Manual demolding mechanism of photocuring 3D printer
By designing a manual demolding mechanism for a photopolymer 3D printer, a demolding rod is pressed into the molding hole to achieve rapid demolding, which solves the complex demolding problem of requiring platform disassembly in existing technologies and simplifies the operation process.
Patent Information
- Application Number
- CN202423280755.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing DLP photopolymer 3D printers have a complex demolding process after printing, requiring the disassembly of the entire printing platform.
A manual demolding mechanism for a photopolymer 3D printer was designed, including a forming platform, a demolding template, an elastic support component, a fixing plate, and a demolding assembly. Demolding is achieved quickly through manual operation, and the demolding rod is pressed into the forming hole to complete the demolding.
It enables quick manual demolding without disassembling the molding platform, simplifying the demolding process.
Smart Images

Figure CN223573844U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of light-cured 3D printing, especially relates to a light-cured 3D printer manual demolding mechanism. BACKGROUND
[0002] DLP light-cured printer is through digital projection technology, utilizes digital micro - mirror device (DMD chip) to reflect light to form image. DMD chip is made of millions of tiny mirrors, these mirrors can tilt to reflect the light from the light source, form projection image. The printer projects a layer of image directly to the resin surface through the projector, solidifies the whole layer of resin once, realizes fast printing. This technology makes DLP printer can print three-dimensional model with high accuracy and speed, especially the curved surface and the part of rich details.
[0003] In the prior art, for DLP light-cured 3D printer, after completing printing, the whole printing platform needs to be disassembled, and then demolding is carried out, and the whole demolding process is complex. UTILITY MODEL CONTENT
[0004] Based on the above, the utility model aims at providing a light-cured 3D printer manual demolding mechanism, which can quickly complete manual demolding.
[0005] To achieve the above purpose, the utility model adopts the following technical scheme:
[0006] The utility model provides a light-cured 3D printer manual demolding mechanism, which comprises:
[0007] A forming platform is provided with a plurality of forming holes thereon;
[0008] A demolding plate is arranged above the forming platform and is provided with a plurality of demolding rods thereon, and the demolding rods are arranged one by one with the forming holes;
[0009] An elastic support part comprises a support plate and a support elastic part, the support plate is connected to the demolding plate, the top of the support elastic part is connected to the support plate, and the bottom of the support elastic part abuts against the forming platform;
[0010] Two fixing plates are arranged on the two sides of the forming platform respectively;
[0011] Two demolding assemblies are arranged, each comprising two pressure rods, the two pressure rods are rotatably connected to the two sides of the fixing plate respectively, the top of the two pressure rods is connected through a manual plate, and the pressure rods are located above the demolding plate.
[0012] Preferably, the pressure rod comprises a pressure mold end and a connecting end, and the connecting position of the pressure mold end and the connecting end is rotatably connected with the fixing plate.
[0013] Preferably, the included angle between the pressing die end and the connecting end is obtuse.
[0014] Preferably, a pulling elastic member is further included, one end of the pulling elastic member is connected to the elastic support member, and the other end of the pulling elastic member is connected to the pressing rod.
[0015] Preferably, a groove plate is arranged on the support plate, a groove rod is arranged on the pressing rod, one end of the elastic support member is connected to the groove plate, and the other end of the elastic support member is connected to the groove rod.
[0016] Preferably, a first slot is arranged on the hand-operated plate.
[0017] Preferably, a second slot is arranged on the fixed plate.
[0018] Preferably, a first connecting hole is arranged on the support plate, a first supporting hole is arranged on the forming platform, the top of the supporting elastic part is connected to the first connecting hole, and the bottom of the supporting elastic part is arranged on the first supporting hole.
[0019] Preferably, a plurality of first mounting holes are arranged on the demolding plate, the first mounting holes are arranged one-to-one with the demolding rods, and the demolding rods are mounted in the first mounting holes.
[0020] Preferably, the elastic support members are arranged in four groups and are arranged at four corners of the forming platform, respectively.
[0021] The beneficial effects of the present application are as follows:
[0022] The utility model provides a kind of light curing 3D printer manual demolding mechanism, when printing is completed, by two hands hold hand-operated plate to the middle folding, since pressing rod and fixed plate rotation connection, the bottom of pressing rod will be pressed down demolding plate in the process of rotation, the demolding rod on demolding plate will be pressed into the forming hole of forming platform, to complete manual demolding, the whole process does not need to disassemble forming platform, can be quickly manually completed demolding. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed in the description of the embodiments of the present application will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present application and these drawings without creative labor.
[0024] Fig. 1 A structure diagram of a light curing 3D printer manual demolding mechanism is provided for the embodiments of the present application.
[0025] Fig. 2 An exploded structural schematic view of a manual demolding mechanism of a photocuring 3D printer is provided for the embodiment of the utility model;
[0026] Fig. 3 A structural schematic view of the elastic support is provided for the embodiment of the utility model.
[0027] In the figure,
[0028] 1, forming platform; 11, forming hole; 12, first support hole; 2, demolding plate; 21, demolding rod; 22, first mounting hole; 3, elastic support; 31, support plate; 311, first connecting hole; 32, support elastic part; 33, groove plate; 4, fixed plate; 41, second groove; 5, demolding assembly; 51, pressing rod; 511, pressing die end; 512, connecting end; 52, manual plate; 521, first groove; 53, rotating bolt; 54, groove rod; 6, pulling elastic part. DETAILED DESCRIPTION
[0029] In order to make the technical problems solved by the utility model, the technical scheme adopted and the technical effects reached more clear, the technical scheme of the embodiment of the utility model will be described in further detail below in combination with the drawings. Obviously, the described embodiment is only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.
[0030] In the description of the utility model, unless there is explicit definition and limitation, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixed connection, can also be detachable connection, or be integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements or the interaction relationship of two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0031] In the utility model, unless another definite provision and limitation, first feature is in second feature "on" or "under" can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them. Moreover, first feature is in second feature "on", "above" and "upper surface" includes that first feature is in second feature directly above and obliquely above, or only indicates that first feature horizontal height is higher than second feature. First feature is in second feature "under", "below" and "under surface" includes that first feature is in second feature directly below and obliquely below, or only indicates that first feature horizontal height is less than second feature.
[0032] In the description of the embodiment, the terms "upper", "lower", "left", "right", and the like orientation or position relationship are based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in description, and have no special meaning.
[0033] As Figs. 1 to 3 shown, the utility model discloses a light curing 3D printer manual demolding mechanism, include: the forming platform 1, is provided with a plurality of forming holes 11 on it;Demolding plate 2, set up in the upper of forming platform 1, is provided with a plurality of demolding rod 21 on it, demolding rod 21 with forming hole 11 one-to-one setting;Elastic support 3, it includes support plate 31 and support elastic part 32, support plate 31 connects demolding plate 2, the top of support elastic part 32 connects support plate 31, the bottom of support elastic part 32 abuts against forming platform 1;Through elastic support 3, when not needing demolding, through elastic support 3 and support connection demolding plate 2 in the upper of forming platform 1;As preferably, the elastic support 3 is provided with four groups, is provided with in the four corners of forming platform 1 respectively. Fixed plate 4, it is provided with two groups, is provided with in the two sides of forming platform 1 respectively;Demolding assembly 5, it is provided with two groups, it includes two pressure bars 51, two pressure bars 51 are rotatably connected to the two sides of fixed plate 4 respectively, preferably, through the rotatable bolt 53 and rotatably connect fixed plate 4 and pressure bar 51, the top of two pressure bars 51 is connected through manual plate 52, pressure bar 51 is located in the upper of demolding plate 2.
[0034] The utility model discloses a kind of manual demolding mechanisms of photocuring 3D printer, when printing is completed, by two hands hold manual plate 52 towards the middle folding, since the bottom of plunger 51 is pressed down demolding plate 2 in the process of rotation, demolding rod 21 on demolding plate 2 will be pressed into the forming hole 11 of forming platform 1, at this time, support elastic part 32 is compressed, to complete manual demolding, the whole process does not need to disassemble forming platform 1, and demolding can be quickly completed manually.When demolding is completed, release both hands, under the action of the elasticity of support elastic part 32, demolding plate 2 resets, and demolding rod 21 retracts.
[0035] In some embodiments, as shown in Fig. 1 And 2 The plunger 51 includes a compression mold end 511 and a connecting end 512, and the connecting position of the compression mold end 511 and the connecting end 512 is rotationally connected with the fixed plate 4. Specifically, the compression mold end 511 is pressed above the demolding plate 2, when the manual plate 52 rotates, the connecting end 512 rotates, the connecting end 512 drives the compression mold end 511 to press down the demolding plate 2, so as to manually demold. Preferably, the included angle between the compression mold end 511 and the connecting end 512 is obtuse.
[0036] In some embodiments, as shown in Fig. 1 And 2 Further comprising a pulling elastic member 6, one end of the pulling elastic member 6 is connected with the elastic support 3, and the other end of the pulling elastic member 6 is connected with the plunger 51. The support plate 31 is provided with a groove plate 33, the plunger 51 is provided with a groove rod 54, one end of the elastic support 3 is connected with the groove plate 33, and the other end of the elastic support 3 is connected with the groove rod 54. Specifically, the pulling elastic member 6 is a spring, the elastic support 3 and the plunger 51 are connected through the pulling elastic member 6, the pulling elastic member 6 lifts the demolding assembly 5, and prevents the demolding assembly 5 from sagging under the action of gravity and affecting other structural components in the printer.
[0037] In some embodiments, as shown in Fig. 1 And 2 In order to facilitate folding of the manual plate, a first slot 521 is formed in the manual plate 52.
[0038] In some embodiments, as shown in Fig. 1 And 2 In order to facilitate lifting of the entire forming platform 1, a second slot 41 is formed in the fixed plate 4.
[0039] In some embodiments, as shown in Figs. 1 to 3As shown, the support plate 31 is provided with a first connecting hole 311, the forming platform 1 is provided with a first support hole 12, the top of the support elastic part 32 is connected to the first connecting hole 311, and the bottom of the support elastic part 32 is arranged on the first support hole 12. Specifically, the support elastic part 32 is a spring.
[0040] In some embodiments, as shown in Fig. 1 and 3 As shown, the stripper plate 2 is provided with a plurality of first mounting holes 22, the first mounting holes 22 are one-to-one arranged with the stripper rods 21, and the stripper rods 21 are mounted in the first mounting holes 22.
[0041] It should be noted that the above is only the preferred embodiment of the present application and the technical principles applied. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, and those skilled in the art can make various obvious changes, re-adjustments and substitutions without departing from the scope of the present application. Therefore, although the present application has been described in more detail through the above embodiments, the present application is not limited to the above embodiments, and can include more other equivalent embodiments without departing from the concept of the present application, and the scope of the present application is determined by the scope of the appended claims.
Claims
1. A manual demolding mechanism for a photopolymer 3D printer, characterized in that, include: A forming platform (1) is provided with a number of forming holes (11); A demolding template (2) is set above the forming platform (1), and a plurality of demolding rods (21) are provided on it. The demolding rods (21) are provided one-to-one with the forming holes (11). The elastic support (3) includes a support plate (31) and a support elastic part (32), wherein the support plate (31) is connected to the demolding template (2), the top of the support elastic part (32) is connected to the support plate (31), and the bottom of the support elastic part (32) abuts against the forming platform (1); The fixing plate (4) is provided in two sets, which are respectively set on both sides of the forming platform (1); The demolding assembly (5) is provided in two sets, including two pressure rods (51). The two pressure rods (51) are rotatably connected to both sides of the fixed plate (4). The tops of the two pressure rods (51) are connected by a manual plate (52). The pressure rods (51) are located above the demolding template (2).
2. The manual demolding mechanism for a photopolymer 3D printer according to claim 1, characterized in that, The pressure rod (51) includes a pressure mold end (511) and a connecting end (512), and the connection position of the pressure mold end (511) and the connecting end (512) is rotatably connected to the fixed plate (4).
3. The manual demolding mechanism for a photopolymer 3D printer according to claim 2, characterized in that, The included angle between the molding end (511) and the connecting end (512) is an obtuse angle.
4. The manual demolding mechanism for a photopolymer 3D printer according to claim 1, characterized in that, It also includes a lifting elastic element (6), one end of which is connected to the elastic support element (3), and the other end of which is connected to the pressure rod (51).
5. A manual demolding mechanism for a photopolymer 3D printer according to claim 4, characterized in that, The support plate (31) is provided with a groove plate (33), the pressure rod (51) is provided with a groove rod (54), one end of the elastic support member (3) is connected to the groove plate (33), and the other end of the elastic support member (3) is connected to the groove rod (54).
6. The manual demolding mechanism for a photopolymer 3D printer according to claim 1, characterized in that, The manual plate (52) has a first groove (521).
7. The manual demolding mechanism for a photopolymer 3D printer according to claim 1, characterized in that, The fixing plate (4) has a second groove (41).
8. The manual demolding mechanism for a photopolymer 3D printer according to claim 1, characterized in that, The support plate (31) has a first connecting hole (311), the forming platform (1) has a first supporting hole (12), the top of the supporting elastic part (32) is connected to the first connecting hole (311), and the bottom of the supporting elastic part (32) is disposed on the first supporting hole (12).
9. A manual demolding mechanism for a photopolymer 3D printer according to claim 1, characterized in that, The demolding template (2) is provided with a plurality of first mounting holes (22), and the first mounting holes (22) are provided one-to-one with the demolding rod (21), and the demolding rod (21) is installed in the first mounting hole (22).
10. A manual demolding mechanism for a photopolymer 3D printer according to claim 1, characterized in that, The elastic support member (3) is provided in four sets, which are respectively located at the four corners of the forming platform (1).