is arranged on the top of the rack in a suspension mode, first sliding rails are arranged on the rack and located on the two sides of the test table top respectively, and a test base is arranged between the two first sliding rails in a sliding mode. A driving mechanism connected with the testing base is arranged on the outer side of the first sliding rail on the machine frame, the testing base comprises a frame body and a fixing plate arranged on the front end face of the frame body, a long-strip-shaped through hole is formed in the lower portion of the fixing plate, the testing table board penetrates through the long-strip-shaped through hole in a suspended mode, and five sets of thickness gauges are arranged at the front end of the fixing plate side by side. Each group of thickness gauges comprises two air cylinder brackets which are symmetrically arranged above and below the long-strip-shaped through hole and are provided with air cylinders, a contact type thickness gauge which is arranged at the telescopic end of the upper air cylinder and is provided with an upper probe, and a lower probe which is arranged at the telescopic end of the lower air cylinder, and the upper probe and the lower probe are oppositely arranged; and the test table board is positioned between the upper probe and the lower probe. According to the utility model, the thickness can be measured without moving the substrate, and the measurement precision is high.

Description

Technical Field

[0001] The utility model relates to a thickness gauge, in particular to a 5-point moving contact thickness gauge. Background Art

[0002] This equipment is used in the high-end, high-frequency copper clad laminate (CCL) industry. This type of application requires extremely high thickness uniformity of the plate. Currently, there are two types of thickness gauges in the industry: one is a single-point contact thickness gauge, and the other is a three-group, nine-point laser thickness gauge. These two types of thickness gauges cannot meet the quality control requirements of high-frequency copper clad laminates, as follows:

[0003] 1. Single-point contact thickness gauge: Equipped with a high-precision sensor, it can achieve precise detection and analysis of thickness uniformity. However, it only measures one point at a time, which is inefficient. Moreover, the substrate needs to be moved for measurement, which can easily cause the surface of the substrate to be tested to be scratched, resulting in product defects, and cannot be used for mass production.

[0004] 2. Laser thickness gauge: It can measure in motion or at rest, and the number of test points can be set by yourself. It is very convenient and large-scale. However, since laser testing has very high requirements for the flatness, surface color, surface roughness, powder residue, and lighting environment of the product, the actual test results are very different from the accuracy of the instrument. The actual accuracy is above ±0.005. At present, the laser thickness measurement function of the entire industry is only used to detect whether the specifications and quantity of internal materials are incorrect, and to screen out insufficient edge thickness due to severe glue flow during pressing. The suspicious products screened out still need to be finally confirmed by a contact thickness gauge, and cannot be used for strict thickness control and analysis of product thickness uniformity. Utility Model Content

[0005] The utility model aims to overcome the deficiencies of the prior art and provide a 5-point mobile contact thickness gauge to solve the problems of easy abrasion of substrates and low precision.

[0006] To achieve the above-mentioned object, the technical solution adopted by the present invention is as follows: a 5-point mobile contact thickness gauge, comprising a frame and a computer with a controller, a test table suspended on the top of the frame, a first slide rail provided on each side of the test table on the frame, a test base slidable along the first slide rails provided between the two first slide rails, a drive mechanism connected to the test base controlled by the controller provided on the outer side of the first slide rails on the frame, the test base comprising a frame and a fixed plate provided on the front end surface of the frame, a long strip through-hole provided at the lower portion of the fixed plate, the test table suspended through the long strip through-hole, five groups of thickness gauges provided side by side at the front end of the fixed plate, each group of thickness gauges comprising two cylinder brackets symmetrically arranged above and below the long strip through-hole, a cylinder controlled by the controller and arranged on the corresponding cylinder bracket, a contact thickness gauge with an upper probe provided on the telescopic end of the upper cylinder, and a lower probe provided on the telescopic end of the lower cylinder, the upper probe and the lower probe being arranged opposite to each other, and the test table being located between the upper probe and the lower probe.

[0007] Furthermore, a second slide rail is provided on each side of the fixed plate, a second slide block is provided on the second slide rail, a connecting plate is provided on the second slide block, and the cylinder brackets of the thickness gauges on the left and right sides of the five groups of thickness gauges are respectively arranged on the corresponding connecting plates, and the cylinder brackets of the three middle groups of thickness gauges are fixed on the fixed plate.

[0008] Furthermore, two second slide rails are symmetrically provided on the same side of the fixed plate, and a U-shaped opening is laterally provided on the side of the second slider close to the thickness gauge, and the two second slide rails are respectively arranged above and below the U-shaped opening.

[0009] Furthermore, the width of the U-shaped opening is greater than or equal to the width of the elongated through hole.

[0010] Furthermore, the upper part of the frame is laterally provided with a first screw rod, a second screw rod and a third screw rod connected in sequence, one end of the first screw rod passes through the side of the frame and is rotatably connected to it, and the other end is connected to the second screw rod through a coupling, one end of the second screw rod is connected to the first screw rod, and the other end is connected to the third screw rod through a coupling, one end of the three screw rods is connected to the second screw rod, and the other end is rotatably set on the side wall of the frame, the first screw rod and the third screw rod are respectively threadedly connected to the corresponding cylinder brackets on the left and right sides through connecting blocks, one end of the first screw rod is provided with a handle handwheel, and the thread of the first screw rod is opposite to the thread of the third screw rod.

[0011] Furthermore, the test table is provided with 5 rows of detection holes arranged side by side, and the detection holes are long strips, wherein the two rows of detection holes on the left and right sides are arranged horizontally, and the three rows of detection holes in the middle are arranged vertically. Each column is provided with multiple detection holes, and the upper probes and lower probes of the same group are detected through the detection holes.

[0012] Furthermore, a first slider is slidably provided on the first slide rail, and an L-shaped connecting block is provided on each side of the frame. One end of the L-shaped connecting block is fixed to the outer side wall of the frame, and the other end is fixed to the corresponding first slider.

[0013] Furthermore, the driving mechanism includes a servo motor and a transmission shaft arranged at the output end of the servo motor, a driving wheel is provided at each end of the transmission shaft, a driven wheel is provided on each side of the frame away from one end of the motor, a transmission belt is provided between the driving wheel and the corresponding driven wheel, and the other end of the connecting block is fixed on the corresponding transmission belt.

[0014] Furthermore, the contact thickness gauge adopts a linear displacement sensor.

[0015] The utility model adopts the above structure to achieve the following beneficial effects: the utility model provides a 5-point mobile contact thickness gauge, which adopts 5 groups of test probes and can measure any group of data. The detection accuracy is ≤±0.002, which greatly improves the test efficiency and is not affected by materials and environment. It can be used for batch production as well as for research and development analysis. The substrate does not need to be moved during testing, which effectively solves the problem of substrate abrasion and eliminates the risk of scratches and plate materials caused by traditional single-point thickness measurement. At the same time, the device can be used for manual loading and unloading to realize small-batch production and plate thickness analysis, and can also be used in conjunction with a transfer machine or a manipulator to realize mass production and plate thickness analysis, thereby improving detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The technical solution of the utility model is further described below with reference to the accompanying drawings:

[0017] Figure 1 The figure is a schematic structural diagram of the 5-point mobile contact thickness gauge of the present invention without the computer.

[0018] Figure 2 This is a structural schematic diagram of the 5-point mobile contact thickness gauge described in the present utility model.

[0019] Figure 3 This is a structural schematic diagram of the test base described in the utility model.

[0020] Figure 4 This is a structural schematic diagram of the back side of the test base described in the present invention.

[0021] Figure 5 This is a structural schematic diagram of the 5-point mobile contact thickness gauge of the present invention without the frame.

[0022] Among them: 1. rack; 2. computer; 3. test table; 4. first slide rail; 5. test base; 6. drive mechanism; 7. frame; 8. fixing plate; 9. long strip through hole; 10. cylinder bracket; 11. cylinder; 12. upper probe; 13. contact thickness gauge; 14. lower probe; 15. second slide rail; 16. second slider; 17. connecting plate; 18. U-shaped opening; 19. first screw rod; 20. second screw rod; 21. third screw rod; 22. coupling; 23. connecting block; 24. handle handwheel; 25. detection hole; 26. first slider; 27. L-shaped connecting block; 28. servo motor; 29. ​​transmission shaft; 30. driving wheel; 31. driven wheel; 32. transmission belt; 33. base plate. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of this application.

[0024] Aiming at the needs of cutting machines, the designer of the utility model innovatively proposes a 5-point mobile contact thickness gauge, which can measure the thickness without moving the substrate and has high measurement accuracy.

[0025] like Figures 1 to 5 As shown, a 5-point mobile contact thickness gauge includes a frame 1 and a computer 2 with a controller. A test table 3 is suspended on the top of the frame 1. A first slide rail 4 is provided on each side of the test table 3 on the frame 1. A test base 5 that can slide along the first slide rails 4 is provided between the two first slide rails 4. A driving mechanism 6 connected to the test base 5 by the controller is provided on the outer side of the first slide rail 4 on the frame 1. The test base 5 includes a frame 7 and a fixing plate 8 provided on the front end surface of the frame 7. The fixing plate 8 has a long strip through hole 9 at the lower portion. The test table 3 is suspended through the long strip through hole 9, and 5 groups of thickness gauges are arranged side by side at the front end of the fixed plate 8. Each group of thickness gauges includes two cylinder brackets 10 symmetrically arranged above and below the long strip through hole 9, a cylinder 11 controlled by a controller and arranged on the corresponding cylinder bracket 10, a contact thickness gauge 13 with an upper probe 12 arranged on the telescopic end of the upper cylinder 11, and a lower probe 14 arranged on the telescopic end of the lower cylinder 11. The upper probe 12 and the lower probe 14 are arranged opposite to each other, and the test table 3 is located between the upper probe 12 and the lower probe 14.

[0026] A second slide rail 15 is provided on each side of the fixed plate 8, a second slide rail 15 is provided on the second slide block 16, and a connecting plate 17 is provided on the second slide block 16. The cylinder brackets 10 of the thickness gauges on the left and right sides of the five groups of thickness gauges are respectively arranged on the corresponding connecting plates 17, and the cylinder brackets 10 of the three middle groups of thickness gauges are fixed on the fixed plate 8.

[0027] Two second slide rails 15 are symmetrically provided on the same side of the fixing plate 8 . A U-shaped opening 18 is laterally provided on the side of the second slider 16 close to the thickness gauge. The two second slide rails 15 are respectively arranged above and below the U-shaped opening 18 .

[0028] The width of the U-shaped opening 18 is greater than or equal to the width of the long strip through hole 9 .

[0029] The upper part of the frame 7 is laterally provided with a first screw rod 19, a second screw rod 20 and a third screw rod 21 connected in sequence. One end of the first screw rod 19 passes through the side of the frame 7 and is rotatably connected thereto, and the other end is connected to the second screw rod 20 through a coupling 22. One end of the second screw rod 20 is connected to the first screw rod 19, and the other end is connected to the third screw rod 21 through a coupling 22. One end of the three screw rods is connected to the second screw rod 20, and the other end is rotatably set on the side wall of the frame 7. The first screw rod 19 and the third screw rod 21 are respectively threadedly connected to the corresponding cylinder brackets 10 on the left and right sides through a connecting block 23. A handle handwheel 24 is provided at one end of the first screw rod 19. The thread of the first screw rod 19 is opposite to the thread of the third screw rod 21. The screw rod is driven to rotate by rotating the handle handwheel 24. The position of the cylinder brackets 10 on the left and right sides can be adjusted by rotating the screw rod and moved inward or outward at the same time.

[0030] The test table 3 is provided with 5 rows of detection holes 25 arranged side by side. The detection holes 25 are long strips, wherein the two rows of detection holes 25 on the left and right sides are arranged horizontally, and the three rows of detection holes 25 in the middle are arranged vertically. Each row is provided with multiple detection holes 25. The upper probe 12 and the lower probe 14 of the same group are detected through the detection holes 25.

[0031] A first slider 26 is slidably provided on the first slide rail 4 , and an L-shaped connecting block 27 is provided on each side of the frame 7 . One end of the L-shaped connecting block 27 is fixed to the outer wall of the frame 7 , and the other end is fixed to the corresponding first slider 26 .

[0032] The driving mechanism 6 includes a servo motor 28 and a transmission shaft 29 arranged at the output end of the servo motor 28, a driving wheel 30 is provided at each end of the transmission shaft 29, and a driven wheel 31 is provided on each side of the frame 1 away from the motor end. A transmission belt 32 is provided between the driving wheel 30 and the corresponding driven wheel 31, and the other end of the connecting block 23 is fixed to the corresponding transmission belt 32.

[0033] The contact thickness gauge 13 adopts a linear displacement sensor.

[0034] Before use, set the size of the plate to be measured and the test point requirements, and set the test data. When in use, place the substrate 33 to the specified position of the test table 3 manually, by a transfer machine, or by a robot. Then, give instructions manually or by a PLC controller, start the servo motor 28 to drive the transmission belt 32, and move the test base 5 with 5 sets of thickness gauges to the measuring position, drive the upper cylinder 11 and the lower cylinder 11 to move, so that the upper probe 12 and the lower probe 14 pass through the detection hole 25 and contact the substrate 33 for thickness detection, and transmit the inspection data to the controller computer 2 for storage. After completing the detection of the set points in sequence, it returns to the origin and gives an OK or NG judgment result according to the set specifications. Finally, the substrate 33 is removed from the test table by a manual or transfer machine or a robot, and placed at the specified material level according to the judgment requirements. The test report is stored and printed as required.

[0035] The utility model adopts the above structure to achieve the following beneficial effects: the utility model provides a 5-point mobile contact thickness gauge, which adopts 5 groups of test probes and can measure any group of data. The detection accuracy is ≤±0.002, which greatly improves the test efficiency and is not affected by materials and environment. It can be used for batch production as well as for research and development analysis. The substrate does not need to be moved during testing, which effectively solves the problem of substrate abrasion and eliminates the risk of scratches and plate materials caused by traditional single-point thickness measurement. At the same time, the device can be used for manual loading and unloading to realize small-batch production and plate thickness analysis, and can also be used in conjunction with a transfer machine or a manipulator to realize mass production and plate thickness analysis, thereby improving detection efficiency.

[0036] As described above, the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A 5-point mobile contact thickness gauge, comprising a frame and a computer with a controller, characterized in that: A test table is suspended on the top of the frame, and a first slide rail is provided on the frame at both sides of the test table, and a test base that can slide along the first slide rail is provided between the two first slide rails, and a driving mechanism connected to the test base by a controller is provided on the frame at the outer side of the first slide rail. The test base includes a frame body and a fixing plate arranged on the front end surface of the frame body, and a long strip through-hole is provided at the lower portion of the fixing plate, and the test table is suspended through the long strip through-hole, and five groups of thickness gauges are arranged side by side at the front end of the fixing plate, each group of thickness gauges includes two cylinder brackets symmetrically arranged above and below the long strip through-hole, a cylinder controlled by the controller and arranged on the corresponding cylinder bracket, a contact thickness gauge with an upper probe provided on the telescopic end of the upper cylinder, and a lower probe provided on the telescopic end of the lower cylinder, the upper probe and the lower probe are arranged opposite to each other, and the test table is located between the upper probe and the lower probe.

2. The five-point moving contact thickness gauge according to claim 1, characterized in that: A second slide rail is provided on each side of the fixed plate, a second slide block is provided on the second slide rail, and a connecting plate is provided on the second slide block. The cylinder brackets of the thickness gauges on the left and right sides of the five groups of thickness gauges are respectively arranged on the corresponding connecting plates, and the cylinder brackets of the three middle groups of thickness gauges are fixed on the fixed plate.

3. The five-point moving contact thickness gauge according to claim 2, characterized in that: Two second slide rails are symmetrically arranged on the same side of the fixed plate, and a U-shaped opening is horizontally provided on the side of the second sliding block close to the thickness gauge. The two second slide rails are respectively arranged above and below the U-shaped opening.

4. The five-point moving contact thickness gauge according to claim 3, wherein: The width of the U-shaped opening is greater than or equal to the width of the long strip through hole.

5. The five-point moving contact thickness gauge according to claim 3, wherein: The upper part of the frame is laterally provided with a first screw rod, a second screw rod and a third screw rod connected in sequence, one end of the first screw rod passes through the side of the frame and is rotatably connected to it, and the other end is connected to the second screw rod through a coupling, one end of the second screw rod is connected to the first screw rod, and the other end is connected to the third screw rod through a coupling, one end of the three screw rods is connected to the second screw rod, and the other end is rotatably set on the side wall of the frame, the first screw rod and the third screw rod are respectively threadedly connected to the corresponding cylinder brackets on the left and right sides through connecting blocks, one end of the first screw rod is provided with a handle handwheel, and the thread of the first screw rod is opposite to the thread of the third screw rod.

6. The five-point moving contact thickness gauge according to claim 1, wherein: The test table is provided with 5 rows of detection holes arranged side by side. The detection holes are long strips, of which the two rows of detection holes on the left and right sides are arranged horizontally, and the three rows of detection holes in the middle are arranged vertically. Each row is provided with multiple detection holes, and the upper probes and lower probes of the same group are detected through the detection holes.

7. The five-point moving contact thickness gauge according to claim 1, wherein: A first sliding block is slidably provided on the first slide rail, and an L-shaped connecting block is provided on each side of the frame. One end of the L-shaped connecting block is fixed to the outer side wall of the frame, and the other end is fixed to the corresponding first sliding block.

8. The five-point moving contact thickness gauge according to claim 7, characterized in that: The driving mechanism includes a servo motor and a transmission shaft arranged at the output end of the servo motor, a driving wheel is provided at each end of the transmission shaft, a driven wheel is provided on each side of the frame away from the motor end, a transmission belt is provided between the driving wheel and the corresponding driven wheel, and the other end of the connecting block is fixed on the corresponding transmission belt.

9. The five-point moving contact thickness gauge according to claim 1, wherein: The contact thickness gauge adopts a linear displacement sensor.

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