Flatness testing device for aluminum-based copper-clad plate

Abstract

The utility model relates to the field of aluminum-based copper-clad plate detection, in particular to an aluminum-based copper-clad plate flatness testing device. Comprising a fixing frame, a supporting piece is further arranged on the inner wall of the fixing frame, and the supporting piece further comprises a first motor, a rotating shaft, a fixing plate and a fastening plate; the rotating shaft is connected with a first motor so as to complete 180-degree overturning operation of the fixed plate; a vertical plate is further arranged on one side of the fixing frame; a test piece is further arranged on the vertical plate and comprises a second motor, a driving shaft, a base block, a sliding shaft, a mounting plate and an infrared distance measuring sensor; the base block is mounted on the driving shaft in a sleeving manner and is in threaded connection with the driving shaft; the plurality of infrared distance measuring sensors are uniformly distributed and are arranged on the mounting plate; the infrared distance measuring sensor is further connected with an LED display screen, and the LED display screen is used for displaying distance measuring parameters under the coordinate position and installed on the vertical plate. The aluminum-based copper-clad plate thickness testing device is reasonable in structural design, can complete double-sided flatness testing of an aluminum-based copper-clad plate, and realizes automatic, rapid and efficient thickness testing operation of the aluminum-based copper-clad plate.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum-based copper clad laminate testing, and particularly relates to a flatness testing device for aluminum-based copper clad laminates. Background Art

[0002] An aluminum-based copper clad laminate is a metal-based copper clad laminate with good heat dissipation function. Generally, a single-sided board consists of three layers, namely a circuit layer (copper foil), an insulating layer and a metal base layer. It is commonly used in LED lighting products. It has two sides. The white side is for soldering LED pins, and the other side shows the natural color of aluminum. Generally, a heat-conducting paste is applied and then it is in contact with the heat-conducting part.

[0003] However, the aluminum-based copper clad laminate after hot pressing needs to be tested for a series of parameters to judge the qualification and quality of the aluminum-based copper clad laminate product. For example, whether the nominal thickness and deviation of the aluminum-based copper clad laminate after hot pressing meet the standard, whether there is an inconsistent flatness phenomenon, and the warpage degree is the height of the printed board warpage / the length of the printed board bending. Among them, usually when the thickness of the aluminum-based copper clad laminate is above 1.0 mm, the thickness tolerance is -0.1 mm to +0.1 mm; when the thickness of the aluminum-based copper clad laminate is below 1.0 mm, the thickness tolerance is -0.05 mm to +0.05 mm. However, the traditional testing methods all use manual measurement, data recording and calculation of the difference to judge whether it meets the thickness standard of the hot-pressed aluminum-based copper clad laminate. This method is time-consuming and laborious, and seriously restricts the testing operation efficiency of the aluminum-based copper clad laminate.

[0004] Searching the prior art "CN 204739987 U, Aluminum Substrate V-Groove Depth and Flatness Testing Table", it is recorded that "The utility model discloses an aluminum substrate V-groove depth and flatness testing table, including an operation plane and a depth gauge mechanism. The number of the depth gauge mechanisms is 6 groups, which are symmetrically arranged at both ends of the operation plane respectively. The depth gauge mechanism includes a support frame, a micrometer, a measuring guide rod and a probe. The support frame is an inverted L shape. One end of the support frame is fixed on the side of the operation plane, the top of the other end of the support frame is provided with a micrometer, and the bottom is provided with a measuring guide rod. The measuring guide rod is connected with the micrometer through an elastic mechanism, and the probe is arranged at the bottom of the measuring guide rod. The utility model aims to solve the problems of low measuring efficiency and inaccurate measuring data existing in the measuring device for the V-groove depth and flatness of the existing aluminum substrate".

[0005] However, the flatness test bench structure of the above-mentioned aluminum substrate is relatively simple, and the flatness test effect on the aluminum-based copper clad laminate is average. By measuring the cooperation between the guide rod and the micrometer, the test accuracy is low, and it is not convenient for the tester to take direct readings. That is, it is impossible to intuitively and efficiently judge whether the flatness of the current aluminum-based copper clad laminate is consistent and whether it meets the quality requirements. Further, the flatness test bench for the above-mentioned aluminum-based copper clad laminate can only perform single-sided testing of the aluminum-based copper clad laminate. If double-sided detection is required, manual disassembly and assembly are needed, which is time-consuming and laborious. Summary of the Invention

[0006] In order to solve the above-mentioned disadvantages and deficiencies of the prior art in the flatness test of aluminum-based copper clad laminates, the present utility model provides an aluminum-based copper clad laminate flatness test device with a reasonable structural design, which can realize automatic, rapid and efficient thickness testing operations of aluminum-based copper clad laminates, can complete double-sided flatness testing of aluminum-based copper clad laminates, and improve the test accuracy and test efficiency.

[0007] To achieve the above object, the present utility model adopts the following technical solution: An aluminum-based copper clad laminate flatness test device includes a fixed frame. The fixed frame is a rectangular frame structure with a through structure in the center. A support member is further provided on the inner wall of the fixed frame. The support member further includes a first motor, a rotating shaft, a fixing plate, and a tightening plate. The first motor is arranged on the fixed frame through a bracket and has a locking function. The rotating shafts are distributed left and right and can rotate relative to the side wall of the fixed frame. The rotating shafts are connected to the first motor to complete the 180-degree flipping operation of the fixing plate. The fixing plate is of a concave structure, and one side is fixedly connected to the rotating shaft by welding. The tightening plate is movably arranged up and down in the fixing plate to complete the installation of the aluminum-based copper clad laminate with a preset tightening force. A vertical plate is further provided on one side of the fixed frame. The vertical plate is of an L-shaped structure, and wing plates are provided on both the left and right sides of the top wall of the vertical plate. A test member is further provided on the vertical plate. The test member includes a second motor, a driving shaft, a base block, a sliding shaft, a mounting plate, and an infrared distance sensor. The second motor is installed on the vertical plate through a bracket. The driving shafts are distributed left and right and rotatably arranged between the two wing plates. The driving shafts are connected to the output shaft of the second motor. The base block is sleeved and installed on the driving shaft, and the two are connected by threads. The sliding shaft is arranged on the wing plate and is parallel to the driving shaft. The sliding shaft penetrates through the base block, and the two are in sliding connection. The mounting plates are distributed front and back and are connected to the base block by bolts. The infrared distance sensors are multiple and evenly distributed and are arranged on the mounting plate. The infrared distance sensor is further connected to a display screen. The display screen is used to display the ranging parameters at the coordinate position and is installed on the vertical plate.

[0008] As a preferred technical solution: Four uniformly distributed support legs are further provided below the fixed frame.

[0009] Further preferred technical solution: The support member further includes a cylinder and a support rod; the cylinder is arranged on the fixed frame, the support rods are distributed front and back and are slidably arranged on the fixed frame, and the support rods are connected to the cylinder to drive the support rods to expand and contract; in the initial tightened state of the aluminum-based copper clad laminate, the lower end surface of the aluminum-based copper clad laminate contacts the support rod.

[0010] Further preferred technical solution: A vertically distributed rotating rod is also provided on one side of the tightening plate, and the two are connected by a bearing; the rotating rod passes through the upper side wall of the fixing plate, and the two are threadedly connected.

[0011] Further preferred technical solution: A rotating knob is also provided at one end of the rotating rod.

[0012] Further preferred technical solution: A guide rod is also provided on one side of the tightening plate, a vertically distributed guide groove is provided on one side of the fixing plate, and the guide rod is fitted and installed with the guide groove.

[0013] The beneficial effects of the present utility model compared with the prior art are as follows: The flatness testing device has a reasonable structural design and high testing accuracy; by adopting the cooperation of the second motor, the driving shaft, the base block, the sliding shaft, the mounting plate and the infrared distance measuring sensor, the infrared distance measuring sensors are distributed in a single row and multiple in number, and multiple distance parameter signals can be collected simultaneously. When the second motor starts, it will drive the infrared distance measuring sensors to move continuously, and then measure and record multiple distance parameters and record them, and the abnormal parameter indicators can be judged through the initial set value, and then whether the flatness of the aluminum-based copper clad laminate surface is consistent can be judged, and it is visually displayed on the display screen, and the testing staff can view it intuitively and conveniently, and the testing efficiency is higher; at the same time, further adopting the cooperation of the first motor, the rotating shaft, the fixing plate and the tightening plate, the double-sided flatness test of the aluminum-based copper clad laminate can be quickly completed, improving the testing efficiency of the aluminum-based copper clad laminate and avoiding the problem of time-consuming and laborious disassembly and assembly in the prior art. Description of the Drawings

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0015] Figure 1 It is a three-dimensional view of the overall structure of the present utility model;

[0016] Figure 2 is Figure 1 the enlarged view of the structure of part A in

[0017] Figure 3Distribution diagram of the infrared ranging sensor of the present utility model.

[0018] In the figure: 1, fixing bracket; 101, support leg; 2, support member; 201, first motor; 202, rotating shaft; 203, fixing plate; 204, fastening plate; 205, cylinder; 206, support rod; 207, rotating rod; 208, rotating knob; 209, guide rod; 210, guide groove; 3, vertical plate; 4, side wing plate; 5, test piece; 501, second motor; 502, driving shaft; 503, base block; 504, sliding shaft; 505, mounting plate; 506, infrared ranging sensor; 6, display screen. Detailed implementation manners

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0020] It should be noted that in the detailed implementation manners of the present utility model, relational terms such as "first" and "second" that may appear are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or sequence between these entities or operations. Moreover, relational terms such as "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to this process, method, article or device. Without further limitations, elements defined by the statement "including a..." etc. do not exclude the presence of additional identical elements in the process, method, article or device including the said element.

[0021] In the description of the present utility model, unless otherwise clearly defined and limited, relational terms such as "install", "connect", "be connected with", "be provided with" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0022] Embodiment: As Figures 1 to 3As shown: A flatness testing device for aluminum-based copper clad laminates includes a fixing frame 1. The fixing frame 1 is a rectangular frame structure with a through structure in the center, facilitating the placement and flipping operation of the aluminum-based copper clad laminate. The fixing frame is distributed on the left and right. Four uniformly distributed support legs 101 are also provided below the fixing frame 1. This setting provides good stability. At the same time, adjusting bolts are provided at the feet of the support legs, and threaded holes are provided at the lower ends of the support legs. The adjusting bolts are installed in matching with the threaded holes, and rubber caps are provided at the ends of the adjusting bolts. This setting is used to adjust the level and is suitable for the situation where the factory floor is uneven.

[0023] As Figure 1 shown: Support members 2 are also provided on the inner wall of the fixing frame 1. The support members are two groups symmetrically distributed on the left and right, facilitating the flipping operation. The support member 2 further includes a first motor 201, a rotating shaft 202, a fixing plate 203, and a fastening plate 204. The first motor 201 is arranged on the fixing frame 1 through a bracket and has a locking function; that is, when the first motor is in a non-start state, the rotating shaft is locked and will not shake. And the first motor uses a servo control motor, and the rotation angle is more accurate. The rotating shafts 202 are distributed on the left and right and can rotate relative to the side wall of the fixing frame. Specifically, the rotating shaft can rotate relative to the fixing frame through a keyway and cannot move relative to each other. The rotating shaft 202 is connected to the first motor 201 to complete the 180-degree flipping operation of the fixing plate 203. The fixing plate 203 is of a concave structure, and one side is fixedly welded to the rotating shaft 202; in order to enhance the stability between the two, a reinforcing rib can be provided between the rotating shaft and the fixing plate.

[0024] As Figure 2As shown in the figure: Among them, the fastening plate 204 is movably arranged up and down within the fixed plate 203. Specifically, a guide rod 209 is also provided on one side of the fastening plate 204, and the guide rods are also distributed left and right. A vertically distributed guide groove 210 is formed on one side of the fixed plate 203. The end of the guide rod 209 is fitted and installed with the guide groove 210, and the other end is fixedly connected to the fastening plate. The purpose of such a setting is to limit the fastening plate to ensure that the fastening plate can only move up and down. A vertically distributed rotating rod 207 is also provided on one side of the fastening plate 204, and the two are connected by a bearing. The rotating rod 207 passes through the upper side wall of the fixed plate 203, and the two are in threaded connection. A rotating knob 208 is also provided at one end of the rotating rod 207. With such a setting, by rotating the rotating knob, the fastening plate can be driven to move up and down to complete the fastening and disassembly operations of the aluminum-based copper clad laminate. The support member 2 further includes a cylinder 205 and a support rod 206. The cylinder 205 is arranged on the fixed frame 1, and an air pump is arranged at the fixed frame for driving the cylinder. The support rods 206 are distributed front and back and are slidably arranged on the fixed frame 1. The support rod 206 is connected to the cylinder 205 to drive the support rod 206 to extend and retract. That is, when the cylinder is activated and extended, it will drive the entire support rod to move outward. This state is applied to the flipping operation of the aluminum-based copper clad laminate, and there is no interference between the aluminum-based copper clad laminate and the support rod. In the initial fastening state of the aluminum-based copper clad laminate, the lower end surface of the aluminum-based copper clad laminate contacts the upper end surface of the support rod 206; thus, a good support effect is formed.

[0025] As Figure 1 shown in the figure: A vertical plate 3 is also provided on one side of the fixed frame 1. The vertical plate 3 has an L-shaped structure, and wing plates 4 are provided on both the left and right sides of the top wall of the vertical plate 3. A test piece 5 is also provided on the vertical plate 3. Specifically, as Figure 1 shown in the figure: The test piece 5 includes a second motor 501, a drive shaft 502, a base block 503, a sliding shaft 504, a mounting plate 505, and an infrared distance sensor 506. The second motor 501 is installed on the vertical plate 3 through a bracket. The drive shafts 502 are distributed left and right and are rotatably arranged between the two wing plates 4. The drive shaft is connected to the wing plate through a bearing. The drive shaft 502 is connected to the output shaft of the second motor 501. As Figure 3As shown in the figure: The base block 503 is sleeved and installed on the drive shaft 502, and the two are connected by threads. With such a setting, the start of the second motor will drive the drive shaft to rotate, and then drive the base block to move left and right. The purpose of the left and right movement of the base block is to drive the infrared distance sensor to detect more sample data on the surface of the aluminum-based copper clad laminate. Among them, the more the sample data, the more accurate the detection of the flatness of the aluminum-based copper clad laminate. The sliding shaft 504 is arranged on the side wing plate 4 and is parallel to the drive shaft 502. The sliding shaft 504 passes through the base block 503, and the two are in sliding connection; the mounting plates 505 are distributed front and back and are connected to the base block 503 by bolts; the infrared distance sensors 506 are multiple and are evenly distributed, and are arranged on the mounting plates 505; the infrared distance sensors 506 are also connected to a display screen 6. The display screen 6 is used to display the ranging parameters at the coordinate position and is installed on the vertical plate 3. By setting an initial standard value (which can be a single value or a range) on the display screen, when the infrared distance sensor detects that a parameter is abnormal at a certain position point of the aluminum-based copper clad laminate, the parameter is marked in red on the display screen, and the staff can observe it conveniently.

[0026] The flatness testing device has a reasonable structural design and high testing accuracy; by adopting the cooperation of the second motor, drive shaft, base block, sliding shaft, mounting plate and infrared distance sensor, the infrared distance sensors are multiple and are distributed in a single row. At the same time, multiple distance parameter signals can be collected. When the second motor starts, it will drive the infrared distance sensor to continue to move, and then measure and record multiple distance parameters and record them. The parameter index can be judged abnormal through the initial set value, and then it can be judged whether the flatness of the surface of the aluminum-based copper clad laminate is consistent, and it is directly displayed on the display screen. The testing staff can view it intuitively and conveniently, and the testing efficiency is higher; at the same time, further adopting the cooperation of the first motor, rotating shaft, fixing plate and tightening plate, the double-sided flatness test of the aluminum-based copper clad laminate can be quickly completed, improving the testing efficiency of the aluminum-based copper clad laminate and avoiding the problem of time-consuming and laborious disassembly and reinstallation in the prior art.

[0027] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A flatness testing device for aluminum-based copper-clad laminates, characterized in that: It includes a fixing frame, which is a rectangular frame structure with a through structure in the center. A support is also provided on the inner wall of the fixing frame, and the support also includes a first motor, a rotating shaft, a fixing plate, and a fastening plate. The first motor is arranged on the fixing frame through a bracket and has a locking function. The rotating shaft is distributed on the left and right and can rotate relatively with the side wall of the fixing frame. The rotating shaft is connected to the first motor to complete the 180-degree flipping operation of the fixing plate. The fixing plate is a concave structure, and one side is fixed to the rotating shaft by welding. The fastening plate can be movably arranged in the fixing plate up and down. A vertical plate is also provided on one side of the fixing frame, and the vertical plate is an L-shaped structure, and side wing plates are provided on the left and right sides of the top wall of the vertical plate. A test piece is also provided on the vertical plate, and the test piece includes The invention comprises a second motor, a driving shaft, a base block, a sliding shaft, a mounting plate and an infrared ranging sensor; the second motor is mounted on the vertical plate through a bracket, the driving shaft is distributed left and right and is rotatably arranged between the two side wing plates, and the driving shaft is connected to the output shaft of the second motor; the base block is sleeved and mounted on the driving shaft, and the two are connected by a thread; the sliding shaft is arranged on the side wing plate and remains parallel to the driving shaft, the sliding shaft passes through the base block, and the two are maintained in sliding connection; the mounting plate is distributed front and back and is connected to the base block by bolts; the infrared ranging sensors are evenly distributed in multiple numbers and are arranged on the mounting plate; the infrared ranging sensor is also connected to a display screen, which is used to display the ranging parameters under the coordinate position and is mounted on the vertical plate.

2. The flatness testing device for an aluminum-based copper-clad laminate according to claim 1, characterized in that: Four evenly distributed supporting legs are also arranged below the fixing frame.

3. The flatness testing device for an aluminum-based copper-clad laminate according to claim 2, characterized in that: The support member also includes a cylinder and a support rod; the cylinder is arranged on a fixed frame, the support rod is distributed front and back and is slidably arranged on the fixed frame, and the support rod is connected to the cylinder to drive the support rod to extend and retract; when the aluminum-based copper-clad laminate is initially tightened, the lower end surface of the aluminum-based copper-clad laminate contacts the support rod.

4. The device for testing the flatness of an aluminum-based copper-clad laminate according to claim 3, characterized in that: A vertically distributed rotating rod is also provided on one side of the fastening plate, and the two are connected via a bearing; the rotating rod passes through the upper side wall of the fixing plate, and the two are threadedly connected.

5. The device for testing the flatness of an aluminum-based copper-clad laminate according to claim 4, characterized in that: One end of the rotating rod is also provided with a rotating knob.

6. The device for testing the flatness of an aluminum-based copper-clad laminate according to claim 5, characterized in that: A guide rod is also provided on one side of the fastening plate, and a vertically distributed guide groove is opened on one side of the fixing plate, and the guide rod is matched and installed with the guide groove.

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