A detection plate mechanism combination for a liquid temperature measurable SLA 3D printer

Abstract

This application relates to the field of SLA 3D printer technology, and particularly to a detection and placement mechanism assembly for a liquid temperature-measuring SLA 3D printer. This liquid temperature detection and placement mechanism assembly includes a frame, a material tank, a liquid temperature detection mechanism, a lifting screen mechanism, and a control system. The material tank's internal structure is divided into a main tank and a secondary tank by a partition plate. The liquid temperature detection mechanism includes a probe-type temperature detector for detecting the liquid temperature in the secondary tank. The lifting screen mechanism includes a second Z-axis linear drive component and a screen. The second Z-axis linear drive component drives the screen to move downwards and immerse it in the liquid in the main tank. This design effectively avoids interference between the probe-type temperature detector and the lifting screen, eliminating the need for operators to repeatedly confirm the probe's position or frequently adjust its orientation. It is convenient to use, saves manpower, improves efficiency, and enhances sensing accuracy. The probe-type temperature detector can flexibly adapt to accurate detection at different liquid levels, offering high flexibility.

Description

Technical Field

[0001] This application relates to the field of SLA 3D printer technology, and in particular to a detection plate-laying mechanism assembly for a liquid temperature-measuring SLA 3D printer. Background Technology

[0002] SLA (Stereolithography) is an additive manufacturing technology that uses ultraviolet lasers to selectively cure liquid photosensitive resin to build three-dimensional objects layer by layer. An SLA 3D printer typically requires a liquid photosensitive resin tank, a printing light source mechanism, and a lifting stencil. By immersing the lifting stencil in the liquid resin tank, the ultraviolet laser generated by the printing light source mechanism selectively cures the liquid photosensitive resin in the tank, building a three-dimensional object layer by layer on the stencil immersed in the liquid.

[0003] In the process of constructing the three-dimensional object, many operating conditions require the detection and feedback of the liquid temperature in the material tank. Since the lifting screen occupies most of the planar space in the material tank, the lifting screen and the liquid temperature detection can easily obstruct and interfere with each other during the immersion and removal of the lifting screen from the liquid. One common situation is: During the movement of the lifting screen, it is easy to accidentally touch the sensing component of the liquid temperature sensor, causing the sensing component to shift position. Since the sensor is sensing the temperature of the lifting screen component, this leads to inaccurate sensing. Alternatively, the position of the liquid temperature sensor may obstruct the downward movement of the lifting screen, causing mutual interference between the two. Therefore, to avoid interference between the liquid temperature sensor and the lifting screen, operators usually need to repeatedly check the liquid temperature sensor, especially repeatedly checking the position of the sensing component or frequently adjusting the sensor's orientation, which is inconvenient and inefficient. Utility Model Content

[0004] To address the problems of the prior art mentioned in the background section, this application provides a detection and unloading mechanism assembly for a liquid temperature-measuring SLA 3D printer, the technical solution of which is as follows: This liquid temperature-measuring SLA 3D printer uses a detection plate placement mechanism assembly, which includes a frame, a material tank, a liquid temperature detection mechanism, a lifting plate mechanism, and a control system. The material tank's internal chambers are divided into a main tank and a secondary tank by a partition plate, and the liquid flow in the main tank and secondary tank is interconnected. The liquid temperature detection mechanism is located behind the lifting plate mechanism and above the secondary tank. The liquid temperature detection mechanism includes a probe-type temperature detector for detecting the liquid temperature in the secondary tank and a position adjustment component. The probe-type temperature detector is detachably mounted on the frame via the position adjustment component, allowing its position to be adjusted. The probe of the probe-type temperature detector is inserted into the liquid in the secondary tank. The lifting plate mechanism includes a second Z-axis linear drive component and a plate located above the main tank. The second Z-axis linear drive component drives the plate to move up and down, allowing the plate to be lowered and immersed in the liquid in the main tank. The lifting plate mechanism is equipped with a second position sensor for sensing the position of the plate. The second Z-axis linear drive component and the second position sensor are electrically connected to the control system.

[0005] In some embodiments, the system further includes a first Z-axis linear drive component for driving the material pool to move up and down, and a first position sensor; the first position sensor is used to sense the position of the material pool, and the first Z-axis linear drive component and the first position sensor are electrically connected to the control system.

[0006] In some embodiments, the frame includes a main frame and a horizontal platform, the horizontal platform being mounted on the front region of the waist of the main frame; the position adjustment component includes a mounting plate; the mounting plate includes a horizontally arranged transverse sub-plate; the transverse sub-plate is detachably connected to the rear side of the horizontal platform; the transverse sub-plate is provided with a probe mounting hole, and a probe-type temperature detector is detachably and securely connected to the probe mounting hole, so that the probe of the probe-type temperature detector passes through the probe mounting hole and extends downward into the liquid in the secondary tank.

[0007] In some embodiments, the platform surface is provided with an extension plate at the rear; the extension plate is provided with a plurality of elongated waist holes, and the transverse sub-plate is provided with a plurality of elongated waist holes. The fasteners are fastened to the elongated waist holes of the transverse sub-plate and the elongated waist holes of the extension plate, so that the transverse sub-plate is detachably connected to the extension plate.

[0008] In some embodiments, the horizontal sub-board is provided with a plurality of probe mounting holes.

[0009] In some embodiments, a partition plate is vertically arranged inside the tank of the material pool to divide the tank from front to back into a main tank and a secondary tank; the partition plate is provided with a flow hole so that the liquid flow in the main tank and the secondary tank can communicate with each other.

[0010] In some embodiments, the outer peripheral wall of the material pool extends downward and protrudes from its bottom surface to form a base, and the base has a gripping opening for holding; wherein, the bottom end of the base is bent horizontally away from the outer peripheral wall of the material pool to form a fixed plate for support and fixation.

[0011] In some embodiments, the second Z-axis linear drive component includes a support frame fixed on the frame, a mounting bracket, and a second Z-axis linear drive assembly; wherein, the mounting bracket is used to keep the screen plate horizontally positioned, and it is vertically slidably mounted on the support frame along the Z-axis direction, allowing it to move along the support frame along the Z-axis direction; the second Z-axis linear drive assembly is mounted on the support frame, and its output shaft is connected to the mounting bracket, the second Z-axis linear drive assembly drives the mounting bracket to move up and down, so that the screen plate can be lowered and immersed in the liquid in the main tank.

[0012] In some embodiments, the second Z-axis linear drive assembly includes a second Z-axis drive motor fixed on a support frame, a second drive screw, and a second threaded seat for threaded connection of the second drive screw; the second drive screw is coaxially mounted on the output shaft of the second Z-axis drive motor, and the second threaded seat is mounted on the mounting bracket, so that the second Z-axis drive motor drives the second drive screw to rotate along its axis, thereby driving the mounting bracket and the mesh plate to move up and down.

[0013] In some embodiments, the support frame is provided with two Z-axis slide rails, which are arranged parallel to each other at intervals along the Z-axis direction; the mounting bracket includes a horizontally arranged bracket for supporting the mesh plate and two vertical tie rods connected to both sides of the bracket; the top of each vertical tie rod is provided with a slide bar, which is slidably connected to the Z-axis slide rail; wherein, the two slide bars are connected by a second threaded seat, so that the second Z-axis drive motor drives the second drive screw to rotate along its axis, driving the slide bar to slide linearly along the Z-axis slide rail, thereby moving the mounting bracket and the mesh plate up and down.

[0014] In some embodiments, the system further includes two second position sensors and a control system; a second sensing ridge is provided on the back of the mounting bracket protruding outward, and the two second position sensors are spaced apart at the upper limit end and the lower limit end of the moving path of the mounting bracket, and the second sensing ridge is located in the sensing area of ​​the upper and lower interval regions of the two second position sensors; the second Z-axis linear drive component and the second position sensor are both electrically connected to the control system.

[0015] In some embodiments, the second position sensor is an infrared optical position sensor.

[0016] In some embodiments, the vertical tie rod is detachably connected to the bracket, and the bracket is detachably connected to the mesh panel; the second position sensor is detachably connected to the support frame.

[0017] This application also provides an SLA 3D printer, which includes the detection and placement mechanism assembly, the moving scraper mechanism, and the printing light source mechanism for providing curing light and disposed above the material tank as described above; the frame includes a main frame and a horizontal platform, the horizontal platform being mounted on the waist of the main frame; an opening is provided on the horizontal platform, and a first Z-axis linear drive component for driving the material tank to move up and down is provided below the material tank; wherein, the material tank is disposed below the opening; when the first Z-axis linear drive component drives the material tank to move upward into the opening, and the screen is lowered and immersed in the liquid in the main tank, the scraper of the moving scraper mechanism is located on the liquid surface of the material tank, and the probe of the probe-type temperature detector is inserted into the liquid in the secondary tank.

[0018] Based on the above, compared with the prior art, this application has the following beneficial effects: The design of this application effectively avoids mutual interference between the probe-type temperature detector and the lifting screen plate. Operators no longer need to repeatedly confirm the probe's position or frequently adjust its orientation. It is convenient to use, saves manpower, improves efficiency, and enhances sensing accuracy. This application uses a probe-type temperature detector, with the sensing area distributed on the probe. Within a certain range of liquid level changes, the probe can flexibly adapt to accurate detection at different heights, offering high flexibility.

[0019] In addition, in the design of the material pool movement, the design uses a position sensor to sense the signal, which is then transmitted to the control system for processing and to control the state of the first Z-axis linear drive component. This design allows the material pool to be accurately raised into position, enabling the probe to accurately insert into the liquid while avoiding the probe from hitting the bottom of the material pool, thus optimizing the positional coordination between the material pool and the probe. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Unless otherwise specified, the positional relationships in the drawings described below are based on the direction in which the components are drawn in the figures.

[0021] Figure 1 Schematic diagram of the SLA 3D printer structure provided in Embodiment 1 of this application Figure 1 ; Figure 2 A partial disassembled structural diagram of the SLA 3D printer provided in Embodiment 1 of this application; Figure 3 A simplified schematic diagram of the rear view portion of the SLA 3D printer structure provided in Embodiment 1 of this application; Figure 4 A simplified schematic diagram of the side view portion of the SLA 3D printer structure provided in Embodiment 1 of this application; Figure 5 Schematic diagram of the installation structure of the detection mechanism in Embodiment 1 provided in this application Figure 1 ; Figure 6 Schematic diagram of the installation structure of the detection mechanism in Embodiment 1 provided in this application Figure 2 ; Figure 7 A partial structural breakdown diagram of the detection mechanism provided in Embodiment 1 of this application. Figure 1 ; Figure 8 A partial structural breakdown diagram of the detection mechanism provided in Embodiment 1 of this application. Figure 2 ; Figure 9 A schematic diagram of the lifting screen mechanism of Embodiment 1 provided in this application. Figure 1 ; Figure 10 A schematic diagram of the lifting screen mechanism of Embodiment 1 provided in this application. Figure 2 ; Figure 11 A schematic diagram of the moving discharge mechanism (removing material pool) of Embodiment 1 provided in this application; Figure 12 for Figure 11 A magnified view of a section at point A in the middle; Figure 13 A partial structural schematic diagram of the movable discharge mechanism (installation tank) of Embodiment 1 provided in this application; Figure 14 This is a schematic diagram of the material tank structure of Embodiment 1 provided in this application; Figure 15 A schematic diagram of the stable platform structure in the moving discharge mechanism of Embodiment 1 provided in this application; Figure 16 This is a schematic diagram of the material pool structure for Embodiment 2 provided in this application.

[0022] Figure label: 100. Moving discharge mechanism; 300. Lifting screen plate mechanism; 400. Liquid temperature detection mechanism; 500. Moving scraper mechanism; 600. Main frame; 700. Horizontal platform; 110. Material pool; 120. Stable platform; 130. First Z-axis linear drive component; 140. X-axis linear drive component; 150. First position sensor; 111. Base; 112. Fixed plate; 1111. Holding port; 113. Discharge pipe; 114. Valve; 115. Main trough; 116. Secondary trough; 121. Vertical plate; 122. Bearing plate; 123. Triangular reinforcing block; 124. First sensing protrusion; 1221. Through port; 131. First Z-axis drive; 132. First 133. Drive screw; 134. Positioning slide bar; 135. First threaded seat; 141. Locking component; 142. First X-axis drive motor; 143. Slide table; 144. X-axis slide rail; 220. Mounting plate; 230. Extension plate; 221. Horizontal sub-plate; 2211. Probe mounting hole; 310. Support frame; 320. Mounting bracket; 330. Second Z-axis linear drive assembly; 340. Mesh plate; 350. Second position sensor; 334. Z-axis slide rail; 321. Bracket; 322. Vertical tie rod; 323. Slide bar; 324. Second sensing convex bar; 331. Second Z-axis drive motor; 332. Second drive screw; 333. Second threaded seat; 410. Probe-type temperature detector. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. The technical features designed in the different implementations of this application described below can be combined with each other as long as they do not conflict with each other. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0024] In the description of this application, it should be noted that all terms used in this application (including technical and scientific terms) have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains, and should not be construed as limiting this application; it should be further understood that the terms used in this application should be understood to have the same meaning as those in the context of this specification and the relevant field, and should not be understood in an idealized or overly formal sense, except as expressly defined in this application.

[0025] This application provides as follows: Figure 1-15The SLA 3D printer shown in Example 1 includes a frame, a stable moving material output mechanism 100, a detection and feeding mechanism assembly, a moving scraper mechanism 500, a printing light source mechanism (not shown in the figure), and a control system (not shown in the figure).

[0026] The frame includes a main frame 600 and a platform 700. The platform 700 is mounted on the waist of the main frame 600 and has an opening 710.

[0027] The stable moving discharge mechanism 100 is installed below the horizontal platform 700, and the material pool 110 is installed directly below the opening 710, so that the stable moving discharge mechanism 100 can carry and drive the material pool 110 to move upward to the opening 710, and then move downward to discharge material below the horizontal platform 700.

[0028] The mobile scraper mechanism 500 is installed on the horizontal platform 700, and the scraper 510 is mounted above the opening 710 and the material pool 110.

[0029] The detection plate placement mechanism assembly is located above the horizontal platform 700 and includes a lifting screen plate mechanism 300 and a detection mechanism. The lifting screen plate mechanism 300 is used to lower the screen plate 340 and immerse it in the material pool 110 below it. The detection mechanism is used to detect the liquid in the material pool 110.

[0030] The printing light source mechanism (not shown) is located above the material pool 110 and is used to provide curing light to irradiate the liquid material. The generated ultraviolet laser selectively cures the liquid photosensitive resin in the material pool 110, and builds a three-dimensional object layer by layer on the screen plate 340 immersed in the liquid material.

[0031] To facilitate differentiation of the equipment in different directions, this paper defines and calibrates the up-down, left-right, and forward-backward movement directions as the Z-axis, X-axis, and Y-axis directions, respectively.

[0032] The specific optimizations and improvements for each of the above-mentioned institutions are as follows: 1. Optimization and improvement of the detection and feeding mechanism assembly: The detection and feeding mechanism assembly includes a detection mechanism, a lifting screen mechanism 300, and a material pool 110 designed to cooperate with the detection mechanism and the lifting screen mechanism 300. Because the detection mechanism is prone to interference with the lifting screen mechanism 300 and the material pool 110, a cooperative improvement and optimization design is implemented for the detection mechanism, the lifting screen mechanism 300, and the material pool 110 to solve this problem. When liquid temperature detection is required, the liquid temperature detection mechanism 400, the lifting screen mechanism 300, and the material tank 110 are designed with improved coordination and optimization: The detection and feeding mechanism assembly includes a frame, a material tank 110, a liquid temperature detection mechanism 400, a lifting screen mechanism 300, and a control system. The material tank 110 has a main tank 115 and a secondary tank 116 formed by a partition plate, and the liquid flows in the main tank 115 and the secondary tank 116 are interconnected. The liquid temperature detection mechanism 400 is located behind the lifting screen mechanism 300 and above the secondary tank 116. The liquid temperature detection mechanism 400 includes a probe-type temperature detector 410 for detecting the liquid temperature in the secondary tank 116 and a position adjustment component. The probe-type temperature detector 410 is detachably mounted on the frame via the position adjustment component. The position of the probe-type temperature detector 410 is adjustable, and the probe of the probe-type temperature detector 410 is inserted into the liquid in the secondary tank 116; the lifting screen plate mechanism 300 includes a second Z-axis linear drive component and a screen plate 340 located above the main tank 115; the second Z-axis linear drive component is used to drive the screen plate 340 to move up and down, so that the screen plate 340 can be lowered and immersed in the liquid in the main tank 115; the lifting screen plate mechanism 300 is provided with a second position sensor 350 for sensing the position of the screen plate 340; the second Z-axis linear drive component and the second position sensor 350 are electrically connected to the control system.

[0033] Specifically, in use, a probe-type temperature detector 410, a main tank 115, and a secondary tank 116 are connected. The probe of the probe-type temperature detector 410 is inserted into the liquid in the secondary tank 116 to sense the liquid temperature. A position adjustment component can position the probe within the secondary tank 116. When the screen plate 340 rises and falls, it remains within the main tank 115 of the material pool 110, preventing it from touching the probe and avoiding errors. Simultaneously, the probe's position is designed to be ample, ensuring that slight tilting will not obstruct the downward movement of the screen plate 340, reducing the need for operators to adjust and confirm the position of the probe-type temperature detector 410. Therefore, this design effectively avoids mutual interference between the probe-type temperature detector 410 and the lifting screen plate 340. Operators do not need to repeatedly confirm the probe's position or frequently adjust its orientation, avoiding interference between the screen plate 340 and the probe-type temperature detector 410. This design is convenient to use, saves manpower, improves efficiency, and enhances sensing accuracy.

[0034] Among them, a probe-type temperature detector 410 is used. The sensing area of ​​the probe-type temperature detector 410 is distributed on the probe. When the liquid level changes within a certain height range, the probe can flexibly adapt to sense the real-time temperature. The probe can flexibly adapt to accurate detection at different height positions, and has strong flexibility.

[0035] Additionally, when the material tank 110 uses a moving discharge method, since the probe needs to be inserted into the liquid material for detection, it is necessary to control the material tank 110 to rise and return to its original position; otherwise, the probe will not be able to insert into the liquid material. At the same time, the material tank 110 cannot rise too high beyond its stroke limit, otherwise it will collide with the probe. Therefore, optionally, the system also includes a first Z-axis linear drive component 130 and a first position sensor 150 for driving the material tank 110 to move up and down; the first position sensor 150 is used to sense the position of the material tank 110, and the first Z-axis linear drive component 130 and the first position sensor 150 are electrically connected to the control system.

[0036] The first position sensor 150 senses and transmits the data to the control system for processing. The control system controls the state of the first Z-axis linear drive component 130 so that the material pool 110 is accurately raised into position. This allows the probe to be accurately inserted into the liquid while avoiding the probe hitting the bottom of the material pool 110, thus achieving an optimized design for the cooperation between the material pool 110 and the probe.

[0037] In addition, a second position sensor 350 (which senses whether the upper and lower limits of the travel range are reached) is designed to sense the position of the mesh plate 340. The second position sensor 350 is electrically connected to the control system through the second Z-axis linear drive component. When the second position sensor 350 provides feedback information to the control system, the control system can control the second Z-axis linear drive component to drive the mesh plate 340 to move, so that the mesh plate 340 is immersed in the position, while preventing the mesh plate 340 from falling too low to the bottom plate of the material pool 110, but instead keeping it in the liquid in the material pool 110.

[0038] Optionally, the frame includes a main frame 600 and a horizontal platform 700, the horizontal platform 700 being mounted on the front region of the waist of the main frame 600; the position adjustment component includes a mounting plate 220; the mounting plate 220 includes a horizontally arranged transverse sub-plate 221; the transverse sub-plate 221 is detachably connected to the rear side of the horizontal platform 700; the transverse sub-plate 221 is provided with a probe mounting hole 2211, the probe-type temperature detector 410 being detachably and securely connected to the probe mounting hole 2211, so that the probe of the probe-type temperature detector 410 passes through the probe mounting hole 2211 and extends downward into the liquid in the secondary tank 116. Optionally, the platform surface 700 is provided with an extension plate 230 at its rear; the extension plate 230 is provided with a plurality of elongated waist holes, and the transverse sub-plate 221 is provided with a plurality of elongated waist holes. The fasteners are fastened to the elongated waist holes of the transverse sub-plate 221 and the elongated waist holes of the extension plate 230, so that the transverse sub-plate 221 is detachably connected to the extension plate 230.

[0039] To meet different product size requirements, when the size of the material pool 110 and the mesh plate 340 is changed, and different models of probe-type temperature detectors 410 are replaced, the design of the transverse sub-plate 221 and extension plate 230 of the above-mentioned position adjustment component can adjust the position and angle of the probe, thereby accurately inserting it into the secondary slot 116, improving the versatility, flexibility and practicality of the equipment.

[0040] Optionally, the horizontal sub-board 221 is provided with a plurality of probe mounting holes 2211. Similarly, by designing a plurality of probe mounting holes 2211, the position of the probe on the horizontal sub-board 221 can be further adjusted.

[0041] In addition, to cooperate with the testing agency, the following structural optimizations were made to the material tank 110: Optionally, a partition plate is vertically arranged inside the tank of the material pool 110 to divide the tank of the material pool 110 from front to back into a main tank 115 and a secondary tank 116; the partition plate is provided with a flow hole so that the liquid flow in the main tank 115 and the secondary tank 116 can communicate with each other.

[0042] It should be noted that in this embodiment 1, the main groove 115 and the secondary groove 116 have the same width. Based on the above design concept, as follows... Figure 16 The secondary slot 116 shown can also be designed with a smaller width, as long as it meets the space requirements of the probe sensing area, including but not limited to the scheme in Embodiment 1.

[0043] Optionally, the outer peripheral wall of the material pool 110 extends downward and protrudes from its bottom surface to form a base 111, the base 111 having a gripping opening 1111 for holding; wherein, the bottom end of the base 111 is bent horizontally away from the outer peripheral wall of the material pool 110 to form a fixed flat plate 112. This design facilitates lifting and retrieving the material pool 110.

[0044] 2. The following structural optimizations are made to the lifting screen mechanism 300: Optionally, the second Z-axis linear drive component includes a support frame 310 fixed on the frame, a mounting bracket 320, and a second Z-axis linear drive assembly 330; wherein, the mounting bracket 320 is used to keep the screen plate 340 horizontally positioned, and it is vertically slidably mounted on the support frame 310 along the Z-axis direction, so that it can move on the support frame 310 along the Z-axis direction; the second Z-axis linear drive assembly 330 is mounted on the support frame 310, and its output shaft is connected to the mounting bracket 320, and the second Z-axis linear drive assembly 330 drives the mounting bracket 320 to move up and down, so that the screen plate 340 can be lowered and immersed in the liquid in the main tank 115. Optionally, the second Z-axis linear drive assembly 330 includes a second Z-axis drive motor 331 fixed on the support frame 310, a second drive screw 332, and a second threaded seat 333 for threaded connection of the second drive screw 332; the second drive screw 332 is coaxially mounted on the output shaft of the second Z-axis drive motor 331, and the second threaded seat 333 is mounted on the mounting bracket 320, so that the second Z-axis drive motor 331 drives the second drive screw 332 to rotate along its axis, thereby driving the mounting bracket 320 and the mesh plate 340 to move up and down.

[0045] Optionally, the support frame 310 is provided with two Z-axis slide rails 334, which are arranged parallel to each other at intervals along the Z-axis direction; the mounting bracket 320 includes a horizontally arranged bracket 321 for supporting the mesh plate 340 and two vertical tie rods 322 connected to both sides of the bracket 321; the top of the vertical tie rod 322 is provided with a slide bar 323, which is slidably connected to the Z-axis slide rail 334 respectively; wherein, the two slide bars 323 are connected by the second threaded seat 333, so that the second Z-axis drive motor 331 drives the second drive screw 332 to rotate along its axis, drives the slide bar 323 to slide linearly along the Z-axis slide rail 334, and drives the mounting bracket 320 and the mesh plate 340 to move up and down.

[0046] By adopting the aforementioned design of the second Z-axis linear drive component, the stable lifting and lowering of the mesh plate 340 is achieved while ensuring that the mesh plate 340 is set horizontally.

[0047] Optionally, the mounting bracket 320 has a second sensing protrusion 324 extending outward from its back side, and two second position sensors 350 are spaced apart at the upper limit end and lower limit end of the moving path of the mounting bracket 320, and the second sensing protrusion 324 is located within the sensing area of ​​the upper and lower spaced regions of the two second position sensors 350; Optionally, the second Z-axis linear drive component and the second position sensor 350 are both electrically connected to the control system.

[0048] Similarly, the second position sensor 350 senses and transmits the data to the control system for processing. The control system controls the state of the second Z-axis linear drive component to achieve automated movement control of the mesh plate 340 in the Z-axis direction.

[0049] Optionally, the second position sensor 350 is an infrared optical position sensor, which is detachably connected to the support frame 310. This design facilitates adjustment of the upper and lower limit sensing positions of the mesh plate 340.

[0050] Optionally, the vertical tie rod 322 is detachably connected to the bracket 321, and the bracket 321 is detachably connected to the mesh panel 340. The detachable design facilitates the replacement and maintenance of each component.

[0051] Optionally, the bracket 321 is equipped with a level, such as a bubble level.

[0052] 3. Optimization and improvement of the discharge mechanism: The SLA 3D printer uses a stable moving ejection mechanism 100, which includes a material tank 110, a stable platform 120, and a bidirectional linear motion module. The stable platform 120 includes an L-shaped carrier plate, which is composed of a vertical plate 121 and a support plate 122. Triangular reinforcing blocks 123 are provided on both sides of the L-shaped carrier plate 122, and these blocks connect the vertical plate 121 and the support plate 122 respectively. The material tank 110 is detachably mounted on the support plate 122, which is horizontally positioned to maintain the material tank 110's horizontal position. The bottom of the material tank 110 has an ejection pipe 113, and the support plate 122 has an opening that matches the ejection pipe 113. 1221, so that the discharge pipe 113 passes through the opening 1221 and extends below the stable platform 120; wherein, the bidirectional linear motion module includes a first Z-axis linear drive component 130 and an X-axis linear drive component 140; the stable platform 120 is mounted on the first Z-axis linear drive component 130 so that the first Z-axis linear drive component 130 drives the stable platform 120 to move up and down, and the first Z-axis linear drive component 130 is mounted on the X-axis linear drive component 140 so that the X-axis linear drive component 140 drives the first Z-axis linear drive component 130 to move left and right, thereby driving the stable platform 120 to move left and right.

[0053] Optionally, the first Z-axis linear drive component 130 is a lead screw linear motion module, which includes a first Z-axis drive 131, a first drive lead screw 132 coaxially mounted on the output shaft of the first Z-axis drive 131, and a first threaded seat 134 for threaded connection of the first drive lead screw 132; a first cylindrical through hole is provided in the middle of the vertical plate 121 for the first drive lead screw 132 to pass through coaxially; wherein, the first drive lead screw 132 can slide freely in the first cylindrical through hole; the top surface of the vertical plate 121 is provided with the first threaded seat 134 at the first cylindrical through hole, and the first threaded seat 134 is coaxially arranged with the first drive lead screw 132 and the first cylindrical through hole, so that the first Z-axis drive 131 drives the first drive lead screw 132 to rotate along its axis, thereby driving the L-shaped carrier plate to move up and down. Optionally, the first Z-axis linear drive component 130 further includes two vertically arranged positioning slide rods 133; the two sides of the vertical plate 121 are respectively provided with second cylindrical through holes for the positioning slide rods 133 to pass through coaxially, and the second cylindrical through holes match the positioning slide rods 133; wherein, the outer peripheral surface of the positioning slide rod 133 abuts against the inner wall surface of the second cylindrical through hole, so that the positioning slide rod 133 can slide up and down in the second cylindrical through hole, so that the first Z-axis drive motor 131 drives the first drive screw 132 to rotate, thereby moving the L-shaped carrier plate on the positioning slide rods 133.

[0054] Specifically, after printing, the first Z-axis linear drive component 130 moves the stabilizing platform 120 and the material tank 110 downwards as a whole. Then, the X-axis linear drive component 140 moves the first Z-axis linear drive component 130, the stabilizing platform 120, and the material tank 110 to the left or right, moving the material tank 110 to the edge of the equipment. This makes it easier for the operator to place the material bucket under the material tank 110's discharge pipe 113 to receive the material. Similarly, through the above process, since the material tank 110 and the stabilizing platform 120 are detachable, moving the material tank 110 to the edge of the equipment also facilitates the operator's disassembly and replacement of the material tank 110.

[0055] If the material pool 110 is simply connected to a moving mechanism and driven to move, horizontal or positional displacement is likely to occur during the movement of the material pool 110. This application addresses this by designing a stable platform 120 constructed from an L-shaped carrier plate and triangular reinforcing blocks 123 to support the material pool 110. This platform works in conjunction with the Z-axis lead screw linear motion module, the slide table 142, and the X-axis linear drive component 140 to achieve smooth movement of the material pool 110. Furthermore, the positioning slide rod 133 assists in further improving the stability of the material pool 110's movement.

[0056] In summary, the above design allows the material tank 110 to be easily moved to the edge of the equipment, facilitating manual operation for discharging and disassembling. Furthermore, in situations where material changes and cleaning may be frequent, this design helps maintain the position and level stability of the material tank 110 during convenient movement, ensuring it remains level or stable after resetting. Therefore, this stable moving discharging mechanism 100 effectively ensures the stability of the material tank 110 during movement and resetting, achieving a balance between ease of operation and stability. This improves operational convenience and reduces manpower consumption, thereby increasing production efficiency.

[0057] Optionally, it also includes two first position sensors 150; a first sensing ridge 124 is provided protruding outward from the back of the vertical plate 121, and the two first position sensors 150 are spaced apart at the upper limit end and the lower limit end of the moving path of the vertical plate 121, and the first sensing ridge 124 is located in the sensing area of ​​the upper and lower interval of the two first position sensors 150; the first Z-axis linear drive component 130 and the first position sensors 150 are both electrically connected to the control system.

[0058] During use, the position of the first sensing protrusion 124 can be accurately sensed by two first position sensors 150 located at the upper and lower limit ends, thereby accurately sensing the vertical movement of the material pool 110. The sensing information is fed back to the control system by the first position sensors 150. The control system processes and analyzes the information and feeds back to control the first Z-axis linear drive component 130, thereby accurately moving the material pool 110 up to the horizontal platform 700 before printing, so that the stencil 340 and probe can be immersed in the material pool 110 after printing. It also enables the material pool 110 to be accurately moved down below the horizontal platform 700 for material discharge after printing.

[0059] Optionally, the X-axis linear drive component 140 includes a first X-axis drive 141, a slide table 142, and two parallel X-axis slide rails 143; the two X-axis slide rails 143 are arranged parallel to each other at intervals along the X-axis direction; the first Z-axis linear drive component 130 is fixedly mounted on the top surface of the slide table 142, and the bottom sides of the slide table 142 are slidably connected to the X-axis slide rails 143, and the output shaft of the first X-axis drive 141 is connected to the slide table 142, so that the first X-axis drive 141 drives the slide table 142 to slide linearly along the X-axis slide rails 143, thereby driving the first Z-axis linear drive component 130 and the stable platform 120 to move left and right.

[0060] Optionally, the bottom of the positioning slide rod 133 is fixed to the top surface of the slide table 142, and the top surface of the slide table 142 is provided with a locking member 135 for locking and fixing the positioning slide rod 133.

[0061] The bottom of the two locking plates is fixed to the slide table 142 by a screw and nut assembly, and the two locking plates are locked by the screw and nut assembly to stabilize the positioning slide rod 133, thereby further improving the stability of the movable stable platform 120 and the material pool 110.

[0062] Optionally, the X-axis linear drive component 140 further includes two position sensors (not shown in the figure); the two position sensors are spaced apart at the left and right limit ends of the sliding table 142's movement path; the sliding table 142 has a protruding strip extending outward, and the protruding strip is located within the sensing area of ​​the space between the two position sensors; the X-axis linear drive component 140 and the two position sensors are all electrically connected to the control system.

[0063] Similarly, the position sensor senses the data and transmits it to the control system for processing. The control system controls the state of the X-axis linear drive component 140 to achieve automated movement control of the first Z-axis linear drive component 130, the stable platform 120, and the material pool 110 in the X-axis direction.

[0064] Optionally, the stabilizing stage 120 is equipped with a level, such as a bubble level. This design allows the stability of the stabilizing stage 120 to be visually observed.

[0065] Optionally, the bottom end of the material pool 110 is bent horizontally away from the outer peripheral wall of the material pool 110 to form a fixed plate 112. The supporting plate 122 and the fixed plate 112 are provided with matching fastening holes, wherein fasteners are installed in the fastening holes of the fixed plate 112 and the supporting plate 122, so that the fixed plate 112 can be detachably and horizontally installed on the supporting plate 122. This design further improves the stability of the material pool 110 installation and the ease of assembly and disassembly.

[0066] Optionally, the device also includes a material hopper and a funnel; the material hopper and the funnel are installed in the space between the two parallel X-axis slide rails 143; a valve 114 is provided on the discharge pipe 113. This design results in high space utilization of the overall equipment and convenient material discharge operation.

[0067] 3. Design for coordination among various institutions: A position sensor for sensing the travel is designed in the first Z-axis linear drive component 130 of the stable moving discharge mechanism 100, and a position sensor for sensing the travel is designed in the second Z-axis linear drive component 330 of the lifting screen mechanism 300. The position sensor, the first Z-axis linear drive component 130, the second Z-axis linear drive component 330 are electrically connected to the control system, which can control the material pool 110 to rise and reset to the preset position. When the screen 340 falls to the preset position, in this state, the screen 340 is just immersed in the material liquid and will not hit the bottom surface of the material pool 110, but is immersed in the material liquid. The probe of the probe-type temperature detector 410 is just inserted into the material liquid and will not hit the bottom surface of the material pool 110.

[0068] In addition, the moving scraper mechanism 500 works in conjunction with the stable moving discharge mechanism 100 and the lifting screen mechanism 300. When the material pool 110 rises and resets to the preset position, and the screen 340 descends to the preset position, the scraper 510 can be positioned above the screen 340, with the blade of the scraper 510 positioned on the liquid surface. Through the design of multiple mechanism stroke control, the printing process is automated and operates with high quality.

[0069] It should be noted that: The aforementioned printing light source mechanism is existing technology, and those skilled in the art can implement it using existing printing light source mechanisms based on the concept of this application.

[0070] The position sensor is an infrared optical position sensor, which is a non-contact sensor that uses infrared light to detect the position or displacement of a target object. It determines the precise position of the object by emitting infrared light and analyzing changes in the reflected light signal. It is widely used in industrial automation, consumer electronics, robot navigation, and other fields, which will not be elaborated upon here.

[0071] A ball screw linear motion module (also known as a ball screw module) is a core transmission mechanism that converts rotary motion into high-precision linear motion; its working principle will not be elaborated here. Similarly, the working principle of a synchronous belt linear drive module is also publicly available and will not be elaborated here.

[0072] The control system can realize functions such as information reception, information processing, feedback control of the printing light source mechanism and the driving mechanism, and achieve automated operation of the equipment through information reception and feedback control.

[0073] The control system can be a central processing unit, a microcontroller unit, or a field-programmable gate array (FPGA). This control system is existing technology; it has a programmable memory for storing programs, executing user-oriented instructions such as logical operations, sequential control, and timing, and controlling various types of machinery or production processes through digital or analog input / output. As this is existing technology, its specific details will not be elaborated further. The control system can receive and process information from sensing components such as temperature detector probes and position sensors, and after processing and analyzing the information, it provides feedback to adjust the parameters of the laser generator and other components in the printing light source mechanism, as well as the motion trajectory of the drive mechanism.

[0074] Additionally, an information input device for inputting information into the control system and a display device for displaying control system information may be provided, including but not limited to a control panel integrating information input and display functions, or a display panel for displaying information combined with an input device such as a keyboard. Of course, in some possible embodiments, a remote computer host or computer (not shown) may also be included, and the control system communicates with these remote devices.

[0075] Those skilled in the art should understand that although many problems exist in the prior art, each embodiment or technical solution of this application can be improved in only one or a few aspects, without necessarily solving all the technical problems listed in the prior art or background art at the same time. Those skilled in the art should understand that content not mentioned in a claim should not be construed as a limitation on that claim. The terms "first," "second," etc. (if present) in the specification, claims, and accompanying drawings of the embodiments of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application and are not intended to limit them; although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A detection plate feeding mechanism assembly for a liquid temperature-measuring SLA 3D printer, characterized in that: Includes frame, material tank (110), liquid temperature detection mechanism (400), lifting screen mechanism (300), and control system; The internal tank of the material pool (110) is divided into a main tank (115) and a secondary tank (116) by a partition plate, and the liquid flow of the main tank (115) and the secondary tank (116) can be interconnected. The liquid temperature detection mechanism (400) is located behind the lifting mesh plate mechanism (300) and above the secondary tank (116); the liquid temperature detection mechanism (400) includes a probe-type temperature detector (410) for detecting the liquid temperature in the secondary tank (116) and a position adjustment component. The probe-type temperature detector (410) is detachably mounted on the frame via a position adjustment component, so that the position of the probe-type temperature detector (410) can be adjusted, and the probe of the probe-type temperature detector (410) is inserted into the liquid in the secondary tank (116). The lifting mesh plate mechanism (300) includes a second Z-axis linear drive component and a mesh plate (340) located above the main tank (115); the second Z-axis linear drive component is used to drive the mesh plate (340) to move up and down so that the mesh plate (340) can be lowered and immersed in the liquid in the main tank (115); The lifting mesh plate mechanism (300) is provided with a second position sensor (350) for sensing the position of the mesh plate (340); the second Z-axis linear drive component and the second position sensor (350) are electrically connected to the control system.

2. The detection plate feeding mechanism assembly for a liquid temperature measurable SLA 3D printer according to claim 1, characterized in that: It also includes a first Z-axis linear drive component (130) and a first position sensor (150) for driving the material pool (110) to move up and down. The first position sensor (150) is used to sense the position of the material pool (110), and the first Z-axis linear drive component (130) and the first position sensor (150) are electrically connected to the control system.

3. The detection plate-laying mechanism assembly for a liquid temperature measurable SLA 3D printer according to claim 1, characterized in that: The frame includes a main frame (600) and a horizontal platform (700), the horizontal platform (700) being mounted on the front area of ​​the waist of the main frame (600); The position adjustment component includes a mounting plate (220); the mounting plate (220) includes a horizontally arranged transverse sub-plate (221); the transverse sub-plate (221) is used for detachable connection with the rear side of the platform surface (700); The transverse subplate (221) is provided with a probe mounting hole (2211), and the probe-type temperature detector (410) is detachably and securely connected to the probe mounting hole (2211) so that the probe of the probe-type temperature detector (410) passes through the probe mounting hole (2211) and extends downward into the liquid in the secondary tank (116).

4. The detection plate feeding mechanism assembly for a liquid temperature measurable SLA 3D printer according to claim 3, characterized in that: The platform surface (700) is provided with an extension plate (230) at the rear. The extension plate (230) is provided with a number of elongated waist holes, and the transverse sub-plate (221) is provided with a number of elongated waist holes. The transverse sub-plate (221) is fastened to the elongated waist holes of the transverse sub-plate (221) and the elongated waist holes of the extension plate (230) by fasteners, so that the transverse sub-plate (221) can be detachably connected to the extension plate (230).

5. The detection platen assembly for a liquid temperature measurable SLA 3D printer according to claim 3, characterized in that: The horizontal sub-plate (221) is provided with a number of probe mounting holes (2211).

6. The detection plate feeding mechanism assembly for a liquid temperature measurable SLA 3D printer according to claim 3, characterized in that: A partition plate is vertically installed inside the tank of the material pool (110) to divide the tank of the material pool (110) from front to back into a main tank (115) and a secondary tank (116); the partition plate is provided with a flow hole so that the liquid flow of the main tank (115) and the secondary tank (116) can be interconnected; And / or, the outer peripheral wall of the material pool (110) extends downward and protrudes from its bottom surface to form a base (111), the base (111) having a holding opening (1111) for holding; wherein, the bottom end of the base (111) is bent horizontally away from the outer peripheral wall of the material pool (110) to form a fixed plate (112) for support and fixation. And / or, the second Z-axis linear drive component includes a support frame (310) fixed on the frame, a mounting bracket (320), and a second Z-axis linear drive assembly (330). The mounting bracket (320) is used to keep the mesh plate (340) horizontally set, and it is vertically slidably mounted on the support frame (310) along the Z-axis direction, so that it can move on the support frame (310) along the Z-axis direction; The second Z-axis linear drive assembly (330) is mounted on the support frame (310), and its output shaft is connected to the mounting bracket (320). The second Z-axis linear drive assembly (330) drives the mounting bracket (320) to move up and down so that the mesh plate (340) can be lowered and immersed in the liquid in the main tank (115).

7. The detection plate feeding mechanism assembly for a liquid temperature measurable SLA 3D printer according to claim 6, characterized in that: The second Z-axis linear drive assembly (330) includes a second Z-axis drive motor (331) fixed on a support frame (310), a second drive screw (332), and a second threaded seat (333) for threaded connection of the second drive screw (332). The second drive screw (332) is coaxially mounted on the output shaft of the second Z-axis drive (331), and the second threaded seat (333) is mounted on the mounting bracket (320) so that the second Z-axis drive (331) drives the second drive screw (332) to rotate along its axis, thereby driving the mounting bracket (320) and the mesh plate (340) to move up and down.

8. The detection plate feeding mechanism assembly for a liquid temperature measurable SLA 3D printer according to claim 7, characterized in that: The support frame (310) is provided with two Z-axis slide rails (334), which are arranged in parallel at intervals along the Z-axis direction. The mounting bracket (320) includes a horizontally arranged bracket (321) for supporting the mesh plate (340) and two vertical tie rods (322) connected to both sides of the bracket (321). The top of the vertical tie rod (322) is provided with a slide bar (323), which is slidably connected to the Z-axis slide rail (334). The two slide bars (323) are connected by the second threaded seat (333) so that the second Z-axis drive motor (331) drives the second drive screw (332) to rotate along its axis, drives the slide bar (323) to slide linearly along the Z-axis slide rail (334), and drives the mounting bracket (320) and the mesh plate (340) to move up and down. And / or, it also includes two second position sensors (350) and a control system; the mounting bracket (320) has a second sensing ridge (324) protruding outward on its back side, and the two second position sensors (350) are spaced apart at the upper limit end and the lower limit end of the moving path of the mounting bracket (320), and the second sensing ridge (324) is located in the sensing area of ​​the upper and lower interval of the two second position sensors (350); the second Z-axis linear drive component and the second position sensor (350) are both electrically connected to the control system.

9. The detection plate feeding mechanism assembly for a liquid temperature measurable SLA 3D printer according to claim 8, characterized in that: The second position sensor (350) is an infrared optical position sensor; And / or, the vertical tie rod (322) is detachably connected to the bracket (321), the bracket (321) is detachably connected to the mesh plate (340); the second position sensor (350) is detachably connected to the support frame (310).

10. An SLA 3D printer, characterized in that: Includes the detection plate feeding mechanism assembly as described in any one of claims 1-9, the movable scraper mechanism (500), and the printing light source mechanism for providing curing light and disposed above the material tank (110); The frame includes a main frame (600) and a platform surface (700), with the platform surface (700) mounted on the waist of the main frame (600). The platform surface (700) is provided with an opening (710), and a first Z-axis linear drive component (130) for driving the material pool (110) to move up and down is provided below the material pool (110). The material pool (110) is installed below the opening (710); the first Z-axis linear drive component (130) drives the material pool (110) to move upward into the opening (710), and when the mesh plate (340) moves downward into the liquid in the main tank (115), the scraper (510) of the moving scraper mechanism (500) is located on the liquid surface of the material pool (110), and the probe of the probe-type temperature detector (410) is inserted into the liquid in the secondary tank (116).

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