CN215619991U

CN215619991U - Illumination intensity measuring device of three-axis photocuring printer

Info

Publication number: CN215619991U
Application number: CN202122448371.4U
Authority: CN
Inventors: 杨丰源
Original assignee: Suzhou Boli New Material Technology Co ltd
Current assignee: Suzhou Boli New Material Technology Co ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-01-25
Anticipated expiration: 2031-10-12

Abstract

The application discloses triaxial photocuring printer illumination intensity measuring device, photocuring printer include light source, resin tank and print platform, and illumination intensity testing arrangement detachably installs on the resin tank, and illumination intensity testing arrangement includes: the printing device comprises a control unit, sensors for measuring the illumination intensity of the light source projected to different positions of the printing platform and driving components for driving the sensors to move along the front-back direction, the left-right direction and the up-down direction, wherein the control unit is in signal connection with the sensors and the driving components, and controls the driving components to move the sensors to different positions based on a preset program of an operator. Through the upper and lower, left and right sides of the control unit control drive assembly drive sensor, the back-and-forth movement reduces the injury of ultraviolet light to operating personnel, improves the subdivision degree of the measuring position of the projection surface, and through the signal connection of the sensor and the control unit, the automatic data recording improves the data acquisition efficiency and the accuracy, improves the intellectualization and the automation degree, and saves a large amount of labor and time cost.

Description

Illumination intensity measuring device of three-axis photocuring printer

Technical Field

The application relates to the technical field of additive manufacturing, in particular to a device for measuring illumination intensity of a three-axis photocuring printer.

Background

Additive manufacturing is commonly called photocuring printing, combines computer aided design, material processing and forming technology, and is a manufacturing technology for manufacturing solid objects by stacking special metal materials, non-metal materials and medical biomaterials layer by layer in modes of extrusion, sintering, melting, photocuring, spraying and the like on the basis of a digital model file through software and a numerical control system. Compared with the traditional processing mode of removing, cutting and assembling raw materials, the method is a manufacturing method through material accumulation from bottom to top, and is from top to bottom. This enables the manufacture of complex structural components that were previously constrained by conventional manufacturing methods and were not possible.

Due to the influence of factors such as the light source production process of the light curing printer, the illumination intensity projected by the light source on the printing surface is uneven, so that the problems of size deviation, insufficient intensity and the like of a printing model occur, and the actual illumination intensity of each position needs to be measured. At present, the problem is solved by adopting an artificial measurement mode, when the projection illumination intensity is to be measured, the artificial handheld sensor probe is placed on a projection surface, the projection surface is subdivided into a plurality of grids, the illumination intensity of each grid is measured respectively, and the record is carried out. Meanwhile, the projection surface is subdivided into different grids manually, if measurement with higher subdivision degree is needed, a great deal of time and energy are spent, and the probability of errors of manually recorded data is increased.

Disclosure of Invention

The application aims to solve the problems that in the prior art, data acquisition efficiency is low, error rate is high, and the measurement process can cause damage to operators.

In order to achieve the purpose, the technical scheme is as follows: the utility model provides a triaxial photocuring printer illumination intensity measuring device, photocuring printer include light source, resin tank and print platform, illumination intensity testing arrangement detachably install the resin tank orientation one side of print platform, illumination intensity testing arrangement include: the sensor is used for measuring the illumination intensity of the light source projected to different positions of the printing platform and transmitting the illumination intensity of the different positions to the outside; the driving component drives the sensor to move along the front-back direction, the left-right direction and the up-down direction; the control unit is in signal connection with the sensor and the driving component, and the control unit is configured to control the driving component to move the sensor to different positions based on a preset program of an operator, and receive and transmit the illumination intensity of the different positions.

In the above technical solution, it is further preferable that the driving assembly includes: the X-axis part, the Y-axis part and the Z-axis part are in transmission connection with the sensor, the Z-axis part is in transmission connection with the Y-axis part, and the Y-axis part is in transmission connection with the X-axis part; the Z-axis part drives the sensor to move along the up-and-down direction; the Y-axis drives the Z-axis to drive the sensor to move along the front and back directions; the X-axis drives the Y-axis to drive the Z-axis and the sensor to move along the left and right directions.

In the above technical solution, it is further preferable that the Z-axis portion includes: the Z-axis motor drives the Z-axis screw to rotate around the axis of the Z-axis screw, and the Z-axis sliding table is connected with the Y-axis part, and the Z-axis motor drives the Z-axis screw to rotate around the axis of the Z-axis screw so as to drive the sensor to move up and down.

In the technical scheme, it is further preferred, Y axle portion include along the Y axle straight line module that the fore-and-aft direction extends and with the Y axle motor that Y axle straight line module transmission is connected, Z axle slip table connect Y axle straight line module on, Y axle motor drive Z axle portion drive the sensor follow the extending direction of Y axle straight line module remove.

In the above technical solution, it is further preferable that the X-axis portion includes at least a pair of X-axis linear modules extending along the left-right direction and an X-axis motor respectively connected to the X-axis linear modules in a transmission manner, two end portions of the Y-axis linear module are respectively movably connected to the pair of X-axis linear modules, and the X-axis motor drives the Y-axis portion to drive the Z-axis portion and the sensor to move along the extending direction of the X-axis linear modules.

In the above technical solution, it is further preferable that the X-axis linear module and the Y-axis linear module are a lead screw type linear module, a synchronous belt type linear module, or a linear motor type linear module.

In the above technical solution, it is further preferable that the light source is an optical machine or an LCD screen.

Compared with the prior art, the application has the following beneficial effects:

this application passes through the removal that control unit control drive assembly drive sensor can be from top to bottom, left and right sides, front and back, reduces the injury of ultraviolet ray to data acquisition personnel, improves the segmentation degree of the measuring position of projection face, and through sensor and the signal connection of control unit, realization data automatic recording avoids artifical record to make mistakes, improves data acquisition efficiency and the degree of accuracy, improves intelligent and degree of automation, saves a large amount of manual works and time cost.

Drawings

FIG. 1 is a schematic structural diagram of a photocuring printer of the present application;

fig. 2 is a schematic perspective view of the light intensity testing device of the present application installed on a resin tank of a photo-curing printer;

fig. 3 is a three-dimensional structural view of the illumination intensity testing apparatus of the present application;

fig. 4 is a structural diagram of the Z-axis portion of the present application.

Wherein: 100. a photo-curing printer; 1. a light source; 2. a resin tank; 3. a printing platform; 200. an illumination intensity testing device; 4. a sensor; 5. a drive assembly; 51. an X-axis portion; 511. a support frame; 512. an X-axis linear module; 5121. an X-axis lead screw; 513. an X-axis motor; 52. a Y-axis moiety; 521. a Y-axis linear module; 5211. a Y-axis lead screw; 5212. a Y-axis sliding table; 522. a Y-axis motor; 53. a Z-axis portion; 531. a Z-axis sliding table; 532. a Z-axis motor; 533. a Z-axis screw; 534. the sensor is fixed to the rod.

Detailed Description

To explain the technical content, the structural features, the achieved objects and the functions of the application in detail, the technical solutions in the embodiments of the application will be described below with reference to the drawings in the embodiments of the application, and it is obvious that the described embodiments are only a part of the embodiments of the application, and not all embodiments. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a detailed description of various exemplary embodiments or implementations of the invention. However, various exemplary embodiments may be practiced without these specific details or with one or more equivalent arrangements. Moreover, the various exemplary embodiments may be different, but are not necessarily exclusive. For example, the particular shapes, configurations and characteristics of the exemplary embodiments may be used or implemented in another exemplary embodiment without departing from the inventive concept.

In the description of the present application, "a plurality" means two or more unless otherwise specified.

Further, spatially relative terms such as "upper," "at … …," "lower," "at … …," and the like, may be used herein to describe one element's relationship to another (or other) element as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use, operation, and/or manufacture in addition to the orientation depicted in the figures.

The directions of "up", "down", "left", "right", "front" and "back" of the present application are shown in fig. 3.

In the present application, unless expressly stated or limited otherwise, the term "coupled" is to be construed broadly, e.g., "coupled" may be a fixed connection, a removable connection, or an integral part; may be directly connected or indirectly connected through an intermediate.

The embodiment of the application provides a triaxial photocuring printer illumination intensity measuring device, as shown in fig. 1, in this application, this photocuring printer is illumination formula photocuring printer down. As shown in fig. 1-2, the photo-curing printer 100 includes: a light source 1, a resin tank 2 and a printing platform 3; the light source 1, the resin tank 2 and the printing platform 3 are sequentially arranged from bottom to top, and the resin tank 2 is provided with an opening at one side facing the printing platform 3; photosensitive resin is held in the resin tank 2, and light source 1 projects to print platform 3 and forms the plane of projection in print platform 3 department, and photosensitive resin in the resin tank 2 is piled up on print platform 3 by the projection of light source 1 the successive layer, forms entity article. The light source 1 is used for projection, in this embodiment, the light source 1 is an optical machine; in other embodiments, the light source 1 is an LCD screen or an LED screen.

As shown in fig. 2 to 4, the light intensity measuring device 200 is located above the resin tank 2 and the projection surface, and is detachably provided at an opening of the resin tank 2, and the light intensity measuring device 200 is attached to the resin tank 2 at the time of measurement, and is removed from the resin tank 2 after the measurement is completed. The illumination intensity testing apparatus 200 includes: a sensor 4, a drive assembly 5 and a control unit (not shown in the figure). The sensor 4 is in transmission connection with the driving assembly 5, the driving assembly 5 can drive the sensor 4 to move in the front-back direction, the left-right direction and the up-down direction in a three-dimensional space, and the control unit is in signal connection with the sensor 4 and the driving assembly 5. The sensor 4 is used for measuring the illumination intensity of different positions projected by the light source 1 to the projection surface and transmitting the measured illumination intensity of each position to the control unit; the control unit receives the illumination intensity transmitted by the sensor 4 and uploads the illumination intensity of each position to the background server to form a data report, so that errors in manual recording are avoided, and a large amount of labor and time cost are saved; the control unit is also configured to be operator pre-programmable, according to which the control unit controls the drive assembly 5 to move the sensor 4.

Through drive assembly 5 and the cooperation of the control unit in order to improve automation and intelligent degree, compare in manual measurement, this application improves illumination intensity measurement's segmentation degree, control unit control drive assembly 5 removes sensor 4 to different measuring position based on preset program accuracy, sensor 4 detects the illumination intensity of light source 1 projection to this measuring position respectively at different measuring position, and transmit this data to the control unit in real time, the control unit receives and the record data, and store data transmission to backend server, avoid artifical record to make mistakes, improve data acquisition efficiency and degree of accuracy.

The drive assembly 5 includes an X-axis portion 51, a Y-axis portion 52, and a Z-axis portion 53; the X-axis part 51 includes a pair of support frames 511 extending in the front-rear direction, a pair of X-axis linear modules 512 extending in the left-right direction, and an X-axis motor 513 drivingly connected to the pair of X-axis linear modules 512, the pair of support frames 511 are connected to both ends of the pair of X-axis linear modules 512, respectively, and the pair of support frames 511 and the pair of X-axis linear modules 512 form a quadrangle, so that the pair of X-axis linear modules 512 can be stably installed on the gum bath 2.

The Y-axis portion 52 comprises a Y-axis linear module 521 extending in the front-back direction and a Y-axis motor 522 in transmission connection with the Y-axis linear module 521, two end portions of the Y-axis linear module 521 are respectively movably connected to the pair of X-axis linear modules 512, and under the driving of the pair of X-axis motors 513, the two end portions of the Y-axis linear module 521 synchronously move along the extending direction of the pair of X-axis linear modules 512; the pair of X-axis motors 513 drives the Y-axis linear module 521 to move in the left-right direction on the pair of X-axis linear modules 512.

In the embodiment, the X-axis linear module 512 and the Y-axis linear module 521 are screw rod type linear modules; in other embodiments, the X-axis linear module 512 and the Y-axis linear module 521 may also be synchronous belt type or linear motor type linear modules.

Each X-axis linear module 512 comprises an X-axis lead 5121 in transmission connection with an X-axis motor 513, the X-axis motor 513 drives the X-axis lead 5121 to rotate around the axis thereof, and the X-axis lead 5121 extends in the left-right direction.

The Y-axis linear module 521 comprises a Y-axis screw 5211 in transmission connection with the Y-axis motor 522 and Y-axis sliding tables 5212 arranged at two end portions of the Y-axis linear module 521, the Y-axis sliding tables 5212 are in fit connection with the X-axis screw 5121, the Y-axis motor 522 drives the Y-axis screw 5211 to rotate around the axis of the Y-axis screw 5211, and the Y-axis screw 5211 extends in the front-rear direction. When the pair of X-axis motors 513 drives the corresponding X-axis screw 5121 to rotate around its own axis, the Y-axis slide table 5212 moves in the extending direction of the X-axis screw 5121.

The Z-axis part 53 comprises a Z-axis sliding table 531 connected to the Y-axis linear module 521, a Z-axis motor 532 connected to the Z-axis sliding table 531, a Z-axis screw 533 extending in the up-down direction, and a sensor fixing rod 534 drivingly connecting the Z-axis screw 533 and the sensor 4; the Z-axis motor 532 drives the Z-axis screw 533 to rotate around the axis line of the Z-axis screw to drive the sensor 4 to perform vertical lifting movement, the sensor 4 capable of moving up and down is suitable for resin tanks 2 with different depths, and the product applicability of the illumination intensity testing device 200 is improved. The Z-axis sliding table 531 is connected to the Y-axis screw 5211 in a matching manner, the Y-axis motor 522 drives the Y-axis screw 5211 to rotate around its own axis, and the Z-axis sliding table 531 moves in the extending direction of the Y-axis screw 5211.

The Z-axis motor 532 drives the sensor 4 to move up and down, the Y-axis motor 522 drives the Z-axis part 53 to drive the sensor 4 to move back and forth, and the X-axis motor 513 drives the Y-axis part 52 to drive the Z-axis part 53 and the sensor 4 to move left and right. The Z-axis motor 532, the Y-axis motor 522 and the X-axis motor 513 are in signal connection with the control unit, the control unit controls the starting and stopping of the Z-axis motor 532, the Y-axis motor 522 and the X-axis motor 513 according to a preset program, so that the sensor 4 can move to different positions on the projection surface and measure the illumination intensity of the positions, the interval time of starting and stopping of each motor at each time can be shortened, the measured subdivision degree is higher, and more illumination intensities of the projection surface can be acquired.

This application passes through 5 drive sensor 4 of the control unit control drive assembly and can be from top to bottom, control, the removal of front and back, reduce the injury of ultraviolet ray to data acquisition personnel, accomplish higher segmentation degree to the measuring position of plane of projection, through sensor 4 and the signal connection of control unit, realize the automatic record of data, avoid artifical record to make mistakes, improve data acquisition efficiency and degree of accuracy, improve intellectuality and degree of automation, save a large amount of manual works and time cost.

The foregoing shows and describes the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are presented solely for purposes of illustrating the principles of the application, and that various changes and modifications may be made without departing from the spirit and scope of the application, which is defined by the appended claims, the specification, and equivalents thereof.

Claims

1. The utility model provides a triaxial photocuring printer illumination intensity measuring device, photocuring printer (100) include light source (1), resin groove (2) and print platform (3), illumination intensity testing arrangement (200) detachably install resin groove (2) orientation one side of print platform (3), its characterized in that, illumination intensity testing arrangement (200) include: the device comprises a sensor (4), a driving component (5) and a control unit, wherein the sensor (4) is used for measuring the illumination intensity of the light source (1) projected to different positions of the printing platform (3) and transmitting the illumination intensity of the different positions to the outside; the driving component (5) drives the sensor (4) to move along the front-back direction, the left-right direction and the up-down direction; the control unit is in signal connection with the sensor (4) and the driving assembly (5), and the control unit is configured to control the driving assembly (5) to move the sensor (4) to different positions based on a preset program of an operator, and to receive and transmit the illumination intensity of the different positions.

2. The illumination intensity measuring device of the three-axis photo-curing printer according to claim 1, wherein the driving assembly (5) comprises: an X-axis part (51), a Y-axis part (52) and a Z-axis part (53), wherein the Z-axis part (53) is in transmission connection with the sensor (4), the Z-axis part (53) is in transmission connection with the Y-axis part (52), and the Y-axis part (52) is in transmission connection with the X-axis part (51); the Z shaft part (53) drives the sensor (4) to move along the up-down direction; the Y-axis part (52) drives the Z-axis part (53) to drive the sensor (4) to move along the front-back direction; the X-axis part (51) drives the Y-axis part (52) to drive the Z-axis part (53) and the sensor (4) to move along the left-right direction.

3. The apparatus for measuring the illumination intensity of a three-axis photocuring printer as recited in claim 2, wherein said Z-axis portion (53) comprises: with sensor (4) transmission be connected Z axle screw rod (533), drive Z axle screw rod (533) around the rotatory Z axle motor (532) of self axial lead and with the Z axle slip table (531) that Y axle portion (52) are connected, Z axle motor (532) drive Z axle screw rod (533) rotate in order to drive around self axial lead sensor (4) do and reciprocate.

4. The illumination intensity measuring device of the three-axis photocuring printer according to claim 3, wherein the Y-axis part (52) comprises a Y-axis linear module (521) extending along the front-back direction and a Y-axis motor (522) in transmission connection with the Y-axis linear module (521), the Z-axis sliding table (531) is connected to the Y-axis linear module (521), and the Y-axis motor (522) drives the Z-axis part (53) to drive the sensor (4) to move along the extending direction of the Y-axis linear module (521).

5. The illumination intensity measuring device of the three-axis photocuring printer as claimed in claim 4, wherein the X-axis portion (51) comprises at least one pair of X-axis linear modules (512) extending in the left-right direction and an X-axis motor (513) in transmission connection with the X-axis linear modules (512), two ends of the Y-axis linear module (521) are movably connected to the pair of X-axis linear modules (512), and the X-axis motor (513) drives the Y-axis portion (52) to drive the Z-axis portion (53) and the sensor (4) to move along the extending direction of the X-axis linear modules (512).

6. The illumination intensity measuring device of the three-axis photo-curing printer as claimed in claim 5, wherein the X-axis linear module (512) and the Y-axis linear module (521) are screw rod type linear modules, synchronous belt type linear modules or linear motor type linear modules.

7. The illumination intensity measuring device of the three-axis photocuring printer as claimed in claim 1, wherein the light source (1) is an optical machine or an LCD screen.