CN214111488U - Automatic leveling device and 3D printer - Google Patents
Automatic leveling device and 3D printer Download PDFInfo
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- CN214111488U CN214111488U CN202022466343.0U CN202022466343U CN214111488U CN 214111488 U CN214111488 U CN 214111488U CN 202022466343 U CN202022466343 U CN 202022466343U CN 214111488 U CN214111488 U CN 214111488U
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Abstract
The utility model discloses an automatic levelling device and 3D printer, this automatic levelling device include a shower nozzle mounting panel, be provided with an elastic conducting strip on the shower nozzle mounting panel, a actuating mechanism and linear guide subassembly are installed to the rear end of shower nozzle mounting panel, actuating mechanism drives through a driving piece linear guide subassembly, be provided with on the linear guide subassembly with the corresponding contact conducting strip of elastic conducting strip, elastic conducting strip with compress tightly the contact through an adjusting part between the contact conducting strip, the shower nozzle subassembly set up in on the elastic conducting strip. The utility model discloses a actuating mechanism drive linear guide subassembly drives the contact conducting strip slides in the lump, thereby changes the contact conducting strip with elastic conducting strip's position of contact improves the contact conducting strip with the sensitivity of response after the elastic conducting strip contacts, and then improves the auto leveling precision of 3D printer.
Description
Technical Field
The utility model relates to a 3D printer technical field, concretely relates to automatic leveling device and 3D printer.
Background
The 3D printing, i.e. rapid prototyping, is an additive manufacturing technique, also known as additive manufacturing, which is a technique for manufacturing a three-dimensional entity by printing layers of adhesive material on the basis of a digital model file using special adhesive materials such as wax, powdered metal or plastic. Fused deposition rapid prototyping (FDM), also known as hot melt deposition (hot melt deposition) technology, is one of the major 3D printing technologies. The technology comprises the steps of heating and melting hot-melt material wires, extruding the melted material wires from a spray head, depositing the material wires on a printing working platform or a previous layer of solidified material, starting solidification and forming when the temperature is lower than the solidification temperature of the material wires, and finally printing the material wires into an entity.
For 3D printing processes with fused deposition rapid prototyping (FDM) characterized by layer-by-layer accumulation, the levelness of the printing platform directly determines the success or failure of the first layer of the model, and thus the failure and accuracy of the model printing. The leveling technology of the traditional 3D printer mainly realizes the adjustment of the levelness of the printing platform by manually adjusting screws under the printing platform, and the mode is not easy to operate and has insufficient precision. The automatic leveling device in the current market is mainly an electromagnetic leveling device, and has certain defects, such as poor anti-interference capability, high production and manufacturing cost, high assembly or maintenance difficulty and the like.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an automatic leveling device and 3D printer aims at improving 3D printer automatic leveling's precision.
An embodiment of the utility model provides an automatic leveling device, including a shower nozzle mounting panel, be provided with an elastic conducting strip on the shower nozzle mounting panel, a actuating mechanism and linear guide subassembly are installed to the rear end of shower nozzle mounting panel, actuating mechanism is through a driving piece drive linear guide subassembly, be provided with on the linear guide subassembly with the corresponding contact conducting strip of elastic conducting strip, elastic conducting strip with compress tightly the contact through an adjusting part between the contact conducting strip, the shower nozzle subassembly set up in on the elastic conducting strip.
Furthermore, the driving mechanism is a micro stepping motor comprising a screw rod, the linear guide rail assembly comprises a linear guide rail horizontally arranged at the rear end of the spray head mounting plate and a sliding part capable of sliding on the linear guide rail, and the contact conducting strip is arranged on the sliding part.
Furthermore, the driving piece comprises a screw rod connecting piece fixedly mounted on the screw rod and a sliding piece connecting piece fixedly mounted on the sliding piece, and the screw rod connecting piece and the sliding piece connecting piece are integrally bent.
Furthermore, the contact conducting strip comprises a vertical conducting strip and a horizontal conducting strip connected with the vertical conducting strip, the vertical conducting strip is fixedly arranged on the sliding piece, and the horizontal conducting strip is arranged below the elastic conducting strip.
Furthermore, the shower nozzle mounting panel includes the vertical mounting panel of a vertical setting, the elastic conducting strip level set up in vertical mounting panel bottom, the lower extreme of vertical mounting panel is provided with one and arranges in the locating part of elastic conducting strip below.
Furthermore, a horizontal extension part is arranged forwards at the upper end of the vertical mounting plate, the adjusting part is arranged on the horizontal extension part and comprises an adjusting bolt and a spring, the adjusting bolt penetrates through the horizontal extension part, a step part is arranged at the head of the adjusting bolt, one end of the spring abuts against the step part, and the other end of the spring abuts against the upper surface of the elastic conducting strip.
Further, the method also comprises the following steps: the printer comprises a printer base, a printing platform, a stepping motor system and a spray head assembly guide mechanism;
the printer base include the bed plate that the level set up and with the backup pad of the vertical setting that the bed plate is connected, print platform set up in on the bed plate, step motor system set up in the handing-over department of bed plate and backup pad and with shower nozzle subassembly guiding mechanism connects, shower nozzle subassembly guiding mechanism set up in the backup pad, the shower nozzle mounting panel is fixed set up in on the shower nozzle subassembly guiding mechanism, shower nozzle subassembly guiding mechanism passes through the shower nozzle mounting panel drives the shower nozzle subassembly reciprocates.
Furthermore, shower nozzle subassembly guiding mechanism includes 4 installation positions, 4 two liang of installation positions install in the four corners of backup pad constitutes two sets of installation positions of vertical direction, install the guide post respectively between two sets of installation positions, two the cover is equipped with one and can be in two on the guide post the deflector that the guide post reciprocated.
Furthermore, the stepping motor system is connected with the guide plate through a connecting column and drives the guide plate to move up and down through the connecting column.
The embodiment of the utility model provides a 3D printer is still provided, include as above arbitrary the automatic leveling device.
The embodiment of the utility model provides an automatic leveling device and 3D printer, automatic leveling device includes a shower nozzle mounting panel, be provided with an elastic conducting strip on the shower nozzle mounting panel, a actuating mechanism and linear guide subassembly are installed to the rear end of shower nozzle mounting panel, actuating mechanism is through a driving piece drive the linear guide subassembly, be provided with on the linear guide subassembly 14 with the corresponding contact conducting strip of elastic conducting strip, elastic conducting strip with compress tightly the contact through an adjusting part between the contact conducting strip, the shower nozzle subassembly set up in on the elastic conducting strip. The embodiment of the utility model provides a pass through the actuating mechanism drive linear guide subassembly drives the contact conducting strip slides in the lump, thereby changes the contact conducting strip with elastic conducting strip's position of contact improves the contact conducting strip with the sensitivity of induction after the elastic conducting strip contacts, and then improves the auto leveling precision of 3D printer.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
Fig. 1 is a schematic structural diagram of an automatic leveling device according to an embodiment of the present invention;
fig. 2 is an exploded schematic view of an automatic leveling device according to an embodiment of the present invention;
fig. 3 is a schematic view of a state of an automatic leveling device according to an embodiment of the present invention;
fig. 4 is another schematic state diagram of an automatic leveling device according to an embodiment of the present invention;
fig. 5 is an overall structure schematic diagram of the 3D printer provided by the embodiment of the utility model.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
Referring to fig. 1 and 2, an embodiment of the present invention provides an automatic leveling device, including a nozzle mounting plate 11, an elastic conductive sheet 111 is disposed on the nozzle mounting plate 11, a driving mechanism 13 and a linear guide rail assembly 14 are installed at a rear end of the nozzle mounting plate 111, the driving mechanism 13 drives the linear guide rail assembly 14 through a driving part 15, a contact conductive sheet 12 corresponding to the elastic conductive sheet 111 is disposed on the linear guide rail assembly 14, the elastic conductive sheet 111 and the contact conductive sheet 12 are pressed and contacted through an adjusting part 17, and the nozzle assembly 1 is disposed on the elastic conductive sheet.
In this embodiment, when the auto-leveling device is in the initial state (i.e., the leveling operation is not started), the elastic conductive sheet 111 and the contact conductive sheet 12 are contacted by the adjusting member 17, so that a closed circuit is formed. When the automatic leveling device starts to perform leveling work, the nozzle assembly 1 arranged on the elastic conducting strip 111 can perform touch action, in the process of the touch action, the nozzle assembly 1 can rebound under stress, so that the elastic conducting strip 111 is driven to displace and is separated from the contact conducting strip 12, namely, a closed circuit formed between the elastic conducting strip 111 and the contact conducting strip 12 is broken, a switching signal is generated, and the current height position data of the nozzle assembly 1 can be determined according to the switching signal. The nozzle assembly 1 is pressed at different positions, so that height position data of different positions can be obtained, and the obtained height position data are compared and compensated to achieve the effect of automatic leveling.
In other words, after the elastic conductive sheet 111 and the contact conductive sheet 12 are used for a long time, the sensing sensitivity of the contact conductive sheet 111 and the contact conductive sheet may be reduced, which may result in a reduction in the sensitivity of the generated switching signal. At this time, the driving mechanism 13 may drive the contact conductive sheet 12 on the micro linear guide rail assembly 14 to change the position, that is, the contact position between the contact conductive sheet 12 and the elastic conductive sheet 111 is changed, so as to achieve the effect of adjusting the sensitivity of generating the switching signal, so that the sensitivity of generating the switching signal can be ensured to be at a higher level within a longer time, and further improve the automatic leveling precision of the 3D printer.
In this embodiment, a pressure sensor or a displacement sensor is not needed, and only the elastic conducting strip 111 is deformed under stress to generate a displacement, so that an initial circuit (i.e., a closed circuit formed between the elastic conducting strip 111 and the contact conducting strip 12) generates a switching signal, and then the switching signal is used to acquire height position data of the nozzle assembly 1 at different point positions, thereby realizing the functions of data calculation, compensation and automatic leveling, so that the final leveling basis is more accurate and reliable, and the leveling precision is improved. Meanwhile, the sensitivity between the contact conductive sheet 12 and the elastic conductive sheet 111 can be automatically adjusted by driving the position of the contact conductive sheet 12 to move by the driving mechanism 13, so that the sensitivity calibration and modification are convenient for users. Further, in order to improve the sensitivity of the contact between the elastic conductive sheet 111 and the contact conductive sheet 12, the position of the showerhead assembly 1 on the elastic conductive sheet 111 and the position of the contact conductive sheet 12 are installed in a certain proportional relationship, so that the elastic conductive sheet 12 generates a small displacement to generate a switching signal, thereby improving the sensitivity of the generated switching signal. In one embodiment, when the nozzle assembly 1 is forced to rebound by 0.1mm, the elastic conductive sheet 111 is displaced by 0.2 mm. In a specific usage scenario, the elastic conductive sheet 111 is a sheet metal.
In one embodiment, the driving mechanism 13 is a micro stepping motor including a lead screw 131, the linear guide assembly 14 includes a linear guide 141 horizontally installed at the rear end of the head mounting plate 11 and a sliding member 142 slidable on the linear guide 141, and the contact conducting strip 12 is disposed on the sliding member 142.
In this embodiment, the micro stepping motor is used as the driving mechanism 13, and the linear guide 141 and the sliding member 142 form the linear guide assembly 14, when the driving member 15 is driven by the micro stepping motor 13 (for convenience of reading, the micro stepping motor is also denoted by 13), the driving member 15 drives the sliding member 142 to slide on the linear guide 141, so as to achieve the effect of moving the contact conducting strip.
In one embodiment, the driving member 15 includes a screw rod connecting piece 151 fixedly mounted on the screw rod 131 and a sliding piece connecting piece 152 fixedly mounted on the sliding piece 142, and the screw rod connecting piece 151 and the sliding piece connecting piece 152 are integrally bent.
In this embodiment, the screw rod connecting piece 151 of the wire-rail connecting piece 15 is fixedly connected to the screw rod 131 of the micro stepping motor 13, and the slider connecting piece 152 of the wire-rail connecting piece 15 is fixedly connected to the slider 142. When the micro stepping motor 13 works, the lead screw 131 of the micro stepping motor 13 can extend or retract to drive the sliding part 142 to slide back and forth along the micro linear guide rail 141 through the linear guide rail connecting piece 15, so that the effect of changing the contact position of the contact conducting strip 12 and the elastic conducting strip 111 is achieved.
In one embodiment, the contact conductive sheet 12 includes a vertical conductive sheet 121 and a horizontal conductive sheet 122 connected to the vertical conductive sheet 121, the vertical conductive sheet 121 is fixedly mounted on the sliding member 142, and the horizontal conductive sheet 122 is disposed below the elastic conductive sheet 111.
In this embodiment, the contact conducting strip 12 is mounted on the sliding member 142 through the vertical conducting strip 121, the lower end of the vertical conducting strip 121 is fixedly connected to one end of the horizontal conducting strip 122, and the other end of the horizontal conducting strip 122 faces the elastic conducting strip 111. In a specific application scenario, the vertical conductive plate 121 and the horizontal conductive plate 122 are integrally disposed.
Referring to fig. 3 and 4, in an embodiment, the upper surface of the horizontal conductive plate 122 is provided with a conductive plate contact 1221, and the conductive plate contact 1221 contacts the elastic conductive plate 111.
In this embodiment, the contact conductive sheet 12 is in contact with the elastic conductive sheet 111 through the conductive sheet contact 12221 disposed on the horizontal conductive sheet 122, so as to form a closed circuit. When the contact conducting strip 12 is driven by the sliding member 142 to slide back and forth along the direction of the micro linear guide 141, the conducting strip contact 1221 slides back and forth below the elastic conducting strip 111, and is always in contact with the lower surface of the elastic conducting strip 111 to form a closed circuit.
In one embodiment, the showerhead mounting plate 11 includes a vertically disposed vertical mounting plate 112, the elastic conductive sheet 111 is horizontally disposed at the bottom of the vertical mounting plate 112, and a limiting member 16 disposed below the elastic conductive sheet 111 is disposed at the lower end of the vertical mounting plate 112.
In this embodiment, the limiting member 16 is disposed at the lower end of the vertical mounting plate 112, and the limiting member 16 is located below the elastic conductive sheet 111. Meanwhile, the height of the stopper 16 is set to be consistent with the height of the contact conductive sheet 12, that is, the distance between the stopper 16 and the elastic conductive sheet 111 is equal to the distance between the contact conductive sheet 12 and the elastic conductive sheet 12, which has the advantages that: in the process of contacting the elastic conductive sheet 111 with the contact conductive sheet 12, when the elastic conductive sheet 111 contacts the stopper 16, it can be determined that the elastic conductive sheet 111 has contacted the contact conductive sheet 12. Further, the height of the position-limiting member 16 is set to be slightly lower than the height of the contact conductive sheet 12, for example, lower than 120.2mm of the contact conductive sheet, so that it is ensured that poor contact between the elastic conductive sheet 111 and the contact conductive sheet 12 does not occur. In a specific application scenario, the limiting member 16 is a limiting bolt, and the limiting bolt passes through the rear end of the vertical mounting plate 112 and is located below the elastic conductive sheet 111.
It should be noted that the height of the position-limiting member 16 is slightly lower than the height of the contact conductive sheet 12, which means that the contact between the elastic conductive sheet 111 and the contact conductive sheet 12 is within an effective range, that is, if the height of the position-limiting member 16 is too low, when the elastic conductive sheet 111 contacts the position-limiting member 16, the elastic conductive sheet 111 and the contact conductive sheet 12 are in close contact, thereby affecting the subsequent separation operation of the elastic conductive sheet 111 and the contact conductive sheet 12.
In an embodiment, a horizontal extension portion 1121 is disposed forward at the upper end of the vertical mounting plate 112, the adjusting member 17 is disposed on the horizontal extension portion 1121, the adjusting member 17 includes an adjusting bolt 171 and a spring 172 that penetrate through the horizontal extension portion 1121, a step portion is disposed at a head of the adjusting bolt 171, one end of the spring 172 abuts against the step portion, and the other end abuts against the upper surface of the elastic conductive sheet 111.
In this embodiment, the adjusting member 17 presses the elastic conductive sheet 111 downward from the horizontal extension portion 1121. The adjusting member 17 includes an adjusting bolt 171 and a spring 172, the adjusting bolt 171 passes through a horizontal extension portion 1121 provided at an upper end of the vertical mounting plate 112, and the spring 172 provided at the head of the adjusting bolt compresses the elastic conductive sheet 111. Specifically, the head of the adjusting bolt 171 is provided with a step-like portion (i.e., the step), one end of the spring 172 abuts against the step, the other end of the spring 172 abuts against the elastic conductive sheet 111, the adjusting bolt 171 is controlled to rotate towards the elastic conductive sheet 111, and the spring 172 is compressed while the adjusting bolt 171 rotates, so that the effect of pressing the elastic conductive sheet 111 downward is achieved.
As shown in fig. 5, in an embodiment, the automatic leveling device further includes: the printer comprises a printer base 2, a printing platform 3, a stepping motor system 4 and a spray head assembly guide mechanism 5;
In this embodiment, when the automatic leveling device starts to work (i.e. starts to perform the leveling operation), the stepping motor system 4 drives the nozzle assembly guiding mechanism 5 connected thereto, thereby driving the spray head component 1 to move towards the printing platform 3, when the spray head 19 at the lower end of the spray head component 1 is pressed on the printing platform 3, the spray head component 1 is subjected to reverse thrust, i.e., a vertically upward thrust, the showerhead assembly 1 pushes the elastic conductive sheet 111 upward by a certain displacement amount under the action of the thrust, the displacement amount enables the elastic conductive sheet 111 and the contact conductive sheet 12 to be separated and not to be contacted any more, thereby opening (i.e., breaking) the circuit between the resilient conductive sheet 111 and the contact conductive sheet 12, and generating a switching signal, the stepper motor system 4 then records the current height data of the spray head assembly 1 based on the switching signal. Similarly, the step motor system 4 is used for driving the spray head assembly 1 to perform touch pressing actions at different positions of the printing platform 3, so that the height data of each touch point position is recorded according to a switching signal generated by each touch pressing. Finally, through comparison of height data of different point positions, the stepping motor system 4 automatically compensates the height data of the spray head assembly 1 at different positions of the printing platform 3, so that the heights of the spray head assembly 1 relative to the whole plane of the printing platform 3 are equal.
In an embodiment, the nozzle assembly guiding mechanism 5 includes 4 mounting positions 51, two mounting positions 51 are mounted at four corners of the supporting plate 22 to form two sets of mounting positions in the vertical direction, the two sets of mounting positions are respectively provided with a guiding column 52, and a guiding plate 53 capable of moving up and down on the two guiding columns 52 is sleeved on the two guiding columns 52.
In this embodiment, two guide posts 52 are mounted on the support plate 22 through the 4 mounting positions 51, and a guide plate 53 capable of moving up and down on the two guide posts 52 is horizontally disposed between the two guide posts 52, that is, one end of the guide plate 53 is sleeved on one guide post 52, and the other end of the guide plate 53 is sleeved on the other guide post 52, thereby forming the nozzle assembly guide mechanism 5.
In a specific application scenario, the mounting position 51 includes a mounting block and a screw for fixing the mounting block to the support plate 22, and the mounting block is provided with a mounting hole for the guide post to pass through.
In an embodiment, an extension plate 531 is disposed in the middle of the guide plate 53, and the nozzle mounting plate 11 is fixedly mounted on the extension plate 53. In another embodiment, the nozzle mounting plate 11 is fixedly mounted to the guide plate 53 by a fixing plate 18. Further, a first insulating sheet 181 is disposed at the bottom of the vertical mounting plate 112, and a second insulating sheet 182 is disposed between the vertical mounting plate 112 and the fixing plate 18, so as to ensure that an electric field generated by a closed circuit formed between the spring plate 111 and the contact conducting strip 12 does not affect the leveling process.
In this embodiment, the extension plate is disposed outward of the guide plate, so as to facilitate installation of the head mounting plate 11, and to provide sufficient space for components (such as the elastic conductive sheet 111) on the head mounting plate 11, thereby preventing the components installed on the head mounting plate 11 from affecting the movement of the head assembly 1.
In one embodiment, the step motor system 4 is connected to the guiding plate 53 through a connecting column 41, and drives the guiding plate 53 to move up and down through the connecting column.
In this embodiment, the connection column 41 is used to connect the step motor system 4 and the nozzle assembly guide mechanism 5 together, so that the step motor system 4 can drive the guide plate 53 on the nozzle assembly guide mechanism 5 to move up and down, thereby achieving the effect of driving the nozzle assembly 1 to move up and down by the step motor system 4.
The embodiment of the utility model provides a 3D printer is still provided, include as above automatic leveling device.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the system disclosed by the embodiment, the description is relatively simple because the system corresponds to the method disclosed by the embodiment, and the relevant points can be referred to the method part for description. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. The utility model provides an automatic leveling device, its characterized in that, includes a shower nozzle mounting panel, be provided with an elastic conducting strip on the shower nozzle mounting panel, a actuating mechanism and linear guide subassembly are installed to the rear end of shower nozzle mounting panel, actuating mechanism drives through a driving piece linear guide subassembly, be provided with on the linear guide subassembly with the corresponding contact conducting strip of elastic conducting strip, elastic conducting strip with compress tightly the contact through an adjusting part between the contact conducting strip, the shower nozzle subassembly set up in on the elastic conducting strip.
2. The automatic leveling device as claimed in claim 1, wherein the driving mechanism is a micro stepping motor including a screw, the linear guide assembly includes a linear guide horizontally installed at a rear end of the nozzle mounting plate and a slider slidable on the linear guide, and the contact conducting strip is disposed on the slider.
3. The automatic leveling device according to claim 2, wherein the driving member comprises a screw rod connecting piece fixedly mounted on the screw rod and a sliding piece connecting piece fixedly mounted on the sliding piece, and the screw rod connecting piece and the sliding piece connecting piece are integrally arranged in a bending manner.
4. The automatic leveling device of claim 2, wherein the contact pads comprise vertical pads fixedly mounted to the slider and horizontal pads connected to the vertical pads, the horizontal pads being disposed below the resilient pads.
5. The automatic leveling device as claimed in claim 1, wherein the nozzle mounting plate comprises a vertically disposed vertical mounting plate, the elastic conductive sheet is horizontally disposed at the bottom of the vertical mounting plate, and a limiting member disposed below the elastic conductive sheet is disposed at the lower end of the vertical mounting plate.
6. The automatic leveling device as claimed in claim 5, wherein a horizontal extension part is forwardly arranged at the upper end of the vertical mounting plate, the adjusting member is arranged on the horizontal extension part, the adjusting member comprises an adjusting bolt and a spring, the adjusting bolt penetrates through the horizontal extension part, a step part is arranged at the head of the adjusting bolt, one end of the spring abuts against the step part, and the other end of the spring abuts against the upper surface of the elastic conducting strip.
7. The automatic leveling device according to claim 1, further comprising: the printer comprises a printer base, a printing platform, a stepping motor system and a spray head assembly guide mechanism;
the printer base include the bed plate that the level set up and with the backup pad of the vertical setting that the bed plate is connected, print platform set up in on the bed plate, step motor system set up in the handing-over department of bed plate and backup pad and with shower nozzle subassembly guiding mechanism connects, shower nozzle subassembly guiding mechanism set up in the backup pad, the shower nozzle mounting panel is fixed set up in on the shower nozzle subassembly guiding mechanism, shower nozzle subassembly guiding mechanism passes through the shower nozzle mounting panel drives the shower nozzle subassembly reciprocates.
8. The automatic leveling device as claimed in claim 7, wherein the nozzle assembly guiding mechanism comprises 4 mounting positions, the 4 mounting positions are mounted at four corners of the supporting plate in pairs to form two sets of mounting positions in the vertical direction, a guiding column is respectively mounted between the two sets of mounting positions, and a guiding plate capable of moving up and down on the two guiding columns is sleeved on the two guiding columns.
9. The automatic leveling device of claim 8, wherein the stepper motor system is connected to the guide plate through a connecting post and drives the guide plate up and down through the connecting post.
10. A 3D printer comprising the self-leveling device of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022466343.0U CN214111488U (en) | 2020-10-30 | 2020-10-30 | Automatic leveling device and 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022466343.0U CN214111488U (en) | 2020-10-30 | 2020-10-30 | Automatic leveling device and 3D printer |
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| Publication Number | Publication Date |
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| CN214111488U true CN214111488U (en) | 2021-09-03 |
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| CN202022466343.0U Active CN214111488U (en) | 2020-10-30 | 2020-10-30 | Automatic leveling device and 3D printer |
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| CN (1) | CN214111488U (en) |
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- 2020-10-30 CN CN202022466343.0U patent/CN214111488U/en active Active
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