Convenient and rapid leveling mechanism for DLP 3D printer

Abstract

The utility model discloses a DLP3D printer's convenient and fast leveling mechanism, the mechanism includes: frame, lifting frame, lifting mechanism, printing table subassembly and liquid crystal screen, the frame is provided with the raw material groove in the recess, and its one side is provided with the lifting frame through the lifting mechanism in the liftable manner, the printing table subassembly is provided on the lifting frame, and the liquid crystal screen is provided on the printing table subassembly. The liquid crystal screen is detachably arranged on the raw material tank in a covering manner; the printing table assembly comprises a first fixing plate, a second fixing plate, a dial indicator, a limiting fixing piece and an adjusting fixing piece. According to the leveling method, the defects that in a leveling mode of a traditional DLP3D printer, the pressure of the four corners of a printing platform needs to be sensed through a piece of thin paper or other things, an accurate result cannot be obtained, the leveling precision of the printing platform cannot be ensured only by feeling, and the printing success rate is affected are overcome. According to the convenient and fast leveling mechanism of the DLP 3D printer, the four corners of the printing platform can convert pressure into numerical values, and therefore a user can conduct leveling visually.

Description

TECHNICAL FIELD

[0001] The utility model relates to, specifically, a kind of DLP3D printer convenient and fast leveling mechanism. BACKGROUND

[0002] The current 3D printer is easy to produce deviation when used for the pressing plate structure of material pressing and internal pressure maintaining, or the height is not the same, which causes uneven material when pressing and maintaining internal pressure, and further causes the product yield of 3D printer printing to be low, affecting work efficiency.

[0003] The leveling method of traditional DLP3D printer is difficult to determine whether the printing platform is leveled, and it needs to sense the pressure of the four corners of the printing platform through a very thin piece of paper or other things. This method cannot obtain accurate results and can only rely on feeling, so it cannot ensure the leveling accuracy of the printing platform and affects the product yield.

[0004] Therefore, it is an urgent problem for the utility model to provide a DLP3D printer convenient and fast leveling mechanism that can convert the pressure of the four corners of the printing platform into numerical values to facilitate the user to intuitively level. UTILITY MODEL CONTENTS

[0005] To overcome the above technical problems, the utility model aims to provide a DLP3D printer convenient and fast leveling mechanism that can convert the pressure of the four corners of the printing platform into numerical values to facilitate the user to intuitively level.

[0006] To achieve the above purpose, the utility model provides a DLP3D printer convenient and fast leveling mechanism, which comprises a rack, a lifting frame, a lifting mechanism, a printing table assembly and a liquid crystal screen. The rack is recessed to form a raw material groove, and a lifting frame is movably arranged on one side of the rack through the lifting mechanism. The printing table assembly is arranged on the lifting frame, and the liquid crystal screen is detachably arranged on the raw material groove. The printing table assembly comprises a first fixed plate, a second fixed plate, a dial indicator, a limiting fixing piece and an adjusting fixing piece. The first fixed plate is arranged at the outer end of the lifting frame, and a plurality of adjusting fixing pieces are arranged around the periphery of the first fixed plate. The adjusting fixing pieces are vertically screwed on the first fixed plate and the second fixed plate. A plurality of limiting fixing pieces are arranged on the opposite sides of the first fixed plate. The lower end of the limiting fixing piece is rotatably arranged on the second fixed plate, and the upper end of the limiting fixing piece extends out of the first fixed plate. The second fixed plate is provided with a dial indicator at each corner.

[0007] Preferably, the measuring rod of the dial gauge is provided with threads around the circumference, and the rod body is provided with a limiting notch along the length direction, the second fixing plate is provided with limiting blocks at the four corners, and the second fixing plate is further rotatably provided with rotating ring blocks at the four corners, and the dial gauge is coaxially screwed into the rotating ring blocks.

[0008] Preferably, the rotating ring blocks are provided with first anti-skid lines around the circumference.

[0009] Preferably, the second fixing plate is further detachably provided with plug blocks which are in interference fit with the through holes of the dial gauges, and the plug blocks are coaxially provided with push-out blocks at the upper ends.

[0010] Preferably, the adjusting fixing members are provided with second anti-skid lines around the circumference at the upper ends.

[0011] Preferably, the first fixing plate is vertically screwed with locking fixing members, and the lifting frame is provided with clamping interfaces which are matched with the locking fixing members.

[0012] Preferably, the raw material tank is provided with a plurality of positioning holes around the circumference, and the liquid crystal screen is provided with positioning blocks which are matched with the positioning holes one by one.

[0013] According to the above technical scheme, the beneficial effects of the present application compared with the prior art are as follows: when leveling is needed, the liquid crystal screen cover is arranged on the raw material tank, then the measuring ends of the dial gauges are extended out of the lower surface of the second fixing plate by the same distance, then each adjusting fixing member is screwed to separate from the second fixing plate, at this time, the second fixing plate is reciprocally movably arranged on the first fixing plate along the length direction of the limiting fixing member, then the lifting mechanism is used to drive the lifting frame to descend, so that the second fixing plate is located on the liquid crystal screen, then each adjusting fixing member is tightened on the second fixing plate, at this time, the first fixing plate and the second fixing plate will not move, since the measuring ends of the dial gauges are movable, after the second fixing plate is tightened, the values on the dial gauges will change, when the values displayed on each dial gauge are greatly different, it means that the second fixing plate is not leveled well, and the adjusting fixing member needs to be screwed to adjust, by screwing the corresponding adjusting fixing member, the values on each dial gauge are consistent, at this time, it means that the second fixing plate has been leveled well, and finally the measuring ends of the dial gauges are lifted up; the liquid crystal screen is used because the surface of the liquid crystal screen is relatively flat, and the leveling effect is good, this leveling method converts the four-corner pressure into values, so that the user can intuitively level, thereby improving the printing precision and success rate, if the four-corner pressure is not adjusted, the second fixing plate is forcibly leveled, and in the process of working, the second fixing plate will be inclined due to the different four-corner pressures, which affects the printing effect.

[0014] The other features and advantages of the present application will be described in detail in the following specific embodiments part; and the parts not involved in the present application are the same as the prior art or can be realized by using the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, and together with the following specific embodiments, serve to explain the present application, but do not constitute a limitation on the present application. In the drawings:

[0016] Figure 1 is a preferred embodiment of the present application, which is a three-dimensional view of the DLP 3D printer convenient and fast leveling mechanism provided in the present application Figure 1 .

[0017] Figure 2 is a preferred embodiment of the present application, which is a partial view of the DLP 3D printer convenient and fast leveling mechanism provided in the present application Figure 1 .

[0018] Figure 3 is a preferred embodiment of the present application, which is a partial plan view of the DLP 3D printer convenient and fast leveling mechanism provided in the present application

[0019] Figure 4 is a preferred embodiment of the present application, which is a partial view of the DLP 3D printer convenient and fast leveling mechanism provided in the present application Figure 2 .

[0020] Figure 5 is a preferred embodiment of the present application, which is a three-dimensional view of the DLP 3D printer convenient and fast leveling mechanism provided in the present application Figure 2 .

[0021] Figure 6 is a preferred embodiment of the present application, which is a partial view of the DLP 3D printer convenient and fast leveling mechanism provided in the present application Figure 3 .

[0022] BRIEF DESCRIPTION OF DRAWINGS: 1 - rack; 101 - raw material tank; 102 - positioning hole; 2 - lifting frame; 201 - clamping interface; 3 - lifting mechanism; 4 - printing table assembly; 401 - first fixed plate; 40101 - locking fixing piece; 402 - second fixed plate; 40201 - limiting block; 40202 - rotating ring block; 4020201 - first anti-skid pattern; 403 - dial indicator; 40301 - limiting notch; 404 - limiting fixing piece; 405 - adjusting fixing piece; 40501 - second anti-skid pattern; 406 - plug block; 407 - push-out block; 5 - liquid crystal screen. DETAILED DESCRIPTION

[0023] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely intended to illustrate and explain the present application, and are not intended to limit the present application.

[0024] In the description of the embodiments of the present application, it should be explained that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship of the product of the present application when it is usually placed, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, if the terms "first", "second", "third" and the like appear, they are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In addition, if the terms "horizontal", "vertical", "overhang" and the like appear, they do not mean that the component must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0025] In the description of the embodiments of the present application, it should be explained that, unless otherwise explicitly specified and limited, if the terms "set", "install", "connect", "connect" appear, they should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] In order to further understand the features, technical means and specific purposes and functions achieved by the present application, the present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0027] Reference Figure 1 and Figure 2The application discloses a convenient and quick leveling mechanism of a DLP 3D printer, which comprises a rack 1, a lifting frame 2, a lifting mechanism 3, a printing table assembly 4 and a liquid crystal screen 5, a raw material groove 101 is concavely arranged on the rack 1, and the lifting frame 2 is arranged on one side of the rack 1 in a lifting mode through the lifting mechanism 3, the printing table assembly 4 is arranged on the lifting frame 2, and the liquid crystal screen 5 is detachably arranged on the raw material groove 101; wherein the printing table assembly 4 comprises a first fixed plate 401, a second fixed plate 402, a dial indicator 403, a limiting fixing piece 404 and an adjusting fixing piece 405, the first fixed plate 401 is arranged at the outer end of the lifting frame 2, a plurality of adjusting fixing pieces 405 are arranged around the periphery of the first fixed plate 401, the adjusting fixing pieces 405 are vertically screw-fitted on the first fixed plate 401 and the second fixed plate 402, a plurality of limiting fixing pieces 404 are further arranged on the opposite sides of the first fixed plate 401, the lower end of the limiting fixing piece 404 is rotatably arranged on the second fixed plate 402, and the upper end of the limiting fixing piece 404 extends out of the first fixed plate 401, and the dial indicator 403 is arranged on the four corners of the second fixed plate 402 in a lifting mode.

[0028] When leveling is needed, the liquid crystal screen 5 is arranged on the raw material groove 101, then the measuring end of each dial indicator 403 is extended out of the lower surface of the second fixed plate 402 by the same distance, then each adjusting fixing piece 405 is screwed to separate the second fixed plate 402 from the first fixed plate 401, at this time, the second fixed plate 402 is arranged on the first fixed plate 401 in a reciprocating mode along the length direction of the limiting fixing piece 404, then the lifting mechanism 3 drives the lifting frame 2 to descend, so that the second fixed plate 402 is located on the liquid crystal screen 5, then each adjusting fixing piece 405 is tightened on the second fixed plate 402, at this time, the first fixed plate 401 and the second fixed plate 402 do not move, and the value on the dial indicator 403 changes after the second fixed plate 402 is tightened, when the values displayed on each dial indicator 403 are quite different, it indicates that the second fixed plate 402 is not leveled well, and the adjusting fixing piece 405 needs to be screwed to adjust, the value on each dial indicator 403 is consistent by screwing the corresponding adjusting fixing piece 405, at this time, it indicates that the second fixed plate 402 has been leveled well, and finally the measuring end of each dial indicator 403 is lifted up, the liquid crystal screen 5 is used because the surface of the liquid crystal screen 5 is relatively flat, the leveling effect is good, the leveling mode converts the four-corner pressure into a value, so that the user can intuitively level, thereby improving the printing precision and success rate.

[0029] Reference Figure 3 and Figure 4: The measuring rod of the dial gauge 403 is provided with a thread around the circumference, and the rod body is provided with a limiting notch 40301 along the length direction, the second fixing plate 402 is provided with a limiting block 40201 at the four corners which is matched with the limiting notch 40301, and the second fixing plate 402 is further provided with a rotating ring block 40202 at the four corners which is rotatable, and the dial gauge 403 is coaxially screwed into the rotating ring block 40202.

[0030] The dial gauge 403 is lifted and fixed on the limiting block 40201 through the limiting notch 40301, the rotating ring block 40202 is rotated to screw the thread part of the dial gauge 403 to drive it to lift along the length direction, so that the measuring end extends out of the lower surface of the second fixing plate 402, when the leveling is completed, the rotating ring block 40202 is rotated to screw the thread part of the dial gauge 403 to drive it to lift along the length direction, when the limiting notch 40301 is separated from the limiting block 40201, the dial gauge 403 is fixed by hand or other tools to prevent it from rotating synchronously with the rotating ring block 40202, until the dial gauge 403 is removed from the second fixing plate 402.

[0031] Referring to Figure 4 : The rotating ring block 40202 is provided with a first anti-skid pattern 4020201 around the circumference.

[0032] The design is convenient for the user to rotate the rotating ring block 40202.

[0033] Referring to Figure 5 and Figure 6 : The second fixing plate 402 is further provided with a plug 406 which is detachably matched with the through hole of each dial gauge 403, and the upper end of the plug 406 is coaxially provided with a push block 407.

[0034] After the dial gauge 403 is removed, the plug 406 can be inserted into the second fixing plate 402 to make the lower surface flat, so as to prevent the raw materials in the raw material tank 101 from entering, and the push block 407 is provided to facilitate the user to push the plug 406 out of the body by pushing the push block 407.

[0035] Referring to Figure 3 : The upper end of the adjusting fixing part 405 is provided with a second anti-skid pattern 40501 around the circumference.

[0036] The design is convenient for the user to rotate the adjusting fixing part 405.

[0037] Referring to Figure 4 : The first fixing plate 401 is vertically screwed with a locking fixing part 40101, and the lifting frame 2 is provided with a clamping port 201 which is matched with the locking fixing part 40101.

[0038] The first fixed plate 401 can be clamped into the clamping interface 201 through the locking fixing part 40101, and then the first fixed plate 401 is installed on the lifting frame 2 by tightening the locking fixing part 40101.

[0039] Referring to Figure 2 The raw material tank 101 is provided with a plurality of positioning holes 102 around the periphery, and the liquid crystal screen 5 is provided with a positioning block corresponding to each positioning hole 102.

[0040] The liquid crystal screen 5 can be accurately covered in the positioning hole 102 on the periphery of the raw material tank 101 through the positioning block.

[0041] When leveling is needed, the liquid crystal screen 5 is covered on the raw material tank 101, then the measuring end of each dial gauge 403 is extended by the same distance below the surface of the second fixed plate 402, then each adjusting fixing part 405 is twisted to separate it from the second fixed plate 402, at this time the second fixed plate 402 is reciprocally movably arranged on the first fixed plate 401 along the length direction of the limiting fixing part 404, then the lifting mechanism 3 drives the lifting frame 2 to descend, so that the second fixed plate 402 is located on the liquid crystal screen 5, then each adjusting fixing part 405 is tightened on the second fixed plate 402, at this time the first fixed plate 401 and the second fixed plate 402 will not move, because the measuring end of the dial gauge 403 is movable, after tightening the second fixed plate 402, the value on the dial gauge 403 will change, when the values displayed on each dial gauge 403 are quite different, it means that the second fixed plate 402 is not leveled well, and the adjusting fixing part 405 needs to be twisted for adjustment, by twisting the corresponding adjusting fixing part 405, the values on each dial gauge 403 are consistent, at this time it means that the second fixed plate 402 has been leveled well, and finally the measuring end of each dial gauge 403 is raised, the liquid crystal screen 5 is used because the surface of the liquid crystal screen 5 is relatively flat, and the leveling effect is good, this leveling method converts the four-corner pressure into a value, so that the user can intuitively level, thereby improving the printing precision and success rate.

[0042] The preferred embodiments of the utility model are described in detail above combined with the drawings, but the utility model is not limited to the specific details in the above embodiments, within the technical concept of the utility model, the technical scheme of the utility model can be variously modified, and these simple modifications all belong to the protection scope of the utility model.

[0043] In addition, it should be noted that each specific technical feature described in the above specific embodiments can be combined in any appropriate manner without contradiction, and in order to avoid unnecessary repetition, the utility model will not further describe various possible combinations.

[0044] Furthermore, various different embodiments of the present application can be combined with each other as long as they do not violate the spirit of the present application, and should be considered as disclosed in the present application.

Claims

1. A DLP 3D printer convenient and rapid leveling mechanism, characterized in that, The mechanism comprises a rack (1), a lifting frame (2), a lifting mechanism (3), a printing platform assembly (4) and a liquid crystal screen (5), the rack (1) is provided with a raw material groove (101) in a recessed manner, and one side of the rack (1) is provided with the lifting frame (2) in a liftable manner through the lifting mechanism (3), the printing platform assembly (4) is arranged on the lifting frame (2), and the liquid crystal screen (5) is detachably arranged on the raw material groove (101). The printing platform assembly (4) comprises a first fixed plate (401), a second fixed plate (402), a dial indicator (403), a limiting fixing part (404) and an adjusting fixing part (405), the first fixed plate (401) is arranged at an outer end of the lifting frame (2), a plurality of adjusting fixing parts (405) are arranged around the periphery of the first fixed plate (401), the adjusting fixing parts (405) are vertically screw-fitted on the first fixed plate (401) and the second fixed plate (402), a plurality of limiting fixing parts (404) are further arranged on opposite sides of the first fixed plate (401), the limiting fixing parts (404) are rotatably arranged at lower ends on the second fixed plate (402), and upper ends of the limiting fixing parts (404) are arranged to protrude out of the first fixed plate (401), and the second fixed plate (402) is provided with the dial indicator (403) in a liftable manner at four corners of the second fixed plate (402).

2. The convenient and quick leveling mechanism of a DLP 3D printer according to claim 1, wherein, The measuring rod of the dial indicator (403) is provided with threads around the periphery, and the rod body is provided with a limiting notch (40301) along the length direction, the second fixed plate (402) is provided with limiting blocks (40201) at four corners of the second fixed plate (402), the limiting blocks (40201) are matched with the limiting notch (40301), and the second fixed plate (402) is further rotatably provided with a rotating ring block (40202) at four corners of the second fixed plate (402).

3. The convenient and quick leveling mechanism of a DLP 3D printer according to claim 2, characterized in that, The rotating ring block (40202) is provided with a first anti-skid pattern (4020201) around the periphery.

4. The quick leveling mechanism of a DLP 3D printer according to claim 2, wherein, The second fixed plate (402) is further detachably provided with a plug block (406) which is in interference fit with a through hole into which each dial indicator (403) is inserted, and the plug block (406) is coaxially provided with a push-out block (407) at an upper end.

5. The convenient and quick leveling mechanism of a DLP 3D printer according to claim 4, characterized in that, The adjusting fixing part (405) is provided with a second anti-skid pattern (40501) around the periphery of an upper end.

6. The convenient and quick leveling mechanism of a DLP 3D printer according to claim 1, wherein, The first fixed plate (401) is vertically screw-fitted with a locking fixing part (40101), and the lifting frame (2) is provided with a clamping port (201) matched with the locking fixing part (40101).

7. The convenient and quick leveling mechanism of a DLP 3D printer according to claim 1, wherein, The raw material groove (101) is provided with a plurality of positioning holes (102) around the periphery, and the liquid crystal screen (5) is provided with a positioning block corresponding to each positioning hole (102).

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