High-load automatic single-shaft rotary table

Abstract

The utility model relates to the technical field of three-dimensional scanners, in particular to a high-load automatic single-shaft rotary table which comprises a base assembly, a power assembly, a transmission assembly and a rotary table, and a containing space used for installing the power assembly, the transmission assembly and a bearing assembly is formed in the base assembly. The transmission assembly comprises a stepping motor, a speed reducing mechanism and an adjusting mechanism, the stepping motor is installed in the containing space, the input end of the speed reducing mechanism is connected with an output shaft of the stepping motor, the adjusting mechanism is arranged on the speed reducing mechanism and used for adjusting transmission tension, and the rotating disc is arranged on the speed reducing mechanism and used for adjusting transmission tension. The speed reducing mechanism comprises at least two stages of speed reducing structures, the transmission ratio range of the speed reducing mechanism is 150: 1 to 250: 1, the load capacity of the speed reducing mechanism is greatly enhanced, and the problem of structural damage caused by low load and long-time operation of the rotary table is ingeniously solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to three -dimensional scanner technical field, concretely relates to a kind of high load automation single-shaft rotary table. BACKGROUND

[0002] Three-dimensional scanner needs to be used with special automatic rotary table when using, for realizing object automatic rotation when three-dimensional scanning, to complete splicing alignment work.It can make scanned object complete automatic rotation according to any angle, and then effectively improve scanning efficiency, guarantee scanning quality.

[0003] But most rotary tables on the market have the problem of limited load capacity, which is difficult to bear heavy objects for scanning.If used for a long time in the case of approaching load limit, the rotary table structure is easily damaged, which affects the rotation accuracy, and ultimately leads to distortion of scanning results, and cannot accurately obtain object surface information. UTILITY MODEL CONTENTS

[0004] The utility model is directed at the deficiencies of prior art, and provides a kind of high load automation single-shaft rotary table to reach the purpose of improving scanning result accuracy.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions:

[0006] The utility model provides a kind of high load automation single-shaft rotary table, comprising: base assembly, power assembly, transmission assembly and turntable;

[0007] The base assembly is internally formed with a containing space for mounting the power assembly, transmission assembly and bearing assembly;

[0008] The transmission assembly includes a stepper motor, a speed reduction mechanism and an adjustment mechanism.

[0009] The stepper motor is installed in the containing space, the input end of the speed reduction mechanism is connected with the stepper motor output shaft, the adjustment mechanism is arranged in the speed reduction mechanism and is used for adjusting transmission tension, and the turntable is arranged in the speed reduction mechanism.

[0010] The speed reduction mechanism is a speed reduction structure comprising at least two stages, and the transmission ratio range is 150:1 to 250:1.

[0011] In some embodiments, the transmission ratio is 200:1.

[0012] In some embodiments, the base assembly includes a bottom plate, a side plate vertically fixed to the edge of the bottom plate, and a top plate sealing the side plate.

[0013] In some embodiments, the speed reduction mechanism comprises a first transmission belt, a first stage speed reduction part, a second transmission belt, a second stage speed reduction part, the stepper motor drives the first stage speed reduction part to rotate together through the first transmission belt, the first stage speed reduction part drives the second stage speed reduction part to rotate together through the second transmission belt;

[0014] The first stage speed reduction part comprises a first speed reduction wheel sleeved on the output shaft of the stepper motor and a second speed reduction wheel in transmission connection with the first transmission belt, the second speed reduction wheel is rotationally arranged in the base assembly, the first transmission belt is in transmission cooperation with the first speed reduction wheel, the second stage speed reduction part comprises a third speed reduction wheel, a fourth speed reduction wheel and a guide column, the second speed reduction wheel is stacked with the third speed reduction wheel through a connecting shaft, the second transmission belt is used for transmission connection between the third speed reduction wheel and the fourth speed reduction wheel, the fourth speed reduction wheel is rotationally arranged in the base assembly, the guide column is connected with the fourth speed reduction wheel, the top of the guide column is higher than the first speed reduction wheel and the second speed reduction wheel, and the guide column is partially penetrated through the top plate;

[0015] Wherein, the second speed reduction wheel is larger in size than the first speed reduction wheel, and the fourth speed reduction wheel is larger in size than the third speed reduction wheel.

[0016] In some embodiments, the adjusting mechanism comprises a fixed block fixed to the bottom plate and a tensioning wheel rotatably installed on the fixed block, wherein the fixed block and the tensioning wheel have two, which are respectively in contact with the outer edges of the first transmission belt and the second transmission belt.

[0017] In some embodiments, a plain bearing is further arranged on the guide column and rotationally connected with the rotating disc.

[0018] In some embodiments, a control board support arranged on the bottom plate and a control circuit board installed on the control board support are further arranged, and the control circuit board is connected with the stepper motor through a wire.

[0019] In some embodiments, a power interface, a data interface and a start-stop switch are integrated on the side plate, the power interface, the data interface and the start-stop switch are connected with the control circuit board, and the start-stop switch is used for regulating the opening and closing of the control circuit board.

[0020] In some embodiments, a plurality of elastic supporting foot pads are arranged at the bottom of the bottom plate, and the plurality of elastic supporting foot pads are fixed to the lower surface of the bottom plate through screw connection or buckling.

[0021] In some embodiments, the rotating disc is parallel to the plane of the bottom plate, and the central axis of the rotating disc is coaxially arranged with the plain bearing.

[0022] Further, the utility model has the advantages that:

[0023] The utility model discloses a high load automation single -shank revolving stage whole structure, including the top plate, the bottom plate, the first transmission belt, the second transmission belt, the third transmission belt, the fourth transmission belt, the first reduction wheel, the second reduction wheel, the third reduction wheel, the fourth reduction wheel, the fixed block, the control circuit board, the step motor, the data interface, the power interface, the elastic support foot pad, the start -stop switch, the side plate, the guiding column, the plane bearing, the expansion wheel, the fixed block is fixed on the bottom plate, and the control circuit board is fixed on the fixed block.

[0024] Meanwhile adopt step motor and two -level reduction structure cooperation, further promote the load capacity of revolving stage, work accuracy and operating stability. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the schematic diagram of high load automation single -shank revolving stage whole structure one angle that the utility model provides;

[0026] Figure 2 It is the schematic diagram of high load automation single -shank revolving stage whole structure another angle that the utility model provides;

[0027] Figure 3 It is the schematic diagram of high load automation single -shank revolving stage whole structure removes the revolving disc that the utility model provides;

[0028] Figure 4 It is the schematic diagram of high load automation single -shank revolving stage whole structure internal partial structure that the utility model provides;

[0029] Figure 5 It is the schematic diagram of high load automation single -shank revolving stage middle reduction mechanism structure that the utility model provides.

[0030] In the drawing: 1 - revolving disc, 2 - side plate, 3 - start -stop switch, 4 - elastic support foot pad, 5 - power interface, 6 - data interface, 7 - bottom plate, 8 - top plate, 9 - plane bearing, 10 - guiding column, 11 - first reduction wheel, 12 - second reduction wheel, 13 - first transmission belt, 14 - step motor, 15 - control circuit board, 16 - fixed block, 17 - expansion wheel, 18 - fourth reduction wheel, 19 - second transmission belt, 20 - third reduction wheel. DETAILED DESCRIPTION

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model. In the description of the embodiments of the present utility model, unless otherwise stated, " / " means "or", for example, A / B can mean A or B; "and / or" in the text is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A alone, A and B simultaneously, and B alone. In addition, in the description of the embodiments of the present utility model, "multiple" means two or more. Hereinafter, the terms "first" and "second" are used for descriptive purposes only and should not be construed as implying or suggesting relative importance or implicitly indicating the number of indicated technical features. Therefore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of this utility model, unless otherwise stated, "multiple" means two or more.

[0032] like Figures 1-5 As shown, this utility model embodiment provides a high-load automated single-axis rotary table, including: a base assembly, a power assembly, a transmission assembly, and a turntable 1;

[0033] The base assembly has internal space for mounting the power assembly, transmission assembly, and load-bearing assembly;

[0034] The transmission components include a stepper motor 14, a reduction mechanism, and an adjustment mechanism;

[0035] The stepper motor 14 is installed in the receiving space, the input end of the reduction mechanism is connected to the output shaft of the stepper motor 14, the adjustment mechanism is set in the reduction mechanism and used to adjust the transmission tension, and the turntable 1 is set in the reduction mechanism;

[0036] The reduction mechanism is a reduction structure with at least two stages, and its transmission ratio ranges from 150:1 to 250:1. In the above structure, the two-stage reduction structure achieves a wide range of transmission ratios of 150:1 to 250:1, ensuring that optimal torque output can be provided under different load conditions. In this embodiment, the stepper motor 14 is an 86 stepper motor 14, which is mounted on the base plate 7 with screws.

[0037] In one possible implementation, the transmission ratio is 200:1, which precisely matches the torque curve of the 86 stepper motor 14, effectively utilizing the rated load of the stepper motor 14.

[0038] In a possible implementation, the base assembly comprises a bottom plate 7, side plates 2 fixed vertically on the edges of the bottom plate 7, and a top plate 8 sealing the side plates 2, wherein the bottom plate 7, the side plates 2, and the top plate 8 are connected by screws, improving assembly accuracy and facilitating maintenance.

[0039] In a possible implementation, the speed reduction mechanism comprises a first transmission belt 13, a first speed reduction part, a second transmission belt 19, and a second speed reduction part, wherein the first speed reduction part and the second speed reduction part are rotated together by the first transmission belt 13 driven by the stepping motor 14.

[0040] The first speed reduction part comprises a first speed reduction wheel 11 sleeved on the output shaft of the stepping motor 14 and a second speed reduction wheel 12 in transmission connection with the first transmission belt 13, wherein the second speed reduction wheel 12 is rotationally arranged in the base assembly, the first transmission belt 13 is in transmission cooperation with the first speed reduction wheel 11, the second speed reduction part comprises a third speed reduction wheel 20, a fourth speed reduction wheel 18, and a guide column 10, the second speed reduction wheel 12 is stacked with the third speed reduction wheel 20 through a connecting shaft, the second transmission belt 19 is used for transmission connection between the third speed reduction wheel 20 and the fourth speed reduction wheel 18, the fourth speed reduction wheel 18 is rotationally arranged in the base assembly, the guide column 10 is connected with the fourth speed reduction wheel 18, the top of the guide column 10 is higher than the first speed reduction wheel 11 and the second speed reduction wheel 12, and the guide column 10 partially penetrates the top plate 8.

[0041] In the above structure, the sizes of the first speed reduction wheel 11 and the second speed reduction wheel 12 are different, and the sizes of the third speed reduction wheel 20 and the fourth speed reduction wheel 18 are also different, so that the different sizes effectively achieve the effect of speed reduction.

[0042] In a possible implementation, the adjusting mechanism comprises fixing blocks 16 fixed on the bottom plate 7 and tensioning wheels 17 rotatably installed on the fixing blocks 16, wherein the fixing blocks 16 and the tensioning wheels 17 are two in number and are respectively in contact with the outer edges of the first transmission belt and the second transmission belt 19.

[0043] In a possible implementation, the device further comprises a planar bearing 9 arranged on the guide column 10 and rotationally connected with the rotating disc 1, wherein the planar bearing 9 is arranged on the top plate 8 and is integrally mounted on the side plate 2 by screws.

[0044] In a possible implementation, the device further comprises a control board support arranged on the bottom plate 7 and a control circuit board 15 mounted on the control board support, the control circuit board 15 is connected with the stepping motor 14 by wires, the side plate 2 is integrated with a power interface 5, a data interface 6 and a start-stop switch 3, the power interface 5, the data interface 6 and the start-stop switch 3 are connected with the control circuit board 15, and the start-stop switch 3 is used to control the opening and closing of the control circuit board 15, wherein in use, the power interface 5 is connected with a 24V power supply and delivers current to the control circuit board 15, the control circuit board 15 outputs current to the stepping motor 14 to drive the stepping motor 14 to run, and the start-stop switch 3 can directly cut off the control circuit board 15 to realize the opening and closing, at the same time, the data line is respectively connected with the data interface 6 and a computer USB interface, so that the rotating disc can be controlled by a computer to rotate normally.

[0045] In a possible implementation, the bottom plate 7 is provided with a plurality of elastic supporting foot pads 4 which are fixed to the lower surface of the bottom plate 7 by threads or buckles, wherein the plurality of elastic supporting foot pads 4 can effectively transmit the vibration generated during the operation of the device to improve the stability of scanning.

[0046] In a possible implementation, the rotating disc 1 is parallel to the bottom plate 7, and the central axis of the rotating disc 1 is coaxially arranged with the planar bearing 9, so as to realize simultaneous operation with the stepping motor 14.

[0047] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A high load automated single-axis rotary table, characterized by, The application relates to a rotary table device, which comprises a base assembly, a power assembly, a transmission assembly and a rotary table. The base assembly is internally formed with a containing space for mounting the power assembly, the transmission assembly and a bearing assembly. The transmission assembly comprises a stepping motor, a speed reduction mechanism and an adjusting mechanism. The stepping motor is mounted in the containing space, the input end of the speed reduction mechanism is connected with the output shaft of the stepping motor, the adjusting mechanism is arranged in the speed reduction mechanism and is used for adjusting transmission tension, and the rotary table is arranged in the speed reduction mechanism. The speed reduction mechanism is a speed reduction structure comprising at least two stages, and the transmission ratio range is 150:1 to 250:

1. The transmission ratio is 200:

1.

2. The high load automated single-axis rotary table of claim 1, wherein, The base assembly comprises a bottom plate, side plates vertically fixed to the edges of the bottom plate and a top plate sealing the side plates.

3. The high load automated single-axis turntable of claim 1, wherein, The speed reduction mechanism comprises a first transmission belt, a first-stage speed reduction part, a second transmission belt and a second-stage speed reduction part.

4. The high load automated single-axis turntable of claim 3, wherein, The first-stage speed reduction part comprises a first speed reduction wheel sleeved on the output shaft of the stepping motor and a second speed reduction wheel in transmission connection with the first transmission belt, the second speed reduction wheel is rotationally arranged in the base assembly, the first transmission belt is in transmission cooperation with the first speed reduction wheel, the second-stage speed reduction part comprises a third speed reduction wheel, a fourth speed reduction wheel and a guide column, the second speed reduction wheel is stacked with the third speed reduction wheel through a connecting shaft, the second transmission belt is used for transmission connection between the third speed reduction wheel and the fourth speed reduction wheel, the fourth speed reduction wheel is rotationally arranged in the base assembly, the guide column is connected with the fourth speed reduction wheel, the top of the guide column is higher than the first speed reduction wheel and the second speed reduction wheel, and the guide column partially penetrates the top plate. The second speed reduction wheel is larger than the first speed reduction wheel in size, and the fourth speed reduction wheel is larger than the third speed reduction wheel in size. The adjusting mechanism comprises a fixed block fixed to the bottom plate and a tensioning wheel rotatably mounted on the fixed block, wherein the fixed block and the tensioning wheel are two in number and are respectively in contact with the outer edges of the first transmission belt and the second transmission belt.

5. The high load automated single-axis turntable of claim 1, wherein, A plane bearing is arranged on the guide column and rotationally connected with the rotary table.

6. The high load automated single-axis turntable of claim 4, wherein, A control board support is arranged on the bottom plate, and a control circuit board is mounted on the control board support and connected with the stepping motor through wires.

7. The high load automated single-axis turntable of claim 6, wherein, A power interface, a data interface and a start-stop switch are integrated on the side plate, the power interface, the data interface and the start-stop switch are connected with the control circuit board, and the start-stop switch is used for controlling the opening and closing of the control circuit board.

8. The high load automated single-axis turntable of claim 7, wherein, A plurality of elastic supporting foot pads are arranged at the bottom of the bottom plate and fixed to the lower surface of the bottom plate through screw threads or buckles.

9. The high load automated single-axis turntable of claim 3, wherein, The rotary table is parallel to the plane of the bottom plate, and the central axis of the rotary table is coaxially arranged with the plane bearing.

10. The high load automated single-axis turntable of claim 9, wherein, ​

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