Workpiece contour acquisition device

By designing a workpiece contour acquisition device, utilizing the coaxial light source path of the laser emitter and lens, combined with a tilting drive motor and an arc frame, the problems of slow acquisition speed and large error in the traditional method of part contour acquisition are solved, and stable and complete acquisition of workpiece contour and generation of three-dimensional images are achieved.

CN222144066UActive Publication Date: 2024-12-10JILIN ZHONGFA MASCH MFG CO LTD
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Patent Information

Application Number
CN202420536166.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-20
Publication Date
2024-12-10
Estimated Expiration
2034-03-20

AI Technical Summary

Technical Problem

In the traditional die-casting of parts, manual measurement and handheld contour acquisition devices suffer from problems such as slow speed, large errors, and incomplete scanning.

Method used

A workpiece contour acquisition device was designed, including a main frame, a placement stage, a traveling frame, an acquisition device traveling mechanism, and a contour acquisition device. It utilizes a laser emitter and a lens to design a coaxial light source path, and combines a tilting drive motor and an arc frame to achieve stable scanning of the workpiece contour and acquisition of three-dimensional images.

Benefits of technology

It achieves complete acquisition of the workpiece contour, avoiding incomplete acquisition problems caused by unstable scanning path speed and distance, and improving acquisition efficiency and accuracy.

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Abstract

The utility model discloses a workpiece contour acquisition device, which comprises a main frame, a placement table, a walking frame, a collector walking mechanism and a contour collector, an operation panel is arranged on the main frame; the placing table is arranged on the main frame; two ends of the walking frame are coupled with two ends of the placing table; a tilting driving motor and an arc-shaped frame are arranged on the walking frame, and the contour collector walks on the arc-shaped frame through a collector walking mechanism; a lens and a laser transmitter are arranged in the contour collector; an emitting laser light source of the laser emitter can be coaxial with a lens image light source path; the walking frame can tilt along the connecting axis of the placing table; the contour collector can perform laser contour scanning collection or three-dimensional workpiece image collection on the workpiece and the contour placed on the placing table, data collected by the contour collector is transmitted to the PC terminal, and a workpiece three-dimensional image is generated through modeling software; and the problems of incomplete contour acquisition and the like caused by unstable scanning path speed and distance in the use process of the handheld three-dimensional scanning equipment are solved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of image acquisition equipment, and in particular relates to a workpiece contour acquisition device. Background Art

[0002] Traditional parts and components are manufactured by manually measuring and then using drawing software to draw the graphics of the parts. Drawing the parts in this way is not only slow, but also has large errors. Although handheld contour acquisition sensors are easy to use, the contour acquisition is incomplete during the scanning process due to unstable speed and distance of the part contour, resulting in incomplete collection of the part structure contour. Summary of the invention

[0003] The purpose of the present invention is to solve the above-mentioned problem and provide a workpiece contour acquisition device.

[0004] A workpiece contour acquisition device, comprising: a main frame 1, a placement table 2, a traveling frame 3, a collector traveling mechanism 4, and a contour collector 5; the main frame 1 is provided with an operation panel 11; the placement table 2 is arranged on the main frame 1; the two ends of the traveling frame 3 are axially connected to the two ends of the placement table 2; the traveling frame 3 is provided with a tilting drive motor 34; the traveling frame 3 is provided with an arc frame 33, and the collector traveling mechanism 4 is sleeved on the arc frame 33; the contour collector 5 is fixed on the collector traveling mechanism 4; the contour collector 5 is provided with a lens and a laser emitter; the laser light source of the laser emitter can be coaxial with the lens image light source path; the tilting drive motor 34 drives the contour collector 5 to tilt along the axis line connected to the placement table 2.

[0005] The contour collector 5 includes: a collector frame clamping portion 51, a collector frame 52, a first lens 53, a second lens 54, a laser emitter 55, a first prism 56, a second prism 57, and a refractor 58; the first lens 53 and the second lens 54 are arranged on the collector frame 52; the laser emitter 55 is arranged between the first lens 53 and the second lens 54; the first prism 56 is arranged at the front end of the first lens 53, and the second prism 57 is arranged at the front end of the second lens 54; the lower end of the refractor 58 is axially connected between the first prism 56 and the second prism 57.

[0006] A first limit card 581 and a second limit card 582 are respectively provided on both sides of the refractor 58; the first limit card 581 limits the refractor 58 to a refraction angle of positive 45 degrees, and the second limit card 582 limits the refractor 58 to a refraction angle of negative 45 degrees; the laser light source of the laser transmitter can be coaxial with the lens image light source path of the first lens 53 through the refractor 58 and the first prism 56, or coaxial with the lens image light source path of the second lens 54 through the refractor 58 and the second prism 57.

[0007] A first axis connection part 21 and a second axis connection part 22 are respectively provided at both ends of the placement table 2; a first connecting shaft 31, a second connecting shaft 32, an arc frame 33, and a tilting drive motor 34 are respectively provided at both ends of the arc frame 33; the first connecting shaft 31 and the second connecting shaft 32 are respectively provided at both ends of the arc frame 33; the first connecting shaft 31 is axially connected at the first axis connection part 21; the output shaft of the tilting drive motor 34 passes through the axis center of the second connecting shaft 32 and is connected to the second axis connection part 22; the body of the tilting drive motor 34 is fixed on the outside of the second connecting shaft 32, and the tilting drive motor 34 drives the walking frame 3 to flip over on the upper end face of the placement table 2; the outer arc surface of the arc frame 33 is provided with a first electrode sheet 331 and a second electrode sheet 332, and the inner side of the arc frame 33 is provided with an annular gear 333; the arc centers of the first electrode sheet 331, the second electrode sheet 332, the annular gear 333 and the arc frame 33 coincide.

[0008] The collector walking mechanism 4 includes: a walking mechanism frame 41, a walking drive gear 42, an inner ring walking wheel 43, an outer electrode wheel 44, a power supply regulator 45, and a walking drive motor 46; a walking frame sliding slot 411 is provided on the inner side of the walking mechanism frame 41; a collector frame card slot 412 is provided on the outer side of the walking mechanism frame 41; the collector frame card slot 412 is carded in the collector frame card slot 412; there are two inner ring walking wheels 43, and the two inner ring walking wheels 43 are arranged on both sides of the walking drive gear 42; the two inner ring walking wheels 43 are coaxially connected to the walking drive gear 42 and are connected to the walking mechanism frame 41. The power output shaft of the walking drive motor 46 is connected; there are at least two outer electrode wheels 44, which are the first outer electrode wheel 441 and the second outer electrode wheel 442; the first outer electrode wheel 441 is in close contact with the first electrode sheet 331; the second outer electrode wheel 442 is in close contact with the second electrode sheet 332; the walking drive motor 46 is arranged on the walking mechanism frame 41; the power output shaft of the walking drive motor 46 is connected with the walking drive shaft 421; the first outer electrode wheel 441, the second outer electrode wheel 442 and the walking drive motor 46 are electrically connected with the power supply regulator 45.

[0009] A limit card plate 511 is provided at the upper end of the collector frame clamping part 51; magnetic flanges 512 are provided at both ends of the limit card plate 511; magnetic buckles 413 are provided on both sides above the collector frame clamping slot 412; and the magnetic flange 512 is connected to the magnetic buckle 413 by magnetic attraction.

[0010] The upper end surface of the placement platform 2 is also provided with a reference scale 23 .

[0011] The technical scheme provides a workpiece contour acquisition device, which includes: a main frame, a placement table, a traveling frame, a collector walking mechanism, and a contour collector; the main frame is provided with an operation panel; the placement table is arranged on the main frame; the two ends of the traveling frame are axially connected to the two ends of the placement table; the traveling frame is provided with a tilting drive motor and an arc frame, and the contour collector walks on the arc frame through the collector walking mechanism; the contour collector is provided with a lens and a laser emitter; the laser light source emitted by the laser emitter can be coaxial with the lens image light source path; the traveling frame can be tilted along the axis line connected to the placement table; the contour collector can perform laser contour scanning and acquisition or three-dimensional workpiece image acquisition on the workpiece and the contour placed on the placement table, and the data collected by the contour collector is transmitted to the PC end and the three-dimensional image of the workpiece is generated through the modeling software; to avoid problems such as incomplete contour acquisition due to unstable scanning path speed and distance during the use of handheld three-dimensional scanning equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is an overall schematic diagram of a workpiece contour acquisition device of the utility model;

[0013] Figure 2 It is a partial structural schematic diagram of a workpiece contour acquisition device of the utility model;

[0014] Figure 3 This is a schematic diagram of a rear view of a walking mechanism in a workpiece contour acquisition device of the utility model;

[0015] Figure 4 This is a schematic diagram of the front view of the walking mechanism in a workpiece contour acquisition device of the utility model;

[0016] Figure 5 This is a schematic diagram of a collector frame in a workpiece contour collection device of the utility model from an upward angle;

[0017] Figure 6 This is a schematic diagram of the structure of a contour collector in a workpiece contour collection device of the utility model;

[0018] Figure 7 This is a schematic diagram of the optical path of a contour collector in a workpiece contour collection device of the utility model;

[0019] In the figure: 1, main frame, 11, operation panel, 2, placement table, 21, first shaft connection part, 22, second shaft connection part, 23, reference scale, 3, walking frame, 31, first connecting shaft, 32, second connecting shaft, 33, arc frame, 331, first electrode sheet, 332, second electrode sheet, 333, annular gear, 34, tilting drive motor, 4, collector walking mechanism, 41, walking mechanism frame, 411, walking frame sliding slot, 412, collector frame slot, 413, magnetic buckle, 42, walking drive gear, 4 21. Travel drive shaft, 43. Inner ring travel wheel, 44. Outer electrode wheel, 441. First outer electrode wheel, 442. Second outer electrode wheel, 45. Power supply stabilizer, 46. Travel drive motor, 5. Contour collector, 51. Collector frame clamping part, 511. Limit clamping plate, 512. Magnetic flange, 52. Collector frame, 53. First lens, 54. Second lens, 55. Laser emitter, 56. First prism, 57. Second prism, 58. Refractor, 581. First limit clamp, 582. Second limit clamp. DETAILED DESCRIPTION

[0020] The technical scheme will be further described clearly and completely below in conjunction with the accompanying drawings of the technical scheme. The described embodiments are only a part of the technical scheme, not all of the embodiments. Based on the technical scheme, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Example

[0021] See also Figures 1 to 7 As shown, a workpiece contour collection device comprises: a main frame 1, a placing table 2, a walking frame 3, a collector walking mechanism 4, and a contour collector 5;

[0022] The main frame 1 is provided with an operation panel 11; the placement table 2 is provided on the main frame 1; the first shaft connection part 21 and the second shaft connection part 22 are provided at both ends of the placement table 2; the central axis of the first shaft connection part 21 and the central axis of the second shaft connection part 22 are on the same straight line;

[0023] The upper end surface of the placing platform 2 is also provided with a ruler 23.

[0024] The two ends of the walking frame 3 are provided with: a first connecting shaft 31, a second connecting shaft 32, an arc frame 33, and a tilting drive motor 34; the first connecting shaft 31 and the second connecting shaft 32 are respectively arranged at the two ends of the arc frame 33; the first connecting shaft 31 is axially connected to the first axial connection portion 21; the output shaft of the tilting drive motor 34 passes through the axis of the second connecting shaft 32 and is connected to the second axial connection portion 22; the body of the tilting drive motor 34 is fixed on the outside of the second connecting shaft 32, and the tilting drive motor 34 drives the walking frame 3 to flip over on the upper end surface of the placement table 2;

[0025] The arc frame 33 has two parallel electrode sheets on its outer arc surface. The two parallel electrode sheets are respectively a first electrode sheet 331 and a second electrode sheet 332. The first electrode sheet 331 and the second electrode sheet 332 provide motor driving power. The arc frame 33 has an annular gear 333 on its inner side. The arc centers of the first electrode sheet 331, the second electrode sheet 332, the annular gear 333 and the arc frame 33 coincide.

[0026] The collector walking mechanism 4 includes: a walking mechanism frame 41, a walking drive gear 42, an inner ring walking wheel 43, an outer electrode wheel 44, a power supply stabilizer 45, and a walking drive motor 46;

[0027] The walking mechanism frame 41 is a C-shaped member, and a walking frame sliding slot 411 is provided on the inner side of the walking mechanism frame 41; a collector frame card slot 412 is provided on the outer side of the walking mechanism frame 41; and magnetic buckles 413 are provided on both sides above the collector frame card slot 412;

[0028] There are two inner ring walking wheels 43, and the two inner ring walking wheels 43 are arranged on both sides of the walking drive gear 42; the walking drive gear 42 is provided with a walking drive shaft 421, and the two inner ring walking wheels 43 are sleeved on the walking drive shaft 421; there are at least two outer electrode wheels 44, and four are provided in this technical solution; the outer electrode wheels 44 are axially connected to the walking mechanism frame 41; the outer electrode wheels 44 are respectively the first outer electrode wheel 441 and the second outer electrode wheel 442; the first outer electrode wheel 441 is in close contact with the first electrode sheet 331; the second outer electrode wheel 442 is in close contact with the second electrode sheet 332; the walking drive motor 46 is arranged on the walking mechanism frame 41; the power output shaft of the walking drive motor 46 is connected to the walking drive shaft 421; the first outer electrode wheel 441, the second outer electrode wheel 442 and the walking drive motor 46 are electrically connected to the power supply regulator 45;

[0029] The annular gear teeth 333 are meshed with the travel driving gear 42 for transmission.

[0030] The contour collector 5 is a laser contour image collector, and the contour collector 5 includes: a collector frame clamping portion 51, a collector frame 52, a first lens 53, a second lens 54, a laser emitter 55, a first prism 56, a second prism 57, and a refractor 58;

[0031] The collector frame clamping part 51 is fixedly connected to the collector frame 52 by screw locking; a limit clamping plate 511 is provided at the upper end of the collector frame clamping part 51; magnetic flanges 512 are provided at both ends of the limit clamping plate 511; the collector frame clamping part 51 can be clamped in the collector frame clamping slot 412, and the magnetic flange 512 is magnetically adsorbed and connected to the magnetic buckle 413;

[0032] The first lens 53 and the second lens 54 are arranged on the collector frame 52; the laser emitter 55 is arranged between the first lens 53 and the second lens 54; the image light source paths of the first lens 53, the second lens 54 and the laser emitter 55 are parallel; the laser light source of the laser emitter is coaxial with the image light source path of the first lens 53 or the second lens 54 through the first prism 56 or the second prism 57;

[0033] The first prism 56 is arranged at the front end of the first lens 53, and the second prism 57 is arranged at the front end of the second lens 54; the lower end of the refractor 58 is axially connected between the first prism 56 and the second prism 57; a first limit card 581 and a second limit card 582 are respectively provided on both sides of the refractor 58; the first limit card 581 limits the refractor 58 at a refraction angle of positive 45 degrees, and the second limit card 582 limits the refractor 58 at a refraction angle of negative 45 degrees; when the refractor 58 is at a refraction angle of positive 45 degrees, the laser light source emitted by the laser emitter 55 is first refracted to the first prism 56 through the refractor 58; the laser light source and the image acquisition light source axis of the first lens 53 are merged through the first prism 56; when the refractor 58 is at a refraction angle of negative 45 degrees, the laser light source emitted by the laser emitter 55 is first refracted to the second prism 57 through the refractor 58; the laser light source and the image acquisition light source axis of the second lens 54 are merged through the second prism 57.

[0034] The tilt drive motor 34, the first electrode sheet 331, the second electrode sheet 332, the first lens 53, the second lens 54, and the laser emitter 55 are electrically controlled and connected to the operation panel 11; the data collected by the contour collector is transmitted to the PC and a three-dimensional image of the workpiece is generated through the modeling software to complete the workpiece graphic image acquisition.

Claims

1. A workpiece contour acquisition device, comprising: A main frame (1), a placement table (2), a walking frame (3), a collector walking mechanism (4), and a contour collector (5); characterized in that: an operation panel (11) is provided on the main frame (1); the placement table (2) is arranged on the main frame (1); the two ends of the walking frame (3) are axially connected to the two ends of the placement table (2); a tilting drive motor (34) is provided on the walking frame (3); an arc frame (33) is provided in the walking frame (3), and the collector walking mechanism (4) is sleeved on the arc frame (33); the contour collector (5) is fixed on the collector walking mechanism (4); a lens and a laser emitter are provided in the contour collector (5); the laser light source of the laser emitter can be coaxial with the lens image light source path; the tilting drive motor (34) drives the contour collector (5) to tilt along the axis line connected to the placement table (2).

2. A workpiece contour acquisition device according to claim 1, characterized in that: The profile collector (5) comprises: a collector frame clamping portion (51), a collector frame (52), a first lens (53), a second lens (54), a laser emitter (55), a first prism (56), a second prism (57), and a refractor (58); the first lens (53) and the second lens (54) are arranged on the collector frame (52); the laser emitter (55) is arranged between the first lens (53) and the second lens (54); the first prism (56) is arranged at the front end of the first lens (53), and the second prism (57) is arranged at the front end of the second lens (54); and the lower end of the refractor (58) is axially connected between the first prism (56) and the second prism (57).

3. A workpiece contour acquisition device according to claim 2, characterized in that: A first limit card (581) and a second limit card (582) are respectively provided on both sides of the refractor (58); the first limit card (581) limits the refractor (58) to a refraction angle of positive 45 degrees, and the second limit card (582) limits the refractor (58) to a refraction angle of negative 45 degrees; the laser light source of the laser emitter can be coaxial with the lens image light source path of the first lens (53) through the refractor (58) and the first prism (56), or coaxial with the lens image light source path of the second lens (54) through the refractor (58) and the second prism (57).

4. A workpiece contour acquisition device according to claim 3, characterized in that: The placing platform (2) is provided with a first shaft connection portion (21) and a second shaft connection portion (22) at both ends; the walking frame (3) is provided with a first connecting shaft (31), a second connecting shaft (32), an arc frame (33), and a tilting drive motor (34) at both ends; the first connecting shaft (31) and the second connecting shaft (32) are respectively provided at both ends of the arc frame (33); the first connecting shaft (31) is axially connected to the first shaft connection portion (21); the output shaft of the tilting drive motor (34) passes through the axis of the second connecting shaft (32) and is connected to the first connecting shaft (31). The two shaft connecting parts (22) are connected; the tilting drive motor (34) is fixed on the outside of the second connecting shaft (32), and the tilting drive motor (34) drives the walking frame (3) to flip the end surface on the placement table (2); the outer arc surface of the arc frame (33) is provided with a first electrode sheet (331) and a second electrode sheet (332), and the inner side of the arc frame (33) is provided with an annular gear (333); the arc centers of the first electrode sheet (331), the second electrode sheet (332), the annular gear (333) and the arc frame (33) coincide with each other.

5. A workpiece contour acquisition device according to claim 4, characterized in that: The collector walking mechanism (4) comprises: a walking mechanism frame (41), a walking drive gear (42), an inner ring walking wheel (43), an outer electrode wheel (44), a power supply regulator (45), and a walking drive motor (46); a walking frame sliding notch (411) is provided on the inner side of the walking mechanism frame (41); a collector frame card slot (412) is provided on the outer side of the walking mechanism frame (41); the collector frame card slot (412) is card-engaged in the collector frame card slot (412); two inner ring walking wheels (43) are provided, and the two inner ring walking wheels (43) are arranged on both sides of the walking drive gear (42); the two inner ring walking wheels (43) are coaxially connected to the walking drive gear (42), and are connected to the power output shaft of the walking drive motor (46); the outer electrode wheel (44) at least two outer electrode wheels (44) are provided, the outer electrode wheels (44) are respectively the first outer electrode wheel (441) and the second outer electrode wheel (442); the first outer electrode wheel (441) is in close contact with the first electrode sheet (331); the second outer electrode wheel (442) is in close contact with the second electrode sheet (332); the travel drive motor (46) is provided on the travel mechanism frame (41); the power output shaft of the travel drive motor (46) is connected to the travel drive shaft (421); the inner side of the arc frame (33) is provided with an annular gear (333), and the annular gear (333) is meshed with the travel drive gear (42) for transmission; the first outer electrode wheel (441), the second outer electrode wheel (442) and the travel drive motor (46) are electrically connected to the power supply stabilizer (45).

6. A workpiece contour acquisition device according to claim 5, characterized in that: A limiting card plate (511) is provided at the upper end of the collector frame clamping portion (51); magnetic flanges (512) are provided at both ends of the limiting card plate (511); magnetic buckles (413) are provided on both sides above the collector frame clamping slot (412); and the magnetic flange (512) and the magnetic buckle (413) are connected by magnetic attraction.

7. A workpiece contour acquisition device according to claim 6, characterized in that: The upper end surface of the placement platform (2) is also provided with a reference scale (23).