Three-dimensional data measurement equipment for mechanical part processing
By designing a light-shielding mechanism and a mechanical component for stabilizing the rotation of the scanning head, the problems of light source interference and displacement error were solved, and high-precision 3D data measurement was achieved.
Patent Information
- Application Number
- CN202520330258.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-02-27
AI Technical Summary
Traditional methods for measuring 3D data of mechanical parts suffer from light source interference and measurement errors when dealing with complex shapes, large workpieces, or high-precision requirements.
A three-dimensional data measurement device for machining mechanical parts was designed, which includes a light-shielding mechanism. Through the cooperation of a rotating threaded rod and a lifting sleeve, the external light source is blocked, and the stable rotation of the scanning head is ensured, avoiding light source interference and displacement error.
It improves the accuracy of 3D data measurement, reduces the impact of external light sources on the measurement, and ensures measurement quality and accuracy.
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Figure CN223610786U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of spare part data measurement, in particular to three -dimensional data measurement equipment for mechanical spare part processing. BACKGROUND
[0002] In traditional manufacturing industry, the size measurement of mechanical spare parts mainly relies on tools such as caliper, micrometer, three-coordinate measuring instrument. However, these traditional measurement methods have many limitations when facing complex shape, large workpiece or high precision requirement.
[0003] At present, when laser scanner is used for three-dimensional data measurement of mechanical spare parts, the reflection of external light source will affect the measurement of laser scanner, and when the external light source is large, it will even seriously affect the measurement value, which brings great trouble to the measurement work. UTILITARIAN CONTENT
[0004] The utility model aims at providing three -dimensional data measurement equipment for mechanical spare part processing to solve the problems in the above background technology.
[0005] In order to achieve the above object, the utility model provides the following technical scheme: three -dimensional data measurement equipment for mechanical spare part processing, including base, the inside of base is provided with shading mechanism, the top of base is provided with connecting cover, the inside of base is provided with multiple groups of scanning head, the inside of base is also provided with placing disc;
[0006] The shading mechanism includes the motor arranged in the inside of base, the output end of motor is connected with rotating roller, one end of rotating roller is fixed with first gear, a plurality of second gears are arranged on the outside of first gear, a plurality of second gears are engaged with first gear, the inside of second gear is provided with threaded sleeve, one end of threaded sleeve is connected with the inner wall of base, the upper end of second gear is provided with rotating threaded rod, one side of rotating threaded rod is provided with lifting sleeve, the outside of second gear is provided with internal gear, and the internal gear is engaged with second gear.
[0007] Preferably, the lower end of the placing disc is provided with a limiting disc, one side of the limiting disc is in contact with the first gear, a plurality of first holes are arranged on the limiting disc, and the size of the plurality of first holes is matched with the rotating threaded rod.
[0008] Preferably, the lower end of the lifting sleeve is provided with a plurality of limiting columns, a plurality of second holes are arranged on the internal gear, and the size of the plurality of second holes is matched with the limiting column.
[0009] Preferably, the inside of the lifting sleeve is provided with a T-shaped groove, and the size of the T-shaped groove is matched with the rotating threaded rod.
[0010] Preferably, the base is provided with a connecting rod, one end of the connecting rod is connected with the connecting cover.
[0011] Preferably, the connecting cover and the lifting sleeve are designed of light shielding material.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] 1. The rotating screw rod drives the lifting sleeve to rise, and the lifting sleeve is inserted into the connecting cover after rising to a certain height, so that the external light source is shielded from entering the device, the accuracy of three-dimensional data measurement is improved, the three-dimensional data detection of mechanical parts is not affected by the external light source, and the quality of mechanical part data detection is reduced.
[0014] 2. The lifting sleeve drives the scanning head to rotate, and the three-dimensional data of the mechanical parts placed on the placing disc is scanned and measured, so that the three-dimensional data of the mechanical parts is measured by rotating the placing disc to drive the mechanical parts to rotate, fine displacement is generated in the rotating process, measurement data error is caused, and the measurement quality is affected. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 It is a schematic diagram of the light shielding mechanism structure of the utility model;
[0017] Figure 3 It is a schematic diagram of the light shielding mechanism structure of the utility model; Figure 2 It is an enlarged view of part A of the utility model;
[0018] Figure 4 It is a schematic diagram of part of the structure of the utility model.
[0019] In the figure: 1, base; 11, connecting rod; 12, connecting cover; 13, placing disc; 131, limiting disc; 14, scanning head; 2, light shielding mechanism; 21, motor; 22, rotating roller; 23, first gear; 24, second gear; 25, inner gear; 26, rotating screw rod; 261, threaded sleeve; 27, lifting sleeve; 271, T-shaped groove; 272, limiting column. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0021] Please refer toFigures 1 to 4 The utility model provides a kind of three-dimensional data measuring equipment for mechanical parts processing, including base 1, base 1 inside is provided with shading mechanism 2, base 1 upper is provided with connecting cover 12, base 1 inside is provided with multiple scanning heads 14, base 1 inside is further provided with placing tray 13;
[0022] Shading mechanism 2 includes the motor 21 being arranged in the base 1 inside, the output end of motor 21 is connected rotating roller 22, rotating roller 22 one end is fixed with first gear 23, first gear 23 outside is provided with multiple second gears 24, multiple second gears 24 are engaged with first gear 23, second gear 24 inside is provided with threaded sleeve 261, threaded sleeve 261 one end is slidably connected with the inner wall of base 1, second gear 24 upper end is provided with rotating threaded rod 26, rotating threaded rod 26 one side is provided with lifting sleeve 27, second gear 24 outside is provided with internal gear 25, and internal gear 25 is engaged with second gear 24.
[0023] Before using the device, the mechanical parts to be measured are placed on the placing tray 13, the motor 21 is started to drive the rotating roller 22 to rotate, the rotating roller 22 drives the first gear 23 to rotate, the first gear 23 drives the second gear 24 to rotate, the second gear 24 drives the threaded sleeve 261 to rotate, the threaded sleeve 261 drives the rotating threaded rod 26 to rise, the rotating threaded rod 26 drives the lifting sleeve 27 to rise, and the lifting sleeve 27 is inserted into the connecting cover 12 after rising to a certain height. The external light source enters the device interior, improves the accuracy of three-dimensional data measurement, avoids the influence of external light source on three-dimensional data detection of mechanical parts, and reduces the quality of mechanical parts data detection.
[0024] Meanwhile, the second gear 24 drives the internal gear 25 to rotate, the internal gear 25 rotates and drives the lifting sleeve 27 to rotate through the insertion of the limiting column 272, the lifting sleeve 27 rotates and drives the scanning head 14 to rotate, the mechanical parts placed on the placing tray 13 are scanned and measured for three-dimensional data, and the placing tray 13 is prevented from rotating to drive the mechanical parts to rotate to measure the three-dimensional data of the mechanical parts. In the process of rotation, slight displacement is generated, which causes measurement error and affects the quality of measurement.
[0025] In an optional embodiment, the lower end of the placing tray 13 is provided with a limiting disc 131, the limiting disc 131 is in contact with the first gear 23 on one side, and a plurality of first holes are provided on the limiting disc 131, and the size of the plurality of first holes is adapted to the rotating threaded rod 26.
[0026] It should be noted that the plurality of first holes on the limiting disc 131 are in contact with the rotating threaded rod 26 and are limited by the rotating threaded rod 26, so that the rotation of the first gear 23 does not affect the rotation of the limiting disc 131, thereby driving the placement disc 13 to rotate, and further avoiding the rotation of the mechanical parts on the placement disc 13, thereby improving the measurement accuracy of the device on the mechanical parts.
[0027] In an optional embodiment, the lower end of the lifting sleeve 27 is provided with a plurality of limiting columns 272, and the inner gear 25 is provided with a plurality of second holes, the size of which is matched with the limiting columns 272.
[0028] It should be noted that the rotation of the first gear 23 drives the rotation of the second gear 24, the rotation of the second gear 24 drives the rotation of the threaded sleeve 261, the rotation of the threaded sleeve 261 drives the lifting of the rotating threaded rod 26, and the lifting of the rotating threaded rod 26 drives the lifting of the lifting sleeve 27. When the lifting sleeve 27 is lifted, the limiting columns 272 slide on the inner gear 25 but do not come off, so that when the inner gear 25 rotates, the lifting sleeve 27 is driven to rotate by the limiting columns 272, thereby driving the scanning head 14 to rotate and measuring the mechanical parts on the placement disc 13.
[0029] In an optional embodiment, the lifting sleeve 27 is internally provided with a T-shaped groove 271, the size of which is matched with the rotating threaded rod 26.
[0030] It should be noted that the rotating threaded rod 26 is lifted to drive the lifting of the lifting sleeve 27. The inner gear 25 is rotated to drive the rotation of the lifting sleeve 27, and the T-shaped groove 271 is used to make the rotating threaded rod 26 still fit the T-shaped groove 271 when the lifting sleeve 27 rotates, so as not to limit the rotation of the lifting sleeve 27, and make the scanning head 14 rotate at a constant speed to measure the mechanical parts on the placement disc 13.
[0031] In an optional embodiment, the base 1 is provided with a connecting rod 11, one end of which is connected with a connecting cover 12.
[0032] It should be noted that the connecting rod 11 is connected with the connecting cover 12, and when the lifting sleeve 27 is lifted to a certain height, the lifting sleeve 27 is inserted into the connecting cover 12 to shield the mechanical parts on the placement disc 13.
[0033] In an optional embodiment, the connecting cover 12 and the lifting sleeve 27 are designed of light-shielding materials.
[0034] It should be noted that the connecting cover 12 and the lifting sleeve 27 are used in cooperation to shield the mechanical parts on the placement disc 13, so as to avoid the influence of light source on the measurement effect of the device.
[0035] Working principle: before using the device, the mechanical parts to be measured are placed on the placing disc 13, the motor 21 is started to drive the rotating roller 22 to rotate, the rotating roller 22 drives the first gear 23 to rotate, the first gear 23 drives the second gear 24 to rotate, the second gear 24 drives the threaded sleeve 261 to rotate, the threaded sleeve 261 drives the rotating threaded rod 26 to rise, the rotating threaded rod 26 drives the lifting sleeve 27 to rise, and the lifting sleeve 27 is inserted into the inside of the connecting cover 12 after rising to a certain height, so that the light source outside is blocked from entering the inside of the device.
[0036] At the same time, the second gear 24 drives the inner gear 25 to rotate, the inner gear 25 rotates and drives the lifting sleeve 27 to rotate through the insertion with the limiting column 272, and the lifting sleeve 27 drives the scanning head 14 to rotate, so as to scan and measure the three-dimensional data of the mechanical parts placed on the placing disc 13.
[0037] The first gear 23 drives the second gear 24 to rotate, the second gear 24 drives the threaded sleeve 261 to rotate, the threaded sleeve 261 drives the rotating threaded rod 26 to rise, the rotating threaded rod 26 drives the lifting sleeve 27 to rise, and the limiting column 272 slides with the inner gear 25 but does not separate when the lifting sleeve 27 rises, so that the lifting sleeve 27 is driven to rotate through the limiting column 272 when the inner gear 25 rotates, thereby driving the scanning head 14 to rotate and measuring the mechanical parts on the placing disc 13.
[0038] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A three-dimensional data measuring apparatus for machining of mechanical parts, comprising a base (1), characterized in that, The base (1) is internally provided with a light shielding mechanism (2), the base (1) is provided with a connecting cover (12) above, the base (1) is internally provided with a plurality of scanning heads (14), and the base (1) is further internally provided with a placing disc (13); The light shielding mechanism (2) comprises a motor (21) arranged in the base (1), the output end of the motor (21) is connected with a rotating roller (22), one end of the rotating roller (22) is fixedly connected with a first gear (23), a plurality of second gears (24) are arranged on the outer side of the first gear (23), the plurality of second gears (24) are in meshing connection with the first gear (23), a threaded sleeve (261) is arranged in the second gear (24), one end of the threaded sleeve (261) is in sliding connection with the inner wall of the base (1), a rotating threaded rod (26) is arranged on the upper end of the second gear (24), an elevating sleeve (27) is arranged on one side of the rotating threaded rod (26), an internal gear (25) is arranged on the outer side of the second gear (24), and the internal gear (25) is in meshing connection with the second gear (24).
2. The three-dimensional data measuring apparatus for machining of mechanical parts according to claim 1, wherein The lower end of the placing disc (13) is provided with a limiting disc (131), one side of the limiting disc (131) is in contact with the first gear (23), a plurality of first holes are arranged on the limiting disc (131), and the sizes of the plurality of first holes are matched with the rotating threaded rod (26).
3. The three-dimensional data measuring apparatus for machining of mechanical parts according to claim 1, wherein The lower end of the elevating sleeve (27) is provided with a plurality of limiting columns (272), a plurality of second holes are arranged on the internal gear (25), and the sizes of the plurality of second holes are matched with the limiting columns (272).
4. The three-dimensional data measuring apparatus for machining of mechanical parts according to claim 1, wherein The elevating sleeve (27) is internally provided with a T-shaped groove (271), and the size of the T-shaped groove (271) is matched with the rotating threaded rod (26).
5. The three-dimensional data measuring apparatus for machining of mechanical parts according to claim 1, wherein The base (1) is provided with a connecting rod (11), one end of the connecting rod (11) is connected with the connecting cover (12).
6. The three-dimensional data measuring apparatus for machining of mechanical parts according to claim 1, wherein The connecting cover (12) and the elevating sleeve (27) are both made of light shielding material.