Platform assembly with locking mechanism and three-dimensional printing equipment

Abstract

The utility model provides a platform assembly with a locking mechanism and three-dimensional printing equipment. The platform assembly comprises a base, a locking mechanism and a locking mechanism, the mounting plate is arranged on the base; the locking piece is movably arranged on the mounting plate, the locking piece has a locking state and an unlocking state, and a mounting interval is formed between the locking piece and the side, away from the base, of the mounting plate; a forming platform; and the platform fixing frame is arranged on the forming platform, the platform fixing frame can stretch into the mounting interval, and when the locking piece is in the locking state, the platform fixing frame is clamped by the locking piece and the mounting plate of the platform assembly. Through the technical scheme provided by the invention, the problem that the locking effect of the locking piece of the platform assembly in the related technology is limited can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of three-dimensional molding equipment, in particular to a platform component with a locking mechanism and a three-dimensional printing device. Background Art

[0002] LCD light-curing 3D printers use a light source to project light onto a transparent tray at the bottom, causing the light-curable material between the molding platform and the bottom of the tray to undergo a polymerization reaction to obtain a cured sheet, which is bonded to the molding platform. By keeping the molding platform away from the bottom of the tray and allowing the light source to project light to the bottom of the tray intermittently or uninterruptedly, the sheets are cured layer by layer, and the stacked cured sheets eventually form a three-dimensional solid print.

[0003] In the related art, the platform assembly includes a molding platform, a platform fixing frame and a locking member. The molding platform is movably arranged on the platform fixing frame. A leveling member is arranged between the molding platform and the platform fixing frame. The platform fixing frame is detachably arranged on the platform driving mechanism. The locking member is arranged between the platform fixing frame and the platform driving mechanism.

[0004] However, the locking effect of the locking member of the platform assembly in the related art is limited. Utility Model Content

[0005] The utility model provides a platform component with a locking mechanism and a three-dimensional printing device, so as to solve the problem that the locking effect of the locking piece of the platform component in the related art is limited.

[0006] According to one aspect of the utility model, a platform assembly with a locking mechanism is provided, and the platform assembly includes: a base; a mounting plate, which is arranged on the base; a locking member, which is movably arranged on the mounting plate, and the locking member has a locked state and an unlocked state, and an installation gap is provided between the locking member and a side of the mounting plate facing away from the base; a molding platform; a platform fixing frame, which is arranged on the molding platform, and the platform fixing frame can extend into the installation gap, and when the locking member is in the locked state, the locking member and the mounting plate clamp the platform fixing frame.

[0007] Furthermore, the mounting plate is movably arranged on the base, and the platform assembly further comprises a leveling member, which is arranged between the base and the mounting plate to adjust the inclination angle of the mounting plate relative to the base.

[0008] Furthermore, the locking member includes: a connecting member, which is arranged perpendicular to the mounting plate, a first end of the connecting member is connected to the mounting plate, and a second end of the connecting member extends in a direction away from the base; a cam wrench, which is hingedly connected to the second end of the connecting member, and a hinge axis of the cam wrench is parallel to the mounting plate, and a locking protrusion is provided on the circumferential side wall of the cam wrench, and the installation gap is located between the circumferential side wall of the cam wrench and a side of the mounting plate away from the base, and when the locking member is in a locked state, the locking protrusion faces the mounting plate.

[0009] Furthermore, the locking piece also includes a bushing, which is sleeved on the connecting piece and located between the cam wrench and the mounting plate. A matching concave surface is provided on the side of the bushing facing the cam wrench. When the locking piece is in a locking state, the locking protrusion is press-fitted with the matching concave surface.

[0010] Further, the bushing includes a sleeve and a cone, the cone is arranged on the side of the sleeve away from the base, the connecting piece is passed through the sleeve and the cone, the mounting gap is located between the sleeve and the mounting plate, and the mating concave surface is arranged on the side of the cone facing the cam wrench; and / or, the locking piece also includes a reset piece, which is arranged between the bushing and the mounting plate to apply a reset force to the bushing away from the mounting plate.

[0011] Furthermore, the connecting member includes: a screw rod, which is perpendicular to the mounting plate and movably penetrates the mounting plate; a nut, which is sleeved on the screw rod and cooperates with the screw thread, and the nut is located on the side of the mounting plate facing the base. When the locking member is in a locked state, the nut abuts against the side of the mounting plate facing the base.

[0012] Furthermore, a side of the mounting plate facing the base is provided with an avoidance groove, the nut is located in the avoidance groove, and the avoidance groove extends to one end of the mounting plate; and / or, the screw rod is engaged with the mounting plate to prevent rotation.

[0013] Furthermore, the leveling part includes multiple leveling screws and multiple locking screws. The leveling screws and the locking screws are both passed through the mounting plate. The lower ends of the leveling screws abut against the base. The leveling screws cooperate with the mounting plate threads, and the lower ends of the locking screws are threadedly connected to the base.

[0014] Furthermore, a pad is embedded on the side of the base facing the mounting plate, the hardness of the pad is greater than the hardness of the base, and the lower end of the leveling screw abuts against the pad; and / or a maximum stroke limit structure is provided between the leveling screw and the mounting plate.

[0015] Furthermore, the base includes a bottom plate and two side plates, the two side plates are arranged facing each other, the lower ends of the two side plates are connected to the bottom plate, the mounting plate is movably arranged at the upper ends of the two side plates, and the mounting plate, the bottom plate and the two side plates are arranged to form a accommodating cavity.

[0016] Furthermore, the platform assembly also includes a weighing sensor, which is detachably arranged on the bottom plate and located in the accommodating cavity; and / or the base also includes a baffle plate, which is covered at an opening at one end of the accommodating cavity, and the baffle plate is connected to the base and / or the mounting plate.

[0017] Furthermore, the platform fixing frame includes a first plate body and a second plate body arranged opposite to each other and a third plate body and a fourth plate body arranged opposite to each other, the ends of the first plate body and the second plate body facing away from the forming platform are connected to the third plate body, the ends of the first plate body and the second plate body facing the forming platform are connected to the fourth plate body, the fourth plate body is connected to the forming platform, and the third plate body can extend into the installation gap; the outer wall of the first plate body and the outer wall of the second plate body are provided with anti-slip structures; a positioning notch is provided at one end of the third plate body, and the opening of the positioning notch is a gradually expanding opening, the mounting plate includes a plate body and a positioning boss arranged on the plate body, the positioning notch is adapted to the shape of the positioning boss, the plate body can be movably arranged on the base, and the installation gap is located on the side of the locking member and the plate body facing away from the base.

[0018] According to another aspect of the utility model, a three-dimensional printing device is provided, which includes: a platform driving mechanism; a platform component, the platform driving mechanism is drivingly connected to a base of the platform component, and the platform component is the platform component provided above.

[0019] By applying the technical solution of the utility model, the platform assembly includes a base, a mounting plate, a leveling member and a locking member. When the locking member is switched to an unlocked state, the connecting frame of the molding platform extends into the mounting interval, and the locking member is switched to a locked state, thereby utilizing the locking member and the mounting plate to clamp the connecting frame of the molding platform. By using the locking member that switches between the locked state and the unlocked state, the molding platform is taken and placed relative to the platform assembly. The locking member is easy to operate and improves the locking effect of the locking member of the platform assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0021] Figure 1 A schematic diagram of the structure of the platform assembly provided by an embodiment of the utility model is shown;

[0022] Figure 2 An exploded view of a platform assembly provided by an embodiment of the utility model is shown;

[0023] Figure 3 A bottom view of a platform assembly provided by an embodiment of the utility model is shown;

[0024] Figure 4Shows Figure 3 Sectional view at AA in the middle;

[0025] Figure 5 A top view of a platform assembly provided by an embodiment of the utility model is shown;

[0026] Figure 6 Shows Figure 5 Sectional view at the middle BB;

[0027] Figure 7 A schematic diagram of the assembly process of the platform assembly provided by the embodiment of the utility model is shown;

[0028] Figure 8 A schematic diagram of the structure of the platform assembly provided by an embodiment of the utility model is shown;

[0029] Fig. 9 A schematic structural diagram of a forming platform and a platform fixing frame of a platform assembly provided in an embodiment of the utility model is shown.

[0030] The above drawings include the following reference numerals:

[0031] 11. Base; 111. Bottom plate; 112. Side plate; 113. Cushion block; 114. Shield plate; 12. Mounting plate; 121. Avoidance groove; 122. Plate body; 123. Positioning boss; 124. Rubber plug; 13. Leveling piece; 131. Leveling screw; 132. Locking screw; 14. Locking piece; 141. Connecting piece; 1411. Screw rod; 1412. Nut; 142. Cam wrench; 1421. Locking convex part; 143. Bushing; 1431. Matching concave surface; 1432. Sleeve; 1433. Round table; 144. Reset piece; 15. Mounting interval; 16. Accommodating cavity; 17. Weighing sensor;

[0032] 20. Molding platform;

[0033] 30. Platform fixing frame; 31. First plate body; 32. Second plate body; 33. Third plate body; 331. Positioning notch; 34. Fourth plate body; 35. Anti-slip structure. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means a limitation on the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0035] like Figures 1 to 6 As shown, an embodiment of the utility model provides a platform assembly, which includes a base 11, a mounting plate 12, a leveling member 13 and a locking member 14. The mounting plate 12 is arranged on the base 11, and the locking member 14 is movably arranged on the mounting plate 12. The locking member 14 has a locked state and an unlocked state. An installation gap 15 is provided between the locking member 14 and a side of the mounting plate 12 facing away from the base 11. A platform fixing frame 30 is arranged on the forming platform 20, and the platform fixing frame 30 can extend into the installation gap 15. When the locking member 14 is in the locked state, the locking member 14 and the mounting plate 12 clamp the platform fixing frame 30.

[0036] The platform assembly provided in this embodiment includes a base 11, a mounting plate 12, a leveling member 13 and a locking member 14. When the locking member 14 is switched to an unlocked state, the connecting frame of the molding platform extends into the mounting interval 15, and the locking member 14 is switched to a locked state, so that the connecting frame of the molding platform is clamped by the locking member 14 and the mounting plate 12. The molding platform is taken and placed relative to the platform assembly by switching the locking member 14 between the locked state and the unlocked state. The locking member is easy to operate and improves the locking effect of the locking member of the platform assembly.

[0037] It should be noted that the mounting plate 12 can be disposed in any direction of the base 11 . In the present embodiment, the mounting plate 12 is disposed above the base 11 , and the mounting spacer 15 is disposed between the upper surface of the mounting plate 12 and the locking member 14 .

[0038] In this embodiment, the mounting plate 12 is movably arranged on the base 11, and the platform assembly further comprises a leveling member 13, which is arranged between the base 11 and the mounting plate 12 to adjust the inclination angle of the mounting plate 12 relative to the base 11. The inclination angle of the mounting plate 12 relative to the base 11 is adjusted by the leveling member 13, and the inclination angle of the mounting plate 12 relative to the base 11 is fixed after the requirement is met. Thus, the mounting plate 12 can be used to determine the inclination angle of the molding platform after installation by adjusting the inclination angle of the mounting plate 12 relative to the base 11, and the mounting plate 12 and the locking member 14 in the locking state can be used to clamp the connecting frame of the molding platform to lock and fix the molding platform, so as to reduce the change of the inclination angle of the molding platform after installation when the molding platform is repeatedly taken in and out.

[0039] like Figure 1 , Figure 2 as well as Figure 4As shown, the locking member 14 includes a connecting member 141 and a cam wrench 142, the connecting member 141 is arranged perpendicular to the mounting plate 12, the first end of the connecting member 141 is connected to the mounting plate 12, the second end of the connecting member 141 extends in a direction away from the base 11, the cam wrench 142 is hingedly connected to the second end of the connecting member 141, the hinge axis of the cam wrench 142 is parallel to the mounting plate 12, a locking protrusion 1421 is arranged on the circumferential side wall of the cam wrench 142, the mounting space 15 is located between the circumferential side wall of the cam wrench 142 and the side of the mounting plate 12 away from the base 11, and when the locking member 14 is in a locked state, the locking protrusion 1421 faces the mounting plate 12. By pulling the cam wrench 142, the locking protrusion 1421 rotates relative to the mounting plate 12 to change the size of the mounting space 15, so as to facilitate the placement of the molding platform.

[0040] like Figure 1 and Figure 2 As shown, the locking member 14 further includes a bushing 143, which is sleeved on the connecting member 141 and located between the cam spanner 142 and the mounting plate 12. A matching concave surface 1431 is provided on the side of the bushing 143 facing the cam spanner 142. When the locking member 14 is in the locking state, the locking protrusion 1421 is press-fitted with the matching concave surface 1431. When the locking member 14 is in the locking state, the locking protrusion 1421 is press-fitted with the matching concave surface 1431, that is, there is an interference between the locking protrusion 1421 and the bushing 143, and the bushing 143 is elastically deformed to increase the clamping effect on the connecting frame of the molding platform.

[0041] In this embodiment, the bushing 143 is a POM bushing.

[0042] like Figure 4 As shown, the bushing 143 includes a sleeve 1432 and a round table 1433, the round table 1433 is arranged on the side of the sleeve 1432 away from the base 11, the connecting member 141 is penetrated through the sleeve 1432 and the round table 1433, the installation interval 15 is located between the sleeve 1432 and the mounting plate 12, and the matching concave surface 1431 is arranged on the side of the round table 1433 facing the cam wrench 142. The sleeve 1432 is movably penetrated on the mounting plate 12 perpendicular to the mounting plate 12. The bushing 143 with the above structure can increase the contact area between the bushing 143 and the connecting frame of the molding platform while saving the volume of the bushing 143, which is conducive to a compact structure.

[0043] like Figure 2 and Figure 4As shown, the locking member 14 further includes a reset member 144, which is disposed between the bushing 143 and the mounting plate 12 to apply a reset force to the bushing 143 away from the mounting plate 12. When the cam wrench 142 is pulled to switch the locking member 14 to the unlocked state, the reset member 144 applies a reset force to the bushing 143 away from the mounting plate 12 to increase the size of the mounting interval 15, thereby facilitating the removal and placement of the platform.

[0044] Specifically, in this embodiment, the reset member 144 includes a spring, which is sleeved on the screw rod 1411 , and two ends of the spring are respectively in contact with the bushing 143 and the mounting plate 12 .

[0045] like Figure 4 As shown, the connecting member 141 includes a screw rod 1411 and a nut 1412. The screw rod 1411 is perpendicular to the mounting plate 12 and movably penetrates the mounting plate 12. The nut 1412 is sleeved on the screw rod 1411 and threadedly matched with the screw rod 1411. The nut 1412 is located on the side of the mounting plate 12 facing the base 11. When the locking member 14 is in a locked state, the nut 1412 abuts against the side of the mounting plate 12 facing the base 11. The connecting member 141 with the above structure makes the installation connection between the connecting member 141 and the mounting plate 12 easy to operate, improves assembly efficiency and facilitates disassembly and maintenance.

[0046] In this embodiment, the screw rod 1411 is a fisheye screw rod, which facilitates the pin of the cam wrench 142 to be installed on the screw rod 1411 .

[0047] like Figure 2 and Figure 4 As shown, a side of the mounting plate 12 facing the base 11 is provided with an escape groove 121, and the nut 1412 is located in the escape groove 121, and the escape groove 121 extends to one end of the mounting plate 12. By using the escape groove 121, it is convenient to insert a tool into the escape groove 121 to disassemble and assemble the nut 1412, so as to facilitate replacement or maintenance.

[0048] In this embodiment, the screw rod 1411 is anti-rotationally matched with the mounting plate 12. Specifically, the mounting plate 12 is provided with a slot hole with a "D"-shaped cross section, and the screw rod 1411 has an anti-rotation section with a "D"-shaped cross section, which is passed through the slot hole and anti-rotationally matched with the slot hole.

[0049] like Figure 2 and Figure 6As shown, the leveling member 13 includes a plurality of leveling screws 131 and a plurality of locking screws 132. The leveling screws 131 and the locking screws 132 are both inserted into the mounting plate 12. The lower end of the leveling screw 131 abuts against the base 11. The leveling screw 131 is threadedly matched with the mounting plate 12, and the lower end of the locking screw 132 is threadedly connected with the base 11. When the leveling member 13 is used to adjust the inclination angle of the mounting plate 12 relative to the base 11, the locking screws 132 are first installed without locking the base 11 and the mounting plate 12. The inclination angle of the mounting plate 12 relative to the base 11 is adjusted by rotating different leveling screws 131. When the inclination angle of the mounting plate 12 relative to the base 11 meets the requirements, the plurality of locking screws 132 are tightened to lock the base 11 and the mounting plate 12 to fix the inclination angle of the mounting plate 12 relative to the base 11, which is easy to operate.

[0050] like Figure 1 and Figure 6 As shown, the mounting plate 12 further includes a rubber plug 124, which is embedded in the upper surface of the mounting plate 12 and located above the leveling member 13. When there is no need to level the mounting plate 12, the rubber plug 124 is used to shield the leveling member 13 to avoid damage to the leveling member 13.

[0051] like Figure 2 and Figure 6 As shown, a pad 113 is embedded on one side of the base 11 facing the mounting plate 12. The hardness of the pad 113 is greater than that of the base 11, and the lower end of the leveling screw 131 abuts against the pad 113. When the leveling screw 131 is used to adjust the inclination of the mounting plate 12 relative to the base 11, the leveling screw 131 is prevented from causing damage to the base 11. At the same time, the pad 113 is embedded on the base 11, which can improve the compactness of the structure of the leveling locking assembly. In addition, the pad 113 is detachably arranged on the base 11 through a fastener, which facilitates the replacement and disassembly of the pad 113.

[0052] In this embodiment, a maximum stroke limit structure is provided between the leveling screw 131 and the mounting plate 12 to prevent the mounting plate 12 from being too far away from the base 11. When the locking member 14 is in the unlocked state, interference between the mounting plate 12 and the connecting frame of the forming platform is avoided, so as not to affect the smooth removal of the forming platform 20 from the mounting interval 15.

[0053] Specifically, the maximum stroke limiting structure includes a recessed groove provided on a surface of the mounting plate 12 facing away from the base 11 to avoid the screw head of the leveling screw.

[0054] like Figure 1 , Figure 2 , Figure 4 as well as Figure 6As shown, the base 11 includes a bottom plate 111 and two side plates 112. The two side plates 112 are arranged opposite to each other. The lower ends of the two side plates 112 are connected to the bottom plate 111. The mounting plate 12 is movably arranged on the upper ends of the two side plates 112. The mounting plate 12, the bottom plate 111 and the two side plates 112 are arranged to form a accommodating cavity 16.

[0055] like Figures 1 to 6 As shown, the platform assembly further includes a weighing sensor 17 , which is detachably disposed on the bottom plate 111 and located in the accommodating cavity 16 . The weighing sensor 17 can be used to monitor the weight of the molded product on the molding platform 20 in real time.

[0056] Specifically, the weighing sensor 17 is detachably connected to the bottom plate 111 via a fastener.

[0057] like Figure 1 and Figure 2 As shown, the base 11 also includes a shielding plate 114, which covers an opening at one end of the accommodating cavity 16. The shielding plate 114 is connected to the base 11 and / or the mounting plate 12, and the shielding plate 114 can shield the end opening of the accommodating cavity 16.

[0058] The base 11 can be manufactured by casting or extrusion. Specifically, the base 11 is processed by aluminum extrusion in this embodiment, the cushion block 113 is made of sheet metal, and the mounting plate 12 is processed by extrusion or die casting, which is low in cost.

[0059] like Figure 7 and Fig. 9 As shown, the platform fixing frame 30 includes a first plate body 31 and a second plate body 32 arranged opposite to each other and a third plate body 33 and a fourth plate body 34 arranged opposite to each other. The ends of the first plate body 31 and the second plate body 32 facing away from the forming platform 20 are connected to the third plate body 33, and the ends of the first plate body 31 and the second plate body 32 facing the forming platform 20 are connected to the fourth plate body 34. The fourth plate body 34 is connected to the forming platform 20, and the third plate body 33 can extend into the installation interval 15.

[0060] In this embodiment, the third plate body 33 is further provided with operating holes corresponding to the multiple leveling screws 131 and the multiple locking screws 132 , and a tool can be inserted into the operating holes to perform a leveling operation on the leveling member 13 .

[0061] like Figure 7 and Fig. 9 As shown, anti-slip structures 35 are provided on the outer side walls of the first plate body 31 and the second plate body 32 to prevent the platform fixing frame 30 from slipping off when being taken or placed.

[0062] Specifically, the anti-slip structure 35 includes fine stripe grooves and convex bulges. The fine stripe grooves are arranged on the side of the first plate body 31 facing away from the second plate body 32 and on the side of the second plate body 32 facing away from the first plate body 31. The convex bulges are arranged at the ends of the first plate body 31 and the second plate body 32 facing the forming platform 20.

[0063] like Figure 1 , Figure 2 , Figure 6 , Figure 7 as well as Fig. 9 As shown, a positioning notch 331 is provided at one end of the third plate body 33, and the opening of the positioning notch 331 is a gradually expanding opening. The mounting plate 12 includes a plate body 122 and a positioning boss 123 provided on the plate body 122, and the positioning notch 331 is adapted to the shape of the positioning boss 123. The plate body 122 is movably provided on the base 11, and the mounting interval 15 is located on the side of the locking member 14 and the plate body 122 away from the base 11. Since the opening of the positioning notch 331 is a gradually expanding opening, and the positioning notch 331 is adapted to the shape of the positioning boss 123, when the third plate body 33 is installed in the mounting interval 15, the gradually expanding opening is used to facilitate the positioning boss 123 to extend into the positioning notch 331, thereby improving the assembly efficiency, and the positioning notch 331 and the positioning boss 123 are used to limit the displacement during installation to achieve the installation positioning.

[0064] In this embodiment, the positioning gap between the positioning notch 331 and the positioning boss 123 is less than or equal to 0.2 mm. When the locking member 14 is in the locking state, the locking member 14 and the mounting plate 12 clamp the third plate body 33, and the positioning notch 331 is positioned and matched with the positioning boss 123 to limit the rotation and displacement of the third plate body 33.

[0065] In this embodiment, the platform fixing frame 30 is an extruded part.

[0066] like Fig. 9 As shown, a foot is provided on one side of the fourth plate body 34 facing the molding platform 20 , and a fastener is passed through the fourth plate body 34 and the foot and is fastened to the molding platform 20 .

[0067] In this embodiment, the flatness of the mating surface between the third plate body 33 and the mounting plate 12 is less than or equal to 0.2 mm.

[0068] Another embodiment of the present utility model provides a three-dimensional printing device, which includes a platform driving mechanism and a platform component. The platform driving mechanism is drivingly connected to a base 11 of the platform component, and the platform component is the platform component provided above.

[0069] The three-dimensional printing device provided by this embodiment is applied, and the leveling member 13 is used to adjust the inclination angle of the mounting plate 12 relative to the base 11, and the inclination angle of the mounting plate 12 relative to the base 11 is fixed until the requirement is met. When the locking member 14 is switched to the unlocked state, the platform fixing frame 30 extends into the mounting interval 15, and the locking member 14 is switched to the locked state, so that the locking member 14 and the mounting plate 12 are used to clamp the platform fixing frame 30, and the locking member 14 switched between the locked state and the unlocked state is used to take and place the platform fixing frame 30 relative to the platform assembly. Thus, by using the mounting plate 12, the inclination angle of the mounting plate 12 relative to the base 11 can be adjusted to determine the inclination angle of the molding platform 20 after installation, and the mounting plate 12 and the locking member 14 in the locked state can be used to clamp the platform fixing frame 30 to lock and fix the molding platform 20, and when the platform fixing frame 30 is repeatedly taken and placed, the change in the inclination angle of the molding platform 20 is reduced.

[0070] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0071] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the utility model. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0072] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0073] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0074] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0075] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A platform assembly with a locking mechanism, characterized in that: include: Base (11); A mounting plate (12) disposed on the base (11); A locking member (14) is movably arranged on the mounting plate (12), the locking member (14) having a locking state and an unlocking state, and an installation gap (15) is provided between the locking member (14) and a side of the mounting plate (12) facing away from the base (11); A molding platform (20); A platform fixing frame (30) is arranged on the molding platform (20), and the platform fixing frame (30) can extend into the installation interval (15). When the locking member (14) is in a locked state, the locking member (14) and the installation plate (12) clamp the platform fixing frame (30).

2. The platform assembly according to claim 1, characterized in that: The mounting plate (12) is movably arranged on the base (11), and the platform assembly further comprises a leveling member (13), wherein the leveling member (13) is arranged between the base (11) and the mounting plate (12) to adjust the inclination angle of the mounting plate (12) relative to the base (11).

3. The platform assembly according to claim 1, characterized in that: The locking member (14) comprises: A connecting member (141) is arranged perpendicular to the mounting plate (12), a first end of the connecting member (141) is connected to the mounting plate (12), and a second end of the connecting member (141) extends in a direction away from the base (11); A cam wrench (142) is hingedly connected to the second end of the connecting member (141), the hinge axis of the cam wrench (142) is parallel to the mounting plate (12), a locking protrusion (1421) is provided on the circumferential side wall of the cam wrench (142), the mounting gap (15) is located between the circumferential side wall of the cam wrench (142) and the side of the mounting plate (12) facing away from the base (11), and when the locking member (14) is in the locking state, the locking protrusion (1421) faces the mounting plate (12).

4. The platform assembly according to claim 3, characterized in that: The locking member (14) further comprises a bushing (143), wherein the bushing (143) is sleeved on the connecting member (141) and is located between the cam wrench (142) and the mounting plate (12); a matching concave surface (1431) is provided on a side of the bushing (143) facing the cam wrench (142); when the locking member (14) is in the locking state, the locking protrusion (1421) is press-fitted with the matching concave surface (1431).

5. The platform assembly according to claim 4, characterized in that: The bushing (143) comprises a sleeve (1432) and a truncated cone (1433), the truncated cone (1433) being arranged on a side of the sleeve (1432) facing away from the base (11), the connecting member (141) passing through the sleeve (1432) and the truncated cone (1433), the mounting spacer (15) being located between the sleeve (1432) and the mounting plate (12), and the matching concave surface (1431) being arranged on a side of the truncated cone (1433) facing the cam wrench (142); and / or, The locking member (14) further comprises a reset member (144), wherein the reset member (144) is arranged between the bushing (143) and the mounting plate (12) so as to apply a reset force to the bushing (143) away from the mounting plate (12).

6. The platform assembly according to claim 3, characterized in that: The connecting member (141) comprises: A screw rod (1411) is perpendicular to the mounting plate (12) and movably penetrates the mounting plate (12); A nut (1412) is sleeved on the screw rod (1411) and threadably matched with the screw rod (1411); the nut (1412) is located on a side of the mounting plate (12) facing the base (11); when the locking member (14) is in the locking state, the nut (1412) abuts against a side of the mounting plate (12) facing the base (11).

7. The platform assembly according to claim 6, characterized in that: A side of the mounting plate (12) facing the base (11) is provided with an escape groove (121), the nut (1412) is located in the escape groove (121), and the escape groove (121) extends to one end of the mounting plate (12); and / or, The screw rod (1411) is in anti-rotation cooperation with the mounting plate (12).

8. The platform assembly according to claim 2, characterized in that: The leveling member (13) comprises a plurality of leveling screws (131) and a plurality of locking screws (132); the leveling screws (131) and the locking screws (132) are both passed through the mounting plate (12); the lower ends of the leveling screws (131) abut against the base (11); the leveling screws (131) are threadedly matched with the mounting plate (12); and the lower ends of the locking screws (132) are threadedly connected to the base (11).

9. The platform assembly according to claim 8, characterized in that: A cushion block (113) is embedded on one side of the base (11) facing the mounting plate (12), the hardness of the cushion block (113) is greater than the hardness of the base (11), and the lower end of the leveling screw (131) abuts against the cushion block (113); and / or, A maximum stroke limiting structure is provided between the leveling screw (131) and the mounting plate (12).

10. The platform assembly according to claim 1, characterized in that The base (11) comprises a bottom plate (111) and two side plates (112); the two side plates (112) are arranged facing each other; the lower ends of the two side plates (112) are connected to the bottom plate (111); the mounting plate (12) is movably arranged at the upper ends of the two side plates (112); and the mounting plate (12), the bottom plate (111) and the two side plates (112) are arranged to form a receiving cavity (16).

11. The platform assembly according to claim 10, characterized in that: The platform assembly further comprises a weighing sensor (17), wherein the weighing sensor (17) is detachably arranged on the bottom plate (111) and located in the accommodating cavity (16); and / or, The base (11) further comprises a shielding plate (114), wherein the shielding plate (114) covers an opening at one end of the accommodating cavity (16), and the shielding plate (114) is connected to the base (11) and / or the mounting plate (12).

12. The platform assembly according to claim 1, characterized in that The platform fixing frame (30) comprises a first plate body (31) and a second plate body (32) arranged opposite to each other, and a third plate body (33) and a fourth plate body (34) arranged opposite to each other, the ends of the first plate body (31) and the second plate body (32) facing away from the molding platform (20) are connected to the third plate body (33), the ends of the first plate body (31) and the second plate body (32) facing the molding platform (20) are connected to the fourth plate body (34), the fourth plate body (34) is connected to the molding platform (20), and the third plate body (33) can extend into the installation space (15); An anti-slip structure (35) is provided on the outer wall of the first plate body (31) and the outer wall of the second plate body (32); A positioning notch (331) is provided at one end of the third plate body (33), and the opening of the positioning notch (331) is a gradually expanding opening. The mounting plate (12) comprises a plate body (122) and a positioning boss (123) arranged on the plate body (122), and the positioning notch (331) is adapted to the shape of the positioning boss (123). The plate body (122) can be movably arranged on the base (11), and the mounting spacer (15) is located on a side of the locking member (14) and the plate body (122) that is away from the base (11).

13. A three-dimensional printing device, characterized in that: The three-dimensional printing device comprises: Platform driving mechanism; A platform assembly, wherein the platform driving mechanism is drivingly connected to a base (11) of the platform assembly, and the platform assembly is the platform assembly according to any one of claims 1 to 12.

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