Adjusting mechanism and circuit board thickness measuring device

Abstract

The utility model belongs to the field of measurement, and particularly relates to an adjusting mechanism and a circuit board thickness measuring device. The adjusting mechanism comprises a supporting frame, a sensor fixing seat and an adjusting assembly. The sensor fixing seat is suitable for installing a sensor. The sensor fixing seat is rotationally connected to the supporting frame, the adjusting assembly is connected to the supporting frame, and the adjusting assembly can drive the sensor fixing seat to rotate so as to adjust the relative position between the sensor fixing seat and the supporting frame. According to the utility model, through the rotational connection of the sensor fixing seat and the support frame and the driving function of the adjusting assembly, the angle of the sensor can be accurately adjusted, so that the sensor can be rapidly and accurately adjusted to a required angle to adapt to PCBs with different thicknesses or shapes, thereby improving the measurement precision and reliability.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of measurement, especially related to an adjusting mechanism and a circuit board thickness measuring device. BACKGROUND

[0002] In the processing of PCB (Printed Circuit Board), it is crucial to ensure product quality and process precision. As a non-contact high-precision measuring tool, sensors are widely used in this field. By installing sensors on the adjusting mechanism, real-time and dynamic measurement of the thickness of PCB can be achieved without direct contact, which is of great significance to improve the production efficiency of PCB and ensure the quality of PCB products.

[0003] In the prior art, the position of the sensor is usually adjusted by a lifting device. When it is necessary to accurately adjust the angle of the sensor to adapt to PCBs of different thicknesses or shapes, the movement of the lifting device is mainly linear displacement, lacking angle control function, resulting in a long time-consuming position adjustment process of the sensor, affecting the overall efficiency of the production line. SUMMARY

[0004] The utility model provides an adjusting mechanism and a circuit board thickness measuring device to solve the problem that in the prior art, the position of the sensor is usually adjusted by a lifting device, the movement of the lifting device is mainly linear displacement, lacking angle control function, resulting in a long time-consuming position adjustment process of the sensor.

[0005] To solve the above problems, on the one hand, the utility model embodiment provides an adjusting mechanism, including support frame, sensor fixed seat and adjusting assembly, the sensor fixed seat is suitable for installing sensor;

[0006] The sensor fixed seat is rotatably connected to the support frame, the adjusting assembly is connected to the support frame, and the adjusting assembly can drive the sensor fixed seat to rotate to adjust the relative position between the sensor fixed seat and the support frame.

[0007] Optionally, the side of the sensor fixed seat away from the support frame is provided with a limiting groove, the limiting groove is suitable for installing the sensor, and the limiting groove is used to limit the position of the sensor on the sensor fixed seat.

[0008] Optionally, the adjusting mechanism further comprises a rotating pin, the support frame is provided with a first hole, the sensor fixed seat is provided with a second hole opposite to the first hole, the rotating pin is fixedly connected with the support frame through the first hole, and the rotating pin is rotatably connected with the sensor fixed seat through the second hole.

[0009] Optionally, the adjusting mechanism further comprises a locking member, which is used for locking the sensor fixing seat on the support frame.

[0010] After the locking member releases the locking of the sensor fixing seat, the sensor fixing seat can rotate relative to the support frame around the rotating pin.

[0011] Optionally, the sensor fixing seat is provided with a locking member mounting hole, the locking member mounting hole is arranged along a first direction and is spaced apart from the rotating pin, the support frame is provided with an arc-shaped slot, when the sensor fixing seat is locked on the support frame, a projection of the locking member mounting hole on a side of the support frame facing the sensor fixing seat is located inside a projection of the arc-shaped slot on the side of the support frame facing the sensor fixing seat; the locking member can be mounted in the arc-shaped slot and the locking member mounting hole.

[0012] Optionally, the sensor fixing seat and the adjusting assembly are arranged along a second direction and are spaced apart, the adjusting assembly can reciprocate along the second direction, so that the adjusting assembly can approach the sensor fixing seat and push the sensor fixing seat to rotate.

[0013] Optionally, the adjusting assembly comprises a mounting seat and an adjusting member, the mounting seat is fixedly connected to the support frame, the mounting seat and the sensor fixing seat are arranged along the second direction and are spaced apart, the mounting seat is provided with an adjusting hole, an inner wall of the adjusting hole has an internal thread, an outer peripheral surface of the adjusting member has a threaded segment, the adjusting member is threadedly connected to the adjusting hole, and the adjusting member can approach the sensor fixing seat and push the sensor fixing seat to rotate.

[0014] Optionally, the adjusting hole penetrates through the mounting seat along the second direction.

[0015] Optionally, the support frame comprises a support frame body and a connecting block, the sensor fixing seat is rotatably connected to one end of the support frame body, the connecting block is fixedly connected to the other end of the support frame body, and the connecting block, the support frame body and the sensor fixing seat are arranged along a third direction in sequence.

[0016] According to the adjusting mechanism provided in the embodiment of the present application, through the rotating connection of the sensor fixing seat and the support frame and the driving function of the adjusting assembly, the precise adjustment of the sensor angle can be realized. The problem that the lifting device in the prior art can only provide linear displacement and lacks angle control function is solved, so that the sensor can be quickly and accurately adjusted to the required angle to adapt to PCBs of different thicknesses or shapes, thereby improving the measurement accuracy and reliability. The operator does not need to spend a lot of time for tedious fine adjustment, and the sensor can be adjusted to the target position, the adjustment time is significantly shortened, and the overall efficiency of the production line is improved, which helps enterprises to improve production capacity and economic benefits.

[0017] The line board thickness measuring device provided in the embodiment of the present application comprises a sensor and the adjusting mechanism, the number of the sensor and the adjusting mechanism is two, and each sensor is installed on the sensor mounting seat.

[0018] One of the sensors has a transmitting end, and the other sensor has a receiving end, the transmitting end and the receiving end are oppositely arranged, and a measuring space is formed between the transmitting end and the receiving end, and the measuring space is suitable for placing a line board.

[0019] The transmitting end is used for transmitting a light beam, part of the light beam can be blocked by the line board, and the remaining part of the light beam can be transmitted to the receiving end to calculate the thickness of the line board. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiment of the present application, the drawings needed to be used in the description of the embodiment of the present application will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art.

[0021] Figure 1 is a structural schematic view of the first perspective of the adjusting mechanism provided in the embodiment of the present application;

[0022] Figure 2 is a structural schematic view of the second perspective of the adjusting mechanism provided in the embodiment of the present application;

[0023] Figure 3 is an exploded view of the adjusting mechanism provided in the embodiment of the present application;

[0024] Figure 4 is a structural schematic view of the line board thickness measuring device provided in the embodiment of the present application.

[0025] The reference signs in the description are as follows:

[0026] 1, support frame; 11, support frame body; 12, connecting block; 13, arc-shaped groove; 14, first hole; 15, second hole; 2, sensor; 21, first laser transmitter-receiver sensor; 22, second laser transmitter-receiver sensor; 3, sensor fixing seat; 31, limiting groove; 32, locking piece mounting hole; 4, adjusting assembly; 41, mounting seat; 42, adjusting hole; 5, rotating pin. DETAILED DESCRIPTION

[0027] In order to make the technical problems, technical schemes and beneficial effects solved by the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and do not limit the utility model.

[0028] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0029] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0030] As shown in FIG. Figures 1 to 3 An adjusting mechanism provided by an embodiment of the utility model comprises a support frame 1, a sensor fixing seat 3 and an adjusting assembly 4, the sensor fixing seat 3 is suitable for mounting a sensor 2;

[0031] The sensor fixing seat 3 is rotationally connected to the support frame 1, the adjusting assembly 4 is connected to the support frame 1, and the adjusting assembly 4 can drive the sensor fixing seat 3 to rotate to adjust the relative position between the sensor fixing seat 3 and the support frame 1. In this embodiment, by arranging the adjusting assembly 4, the sensor fixing seat 3 and the sensor 2 thereon can be directly driven to rotate, the relative position between the sensor fixing seat 3 and the support frame 1 can be quickly changed, the time required for angle adjustment of the sensor 2 is greatly shortened, the production waiting time is reduced, and the overall production efficiency is improved. Compared with a simple lifting device, the mechanism can realize more precise angle control by adjusting the angle of the sensor 2 through the adjusting assembly 4, meet the high-precision angle requirements of different PCBs for the sensor 2, improve the accuracy of measurement data, and thus improve the processing quality of the PCB.

[0032] In an embodiment, the side of the sensor fixing seat 3 away from the support frame 1 is provided with a limiting groove 31, the limiting groove 31 is suitable for mounting the sensor 2, and the limiting groove 31 is used to limit the position of the sensor 2 on the sensor fixing seat 3. In this embodiment, the limiting groove 31 provides an accurate mounting position for the sensor 2, ensuring the accuracy of the preliminary positioning of the sensor 2 during the installation process. This helps to reduce installation errors and improve the precision and reliability of the entire system. The presence of the limiting groove 31 effectively prevents accidental displacement of the sensor 2 after installation. This ensures the stability and reliability of the sensor 2 during long-term use, avoiding measurement errors or system failures caused by changes in the position of the sensor 2. In other embodiments, the limiting groove 31 extends through the sensor fixing seat 3 along the first direction, and the limiting groove 31 can guide the installation of the sensor 2, achieving quick installation and positioning of the sensor 2.

[0033] In an embodiment, referring to Figure 3 , the adjusting mechanism further includes a rotating pin 5, the support frame 1 is provided with a first hole 14, the sensor fixing seat 3 is provided with a second hole 15 opposite to the first hole 14, the rotating pin 5 is fixedly connected to the support frame 1 by being arranged in the first hole 14, and the rotating pin 5 is rotationally connected to the sensor fixing seat 3 by being arranged in the second hole 5. In this embodiment, by fixedly arranging the rotating pin 5 and rotationally connecting the sensor fixing seat 3, the angle of the sensor 2 can be accurately adjusted. The sensor fixing seat 3 can stably rotate on the support frame 1, so that it can be quickly and accurately adjusted to the required angle to adapt to PCBs of different thicknesses or shapes, improve the measurement accuracy and reliability, significantly improve the efficiency of angle adjustment, and thus improve the overall efficiency of the production line.

[0034] In an embodiment, the adjusting mechanism further includes a locking piece (not shown in the figure), which is used to lock the sensor fixing seat 3 on the support frame 1.

[0035] After the locking member releases the locking of the sensor fixing seat 3, the sensor fixing seat 3 can rotate relative to the support frame 1 around the rotating pin 5. In this embodiment, the locking member can firmly lock the sensor fixing seat 3 on the support frame 1 after the sensor fixing seat 3 is adjusted to the appropriate position, preventing the sensor 2 from being deviated due to vibration or other external forces during the measurement process, thereby ensuring the stability and accuracy of the measurement data. Through the locking function of the locking member, the position of the sensor fixing seat 3 during the measurement process is more stable, reducing the measurement error caused by the change of the position, and improving the overall reliability of the equipment and the repeatability of the measurement results.

[0036] In an embodiment, the sensor fixing seat 3 is provided with a locking member mounting hole 32, the locking member mounting hole 32 is arranged along the first direction and is spaced apart from the rotating pin 5, the support frame 1 is provided with an arc-shaped groove 13, and when the sensor fixing seat 3 is locked on the support frame 1, the orthographic projection of the locking member mounting hole 32 on the side of the support frame 1 facing the sensor fixing seat 3 is located inside the orthographic projection of the arc-shaped groove 13 on the side of the support frame 1 facing the sensor fixing seat 3; the locking member can be installed in the arc-shaped groove 13 and the locking member mounting hole 32. In this embodiment, the support frame 1 includes a support frame body 11, the support frame body 11 is square, the first direction is the width direction (left-right direction) of the support frame body 11, and the second direction is the length direction (up-down direction) of the support frame body 11. Figure 2 The X direction in the above. Through the cooperation of the locking member mounting hole 32 and the arc-shaped groove 13, the locking member can firmly lock the sensor fixing seat 3 on the support frame 1 after the sensor fixing seat 3 is adjusted to the appropriate position. The design of the arc-shaped groove 13 allows the sensor fixing seat 3 to be adjusted in a certain range, providing greater flexibility for adjustment. The operator can quickly and conveniently adjust the sensor 2 to the required angle according to different measurement requirements, and then fix it through the locking member, improving the adaptability and operation convenience of the equipment.

[0037] In an embodiment, the sensor fixing seat 3 and the adjusting assembly 4 are arranged along the second direction and are spaced apart, and the adjusting assembly 4 can reciprocate along the second direction to enable the adjusting assembly 4 to approach the sensor fixing seat 3 and push the sensor fixing seat 3 to rotate. In this embodiment, the second direction is the length direction (up-down direction) of the support frame body 11, and the Z direction in the above. Figure 2 Through the reciprocating movement of the adjusting assembly 4, the sensor fixing seat 3 can be accurately pushed to rotate, realizing fine adjustment of the angle of the sensor 2. It ensures that the sensor 2 can be quickly and accurately adjusted to the required angle, improving the accuracy and reliability of the measurement data. The operator does not need to perform complex fine adjustment, and the sensor 2 can be quickly adjusted to the target position, significantly improving the efficiency of angle adjustment, reducing the operation steps and time, and further improving the overall efficiency of the production line.

[0038] In an embodiment, the adjusting assembly 4 comprises a mounting seat 41 and an adjusting piece (not shown in the figure), the mounting seat 41 is fixedly connected to the support frame 1, the mounting seat 41 is arranged along the second direction away from the sensor fixing seat 3, the mounting seat 41 is provided with an adjusting hole 42, the inner wall of the adjusting hole 42 is provided with an internal thread, the outer circumferential surface of the adjusting piece is provided with a threaded section, the adjusting piece is threadedly connected to the adjusting hole 42, and the adjusting piece can be close to the sensor fixing seat 3 and push the sensor fixing seat 3 to rotate. In the embodiment, the movement of the adjusting piece in the adjusting hole 42 can be controlled very accurately through the threaded connection. With each rotation, the adjusting piece advances or retreats along the thread by a fixed pitch. Such accurate movement can realize fine adjustment of the angle of the sensor fixing seat 3, ensure that the sensor 2 can accurately aim at the target position, and improve the accuracy and reliability of measurement. Meanwhile, the threaded connection has a certain self-locking function. When the adjusting piece is adjusted to a proper position, the adjusting piece can be kept at the current position due to the friction of the thread, and displacement is not easily caused. This helps to keep the stable position of the sensor 2 during measurement, and reduces the position deviation caused by vibration or other external forces.

[0039] In an embodiment, the adjusting hole 42 penetrates through the mounting seat 41 along the second direction. In the embodiment, since the adjusting hole 42 penetrates through the mounting seat 41, the insertion and removal of the adjusting piece are more smooth, the operator can quickly complete the installation and disassembly of the adjusting piece, and the assembly efficiency is improved.

[0040] In an embodiment, the support frame 1 comprises a support frame body 11 and a connecting block 12, the sensor fixing seat 3 is rotationally connected to one end of the support frame body 11, the connecting block 12 is fixedly connected to the other end of the support frame body 11, and the connecting block 12, the support frame body 11 and the sensor fixing seat 3 are arranged along the third direction in sequence. In the embodiment, the third direction is the thickness direction (front-rear direction) of the support frame body 11, i.e., the Y direction in FIG. 1. The sensor fixing seat 3 and the connecting block 12 are arranged on opposite sides of the support frame body 11, so as to provide space for the installation of the connecting block 12 and the sensor 2, facilitate the installation of the sensor 2 on the sensor fixing seat 3, and facilitate the installation of the connecting block 12 on the external device (for example, a lifting device). Figure 2

[0041] ​According to the adjusting mechanism provided in the embodiment of the utility model, through the rotary connection of the sensor fixing seat 3 and the support frame 1 and the driving function of the adjusting assembly 4, the accurate adjustment of the angle of the sensor 2 can be realized. The problem that the lifting device in the prior art can only provide linear displacement and lacks angle control function is solved, so that the sensor 2 can be quickly and accurately adjusted to the required angle to adapt to PCBs of different thicknesses or shapes, thereby improving the measurement accuracy and reliability. The operator does not need to spend a lot of time to make tedious fine adjustment, and the sensor 2 can be adjusted to the target position, the adjustment time is significantly shortened, and the overall efficiency of the production line is improved, which helps enterprises to improve production capacity and economic benefits.

[0042] In addition, please refer to Figure 4 An embodiment of the utility model provides a kind of circuit board thickness measuring device, including sensor 2 and the adjusting mechanism of above-mentioned embodiment, the quantity of sensor 2 and adjusting mechanism is two, each sensor 2 is installed on sensor 2 mounting seat 41;

[0043] One of the sensor 2 has transmitting end, another sensor 2 has receiving end, transmitting end and receiving end are oppositely arranged, and measuring space is formed between transmitting end and receiving end, and measuring space is suitable for placing circuit board;

[0044] The transmitting end is used for transmitting a light beam, part of the light beam can be blocked by the circuit board, and the remaining part of the light beam can be transmitted to the receiving end to calculate the thickness of the circuit board. In the embodiment, the sensor 2 is a laser transmission sensor 2, the two sensors 2 are respectively a first laser transmission sensor 21 and a second laser transmission sensor 22, the first laser transmission sensor 21 and the second laser transmission sensor 22 are respectively installed on the sensor 2 mounting seat 41 corresponding to one adjusting mechanism, the first laser transmission sensor 21 has a transmitting end, the second laser transmission sensor 22 has a receiving end (reflecting end), when measuring the thickness of the PCB, the PCB (circuit board) is placed in the measuring space, so that the transmitting end, the PCB and the receiving end are arranged in the horizontal direction in turn, the transmitting end of the first laser transmission sensor 21 emits a laser beam (parallel light beam), when the laser beam irradiates the PCB, the PCB will block part of the parallel light beam, at the same time, the remaining part of the parallel light beam is transmitted to the receiving end, and the height difference between the parallel light beam emitted by the transmitting end and the parallel light beam received by the receiving end is calculated to calculate the thickness of the PCB. In other embodiments, one of the two sensors 2 is located above the PCB, and the other is located below the PCB, both of the two sensors 2 have a transmitting end and a receiving end, the transmitting end of the upper sensor 2 emits a laser beam, irradiates the upper surface of the PCB, and the diffuse reflection light of the upper surface spot returns to the receiving end of the upper sensor 2, so that the distance from the upper sensor to the upper surface of the PCB can be obtained. The transmitting end of the lower sensor 2 emits a laser beam, irradiates the lower surface of the PCB, and the diffuse reflection light of the upper surface spot returns to the receiving end of the upper sensor 2, so that the distance from the lower sensor 2 to the lower surface of the PCB can be obtained, and the fixed distance between the two sensors 2 is known, and then the thickness of the PCB can be calculated.

[0045] The above-described embodiments are only used to illustrate the technical solutions of the present application, but not limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. An adjustment mechanism, characterized in that The adjusting mechanism comprises a support frame, a sensor fixing seat and an adjusting assembly, the sensor fixing seat is adapted to mount a sensor; The sensor fixing seat is rotationally connected to the support frame, the adjusting assembly is connected to the support frame, and the adjusting assembly is capable of driving the sensor fixing seat to rotate so as to adjust the relative position between the sensor fixing seat and the support frame.

2. The adjustment mechanism of claim 1, wherein The side of the sensor fixing seat away from the support frame is provided with a limiting groove, the limiting groove is adapted to mount the sensor, and the limiting groove is used to limit the position of the sensor on the sensor fixing seat.

3. The adjustment mechanism of claim 1, wherein The adjusting mechanism further comprises a rotating pin, the support frame is provided with a first hole, the sensor fixing seat is provided with a second hole opposite to the first hole, the rotating pin is fixedly connected to the first hole and the support frame, and the rotating pin is rotationally connected to the second hole and the sensor fixing seat.

4. The adjustment mechanism of claim 3, wherein The adjusting mechanism further comprises a locking member, the locking member is used to lock the sensor fixing seat on the support frame; After the locking member releases the locking of the sensor fixing seat, the sensor fixing seat is capable of rotating relative to the support frame around the rotating pin.

5. The adjustment mechanism of claim 4, wherein, The sensor fixing seat is provided with a locking member mounting hole, the locking member mounting hole and the rotating pin are spaced apart along a first direction, the support frame is provided with an arc-shaped groove, when the sensor fixing seat is locked on the support frame, the normal projection of the locking member mounting hole on the side of the support frame facing the sensor fixing seat is located inside the normal projection of the arc-shaped groove on the side of the support frame facing the sensor fixing seat; the locking member can be mounted in the arc-shaped groove and the locking member mounting hole.

6. The adjustment mechanism of claim 1, wherein The sensor fixing seat and the adjusting assembly are spaced apart along a second direction, the adjusting assembly is capable of reciprocating along the second direction so that the adjusting assembly can approach the sensor fixing seat and push the sensor fixing seat to rotate.

7. The adjustment mechanism of claim 6, wherein, The adjusting assembly comprises a mounting seat and an adjusting member, the mounting seat is fixedly connected to the support frame, the mounting seat and the sensor fixing seat are spaced apart along the second direction, the mounting seat is provided with an adjusting hole, the inner wall of the adjusting hole has internal threads, the outer peripheral surface of the adjusting member has a threaded segment, the adjusting member is threadedly connected to the adjusting hole, and the adjusting member can approach the sensor fixing seat and push the sensor fixing seat to rotate.

8. The adjustment mechanism of claim 7, wherein, The adjusting hole penetrates through the mounting seat along the second direction.

9. The adjustment mechanism of claim 1, wherein, The support frame comprises a support frame body and a connecting block, the sensor fixing seat is rotationally connected to one end of the support frame body, the connecting block is fixedly connected to the other end of the support frame body, and the connecting block, the support frame body and the sensor fixing seat are sequentially arranged along a third direction.

10. A line board thickness measuring device, characterized by, The adjusting mechanism comprises a sensor and the adjusting mechanism of any one of claims 1 to 9, the number of the sensor and the number of the adjusting mechanism are both two, each sensor is mounted on a corresponding sensor fixing seat; One of the sensors has a transmitting end, and the other sensor has a receiving end, the transmitting end and the receiving end are oppositely arranged, a measuring space is formed between the transmitting end and the receiving end, and the measuring space is suitable for placing a circuit board; The transmitting end is used for transmitting a light beam, part of the light beam can be blocked by the circuit board, and the remaining part of the light beam can be transmitted to the receiving end to calculate the thickness of the circuit board.

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