CN218256811U - 3D printer and leveling bolt - Google Patents
3D printer and leveling bolt Download PDFInfo
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- CN218256811U CN218256811U CN202221978612.4U CN202221978612U CN218256811U CN 218256811 U CN218256811 U CN 218256811U CN 202221978612 U CN202221978612 U CN 202221978612U CN 218256811 U CN218256811 U CN 218256811U
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Abstract
The utility model discloses a 3D printer and leveling bolt adjust in the different sides of second coupling assembling through the leveling bolt, realize the different side altitude mixture control of print platform body, for print platform body leveling. The utility model adopts the technical proposal that: a printing platform comprises a printing platform body; the printing platform comprises a first connecting assembly and a second connecting assembly, wherein the second connecting assembly is connected with the printing platform body; the leveling assembly comprises at least two leveling bolts, at least two screw holes are formed in the second connecting assembly, adjusting holes corresponding to the screw holes are formed in the first connecting assembly and are strip-shaped through holes, the leveling bolts penetrate through the adjusting holes and are connected with the screw holes, and the at least two leveling bolts are located on different sides of the second connecting assembly and are used for adjusting the inclination angle and/or height of the second connecting assembly from different sides of the second connecting assembly to level the printing platform body. The utility model discloses mainly used print platform leveling.
Description
Technical Field
The utility model relates to a 3D prints technical field, especially relates to a 3D printer and leveling bolt.
Background
The photocuring 3D printer irradiates a light source according to the cross section shape of an object to be formed by utilizing the characteristic that printing resin generates polymerization reaction under illumination, so that the resin in a fluid state is cured and formed. In the printing process, print platform immerses the printing resin to with keeping even gap from the type membrane, light sees through from the type membrane projection on printing resin, makes print platform and takes place the solidification from the resin between the type membrane, forms the first layer of model and adhesion on print platform, and print platform makes it peel off from the type membrane from the printing model that has solidified upwards lifting, then continues to carry out the solidification of next layer, and the successive layer superposes and realizes three-dimensional printing.
The formation of the first layer of model is very important, requires that the printing platform shaping face with from the parallel and apart from accurate of type membrane, and current printing platform adopts modes such as centre gripping, bolt fastening or actuation to be connected with the cantilever of leading truck usually, like in the patent that publication number is CN209971563U, first magnetic mating piece sets up the top surface at printing platform, and the bottom surface of fixing base sets up the second magnetic mating piece, but first magnetic mating piece and second magnetic mating piece magnetism are connected to fixed printing platform. The relative positions of the printing platform and the cantilever are fixed and not adjustable, the angle of the forming surface at the bottom end of the printing platform is also fixed, the angle adjustment cannot be carried out according to the release film, the forming surface and the gap between the release films are uneven, and the first layer of the model cannot be printed smoothly.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a 3D printer and leveling bolt, mainly used solve the unable leveling of print platform, lead to the shaping face and from the inhomogeneous problem in gap between the type membrane.
In order to achieve the above object, the utility model mainly provides the following technical scheme:
on the one hand, the embodiment of the utility model provides a 3D printer, include:
a printing platform body;
the first connecting assembly is used for being connected with the lifting assembly;
the second connecting assembly is connected with the printing platform body;
the leveling assembly comprises at least two leveling bolts, the second connecting assembly is provided with at least two screw holes matched with the leveling bolts, the first connecting assembly is provided with adjusting holes corresponding to the screw holes, the adjusting holes are strip-shaped through holes, the leveling bolts penetrate through the adjusting holes and are connected with the screw holes, and the at least two leveling bolts are positioned on different sides of the second connecting assembly;
the at least two leveling bolts are used for adjusting the inclination angle and/or the height of the second connecting component from different sides of the second connecting component so as to level the printing platform body.
Wherein, leveling bolt includes nut and screw rod, and the nut is connected with the screw rod, and one side of the relative screw rod of nut includes the arcwall face.
Wherein, the regulation hole includes the cambered surface pore wall with cambered surface looks adaptation, and the cambered surface is used for with cambered surface pore wall butt.
Wherein, the screw rod includes cylinder pole and threaded rod, and the both ends of cylinder pole are connected with threaded rod and nut respectively, and the regulation hole still includes the cylindricality pore wall, cylinder pole and cylindricality pore wall butt.
The second connecting assembly is provided with a connecting bulge, the outer surface of the connecting bulge is arc-shaped, and the second connecting assembly is abutted to the first connecting assembly through the connecting bulge;
or the second connecting assembly is provided with a connecting bulge, the outer surface of the connecting bulge is arc-shaped, the second connecting assembly is abutted against the first connecting assembly through the connecting bulge, and the connecting bulge is arranged at the screw hole;
or the second connecting assembly is provided with a connecting bulge, the outer surface of the connecting bulge is arc-shaped, the second connecting assembly is abutted against the first connecting assembly through the connecting bulge, and the connecting bulge is arranged between the adjacent screw holes;
or, be provided with on the second coupling assembling and connect the arch, connect bellied outward surface and personally submit the arc, the second coupling assembling is through connecting protruding and first coupling assembling butt, connects the arch and sets up in screw hole department, and connects the arch and extend to the border of second coupling assembling in the second direction, and the second direction is the width direction of regulation hole.
The second connecting assembly is provided with a connecting bulge, the outer surface of the connecting bulge is arc-shaped, and the second connecting assembly is abutted to the first connecting assembly through the connecting bulge;
the length of the connecting bulge extending in the first direction is less than or equal to the length of the adjusting hole extending in the first direction, and the first direction is the length direction of the adjusting hole;
and/or the second connecting assembly is provided with a connecting bulge, the outer surface of the connecting bulge is arc-shaped, and the second connecting assembly is abutted against the first connecting assembly through the connecting bulge;
the lowest point of the connecting bulge in the first direction is higher than the lowest point of the first connecting assembly in the first direction, and the first direction is the length direction of the adjusting hole;
and/or the second connecting assembly is provided with a connecting bulge, the outer surface of the connecting bulge is arc-shaped, and the second connecting assembly is abutted against the first connecting assembly through the connecting bulge;
the highest point of the connecting bulge in the first direction is higher than the lowest point of the adjusting hole in the first direction, and the first direction is the length direction of the adjusting hole.
The second connecting assembly comprises a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate are respectively connected with the printing platform body, and the first connecting plate and the second connecting plate are arranged at intervals;
the leveling assembly comprises a first leveling bolt and a second leveling bolt, the first connecting plate is connected with the first connecting assembly through the first leveling bolt, and the second connecting plate is connected with the first connecting assembly through the second leveling bolt;
the first leveling bolt is used for adjusting the relative position of the first connecting plate and the first connecting assembly, and the second leveling bolt is used for adjusting the relative position of the second connecting plate and the first connecting assembly.
The leveling assembly further comprises a third leveling bolt and a fourth leveling bolt;
the first connecting plate is also connected with the first connecting assembly through a third leveling bolt, and the second connecting plate is also connected with the first connecting assembly through a fourth leveling bolt;
the third leveling bolt and the first leveling bolt are arranged at intervals, and the fourth leveling bolt and the second leveling bolt are arranged at intervals.
The first connecting assembly comprises a middle connecting plate, a first side plate and a second side plate, the middle connecting plate is used for being connected with the lifting assembly, and the first side plate and the second side plate are respectively connected with two ends of the middle connecting plate;
the second connecting assembly is connected with the first side plate and the second side plate through the leveling bolts.
On the other hand, the embodiment of the utility model provides a still provide a leveling bolt, include:
the screw cap is connected with the screw rod, and one side of the screw cap opposite to the screw rod comprises an arc-shaped surface.
The embodiment of the utility model provides a 3D printer mainly carries out position control at the different sides of second coupling assembling through the leveling bolt, and then realizes the regulation of the height of the different sides of print platform body, reaches the purpose for the leveling of print platform body. In the prior art, a printing platform is generally connected with a cantilever of a guide frame in a clamping, bolt fixing or suction manner, the relative positions of the printing platform and the cantilever are fixed but not adjustable, the angle of a forming surface at the bottom end of the printing platform is also fixed, the angle cannot be adjusted according to a release film, the forming surface and a gap between the release films are not uniform, and the first layer of a model cannot be printed smoothly. Compared with the prior art, in this application file, first connecting component is connected with the lifting unit, second coupling assembling and this body coupling of print platform, through set up leveling bolt between first connecting component and second coupling assembling, and leveling bolt is located the different sides of second coupling assembling, leveling bolt is through removing in the regulation hole, realize by the height of the different side adjustment second coupling assembling of second coupling assembling, and then the height of the different positions of adjustment print platform body, realize the adjustment to print platform body inclination, guarantee the effective printing of the first layer of model, guarantee the model precision.
Drawings
Fig. 1 is a schematic structural view of a printing platform, a lifting assembly, a fixing member, and a top plate at a first viewing angle according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a printing platform, a lifting assembly, a fixing member and a top plate at a second viewing angle according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a printing platform, a cantilever, a fixing member, and a top plate at a second viewing angle according to an embodiment of the present invention;
FIG. 4 is an enlarged partial schematic view of the printing platform shown in FIG. 3;
fig. 5 is a schematic structural diagram of the first connecting component and the leveling component at a third viewing angle according to the embodiment of the present invention;
fig. 6 is a schematic structural diagram of a leveling bolt according to an embodiment of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention for achieving the predetermined purpose of the present invention, the following detailed description is provided with reference to the accompanying drawings and preferred embodiments for the specific embodiments, structures, features and effects of the 3D printer according to the present invention.
In one aspect, as shown in fig. 1-2, an embodiment of the present invention provides a 3D printer, including:
a printing platform body 100;
the first connecting assembly 200, the first connecting assembly 200 is used for connecting with the lifting assembly 600;
the second connecting assembly 300, the second connecting assembly 300 is connected with the printing platform body 100;
the leveling assembly 400 comprises at least two leveling bolts 410, the second connecting assembly 300 is provided with at least two screw holes matched with the leveling bolts 410, the first connecting assembly 200 is provided with adjusting holes 210 corresponding to the screw holes, the adjusting holes 210 are strip-shaped through holes, the leveling bolts 410 are connected to the adjusting holes 210 in a penetrating manner and connected with the screw holes, and the at least two leveling bolts 410 are positioned on different sides of the second connecting assembly 300;
at least two leveling bolts 410 are used to adjust the tilt angle and/or height of the second connection assembly 300 from different sides of the second connection assembly 300 for leveling of the printing platform body 100.
In one embodiment, the 3D printer further comprises a lifting assembly 600, a base assembly, and a fixture 500; the lifting assembly 600 comprises a guide mechanism 610 and a cantilever 620, wherein a first end of the cantilever 620 is movably connected to the guide mechanism 610, and a second end of the cantilever 620 is connected to the first connection assembly 200 through the fixing member 500. The base component includes roof 700, is used for placing the silo on the roof 700, and guiding mechanism 610 is fixed on the base component, and guiding mechanism 610 is used for driving cantilever 620 and drives first connecting element 200 and remove to drive print platform body 100 and roof 700 relative movement, carry out 3D and print. The second connecting assembly 300 may be an integral structure or a separate structure. When the second connecting assembly 300 is of an integral structure, different sides of the second connecting assembly 300 correspond to different positions of the printing platform body 100, if the second connecting assembly 300 is of a plate-shaped structure, the second connecting assembly 300 is fixed at the top end of the printing platform body 100, the second connecting assembly 300 is parallel to the forming surface of the printing platform body 100, four sides of the second connecting assembly 300 correspond to different positions of the printing platform body 100, and the leveling bolts 410 are connected to any two sides of the second connecting assembly 300, so that the inclination angles and/or heights of any two sides of the second connecting assembly 300 can be adjusted, and the inclination angles and/or heights of different positions of the printing platform body 100 can be adjusted, and leveling can be further performed. When the second connecting assembly 300 is a split structure, different sides of the second connecting assembly 300 refer to different components of the second connecting assembly 300, the components of the second connecting assembly 300 are connected to different positions of the printing platform body 100, and the leveling bolts 410 are connected to the different components, so that the inclination angles and/or heights of the different positions of the printing platform body 100 can be adjusted by adjusting the inclination angles and/or heights of the components, and further the inclination angles and/or heights of the printing platform body 100 are changed, and leveling is achieved. The first connection member 200 and the second connection member 300 may be disconnected from each other and connected only by the leveling bolt 410, or the first connection member 200 and the second connection member 300 may be directly abutted against each other. In an embodiment, the second connecting assembly 300 is a split structure, the second connecting assembly 300 includes a first connecting plate 310 and a second connecting plate 320, the first connecting plate 310 and the second connecting plate 320 are respectively connected to the printing platform body 100, and the first connecting plate 310 and the second connecting plate 320 are connected to different positions of the printing platform body 100, and both the first connecting plate 310 and the second connecting plate 320 abut against the first connecting assembly 200, and the relative positions are adjustable, so as to adjust the angle of the printing platform body 100, which will be described in further detail below.
The adjustment hole 210 is a bar-shaped through hole extending in a vertical direction so that the first connection member 200 and the second connection member 300 can relatively move in the vertical direction. In the leveling process, the silo can not be placed to roof 700, carries out the leveling of print platform body 100 through the display screen light-passing board and the interact of print platform body 100 for the shaping face is parallel with the display screen light-passing board, and then in the printing process, the shaping face will be parallel with the release film that is located on the display screen light-passing board. Or, in the leveling process, the trough can be placed on the display screen light-transmitting plate, and the leveling of the printing platform body 100 is performed through the interaction between the release film and the printing platform body 100. The following description will be given in detail by taking an example in which the trough is placed on a display screen light-transmitting plate, and the leveling of the printing platform body 100 is performed by the interaction between the release film and the printing platform body 100. The leveling bolt 410 has a function of fixing and loosening the second connection assembly 300, before leveling starts, the leveling bolt 410 is screwed to enable the first connection assembly 200 and the second connection assembly 300 to move mutually, the lifting assembly 600 drives the printing platform body 100 to move downwards, because the forming surface at the bottom end of the printing platform body 100 is not parallel to the release film, one point or one side of the forming surface first contacts the release film, as the printing platform body 100 continues to move, the release film generates upward thrust to the forming surface, and the angle of the first connection assembly 200 is unchanged, so that the second connection assembly 300 connected with the printing platform body 100 moves relative to the first connection assembly 200 under the action of the thrust, the leveling bolt 410 moves in the adjusting hole 210, when the printing platform body 100 descends to a preset position, the forming surface is attached to the release film, at this time, the leveling bolt 410 is screwed, the second connection assembly 300 abuts against the first connection assembly 200, and the leveling bolt 410 fixes the relative position, the inclination angle and/or the height of the second connection assembly 300 and the first connection assembly 200 by abutting against the edge of the adjusting hole 210, so as to realize leveling of the printing platform body 100.
The embodiment of the utility model provides a 3D printer mainly carries out position control at the different sides of second coupling assembling 300 through leveling bolt 410, and then realizes the inclination and/or the height's of the different sides of print platform body 100 regulation, reaches the purpose for print platform body 100 leveling. In the prior art, a printing platform is usually connected with a cantilever of a guide frame in a clamping, bolt fixing or suction manner, the relative position of the printing platform and the cantilever is fixed but not adjustable, the angle of a forming surface at the bottom end of the printing platform is also fixed, the angle cannot be adjusted according to a release film, the forming surface and a gap between the release films are not uniform, and the first layer of the model cannot be printed smoothly. Compared with the prior art, in this application document, first coupling assembling 200 is connected with lifting unit 600, second coupling assembling 300 is connected with printing platform body 100, through set up leveling bolt 410 between first coupling assembling 200 and second coupling assembling 300, and leveling bolt 410 is located the different sides of second coupling assembling 300, leveling bolt 410 is through removing in regulation hole 210, realize that leveling bolt 410 can be by the different side adjustment second coupling assembling 300 of second coupling assembling 300 inclination and/or height, and then the inclination and/or the height of adjustment printing platform body different positions, realize the adjustment to printing platform body inclination, and simple structure is durable, and convenient installation, the leveling process is visual.
In one embodiment, as shown in fig. 4, the leveling bolt 410 includes a nut 411 and a screw 412, the nut 411 is connected to the screw 412, and a side of the nut 411 opposite to the screw 412 includes an arc-shaped surface 413.
When the first connection assembly 200 and the second connection assembly 300 move relatively, the included angle between the contact surfaces of the first connection assembly 200 and the second connection assembly 300 is changed, the angle of the screw hole is changed, and further the angle of the leveling bolt 410 connected with the screw hole is changed, in order to ensure the contact area between the leveling bolt 410 and the first connection assembly 200 and ensure the fixing strength between the leveling bolt 410 and the first connection assembly 200, one side of the nut 411 opposite to the screw 412 comprises an arc-shaped surface 413, when the nut 411 fixes the first connection assembly 200 and the second connection assembly 300, the arc-shaped surface 413 of the nut 411 is abutted against the first connection assembly 200, so that the leveling bolt 410 can fix the first connection assembly 200 and the second connection assembly 300 at a plurality of angles.
In one embodiment, as shown in fig. 3-5, the adjustment hole 210 includes a curved hole wall 211 matching with a curved surface 413, and the curved surface 413 is used for abutting against the curved hole wall 211.
The adjusting hole 210 comprises a first area and a second area which are adjacent in the axial direction, the size of the opening of the first area is uniform in the axial direction, namely, the hole wall of the first area is a cylindrical hole wall 212, the size of the opening of the second area is gradually increased in the direction close to the nut 411, so that the hole wall of the second area is an arc hole wall 211, and the radian of the arc hole wall 211 is matched with the radian of the arc surface 413. In the embedding second region of nut 411 part, and arcwall face 413 and cambered surface pore wall 211 butt for nut 411 passes through the cambered surface with first connecting element 200 and is connected, when increasing area of contact, makes leveling bolt 410's angle change can not influence the area of contact of nut 411 and first connecting element 200, guarantees the fixed strength of nut 411 and first connecting element 200.
It can be understood that, during the leveling process of the printing platform body 100, the inclination angle of the printing platform body 100 is changed, so that the angle of the second connecting component 300 is changed, and then the angle of the screw hole is changed, the angle change of the leveling bolts 410 on both sides is synchronous, that is, after the inclination angle of the printing platform body 100 is changed, the leveling bolts 410 on both sides, or the screw shafts 412 of the leveling bolts 410, are parallel to each other, wherein one of the leveling bolts 410 is inclined upwards from the nut 411 to the screw shaft 412, and one of the leveling bolts 410 is inclined downwards from the nut 411 to the screw shaft 412. In addition, in the present application, the leveling bolt 410 and the connecting protrusion 330 on the second connecting assembly 300 are used in cooperation, so that an optimal leveling effect can be achieved, and an effect that the second connecting assembly 300 is stably fixed with the first connecting assembly 200 in any universal direction can be achieved, and the following will describe in detail an embodiment in which the leveling bolt 410 and the connecting protrusion 330 are used in cooperation.
In one embodiment, as shown in fig. 6, the screw 412 includes a cylindrical rod 4121 and a threaded rod 4122, both ends of the cylindrical rod 4121 are respectively connected with the threaded rod 4122 and the nut 411, and the adjusting hole 210 further includes a cylindrical hole wall 212, and the cylindrical rod 4121 abuts against the cylindrical hole wall 212.
The outer wall of cylinder pole 4121 is smooth outer wall, cylindricality pore wall 212 is the smooth surface, cylinder pole 4121 and cylindricality pore wall 212 slip butt, on the one hand, guarantee that cylinder pole and cylindricality pore wall 212 can slide smoothly relatively, guarantee that second coupling assembling 300 removes to carry out the leveling relative to first coupling assembling 200, on the other hand, cylindricality pore wall 212 carries out the spacing of horizontal direction to the cylinder pole, make second coupling assembling 300 only relative first coupling assembling 200 at vertical direction relative movement, and can not rock on the horizontal direction, realize only changing the inclination of shaping face, avoid print platform at the aversion of horizontal direction and rock.
In one embodiment, the second connecting assembly 300 includes a first connecting plate 310 and a second connecting plate 320, the first connecting plate 310 and the second connecting plate 320 are respectively connected to the printing platform body 100, and the first connecting plate 310 and the second connecting plate 320 are spaced apart from each other. The leveling assembly 400 includes a first leveling bolt and a second leveling bolt, the first connection plate 310 is connected with the first connection assembly 200 through the first leveling bolt, and the second connection plate 320 is connected with the first connection assembly 200 through the second leveling bolt. The first leveling bolt is used for adjusting the relative position between the first connection plate 310 and the first connection assembly 200, and the second leveling bolt is used for adjusting the relative position between the second connection plate 320 and the first connection assembly 200.
Taking the first connection board 310 as an example, the first connection board 310 includes a first sub board and a second sub board, the first sub board and the second sub board are vertically connected, the first sub board is connected with the printing platform body 100, and the second sub board is used for connecting the first connection assembly 200 with the first leveling bolt, so that the first connection board 310 and the second connection board 320 are more firmly fixed with the printing platform. The first connecting plate 310 and the second connecting plate 320 have the same structure, and are symmetrically distributed at intervals in the X-axis direction by using the central axis of the printing platform body 100 as an axis, so that the first connecting plate 310 and the second connecting plate 320 correspond to different positions in the X-axis direction of the printing platform body 100. Take the forming surface of the printing platform body 100 as an approximate rectangle, the printing platform body 100 includes a left side, a right side, a front side and a rear side, and the first connecting plate 310 is close to the left side of the printing platform body 100, and the second connecting plate 320 is close to the right side of the printing platform body 100 as an example. In the leveling process, when the forming surface is lower on the right side and higher on the left side, the second connecting plate 320 will move relative to the first connecting assembly 200 by a first relative displacement under the pushing action of the release film, the second leveling bolt will move in the adjusting hole 210, and the first connecting plate 310 will move relative to the first connecting assembly 200 by a second relative displacement or not move, and since the forming surface is lower on the right side and higher on the left side, the second relative displacement will be smaller than the first relative displacement, so that the left and right ends of the printing platform body 100 rotate and are leveled.
In one embodiment, the leveling assembly 400 further includes a third leveling bolt and a fourth leveling bolt. The first connection plate 310 is further connected to the first connection member 200 by a third leveling bolt, and the second connection plate 320 is further connected to the first connection member 200 by a fourth leveling bolt. The third leveling bolt and the first leveling bolt are arranged at intervals, and the fourth leveling bolt and the second leveling bolt are arranged at intervals.
The third leveling bolts and the first leveling bolts are distributed at intervals in the Y direction, so that the third leveling bolts and the first leveling bolts correspond to different positions of the printing platform body 100 in the Y-axis direction, and the fourth leveling bolts and the second leveling bolts are distributed at intervals in the Y direction, so that the fourth leveling bolts and the second leveling bolts correspond to different positions of the printing platform body 100 in the Y-axis direction. The forming surface of the printing platform body 100 is approximately rectangular, the printing platform body 100 includes a left side, a right side, a front side and a rear side, the first connecting plate 310 is close to the left side of the printing platform body 100, the second connecting plate 320 is close to the right side of the printing platform body 100, the first leveling bolt and the second leveling bolt are close to the front side of the printing platform body 100, and the third leveling bolt and the fourth leveling bolt are close to the rear side of the printing platform body 100 as an example. In the leveling process, when the front side of the molding surface is lower and the rear side is higher, the front side of the molding surface contacts the release film first, the first leveling bolt and the second leveling bolt move for a third relative displacement relative to the first connecting assembly 200 through the pushing action of the release film, the third leveling bolt and the fourth leveling bolt move for a fourth relative displacement or do not move relative to the first connecting assembly 200, and the fourth relative displacement is smaller than the third relative displacement due to the fact that the front side of the molding surface is lower and the rear side is higher, so that the front end and the rear end of the printing platform body 100 rotate and are leveled.
The first leveling bolt, the second leveling bolt, the third leveling bolt and the fourth leveling bolt are used for leveling the printing platform body 100 respectively in the left side direction, the right side direction, the front side direction and the rear side direction of the printing platform body 100, so that the inclination angle of the printing platform body 100 can be flexibly adjusted, and the leveling accuracy is guaranteed. It is understood that the first connecting plate 310 is provided with two adjusting holes 210 corresponding to the first leveling bolt and the third leveling bolt, and the second connecting plate 320 is provided with two adjusting holes 210 corresponding to the second leveling bolt and the fourth leveling bolt.
In one embodiment, as shown in fig. 4, the second connecting member 300 is provided with a connecting protrusion 330, an outer surface of the connecting protrusion 330 is arc-shaped, and the second connecting member 300 abuts against the first connecting member 200 through the connecting protrusion 330.
Taking the example that the second connecting assembly 300 includes the first connecting plate 310 and the second connecting plate 320, the first connecting plate 310 and the second connecting plate 320 are respectively provided with a connecting protrusion 330, and the first connecting plate 310 and the second connecting plate 320 are respectively abutted to the first connecting assembly 200 through the connecting protrusion 330. Taking the first connecting plate 310 as an example, when the first connecting plate 310 moves, the inclination degree of the first connecting plate 310 changes, and by providing the connecting protrusion 330, when the inclination degree of the first connecting plate 310 changes, the connecting protrusion 330 can abut against the first connecting element 200 at different positions, so as to prevent a gap from being generated between the first connecting plate 310 and the first connecting element 200. In the embodiment using the leveling bolt 410, the screw hole is disposed at the connecting protrusion 330 of the first connecting plate 310, and the leveling bolt 410 can effectively press the first connecting assembly 200 and the first connecting plate 310 at any angle, so that the inclination angle of the printing platform can be effectively adjusted.
In one embodiment, the first leveling bolt, the second leveling bolt, the third leveling bolt and the fourth leveling bolt have the same structure, and are all the leveling bolts described above with the nut 411 and the threaded rod 412, wherein the side of the nut 411 opposite to the threaded rod 412 includes an arc-shaped bottom surface 413. The first connecting plate 310 is provided with a first screw hole and a third screw hole which are matched with the first bolt and the third bolt, and the second connecting plate 320 is provided with a second screw hole and a fourth screw hole which are matched with the second bolt and the fourth bolt. Be provided with on the first connecting assembly 200 with the corresponding setting of screw and the same first regulation hole of structure, second regulation hole, third regulation hole and fourth regulation hole, arbitrary regulation hole includes the cambered surface pore wall 211 with cambered bottom surface 413 looks adaptation, cambered bottom surface 413 is used for with cambered surface pore wall 211 butt. In the leveling process of the printing platform body 100, when the inclination angle of the printing platform body 100 is changed, the angles of the first screw hole, the second screw hole, the third screw hole and the fourth screw hole are synchronously changed, so that the angles of the first bolt, the second bolt, the third bolt and the fourth bolt are synchronously changed, and the screw rods 412 of the first bolt, the second bolt, the third bolt and the fourth bolt are mutually parallel. When the inclination angle of the printing platform body 100 is changed, the arc surface of the connecting protrusion 330 on the first connecting plate 310 rolls and slides relative to the outer wall of the first connecting assembly 200, and the outer wall of the first connecting assembly 200 is abutted through different positions of the arc surface, so that the first connecting plate 310 and the first connecting assembly 200 are always abutted tightly, and the abutting position is the position where the first bolt and the third bolt are arranged, so that the first connecting plate 310 and the first connecting assembly 200 are fixed more stably. Similarly, the cambered surface of the connecting protrusion 330 on the second connecting plate 320 rolls and slides relative to the outer wall of the first connecting assembly 200, and the outer wall of the first connecting assembly 200 is abutted through different positions of the cambered surface, so that the second connecting plate 320 and the first connecting assembly 200 are always abutted tightly, and the abutting position is the position where the second bolt and the fourth bolt are arranged, so that the second connecting plate 320 and the first connecting assembly 200 are fixed more stably. This application is through the interact of the cambered surface pore wall 211 of the arc bottom surface 413 of nut 411 and regulation hole 210 in leveling bolt 410, and sets up on the second coupling assembling 300 and connect protruding 330, and leveling bolt 410 and screw are located and connect protruding 330 department for printing platform body 100 is at arbitrary inclination, perhaps second coupling assembling 300 homoenergetic and first coupling assembling 200 stable fixation when arbitrary orientation.
In the leveling process, the first connecting plate 310 and the first connecting assembly 200 are always abutted through the connecting protrusion 330, when the first bolt and the third bolt are screwed, the first connecting plate 310 cannot move due to the fastening of the first bolt or the third bolt, that is, when the first bolt and the third bolt are screwed, the position of the printing platform body 100 cannot move, the leveling accuracy is ensured, the relative position of the second connecting plate 320 and the first connecting assembly 200 on the other side cannot be influenced, and particularly under the condition that the second bolt and the fourth bolt are screwed, the phenomena that the second bolt and the fourth bolt are loosened and the second connecting plate 320 is pulled and moved are avoided.
The relative positions of the coupling protrusions 330 and the screw holes may be various, and in one embodiment, the coupling protrusions 330 include two separate coupling protrusions 330 at the first screw hole and the third screw hole on the first coupling plate 310, and two separate coupling protrusions 330 at the second screw hole and the fourth screw hole on the second coupling plate 320. Alternatively, in another embodiment, the connecting protrusions 330 may be disposed between adjacent screw holes, that is, the connecting protrusions 330 include one or more connecting protrusions 330 located between the first screw hole and the third screw hole on the first connecting plate 310 and one or more connecting protrusions 330 located between the second screw hole and the fourth screw hole on the second connecting plate 320, the second connecting member 300 and the first connecting member 200 are not connected at the screw holes, and only the connecting protrusions 330 located between the screw holes are connected to each other. Still alternatively, in some other embodiments, the connection protrusion 330 is disposed at the screw hole, the connection protrusion 330 is a bar-shaped protrusion, the connection protrusion 330 extends to the edge of the second connection assembly 300 in a second direction, and the second direction is a width direction of the adjustment hole 210. That is, the first screw hole and the third screw hole are both located on the same bar-shaped connecting protrusion 330 on the first connecting plate 310, the connecting protrusion 330 on the first connecting plate 310 extends to both side edges of the first connecting plate 310 in the horizontal direction, the second screw hole and the fourth screw hole are both located on the same bar-shaped connecting protrusion 330 on the second connecting plate 320, and the connecting protrusion 330 on the second connecting plate 320 extends to both side edges of the second connecting plate 320 in the horizontal direction.
In one embodiment, the length of the connecting protrusion 330 extending in the first direction is less than or equal to the length of the adjusting hole 210 extending in the first direction, and the first direction is the length direction of the adjusting hole 210.
During the use, the first direction can be vertical direction, and the length of extension in the vertical direction of coupling protrusion 330 is less than the length that the regulation hole 210 extended in the first direction, specifically can be less than the maximum value of the length that the regulation hole 210 extended in the first direction, when guaranteeing that coupling protrusion 330 has sufficient radian, guarantees that coupling protrusion 330 thickness in the horizontal direction is not too big, avoids coupling protrusion 330 to influence the stability of butt between second coupling assembling 300 and first coupling assembling 200.
In one embodiment, the lowest point of the coupling protrusion 330 in the first direction is higher than the lowest point of the first coupling member 200 in the first direction, which is the length direction of the adjustment hole 210. That is, the lowest point of the connecting protrusion 330 in the vertical direction is higher than the lower edge of the first connecting assembly 200, so as to ensure that the connecting protrusion 330 always abuts against the sidewall of the first connecting assembly 200, and the lower edge of the first connecting assembly 200 does not slip off, thereby ensuring that the first connecting assembly 200 and the second connecting assembly 300 are effectively fixed.
In addition, in some other embodiments, the highest point of the connecting protrusion 330 in the first direction is higher than the lowest point of the adjusting hole 210 in the first direction, and the first direction is the length direction of the adjusting hole 210. That is, the highest point of the connecting protrusion 330 in the vertical direction is higher than the lowest point of the adjusting hole 210, ensuring that the screw hole can be provided on the connecting protrusion 330 and corresponds to the adjusting hole 210.
In one embodiment, the first connection assembly 200 includes an intermediate connection plate 220, a first side plate 230 and a second side plate 240, the intermediate connection plate 220 is used for connecting with the lifting assembly 600, and the first side plate 230 and the second side plate 240 are respectively connected with two ends of the intermediate connection plate 220. The first connecting plate 310 is connected to the first side plate 230 by the leveling bolt 410, and the second connecting plate 320 is connected to the second side plate 240 by the leveling bolt 410.
The middle connecting plate 220, the first side plate 230 and the second side plate 240 form an approximately U-shaped structure, after the first connecting assembly 200 is installed on the cantilever 620 of the lifting assembly 600, the middle connecting plate 220 abuts against the top surface of the cantilever 620, the bottom ends of the first side plate 230 and the second side plate 240 are lower than the bottom surface of the cantilever 620, and the adjusting hole 210 is arranged on the area where the first side plate 230 and the second side plate 240 are lower than the bottom surface of the cantilever 620.
In one embodiment, the first side plate 230 and the second side plate 240 are elastically connected to the middle connection plate 220, respectively.
The distance between the first side plate 230 and the second side plate 240 may be slightly smaller than the width of the cantilever 620, so that after the first connection assembly 200 is installed on the cantilever 620, the first side plate 230 and the second side plate 240 can clamp the cantilever 620 to prevent the first connection assembly 200 from moving relative to the cantilever 620.
In one embodiment, the outer contour of the arm 620 of the lift assembly 600 is substantially rectangular, the first connecting assembly 200 abuts both side surfaces of the arm 620, and the intermediate connecting plate 220 is positioned above the arm 620 and abuts the upper surface of the arm 620. The fixing member 500 is a plum blossom-shaped handle, the middle connecting plate 220 is provided with a fixing opening, the cantilever 620 is provided with a connecting hole, and the plum blossom-shaped handle is connected with the connecting hole after passing through the fixing opening, so that the first connecting assembly 200 is fixed on the cantilever 620.
On the other hand, as shown in fig. 6, the embodiment of the present invention further provides a leveling bolt 410, including:
The leveling bolt 410 is used for the 3D printer in any one of the above embodiments, and is used for leveling the printing platform body 100 in any one of the above embodiments.
In one aspect, an embodiment of the utility model provides a 3D printer, include:
a printing platform body 100;
the first connecting assembly 200, the first connecting assembly 200 is used for connecting with the lifting assembly 600;
the second connecting assembly 300, the second connecting assembly 300 is connected with the printing platform body 100;
the leveling assembly 400 comprises at least two leveling bolts 410, at least two screw holes matched with the leveling bolts 410 are formed in the second connecting assembly 300, adjusting holes 210 corresponding to the screw holes are formed in the first connecting assembly 200, the adjusting holes 210 are strip-shaped through holes, the leveling bolts 410 are connected to the adjusting holes 210 in a penetrating mode and connected with the screw holes, and the at least two leveling bolts 410 are located on different sides of the second connecting assembly 300;
at least two leveling bolts 410 are used to adjust the tilt angle and/or height of the second connection assembly 300 from different sides of the second connection assembly 300 for leveling of the printing deck body 100.
The leveling bolt 410 includes a nut 411 and a screw 412, the nut 411 is connected to the screw 412, and one side of the nut 411 opposite to the screw 412 includes an arc-shaped surface 413.
The adjusting hole 210 includes an arc hole wall 211 matched with the arc surface 413, and the arc surface 413 is used for abutting against the arc hole wall 211.
The screw 412 includes a cylindrical rod and a threaded rod, two ends of the cylindrical rod are respectively connected with the threaded rod and the nut 411, the adjusting hole 210 further includes a cylindrical hole wall 212, and the cylindrical rod is abutted to the cylindrical hole wall 212.
The second connecting assembly 300 is provided with a connecting protrusion 330, the outer surface of the connecting protrusion 330 is arc-shaped, and the second connecting assembly 300 is abutted against the first connecting assembly 200 through the connecting protrusion 330;
or, the second connecting assembly 300 is provided with a connecting protrusion 330, the outer surface of the connecting protrusion 330 is arc-shaped, the second connecting assembly 300 is abutted against the first connecting assembly 200 through the connecting protrusion 330, and the connecting protrusion 330 is arranged at the screw hole;
or, the second connecting assembly 300 is provided with a connecting protrusion 330, the outer surface of the connecting protrusion 330 is arc-shaped, the second connecting assembly 300 is abutted against the first connecting assembly 200 through the connecting protrusion 330, and the connecting protrusion 330 is arranged between adjacent screw holes;
or, be provided with on the second coupling assembling 300 and connect protruding 330, the surface of connecting protruding 330 is the arc, and second coupling assembling 300 passes through connecting protruding 330 and first coupling assembling 200 butt, and connecting protruding 330 sets up in the screw hole, and connects protruding 330 and extend to the border of second coupling assembling 300 in the second direction, and the second direction is the width direction of adjusting hole 210.
The second connecting assembly 300 is provided with a connecting protrusion 330, the outer surface of the connecting protrusion 330 is arc-shaped, and the second connecting assembly 300 is abutted against the first connecting assembly 200 through the connecting protrusion 330;
the length of the connection protrusion 330 extending in the first direction is less than or equal to the length of the adjustment hole 210 extending in the first direction, and the first direction is the length direction of the adjustment hole 210;
and/or, a connecting protrusion 330 is arranged on the second connecting assembly 300, the outer surface of the connecting protrusion 330 is arc-shaped, and the second connecting assembly 300 is abutted against the first connecting assembly 200 through the connecting protrusion 330;
the lowest point of the connection protrusion 330 in the first direction is higher than the lowest point of the first connection member 200 in the first direction, which is the length direction of the adjustment hole 210;
and/or the second connecting component 300 is provided with a connecting protrusion 330, the outer surface of the connecting protrusion 330 is arc-shaped, and the second connecting component 300 is abutted against the first connecting component 200 through the connecting protrusion 330;
the highest point of the connection protrusion 330 in the first direction is higher than the lowest point of the adjustment hole 210 in the first direction, which is the length direction of the adjustment hole 210.
The second connecting assembly 300 includes a first connecting plate 310 and a second connecting plate 320, the first connecting plate 310 and the second connecting plate 320 are respectively connected with the printing platform body 100, and the first connecting plate 310 and the second connecting plate 320 are arranged at intervals;
the leveling assembly 400 comprises a first leveling bolt and a second leveling bolt, the first connecting plate 310 is connected with the first connecting assembly 200 through the first leveling bolt, and the second connecting plate 320 is connected with the first connecting assembly 200 through the second leveling bolt;
the first leveling bolt is used for adjusting the relative position of the first connecting plate 310 and the first connecting assembly 200, and the second leveling bolt is used for adjusting the relative position of the second connecting plate 320 and the first connecting assembly 200.
Wherein the leveling assembly 400 further comprises a third leveling bolt and a fourth leveling bolt;
the first connecting plate 310 is further connected with the first connecting assembly 200 through a third leveling bolt, and the second connecting plate 320 is further connected with the first connecting assembly 200 through a fourth leveling bolt;
the third leveling bolt and the first leveling bolt are arranged at intervals, and the fourth leveling bolt and the second leveling bolt are arranged at intervals.
The first connecting assembly 200 comprises an intermediate connecting plate 220, a first side plate 230 and a second side plate 240, the intermediate connecting plate 220 is used for connecting with the lifting assembly 600, and the first side plate 230 and the second side plate 240 are respectively connected with two ends of the intermediate connecting plate 220;
the second connection assembly 300 is connected to the first and second side plates 230 and 240 by the leveling bolt 410.
On the other hand, the embodiment of the utility model provides a still provide a leveling bolt 410, include:
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A3D printer, comprising:
the printing platform comprises a printing platform body and a lifting assembly;
the first connecting assembly is used for being connected with the lifting assembly;
the second connecting assembly is connected with the printing platform body;
the leveling assembly comprises at least two leveling bolts, at least two screw holes matched with the leveling bolts are formed in the second connecting assembly, adjusting holes corresponding to the screw holes are formed in the first connecting assembly, the adjusting holes are strip-shaped through holes, the leveling bolts are connected to the adjusting holes in a penetrating mode and connected with the screw holes, and the at least two leveling bolts are located on different sides of the second connecting assembly;
at least two leveling bolts are used for adjusting the inclination angle and/or the height of the second connecting component from different sides of the second connecting component so as to level the printing platform body.
2. The 3D printer of claim 1,
the leveling bolt comprises a nut and a screw rod, the nut is connected with the screw rod, and the nut is opposite to one side of the screw rod and comprises an arc-shaped surface.
3. The 3D printer of claim 2,
the adjusting hole comprises an arc hole wall matched with the arc surface, and the arc surface is used for being abutted to the arc hole wall.
4. The 3D printer of claim 2,
the screw rod comprises a cylindrical rod and a threaded rod, two ends of the cylindrical rod are connected with the threaded rod and the nut respectively, the adjusting hole further comprises a cylindrical hole wall, and the cylindrical rod is abutted to the cylindrical hole wall.
5. The 3D printer according to any one of claims 1-4,
the second connecting assembly is provided with a connecting bulge, the outer surface of the connecting bulge is arc-shaped, and the second connecting assembly is abutted against the first connecting assembly through the connecting bulge;
or the second connecting assembly is provided with a connecting bulge, the outer surface of the connecting bulge is arc-shaped, the second connecting assembly is abutted against the first connecting assembly through the connecting bulge, and the connecting bulge is arranged at the screw hole;
or the second connecting assembly is provided with a connecting bulge, the outer surface of the connecting bulge is arc-shaped, the second connecting assembly is abutted against the first connecting assembly through the connecting bulge, and the connecting bulge is arranged between the adjacent screw holes;
or, be provided with the coupling protrusion on the second coupling assembling, the bellied outward surface of coupling is the arc, the second coupling assembling passes through the coupling protrusion with first coupling assembling butt, the coupling protrusion set up in screw hole department, just the coupling protrusion extends to in the second direction the border of second coupling assembling, the second direction does the width direction of regulation hole.
6. The 3D printer according to any one of claims 1-4,
the second connecting assembly is provided with a connecting bulge, the outer surface of the connecting bulge is arc-shaped, and the second connecting assembly is abutted against the first connecting assembly through the connecting bulge;
the length of the connecting protrusion extending in the first direction is less than or equal to the length of the adjusting hole extending in the first direction, and the first direction is the length direction of the adjusting hole;
and/or a connecting bulge is arranged on the second connecting assembly, the outer surface of the connecting bulge is arc-shaped, and the second connecting assembly is abutted against the first connecting assembly through the connecting bulge;
the lowest point of the connecting protrusion in a first direction is higher than the lowest point of the first connecting component in the first direction, and the first direction is the length direction of the adjusting hole;
and/or a connecting bulge is arranged on the second connecting assembly, the outer surface of the connecting bulge is arc-shaped, and the second connecting assembly is abutted against the first connecting assembly through the connecting bulge;
the highest point of the connecting protrusion in the first direction is higher than the lowest point of the adjusting hole in the first direction, and the first direction is the length direction of the adjusting hole.
7. The 3D printer of claim 1,
the second connecting assembly comprises a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate are respectively connected with the printing platform body, and the first connecting plate and the second connecting plate are arranged at intervals;
the leveling assembly comprises a first leveling bolt and a second leveling bolt, the first connecting plate is connected with the first connecting assembly through the first leveling bolt, and the second connecting plate is connected with the first connecting assembly through the second leveling bolt;
the first leveling bolt is used for adjusting the relative position of the first connecting plate and the first connecting assembly, and the second leveling bolt is used for adjusting the relative position of the second connecting plate and the first connecting assembly.
8. The 3D printer of claim 7,
the leveling assembly further comprises a third leveling bolt and a fourth leveling bolt;
the first connecting plate is further connected with the first connecting assembly through the third leveling bolt, and the second connecting plate is further connected with the first connecting assembly through the fourth leveling bolt;
the third leveling bolt and the first leveling bolt are arranged at intervals, and the fourth leveling bolt and the second leveling bolt are arranged at intervals.
9. The 3D printer of claim 1,
the first connecting assembly comprises a middle connecting plate, a first side plate and a second side plate, the middle connecting plate is used for being connected with the lifting assembly, and the first side plate and the second side plate are respectively connected with two ends of the middle connecting plate;
the second connecting assembly is connected with the first side plate and the second side plate through the leveling bolt.
10. A leveling bolt is characterized in that a leveling bolt is arranged on a base,
including nut and screw rod, the nut with the screw rod is connected, the nut is relative one side of screw rod includes the arcwall face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221978612.4U CN218256811U (en) | 2022-07-28 | 2022-07-28 | 3D printer and leveling bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221978612.4U CN218256811U (en) | 2022-07-28 | 2022-07-28 | 3D printer and leveling bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218256811U true CN218256811U (en) | 2023-01-10 |
Family
ID=84764077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221978612.4U Active CN218256811U (en) | 2022-07-28 | 2022-07-28 | 3D printer and leveling bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218256811U (en) |
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2022
- 2022-07-28 CN CN202221978612.4U patent/CN218256811U/en active Active
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