CN210759277U - Rotatory constant temperature platform of 3D printer - Google Patents
Rotatory constant temperature platform of 3D printer Download PDFInfo
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- CN210759277U CN210759277U CN201921503951.5U CN201921503951U CN210759277U CN 210759277 U CN210759277 U CN 210759277U CN 201921503951 U CN201921503951 U CN 201921503951U CN 210759277 U CN210759277 U CN 210759277U
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Abstract
The utility model discloses a rotatory constant temperature platform of 3D printer, including step motor, cavity revolving stage, supporting fixed plate, rotation flange, the rotatory support of cavity, rotation axis, connecting seat, bearing gland, ball bearing, bearing support, snap ring, platform heating bottom plate, platform mounting plate, heating aluminum alloy base plate and constant temperature control switch. The utility model has the advantages that: carry out angle of adjustment to the different angular position of model according to platform rotation drive connected mode, avoid appearing being greater than the incomplete phenomenon that collapses that appears of local position printing at 90 jiaos, platform heating bottom plate realizes the heating through the inside high temperature lead wire of heating aluminium alloy base plate, the bottom layer and the bottom plate quickly separating of messenger's printing model, it is convenient to take out, maintain certain temperature, eliminate the perk phenomenon that the shrink pulling force that the difference in temperature reason leads to the material caused, platform heating bottom plate middle zone opens has the density hole, and the density hole is the bell mouth form, be convenient for get and make model and bottom plate drawing of patterns.
Description
Technical Field
The utility model relates to a constant temperature platform specifically is a rotatory constant temperature platform of 3D printer belongs to 3D and prints technical field.
Background
In general, 3D prints out a model of an object, which cannot print out the function of the object, and a printer prints out the sections layer by layer with a liquid, powder or sheet material by reading the information of the cross sections in a document, and then bonds the sections of each layer in various ways to manufacture a solid body. This technique is characterized by the fact that it allows the production of articles of almost any shape,
for the current printing model, the problem that the local position with a certain angle cannot be printed exists, and the rotation angle of the platform cannot be controlled, so that the operation requirement cannot be met; meanwhile, the bottom of the current printing model is easy to warp, and the model is difficult to take out and clean.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rotatory constant temperature platform of 3D printer just in order to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose: a rotary constant-temperature platform of a 3D printer comprises a stepping motor, a hollow rotary table, a supporting and fixing plate, a rotary flange, a hollow rotary support, a rotary shaft, a connecting seat, a bearing gland, a ball bearing, a bearing support, a clamping ring, a platform heating bottom plate, a platform mounting bottom plate, a heating aluminum alloy substrate and a constant-temperature control switch; the rotary constant temperature platform comprises a stepping motor, a hollow rotary table and a hollow rotary support, wherein the hollow rotary table is arranged on the rotary shaft of the stepping motor, the stepping motor is electrically connected with an external power supply, a supporting and fixing plate is connected with the front end of the hollow rotary table through a rotating flange, the hollow rotary support is connected below the stepping motor, the rotary shaft, a connecting seat and the bearing support form a driven rotary mechanism of the rotary constant temperature platform and are positioned at the other side of the driving rotary mechanism, one end of the rotary shaft is assembled with the connecting seat through a sleeve on a ball bearing, a bearing gland is arranged at the joint of the rotary shaft and the ball bearing, the other end of the rotary shaft penetrates through a through hole formed in the connecting seat and is assembled with the connecting seat, and clamping rings are sleeved at the joints of the front side and the back side, the utility model discloses a platform heating bottom plate, including platform heating bottom plate, bearing support, fixing plate, fixing bolt, platform mounting bottom plate, cavity rotation support and bearing support, the side passes through fastening bolt difference fixed connection on supporting fixed plate and connecting seat around the platform heating bottom plate, the platform mounting bottom plate is located this rotation constant temperature platform's bottom, just the upper surface of platform mounting bottom plate passes through fastening bolt fixed connection with cavity rotation support and bearing support and is in the same place, set up the inside heating aluminium alloy base plate that contains the high temperature lead wire on the platform heating bottom plate, heating aluminium alloy base plate is connection of electric lines through wire and constant temperature control switch, constant temperature control.
Preferably, in order to make the printing model can carry out the printing of the local position of different angles, step motor passes through the spacing cavity revolving stage that drives of opto-coupler and is to rotate the connection, just connecting seat 7 drives platform heating bottom plate through the cavity revolving stage and is to rotate the connection.
Preferably, in order to rapidly separate the bottom layer of the printing mold from the base plate, the stage heating base plate is heated by heating a high temperature lead inside the aluminum alloy substrate.
Preferably, in order to eliminate the tilting phenomenon caused by the shrinkage tension of the material due to the temperature difference, the constant temperature control switch is connected in series with the high temperature lead inside the heating aluminum alloy substrate to control the heating temperature of the high temperature lead to be 40-50 ℃.
Preferably, in order to facilitate the taking of the part to enable the mold and the bottom plate to be demolded, the middle area of the platform heating bottom plate is provided with density holes, and the density holes are in a conical hole shape.
The utility model has the advantages that: the rotary constant-temperature platform of the 3D printer is reasonable in design, the stepping motor drives the hollow rotary table to be in rotary connection through the optical coupler in a limiting mode, the connecting seat 7 drives the platform heating bottom plate to be in rotary connection through the hollow rotary table, angles are adjusted according to different angular positions of the model, the printing model can print local positions of different angles through control over the rotating angle of the platform heating bottom plate, the phenomenon that printing of the local positions of more than 90 degrees is incomplete and collapses is avoided, the platform heating bottom plate is heated through heating a high-temperature lead in the aluminum alloy substrate, the bottom layer of the printing model is quickly separated from the bottom plate through heating the platform heating bottom plate, the printing model is convenient to take out, the constant-temperature control switch controls the heating temperature of the high-temperature lead to be 40-50 ℃ through series connection with the high-temperature lead, the bottom plate is maintained at a certain temperature, the tilting phenomenon caused by the shrinkage tension of the material due to temperature difference is eliminated, the density holes are formed in the middle area of the platform heating bottom plate and are in a conical hole shape, and therefore a part can be conveniently taken out to enable the model and the bottom plate to be demoulded.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
FIG. 2 is a schematic view of the platform assembly structure of the present invention;
FIG. 3 is a left side view of the structure of the present invention;
FIG. 4 is a front view of the present invention;
FIG. 5 is a right side view of the structure of the present invention;
FIG. 6 is a schematic view of the work flow structure of the present invention;
fig. 7 is a schematic view of the assembly structure of the heating base plate of the present invention.
In the figure: 1. step motor, 2, cavity revolving stage, 3, supporting plate, 4, rotating flange, 5, cavity rotating support, 6, rotation axis, 7, connecting seat, 8, bearing gland, 9, ball bearing, 10, bearing support, 11, snap ring, 12, platform heating bottom plate, 13, platform mounting bottom plate, 14, heating aluminium alloy base plate and 15, constant temperature control switch.
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 only some embodiments of the present invention, not all embodiments. 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.
Referring to fig. 1 to 7, a rotary constant temperature platform of a 3D printer includes a stepping motor 1, a hollow rotary table 2, a support fixing plate 3, a rotary flange 4, a hollow rotary support 5, a rotary shaft 6, a connecting seat 7, a bearing gland 8, a ball bearing 9, a bearing support 10, a snap ring 11, a platform heating bottom plate 12, a platform mounting bottom plate 13, a heating aluminum alloy substrate 14 and a constant temperature control switch 15; step motor 1, cavity revolving stage 2 and cavity rotating support 5 constitute this rotatory constant temperature platform's initiative rotary mechanism, step motor 1's axis of rotation is installed on cavity revolving stage 2, just step motor 1 is electric connection with external power supply, step motor 1's model is 42BYG250A-0151, supporting and fixing plate 3 is connected through the front end of rotating flange 4 with cavity revolving stage 2, cavity rotating support 5 is connected in step motor 1's below, rotation axis 6, connecting seat 7 and bearing support 10 constitute this rotatory constant temperature platform's driven rotary mechanism, and lie in initiative rotary mechanism's opposite side, the one end of rotation axis 6 assembles together with connecting seat 7 on ball bearing 9 through the cover, just rotation axis 6 is equipped with bearing cover 8 with ball bearing 9's junction, the through-hole that sets up on connecting seat 7 is passed to the other end of rotation axis 6 assembles together with connecting seat 7, just the side junction cover has snap ring 11 around rotation axis 6 and the connecting seat 7, the side passes through fastening bolt difference fixed connection on supporting fixed plate 3 and connecting seat 7 around platform heating bottom plate 12, platform mounting bottom plate 13 is located this rotatory constant temperature platform's bottom, just platform mounting bottom plate 13's upper surface and cavity rotating support 5 and bearing support 10 pass through fastening bolt fixed connection together, set up the inside heating aluminium alloy base plate 14 that contains the high temperature lead wire on platform heating bottom plate 12, heating aluminium alloy base plate 14 is connection of electric lines through wire and constant temperature control switch 15, constant temperature control switch 15 is connection of electric lines through wire and external 24V switching power supply.
The stepping motor 1 drives the hollow rotary table 2 to be in rotary connection through optical coupling limitation, the connecting seat 7 drives the platform heating bottom plate 12 to be in rotary connection through the hollow rotary table 2, angles are adjusted according to different angular positions of the model, printing of local positions of different angles can be carried out through control of the rotation angle of the platform heating bottom plate 12, the phenomenon that printing of local positions of more than 90 degrees is incomplete and collapse is avoided, the platform heating bottom plate 12 is heated through heating a high-temperature lead inside the aluminum alloy substrate 14, the bottom layer of the printing model is quickly separated from the bottom plate through heating the platform heating bottom plate 12 and is convenient to take out, the constant-temperature control switch 15 controls the heating temperature of the high-temperature lead to be 40-50 ℃ through series connection with the high-temperature lead inside the heating aluminum alloy substrate 14, the bottom plate is ensured to be maintained at a certain temperature, the tilting phenomenon caused by the shrinkage tension of the material due to the temperature difference is eliminated, the density hole is formed in the middle area of the platform heating bottom plate 12 and is in a conical hole shape, and a part is convenient to take so that the model and the bottom plate can be demoulded.
The working principle is as follows: when the 3D printer is used for rotating the constant-temperature platform, one side of the platform heating bottom plate 12 is connected with a 42 stepping motor 1 through a hollow rotating platform 2 to be in a driving mode, the middle of the platform heating bottom plate is limited through a hollow rotating support 5, and a supporting and fixing plate 3 is fastened on the support through screws; the other side is connected with the rotating shaft 6 and the connecting seat fixing bottom plate through a bearing support 10 provided with a ball bearing 9, the platform heating bottom plate 12 is driven to rotate through driving rotation, and the limiting is realized through an optical coupler; when the platform heating bottom plate 12 is connected and heated to the stop temperature of 50 ℃ through the heating aluminum alloy substrate 14, the series constant temperature control switch 15 is disconnected; cooling to 40 deg.c to start heating to ensure certain temperature of the base plate; heating is started 1min before printing, the printing process is started when the temperature of the bottom plate rises to 40-50 ℃, the program control platform rotates according to the printing angles of different parts, and the model is taken out after printing is finished.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides a rotatory constant temperature platform of 3D printer which characterized in that: the device comprises a stepping motor (1), a hollow rotary table (2), a supporting and fixing plate (3), a rotary flange (4), a hollow rotary support (5), a rotary shaft (6), a connecting seat (7), a bearing gland (8), a ball bearing (9), a bearing support (10), a clamping ring (11), a platform heating bottom plate (12), a platform mounting bottom plate (13), a heating aluminum alloy substrate (14) and a constant-temperature control switch (15);
the stepping motor (1), the hollow rotating platform (2) and the hollow rotating support (5) form an active rotating mechanism of the rotary constant-temperature platform, a rotating shaft of the stepping motor (1) is installed on the hollow rotating platform (2), the stepping motor (1) is electrically connected with an external power supply, and the supporting and fixing plate (3) is connected with the front end of the hollow rotating platform (2) through a rotating flange (4);
the hollow rotary support (5) is connected below the stepping motor (1), the rotary shaft (6), the connecting seat (7) and the bearing support (10) form a driven rotary mechanism of the rotary constant-temperature platform and are positioned on the other side of the driving rotary mechanism, one end of the rotary shaft (6) is assembled with the connecting seat (7) by being sleeved on the ball bearing (9), a bearing gland (8) is arranged at the joint of the rotary shaft (6) and the ball bearing (9), the other end of the rotary shaft (6) penetrates through a through hole formed in the connecting seat (7) to be assembled with the connecting seat (7), and clamping rings (11) are sleeved at the joint of the rotary shaft (6) and the front side and the rear side of the connecting seat (7);
the utility model discloses a platform heating base plate, including platform heating bottom plate (12), platform mounting bottom plate (13), cavity rotating support (5) and bearing support (10), platform heating bottom plate (12) front and back side pass through fastening bolt difference fixed connection on supporting fixed plate (3) and connecting seat (7), platform mounting bottom plate (13) are located the bottom of this rotatory constant temperature platform, just the upper surface of platform mounting bottom plate (13) passes through fastening bolt fixed connection with cavity rotating support (5) and bearing support (10) and is in the same place, set up inside heating aluminium alloy base plate (14) that contain the high temperature lead wire on platform heating bottom plate (12), heating aluminium alloy base plate (14) are connection of electric lines through wire and constant temperature control switch (15), constant temperature control switch (15) are connection of.
2. The rotary thermostatic platform for 3D printers according to claim 1, wherein: step motor (1) is through spacing drive cavity revolving stage (2) of opto-coupler and be the rotation connection, just connecting seat (7) drive platform heating bottom plate (12) through cavity revolving stage (2) and are the rotation connection.
3. The rotary thermostatic platform for 3D printers according to claim 1, wherein: the platform heating bottom plate (12) realizes heating by heating a high-temperature lead in the aluminum alloy substrate (14).
4. The rotary thermostatic platform for 3D printers according to claim 1, wherein: the middle area of the platform heating bottom plate (12) is provided with a density hole which is in a conical hole shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921503951.5U CN210759277U (en) | 2019-09-11 | 2019-09-11 | Rotatory constant temperature platform of 3D printer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921503951.5U CN210759277U (en) | 2019-09-11 | 2019-09-11 | Rotatory constant temperature platform of 3D printer |
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| CN210759277U true CN210759277U (en) | 2020-06-16 |
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| CN201921503951.5U Active CN210759277U (en) | 2019-09-11 | 2019-09-11 | Rotatory constant temperature platform of 3D printer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112454895A (en) * | 2020-10-28 | 2021-03-09 | 西安工业大学 | 3D printer print platform |
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- 2019-09-11 CN CN201921503951.5U patent/CN210759277U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112454895A (en) * | 2020-10-28 | 2021-03-09 | 西安工业大学 | 3D printer print platform |
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