Non-contact thickness measuring mechanism

Abstract

The utility model provides a non-contact thickness measuring mechanism, which relates to the technical field of thickness measurement and comprises a base, a measuring platform, an upper cantilever, a measuring assembly and a thickness display device. The measuring assembly comprises an upper laser distance measuring sensor and a lower laser distance measuring sensor; an upper cantilever is mounted on one side of the base, a measuring platform is arranged between the base and the upper cantilever, and a thickness display device in signal connection with the upper laser distance measuring sensor and the lower laser distance measuring sensor is mounted above the upper cantilever; an upper laser ranging sensor is mounted on the surface, facing the measuring platform, of the upper cantilever; a lower laser ranging sensor is mounted on the surface, facing the measuring platform, of the base; the measuring platform is used for placing an object to be measured, a measuring opening is formed in the surface of the measuring platform in a penetrating mode, and the measuring opening, the upper laser distance measuring sensor and the lower laser distance measuring sensor are linearly arranged. According to the non-contact thickness measuring mechanism, the thickness of the butyl rubber can be obtained only by placing the butyl rubber on the measuring platform, design is reasonable, and operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of thickness measurement, in particular to a contactless thickness measuring mechanism. Background Art

[0002] Butyl rubber is a soft material with characteristics such as softness and easy deformation. The traditional measurement method uses contact measuring tools such as vernier calipers, but this contact will cause slight deformation of butyl rubber, thus affecting the accuracy of the measurement.

[0003] To solve this problem, non-contact measurement technology, such as laser distance sensors or optical scanners, can be considered to avoid direct contact with butyl rubber and ensure the accuracy and reliability of the measurement results.

[0004] Non-contact measurement technology can obtain the size and shape information of an object by sending a laser or light beam and receiving the reflected signal or scanning the surface of the object without direct contact with the object.

[0005] However, there is no non-contact measurement method for butyl rubber in the prior art, so there is room for improvement. In this regard, the utility model provides a non-contact thickness measuring mechanism for realizing non-contact measurement of the thickness of butyl rubber. Utility Model Content

[0006] In view of the shortcomings of the prior art, the utility model aims to propose a non-contact thickness measurement mechanism, and the specific scheme is as follows:

[0007] A non-contact thickness measuring mechanism, comprising a base, a measuring platform, an upper cantilever, a measuring component and a thickness display device;

[0008] The measuring component includes an upper laser distance measuring sensor and a lower laser distance measuring sensor;

[0009] An upper cantilever is installed on one side of the base, a measuring platform is provided between the base and the upper cantilever, and a thickness display device connected to the upper laser distance sensor and the lower laser distance sensor signal is installed above the upper cantilever;

[0010] An upper laser distance measuring sensor is installed on the surface of the upper cantilever facing the measuring platform, and a lower laser distance measuring sensor is installed on the surface of the base facing the measuring platform;

[0011] The measuring platform is used to place the object to be measured. The surface is provided with measuring openings, which are linearly arranged with the upper laser ranging sensor and the lower laser ranging sensor.

[0012] When the object to be measured is butyl rubber, the butyl rubber is placed on the measuring platform and the measuring opening is covered to facilitate alignment of the butyl rubber with the upper laser distance sensor and the lower laser distance sensor. After power is turned on, the upper laser distance sensor and the lower laser distance sensor emit lasers and propagate toward the butyl rubber. When the lasers come into contact with the butyl rubber, they are reflected back to the sensors. The two sensors measure the time difference from emission to reception respectively, and calculate the distance between the butyl rubber and the sensor using the speed of light and the time difference. Since the initial distance between the two sensors is known, the thickness display device will then automatically display the thickness of the butyl rubber based on the signal conversion of the two sensors.

[0013] Furthermore, the thickness display device includes a housing, a display screen, and a thickness calculation unit;

[0014] The display screen is embedded in one side of the shell, and the thickness calculation unit is installed inside the shell;

[0015] The input end of the thickness calculation unit is electrically connected to the upper laser distance measuring sensor and the lower laser distance measuring sensor, and the output end is electrically connected to the display screen.

[0016] Therefore, after the upper laser ranging sensor and the lower laser ranging sensor respectively measure the distance to the butyl rubber, they feed back to the thickness calculation unit. The thickness calculation unit can calculate the thickness of the butyl rubber by subtracting the distance between the two sensors and the butyl rubber from the initial distance of the two sensors. The operation is simple and the calculation is convenient.

[0017] Furthermore, the measuring platform can perform linear motion towards or away from the base.

[0018] Since the butyl rubber is placed on the measuring platform, the relative position of the butyl rubber and the upper laser ranging sensor and the lower laser ranging sensor can be adjusted by adjusting the position of the measuring platform to ensure that the laser emitted by the sensor can be normally reflected back from the butyl rubber.

[0019] Furthermore, an adjustment component is provided between the measuring platform and the base, and the adjustment component includes a plurality of adjustment blocks, and the adjustment blocks can perform lifting and lowering motion relative to the base.

[0020] Therefore, by controlling the adjustment block to rise or fall, the measuring platform can be driven to approach or move away from the base, thereby adjusting the height of the measuring platform.

[0021] Furthermore, the top of the adjustment block is snap-connected with the lower surface of the measuring platform.

[0022] In this way, the stability between the adjustment block and the measuring platform can be improved, and the shaking of the measuring platform can be avoided.

[0023] Furthermore, a plurality of rubber pads are installed at the bottom of the base.

[0024] Thus, the rubber pad can increase the friction force, so that the base can be stably placed in the working position, ensuring stability during the process of measuring the thickness of the butyl rubber.

[0025] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0026] The non-contact thickness measuring mechanism of the utility model can obtain the thickness of the object to be measured by simply placing it on the measuring platform, which can not only avoid the problem of material deformation, but also has the advantages of high-precision and high-speed measurement, and is suitable for the needs of accurate measurement of special objects such as soft materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is an overall schematic diagram of an embodiment of the utility model;

[0028] Figure 2 for Figure 1 The main view;

[0029] Figure 3 A cross-sectional view showing the lifting and lowering method of the regulating block;

[0030] Figure 4 A flow chart showing the relationship between the measuring components and the thickness display device.

[0031] Figure numerals: 1. base; 2. measuring platform; 21. measuring opening; 3. upper cantilever; 4. measuring assembly; 41. upper laser ranging sensor; 42. lower laser ranging sensor; 5. thickness display device; 51. housing; 52. display screen; 53. thickness calculation unit; 6. DC power socket; 7. switch; 8. adjustment assembly; 81. adjustment block; 9. cylinder; 10. displacement plate; 11. rubber pad. DETAILED DESCRIPTION

[0032] The present invention will be further described in detail below in conjunction with the embodiments and drawings, but the implementation methods of the present invention are not limited thereto.

[0033] like Figure 1 The utility model proposes a non-contact thickness measuring mechanism for realizing non-contact measurement of the thickness of butyl rubber. The mechanism specifically comprises a base 1, a measuring platform 2, an upper cantilever 3, a measuring component 4 and a thickness display device 5. Through the cooperation of these components, the demand for accurate measurement of butyl rubber can be realized.

[0034] It should be noted that butyl rubber is the object to be measured in this embodiment. In addition to butyl rubber, it can also be used to measure special objects such as soft materials.

[0035] The measuring component 4 includes an upper laser distance measuring sensor 41 and a lower laser distance measuring sensor 42, which are respectively used to cooperate with the upper and lower surfaces of the object to be measured to indirectly obtain the thickness of the object to be measured.

[0036] It should be noted that the upper laser distance sensor 41 and the lower laser distance sensor 42 are existing structures, generally including a laser transmitter, a receiver and a time measurement device. The laser transmitter is a device for emitting a laser beam, usually using a laser diode or a laser; the receiver receives the laser pulse reflected from the target; the time measurement device is used to measure the time difference between the emission and reception of the laser pulse, and a TDc-GPX2 time-to-digital converter can be used. Based on this, the sensor can calculate the distance to the target surface.

[0037] Secondly, in order to facilitate the installation and use of the measuring assembly 4, the base 1 is used as a bearing component, and an upper cantilever 3 is installed on one side thereof, and the upper cantilever 3 is used to install an upper laser distance sensor 41, and a lower laser distance sensor 42 is installed on the surface of the base 1 facing the measuring platform 2. In addition, a measuring platform 2 is provided between the base 1 and the upper cantilever 3, and the measuring platform 2 is used to place the object to be measured.

[0038] In this way, the upper laser distance sensor 41 and the lower laser distance sensor 42 are respectively installed above and below the object to be measured. Moreover, a measuring opening 21 is opened through the surface, and the measuring opening 21 and the upper laser distance sensor 41 and the lower laser distance sensor 42 are arranged linearly.

[0039] When the object to be measured is placed on the measuring platform 2, the measuring opening 21 is covered, and the two sensors are started at the same time, so that they emit laser beams to the upper and lower surfaces of the object respectively. The sensors receive the laser signal reflected from the surface of the object and record the time difference between the emission and the reception, so as to measure the distance between the upper laser ranging sensor 41 and the lower laser ranging sensor 42 and the upper and lower surfaces of the butyl rubber respectively.

[0040] In order to facilitate the staff to intuitively obtain the thickness of the object to be measured, a thickness display device 5 connected to the upper laser distance sensor 41 and the lower laser distance sensor 42 is installed above the upper cantilever 3. The thickness display device 5 includes a housing 51, a display screen 52, and a thickness calculation unit 53. The display screen 52 is embedded in one side of the housing 51, and the thickness calculation unit 53 is installed inside the housing 51. The thickness calculation unit 53 is an existing structure, including components such as an analog-to-digital converter and a microprocessor, which are used to process and analyze the sensor signal. The display screen 52 is also an existing structure, which is used to convert the signal into a numerical value.

[0041] It should be noted that if Figure 1A DC power socket 6 and a switch 7 are provided on the side wall of the shell 51 . The DC power socket 6 is used for power supply, and the switch 7 is used for controlling the working state of the thickness display device 5 .

[0042] like Figure 4 The input end of the thickness calculation unit 53 is electrically connected to the upper laser distance sensor 41 and the lower laser distance sensor 42, and the output end is electrically connected to the display screen 52. Since the initial distance between the two sensors is known and built into the thickness calculation unit 53, the upper laser distance sensor 41 and the lower laser distance sensor respectively measure the distance to the butyl rubber and then feed it back to the thickness calculation unit 53. The thickness calculation unit 53 can calculate the thickness of the butyl rubber by subtracting the distance between the two sensors and the butyl rubber from the initial distance between the two sensors.

[0043] For example, the initial distance between the two sensors can be obtained by measuring the distance between the lower surface of the upper cantilever 3 and the upper surface of the base 1. The initial distance can be set to H. If the distances between the two sensors and the object to be measured are h1 and h2 respectively, the thickness calculation unit 53 will then automatically display the thickness of the butyl rubber according to the signal conversion of the two sensors, that is, H-h1-h2.

[0044] Since the butyl rubber is placed on the measuring platform 2, in order to make the height of the butyl rubber reasonable, the measuring platform 2 can make a linear movement towards or away from the base 1. Specifically, an adjustment component 8 is provided between the measuring platform 2 and the base 1. Figure 1 and Figure 2 The adjustment assembly 8 includes four adjustment blocks 81 distributed at the four corners of the base 1 . The adjustment blocks 81 can be lifted and lowered relative to the base 1 , and the tops of the adjustment blocks 81 are engaged with the lower surface of the measuring platform 2 .

[0045] Therefore, by controlling the adjustment block 81 to rise or fall, the measuring platform 2 can be driven to approach or move away from the base 1, thereby adjusting the height of the measuring platform 2, thereby adjusting the relative position of the butyl rubber and the upper laser ranging sensor 41 and the lower laser ranging sensor 42, ensuring that the laser emitted by the sensor can be reflected back from the butyl rubber normally.

[0046] like Figure 3 In order to realize the lifting and lowering of the adjustment block 81, a cylinder 9 can be installed in the middle of the base 1, and a displacement plate 10 is fixed on the telescopic end of the cylinder 9. All the adjustment blocks 81 are installed on the displacement plate 10, and the cylinder 9 uniformly drives the adjustment blocks 81 to move relative to the base 1.

[0047] Optimally, a rubber pad 11 is installed at each of the four corners of the bottom of the base 1. The rubber pad 11 can increase the friction force, so that the base 1 can be stably placed in the working position, ensuring stability during the process of measuring the thickness of the butyl rubber.

[0048] In summary, the non-contact thickness measuring mechanism of the utility model can obtain the thickness of butyl rubber by simply placing it on the measuring platform 2, and has reasonable design and convenient operation.

[0049] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A non-contact thickness measuring mechanism, characterized in that: It comprises a base (1), a measuring platform (2), an upper cantilever (3), a measuring component (4) and a thickness display device (5); The measuring component (4) comprises an upper laser distance measuring sensor (41) and a lower laser distance measuring sensor (42); An upper cantilever (3) is installed on one side of the base (1), a measuring platform (2) is provided between the base (1) and the upper cantilever (3), and a thickness display device (5) connected to the signals of an upper laser distance sensor (41) and a lower laser distance sensor (42) is installed above the upper cantilever (3); An upper laser distance measuring sensor (41) is installed on the surface of the upper cantilever (3) facing the measuring platform (2), and a lower laser distance measuring sensor (42) is installed on the surface of the base (1) facing the measuring platform (2); A measuring platform (2) is used to place an object to be measured, and a measuring opening (21) is provided through the surface of the platform. The measuring opening (21) is linearly arranged with an upper laser distance measuring sensor (41) and a lower laser distance measuring sensor (42); The thickness display device (5) comprises a housing (51), a display screen (52), and a thickness calculation unit (53); The display screen (52) is embedded in one side of the housing (51), and the thickness calculation unit (53) is installed inside the housing (51); The input end of the thickness calculation unit (53) is electrically connected to the upper laser distance sensor (41) and the lower laser distance sensor (42), and the output end is electrically connected to the display screen (52); The measuring platform (2) can perform linear movement towards or away from the base (1).

2. The non-contact thickness measuring mechanism according to claim 1, characterized in that: An adjustment component (8) is provided between the measuring platform (2) and the base (1). The adjustment component (8) comprises a plurality of adjustment blocks (81). The adjustment blocks (81) can perform lifting motion relative to the base (1).

3. The non-contact thickness measuring mechanism according to claim 2, characterized in that: The top of the adjustment block (81) is snap-connected to the lower surface of the measurement platform (2).

4. The non-contact thickness measuring mechanism according to claim 1, characterized in that: A plurality of rubber pads (11) are installed at the bottom of the base (1).

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