An automatic thickness measuring device for heavy workpieces
By designing an automatic thickness measuring device, and utilizing a clearance passage, a receiving mechanism, and a three-axis gantry, automatic thickness measurement of heavy workpieces was achieved, solving the problem of high labor demand and improving measurement efficiency and adaptability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO DINGMAI MASCH CO LTD
- Filing Date
- 2025-10-22
- Publication Date
- 2026-07-24
AI Technical Summary
Existing technologies make it difficult to automatically measure the thickness of heavy workpieces, especially since a large amount of labor is required during the handling process.
An automatic thickness measuring device was designed, including a clearance channel, a receiving mechanism, a clamping mechanism, an ultrasonic thickness measuring device, and a three-axis gantry. The heavy workpiece is moved into the box by a gantry crane, the workpiece is fixed by the clamping mechanism, the ultrasonic thickness measuring device performs automatic thickness measurement, and the position is adjusted by the three-axis gantry.
It enables automatic thickness measurement of heavy workpieces, reduces labor requirements, improves measurement efficiency and adaptability, and can adapt to workpieces of different sizes.
Smart Images

Figure CN224552344U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of thickness measuring devices, and in particular to an automatic thickness measuring device for heavy workpieces. Background Technology
[0002] An ultrasonic thickness gauge is a widely used non-destructive testing device in the industrial field, primarily used for accurately measuring the thickness of materials. Ultrasonic thickness gauges measure thickness based on the principle of ultrasonic pulse reflection. When an ultrasonic pulse emitted by the probe passes through the object being measured and reaches the material interface, the pulse is reflected back to the probe. The thickness of the material is determined by accurately measuring the propagation time of the ultrasonic wave within the material. In practical applications, some sheet metal workpieces are heavy and cannot be handled manually; therefore, it is necessary to design an automatic thickness measuring device for these heavy sheet metal workpieces. Summary of the Invention
[0003] The purpose of this invention is to provide an automatic thickness measuring device for heavy workpieces. An obstacle avoidance channel is set at the front end of the box to facilitate the movement of heavy workpieces into the box by a gantry crane, thereby greatly saving labor. Automatic thickness measuring of heavy workpieces is achieved by using an ultrasonic thickness measuring device.
[0004] The above-mentioned technical objective of this utility model is achieved through the following technical solution: an automatic thickness measuring device for heavy workpieces, comprising... The box body has a clearance passage with a front opening on the top, which is used for the suspension device of the gantry crane to extend into the box body. The substrate is fixedly installed inside the housing. The receiving mechanism is vertically mounted inside the housing. It is used to receive heavy workpieces connected to the suspension device and transfer the heavy workpieces to the base plate. Clamping mechanism, used to fix heavy workpieces on a base plate; An ultrasonic thickness measuring device includes an ultrasonic thickness measuring unit, a coupling agent storage box, a coupling agent supply unit, and an ultrasonic signal processing unit. The coupling agent storage box is fixedly installed inside the box to provide coupling agent. The coupling agent supply unit includes a peristaltic pump and a supply pipe. One end of the peristaltic pump is connected to the coupling agent storage box, and the other end of the peristaltic pump is connected to the supply pipe. The three-axis gantry crane is used to move the supply pipe and ultrasonic thickness measurement unit along the X, Y, and Z axes.
[0005] Furthermore, the clamping mechanism is provided in multiple sets. The clamping mechanism includes a fixed block, a first cylinder and a clamping block. The fixed block is fixedly mounted on the base plate. The clamping block is pivotally connected to the fixed block near the heavy workpiece via a rotating shaft. The body of the first cylinder is rotatably connected to the fixed block via a bracket. The output end of the first cylinder is fixedly connected to the clamping block. When the first cylinder is activated, it can drive the fixed block to rotate around the rotating shaft as the rotation axis to clamp the heavy workpiece.
[0006] Furthermore, the fixing block is provided with strip grooves on both sides corresponding to the first cylinder, and the base plate is provided with positioning holes. Fasteners pass through the strip grooves and are threadedly connected to the positioning holes to position the fixing block. The position of the clamping mechanism relative to the heavy workpiece is adjusted by adjusting the relative position of the fixing block and the positioning holes.
[0007] Furthermore, the housing includes a lower housing and an upper housing. The base plate, the receiving mechanism, the clamping mechanism, the ultrasonic thickness measuring device, and the three-axis gantry are all located in the upper housing, and the lower housing is equipped with an electrical control module.
[0008] Furthermore, a partition plate is provided between the lower housing and the upper housing, and multiple sets of receiving mechanisms are arranged in a ring at the lower end of the partition plate. The receiving mechanism includes a second cylinder and a receiving column connected to the output end of the second cylinder. The partition plate and the base plate are provided with a connecting hole for the cylinder output shaft and the receiving column to pass through.
[0009] Furthermore, a sensor is provided on the top of the housing, which is used to detect whether there are heavy workpieces on the substrate.
[0010] Furthermore, columns are provided on both sides of the substrate, and the three-axis gantry includes a Y-axis moving module mounted on the columns on both sides of the substrate along the Y-axis, an X-axis moving module arranged laterally on the two Y-axis moving modules along the X-axis, and a Z-axis moving module arranged vertically on the X-axis moving module along the Z-axis. The peristaltic pump is fixedly mounted on the Y-axis sliding block of the Y-axis moving module, and the supply pipe and ultrasonic thickness measuring unit are mounted on the Z-axis sliding block of the Z-axis moving module.
[0011] Furthermore, a safety light curtain is provided on the side of the enclosure facing the opening of the avoidance passage.
[0012] Furthermore, the enclosure is also equipped with a display module and a button module.
[0013] In summary, this utility model has the following beneficial effects: 1. The automatic thickness measuring device of this utility model has an obstacle avoidance channel set at the front end of the box to facilitate the movement of heavy workpieces into the box by a gantry crane, thereby greatly saving labor. The heavy workpieces are fixedly clamped on the base plate by a clamping mechanism. The automatic thickness measuring operation of the heavy workpieces is realized by an ultrasonic thickness measuring device. The ultrasonic thickness measuring device is driven to move by a three-axis gantry crane to perform thickness measuring operations at different positions of the heavy workpieces. 2. The automatic thickness measuring device of this utility model, by setting up a receiving mechanism, facilitates the receiving of heavy workpieces so that they can be placed stably on the base plate. On the other hand, when the surveying work is completed, the receiving mechanism lifts the heavy mechanism so that it can be connected to the suspension device and then moved out of the box by the gantry crane. 3. The automatic thickness measuring device of this utility model, by setting the position of the clamping mechanism to be adjustable, enables the clamping mechanism to be adapted to heavy workpieces of different sizes. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0015] Figure 2 This is a schematic diagram of the internal structure of the box of this utility model.
[0016] Figure 3 This is a schematic diagram of the clamping mechanism of this utility model.
[0017] Figure 4 This is a schematic diagram of the receiving column and the connecting hole of this utility model.
[0018] Figure 5 This is a schematic diagram of the internal structure of the lower housing of this utility model.
[0019] In the diagram: 10. Box body; 11. Clearance passage; 12. Lower box body; 13. Upper box body; 14. Divider plate; 15. Sensor; 16. Safety light curtain; 17. Display module; 20. Base plate; 21. Connecting hole; 30. Receiving mechanism; 31. Second cylinder; 32. Receiving column; 40. Clamping mechanism; 41. Fixing block; 411. Strip groove; 412. Bracket; 42. First cylinder; 43. Clamping block; 50. Ultrasonic thickness measuring device; 51. Ultrasonic thickness measuring unit; 52. Coupling agent storage box; 53. Coupling agent supply unit; 531. Peristaltic pump; 532. Supply pipe; 60. Three-axis gantry; 61. Y-axis moving module; 62. X-axis moving module; 63. Z-axis moving module; 70. Heavy workpiece. Detailed Implementation
[0020] The present invention will be further described below with reference to the accompanying drawings.
[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can typically be arranged and designed in various different configurations.
[0022] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.
[0023] like Figures 1-5 As shown, an automatic thickness measuring device for heavy workpieces includes a housing 10, a base plate 20, a receiving mechanism 30, a clamping mechanism 40, an ultrasonic thickness measuring device 50, and a three-axis gantry frame 60, which constitute the basic structure of this utility model.
[0024] The top of the housing 10 is provided with a clearance passage 11 with a front opening. The clearance passage 11 is used for the suspension device of the gantry crane to extend into the housing 10. The suspension device is used to connect the heavy workpiece 70 and to transfer the heavy workpiece 70 into the housing 10 by the gantry crane. The gantry crane is prior art and will not be described in detail in this application. The drawings of the gantry crane and the suspension device of the gantry crane are not shown.
[0025] The base plate 20 is fixedly installed inside the housing 10; the receiving mechanism 30 is vertically and flexibly installed inside the housing 10. The receiving mechanism 30 is used to receive the heavy workpiece 70 connected to the suspension device and transfer the heavy workpiece 70 to the base plate 20; the clamping mechanism 40 is used to fix the heavy workpiece 70 on the base plate 20. By setting the receiving mechanism 30, on the one hand, it is convenient to receive the heavy workpiece 70 so that the heavy workpiece 70 can be placed stably on the base plate 20. On the other hand, when the surveying work is completed, the heavy workpiece 70 is lifted by the receiving mechanism 30 so that the user can connect the heavy workpiece 70 to the suspension device and then move the heavy workpiece 70 out of the housing 10 by the gantry crane.
[0026] The ultrasonic thickness measuring device 50 includes an ultrasonic thickness measuring unit 51, a coupling agent storage tank 52, a coupling agent supply unit 53, and an ultrasonic signal processing unit. The coupling agent storage tank 52 is fixedly installed inside the housing 10 and is used to provide coupling agent. The coupling agent supply unit 53 includes a peristaltic pump 531 and a supply pipe 532. One end of the peristaltic pump 531 is connected to the coupling agent storage tank 52, and the other end of the peristaltic pump 531 is connected to the supply pipe 532. The peristaltic pump 531 and the supply pipe 532 cooperate to pump the coupling agent to the surface of the heavy workpiece 70 as a measuring medium. The ultrasonic thickness measuring unit 51 is prior art and will not be described in detail in this application. The ultrasonic signal processing unit is used to process the thickness measurement signal.
[0027] The three-axis gantry 60 is used to move the supply pipe 532 and the ultrasonic thickness measuring unit 51 along the X-axis, Y-axis and Z-axis.
[0028] In some embodiments, the clamping mechanism 40 is provided in multiple sets. The clamping mechanism 40 includes a fixing block 41, a first cylinder 42, and a clamping block 43. The fixing block 41 is fixedly mounted on the base plate 20. The clamping block 43 is pivotally connected to the fixing block 41 near the heavy workpiece 70 via a rotating shaft. The body of the first cylinder 42 is rotatably connected to the fixing block 41 via a bracket 412. The output end of the first cylinder 42 is fixedly connected to the clamping block 43. When the first cylinder 42 is activated, it can drive the fixing block 41 to rotate around the rotating shaft as the rotation axis to clamp the heavy workpiece 70.
[0029] In some embodiments, the fixing block 41 is provided with strip grooves 411 on both sides corresponding to the first cylinder 42, and the base plate 20 is provided with positioning holes. Fasteners pass through the strip grooves 411 and are threadedly connected to the positioning holes to position the fixing block 41. The position of the clamping mechanism 40 relative to the heavy workpiece 70 is adjusted by adjusting the relative position of the fixing block 41 and the positioning holes. By setting the position of the clamping mechanism 40 to be adjustable, the clamping mechanism 40 can be adapted to heavy workpieces 70 of different sizes.
[0030] In some embodiments, the housing 10 includes a lower housing 12 and an upper housing 13. The substrate 20, the receiving mechanism 30, the clamping mechanism 40, the ultrasonic thickness measuring device 50, and the three-axis gantry 60 are all located inside the upper housing 13. An electrical control module is provided inside the lower housing 12. A pipeline channel for pipelines to pass through is provided between the upper housing 13 and the lower housing 12.
[0031] In some embodiments, a partition plate 14 is provided between the lower housing 12 and the upper housing 13. The receiving mechanism 30 is provided in multiple sets and arranged in a ring at the lower end of the partition plate 14. The receiving mechanism 30 includes a second cylinder 31 and a receiving column 32 connected to the output end of the second cylinder 31. The partition plate 14 and the base plate 20 are provided with a connecting hole 21 for the cylinder output shaft and the receiving column 32 to pass through. In this invention, the diameter of the connecting hole 21 is larger than the outer diameter of the second cylinder 31 output shaft and the outer diameter of the receiving column 32, so that the second cylinder 31 output shaft and the receiving column 32 can pass smoothly through the connecting hole 21. Preferably, the receiving column 32 can be a rubber column.
[0032] In some embodiments, a sensor 15 is provided on the top of the housing 10, the sensor 15 being used to detect whether there is a heavy workpiece 70 on the substrate 20.
[0033] In some embodiments, columns are provided on both sides of the substrate 20, and the three-axis gantry 60 includes a Y-axis moving module 61 mounted on the columns on both sides of the substrate 20 along the Y-axis, an X-axis moving module 62 arranged laterally on the two Y-axis moving modules 61 along the X-axis, and a Z-axis moving module 63 arranged vertically on the X-axis moving module 62 along the Z-axis. The peristaltic pump 531 is fixedly mounted on the Y-axis sliding block of the Y-axis moving module 61, and the supply pipe 532 and the ultrasonic thickness measuring unit 51 are mounted on the Z-axis sliding block of the Z-axis moving module 63.
[0034] In some embodiments, a safety light curtain 16 is provided on the side of the housing 10 facing the opening of the avoidance passage 11. The safety light curtain 16 is used to detect whether there are personnel operating inside the housing 10. If personnel are detected operating inside the housing 10, the ultrasonic thickness measuring device 50 and the three-axis gantry 60 are prohibited from starting.
[0035] In some embodiments, the housing 10 is further provided with a display module 17 and a button module, the display module 17 being able to display surveying data in real time.
[0036] In summary, this utility model has the following beneficial effects: The automatic thickness measuring device of this utility model has an obstacle avoidance channel 11 at the front end of the housing 10 to facilitate the movement of heavy workpieces 70 into the housing 10 by a gantry crane, thereby greatly saving labor. The heavy workpieces 70 are fixedly clamped on the base plate 20 by the clamping mechanism 40. The ultrasonic thickness measuring device 50 realizes the automatic thickness measuring operation of the heavy workpieces 70. The ultrasonic thickness measuring device 50 is driven to move by the three-axis gantry 60 to perform thickness measuring operations at different positions of the heavy workpieces 70.
[0037] The above description is only a preferred embodiment of the present utility model. Therefore, all equivalent changes or modifications made to the structure, features and principles described in the claims of the present utility model patent application are included in the scope of the present utility model patent application.
Claims
1. An automatic thickness measuring device for heavy workpieces, characterized in that: include The box body (10) has a clearance passage (11) with a front opening at the top. The clearance passage (11) is used for the suspension device of the gantry crane to extend into the box body (10). The substrate (20) is fixedly installed inside the housing (10); The receiving mechanism (30) is installed in the housing (10) in a height-adjustable manner. The receiving mechanism (30) is used to receive the heavy workpiece (70) connected to the suspension device and to transfer the heavy workpiece (70) to the base plate (20). Clamping mechanism (40) is used to fix heavy workpiece (70) on substrate (20); The ultrasonic thickness measuring device (50) includes an ultrasonic thickness measuring unit (51), a coupling agent storage box (52), a coupling agent supply unit (53), and an ultrasonic signal processing unit. The coupling agent storage box (52) is fixedly installed in the box (10) to provide coupling agent. The coupling agent supply unit (53) includes a peristaltic pump (531) and a supply pipe (532). One end of the peristaltic pump (531) is connected to the coupling agent storage box (52), and the other end of the peristaltic pump (531) is connected to the supply pipe (532). The three-axis gantry (60) is used to move the supply pipe (532) and the ultrasonic thickness measuring unit (51) along the X-axis, Y-axis and Z-axis.
2. The automatic thickness measuring device for heavy workpieces according to claim 1, characterized in that: The clamping mechanism (40) is provided in multiple sets. The clamping mechanism (40) includes a fixed block (41), a first cylinder (42) and a clamping block (43). The fixed block (41) is fixedly installed on the base plate (20). The clamping block (43) is pivotally connected to the fixed block (41) near the heavy workpiece (70) via a rotating shaft. The body of the first cylinder (42) is rotatably connected to the fixed block (41) via a bracket (412). The output end of the first cylinder (42) is fixedly connected to the clamping block (43). When the first cylinder (42) is activated, it can drive the fixed block (41) to rotate around the rotating shaft as the rotation axis to clamp the heavy workpiece (70).
3. The automatic thickness measuring device for heavy workpieces according to claim 2, characterized in that: The fixing block (41) is provided with a strip groove (411) on both sides corresponding to the first cylinder (42). The base plate (20) is provided with a positioning hole. The fastener passes through the strip groove (411) and is threadedly connected to the positioning hole to position the fixing block (41). The position of the clamping mechanism (40) relative to the heavy workpiece (70) is adjusted by adjusting the relative position of the fixing block (41) and the positioning hole.
4. An automatic thickness measuring device for heavy workpieces according to any one of claims 1-3, characterized in that: The housing (10) includes a lower housing (12) and an upper housing (13). The substrate (20), the receiving mechanism (30), the clamping mechanism (40), the ultrasonic thickness measuring device (50) and the three-axis gantry (60) are all located in the upper housing (13). An electrical control module is provided in the lower housing (12).
5. An automatic thickness measuring device for heavy workpieces according to claim 4, characterized in that: A partition plate (14) is provided between the lower housing (12) and the upper housing (13). The receiving mechanism (30) is provided in multiple sets and arranged in a ring at the lower end of the partition plate (14). The receiving mechanism (30) includes a second cylinder (31) and a receiving column (32) connected to the output end of the second cylinder (31). The partition plate (14) and the base plate (20) are provided with a connecting hole (21) through which the cylinder output shaft and the receiving column (32) pass.
6. An automatic thickness measuring device for heavy workpieces according to claim 1, characterized in that: A sensor (15) is provided on the top of the housing (10), and the sensor (15) is used to detect whether there is a heavy workpiece (70) on the substrate (20).
7. An automatic thickness measuring device for heavy workpieces according to claim 1, characterized in that: The substrate (20) is provided with columns on both sides. The three-axis gantry (60) includes a Y-axis moving module (61) installed on the columns on both sides of the substrate (20) along the Y-axis, an X-axis moving module (62) arranged laterally on the two Y-axis moving modules (61) along the X-axis, and a Z-axis moving module (63) arranged vertically on the X-axis moving module (62) along the Z-axis. The peristaltic pump (531) is fixedly installed on the Y-axis sliding block of the Y-axis moving module (61). The supply pipe (532) and the ultrasonic thickness measuring unit (51) are installed on the Z-axis sliding block of the Z-axis moving module (63).
8. An automatic thickness measuring device for heavy workpieces according to claim 1, characterized in that: A safety light curtain (16) is provided on the side of the housing (10) facing the opening of the avoidance passage (11).
9. An automatic thickness measuring device for heavy workpieces according to claim 1, characterized in that: The housing (10) is also equipped with a display module (17) and a button module.