CN219276679U - Cover device and three-dimensional printer - Google Patents
Cover device and three-dimensional printer Download PDFInfo
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- CN219276679U CN219276679U CN202222132982.2U CN202222132982U CN219276679U CN 219276679 U CN219276679 U CN 219276679U CN 202222132982 U CN202222132982 U CN 202222132982U CN 219276679 U CN219276679 U CN 219276679U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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Abstract
The utility model discloses a cover body device and a three-dimensional printer, relates to the technical field of printing equipment, and mainly aims to facilitate the cover body taking and placing operation so as to improve the working efficiency and reduce the labor intensity of operators. The main technical scheme of the utility model is as follows: the cover body device is applied to a three-dimensional printer and comprises a bracket, a movement mechanism and a cover body; the motion mechanism comprises a driving part and a transmission assembly, the transmission assembly comprises a first synchronous wheel, a second synchronous wheel and a synchronous belt, the first synchronous wheel and the second synchronous wheel are arranged on the bracket and are in transmission connection through the synchronous belt, and the driving part is in driving connection with the first synchronous wheel; the cover body is connected with the synchronous belt, and the cover body is used for moving along with the movement of the synchronous belt.
Description
Technical Field
The utility model relates to the technical field of three-dimensional printing equipment, in particular to a cover body device and a three-dimensional printer.
Background
The working principle of the photo-curing three-dimensional printer is that laser with specific wavelength and intensity is focused on the surface of a photo-curing material, so that the photo-curing material is cured layer by layer, a three-dimensional solid model is formed, and ultraviolet radiation phenomenon can occur in the printing process, so that a cover body capable of blocking ultraviolet radiation is generally buckled on the printer, and operators are protected from radiation.
In some working conditions, such as taking and placing a mold or adding a photo-curing material, the cover is usually required to be taken down for operation, and the cover is reset for printing after the operation is finished. At present, the cover body is usually manually taken and put by an operator, for example, a three-dimensional printer is disclosed in a patent with a publication number of CN212446338U, and a shell of the three-dimensional printer comprises a shell bottom plate, a shell side plate and a transparent cover part from bottom to top, the cover part is assembled on the three-dimensional printer, the cover part needs to be manually operated, a three-dimensional printer is disclosed in a patent with a publication number of CN307267091S, and a transparent cover body is buckled on the printer, so that the cover body is taken and put, the operation is inconvenient, the working efficiency is lower, and the labor intensity of the operator is also increased.
Disclosure of Invention
In view of the above, the embodiment of the utility model provides a cover device and a three-dimensional printer, which mainly aims to facilitate the cover taking and placing operation, improve the working efficiency and reduce the labor intensity of operators.
In order to achieve the above purpose, the present utility model mainly provides the following technical solutions:
in one aspect, an embodiment of the present utility model provides a cover device, which is applied to a three-dimensional printer, including:
the device comprises a bracket, a movement mechanism and a cover body;
the motion mechanism comprises a driving part and a transmission assembly, the transmission assembly comprises a first synchronous wheel, a second synchronous wheel and a synchronous belt, the first synchronous wheel and the second synchronous wheel are arranged on the bracket and are in transmission connection through the synchronous belt, and the driving part is in driving connection with the first synchronous wheel;
the cover body is connected with the synchronous belt, and the cover body is used for moving along with the movement of the synchronous belt.
Further, the transmission assembly further comprises a guide portion, the guide portion is arranged on the support, the cover body is connected with the guide portion, and the guide portion is used for guiding movement of the cover body.
Further, the guide part comprises a guide rail and a sliding block, the guide rail is arranged on the bracket and extends along the transmission direction of the synchronous belt, and the sliding block is connected to the guide rail in a sliding way;
the cover body is connected with the synchronous belt through the sliding block.
Further, the transmission assembly further comprises a fixed plate, the fixed plate is connected with the sliding block, and the synchronous belt is pressed between the sliding block and the fixed plate;
the fixing plate is provided with a through hole or a clamping groove recessed in a direction away from the sliding block;
and at least the surface of the synchronous belt corresponding to the fixed plate is provided with a bulge, and the bulge is clamped in the through hole or the clamping groove.
Further, the cover has a first position and a second position;
the cover body device further comprises a first induction piece, a second induction piece and a third induction piece;
the first induction piece is arranged on the sliding block or the cover body and is used for moving along with the sliding block;
the second induction piece and the third induction piece are arranged on the bracket at intervals along the transmission direction of the synchronous belt; the driving part is respectively and electrically connected with the second sensing piece and the third sensing piece;
the second sensing piece or the third sensing piece can sense with the first sensing piece to stop the driving part, so that the cover body stays at the first position or the second position.
Further, the transmission assembly further comprises a tensioning device, wherein the tensioning device is arranged on the support and is in rotary connection with the second synchronous wheel, and the tensioning device is used for adjusting the position of the second synchronous wheel so as to adjust the tension of the synchronous belt.
Further, the tensioning device comprises a first fixed block, a second fixed block and an elastic piece; the second fixed block is movably arranged on the bracket along the direction far away from or near to the first synchronous wheel, and is connected with the second synchronous wheel; the first fixed block is arranged on the bracket; the elastic piece is compressed between the first fixed block and the second fixed block and is used for applying force away from the first synchronous wheel to the second fixed block;
the tensioning device further includes:
the adjusting rod passes through the first fixed block and is abutted against the second fixed block;
and/or the number of the groups of groups,
the second fixing block is detachably connected with the bracket through the fixing piece.
Further, at least one waist-shaped hole is formed in the support, and the waist-shaped hole extends along the transmission direction of the synchronous belt;
the tensioning device further comprises a connecting piece; one end of the connecting piece is connected with the second fixed block, and the other end of the connecting piece is movably inserted into the waist-shaped hole;
the connecting piece is also used for enabling the second fixing block to be fixed on the bracket.
Further, the bracket comprises a transverse frame and two vertical frames correspondingly connected with two ends of the transverse frame;
the number of the transmission assemblies is two, and the two transmission assemblies are correspondingly arranged on the two vertical frames;
two sides of the cover body are correspondingly connected with synchronous belts of the two transmission assemblies;
the driving part comprises a motor, a transmission part and a transmission shaft, the motor is arranged on the transverse frame, the transmission shaft is simultaneously connected with the two vertical frames in a rotating way, and the motor is connected with the transmission shaft through the transmission part;
one end of the transmission shaft is connected with a first synchronous wheel of one transmission assembly, and the other end of the transmission shaft is connected with a first synchronous wheel of the other transmission assembly.
On the other hand, the embodiment of the utility model also provides a three-dimensional printer which comprises the cover body device.
By means of the technical scheme, the utility model has at least the following beneficial effects:
according to the technical scheme provided by the embodiment of the utility model, the moving mechanism is arranged, the first synchronous wheel and the second synchronous wheel in the transmission assembly of the moving mechanism are in transmission connection through the synchronous belt, the driving part is in driving connection with the first synchronous wheel, and the cover body is connected with the synchronous belt, so that when the driving part is started, the first synchronous wheel can drive the synchronous belt to move, the synchronous belt can drive the cover body to move, further, the cover body can be automatically taken down or reset from the printer, manual operation by an operator is not needed, the operation is convenient, the working efficiency is improved, and the labor intensity of the operator is reduced. In addition, adopt belt drive mechanism to drive the cover body and move, not only simple structure, with low costs, use and maintain conveniently, still because the hold-in range has good flexibility and elasticity so that can cushion the external force that the cover body received to make the cover body operate steadily, convenient to use.
Drawings
Fig. 1 is a schematic structural diagram of a cover device according to an embodiment of the present utility model at a first view angle;
fig. 2 is a schematic structural diagram of a cover device according to an embodiment of the present utility model at a second view angle;
FIG. 3 is an enlarged schematic view of FIG. 2 at A;
FIG. 4 is an exploded view of a housing assembly according to an embodiment of the present utility model;
fig. 5 is a schematic structural view of a transmission assembly disposed on a bracket in a cover device according to an embodiment of the present utility model;
fig. 6 is an enlarged schematic view at B in fig. 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions in the preferred embodiments of the present utility model will be described in more detail with reference to the accompanying drawings in the preferred embodiments of the present utility model.
In the description of the present embodiment, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "lateral", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present embodiment and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of protection of the present embodiment.
As shown in fig. 1, 2 and 4, an embodiment of the present utility model provides a cover device applied to a three-dimensional printer, including a bracket 1, a movement mechanism 2 and a cover 3; the motion mechanism 2 comprises a driving part 21 and a transmission assembly, the transmission assembly comprises a first synchronous wheel 22, a second synchronous wheel 23 and a synchronous belt 24, the first synchronous wheel 22 and the second synchronous wheel 23 are arranged on the bracket 1 and are in transmission connection through the synchronous belt 24, and the driving part 21 is in driving connection with the first synchronous wheel 22; the cover 3 is connected with the synchronous belt 24, and the cover 3 is used for moving along with the movement of the synchronous belt 24.
It will be appreciated that the relative positions of the first synchronizing wheel 22 and the second synchronizing wheel 23 on the support 1 may be set according to the opening and closing form of the upper cover 3 of the printer, for example, referring to fig. 1, the opening and closing form of the upper cover 3 of the printer is that the cover 3 moves up and down to open, and the first synchronizing wheel 22 and the second synchronizing wheel 23 may be disposed on the support 1 at intervals along the vertical direction, so that the transmission direction of the synchronous belt 24 is the vertical direction, and the synchronous belt 24 drives the cover 3 to perform lifting motion along the vertical direction to open or close the printer.
According to the cover body device provided by the embodiment of the utility model, the moving mechanism 2 is arranged, the first synchronous wheel 22 and the second synchronous wheel 23 in the transmission component of the moving mechanism 2 are in transmission connection through the synchronous belt 24, the driving part 21 is in driving connection with the first synchronous wheel 22, and the cover body 3 is connected with the synchronous belt 24, so that when the driving part 21 is started, the first synchronous wheel 22 can drive the synchronous belt 24 to move, the synchronous belt 24 can drive the cover body 3 to move, further, the cover body 3 can be automatically taken down or reset from the printer, manual operation by an operator is not needed, the operation is convenient, the working efficiency is improved, and the labor intensity of the operator is reduced. In addition, the belt transmission mechanism is adopted to drive the cover body 3 to move, so that the structure is simple, the cost is low, the use and maintenance are convenient, and the cover body 3 can run stably due to the fact that the synchronous belt 24 has good flexibility and elasticity so as to buffer the external force suffered by the cover body 3, and the use is convenient.
In the embodiment of the utility model, the transmission assembly further comprises a guide part, the guide part is arranged on the bracket 1, the cover body 3 is connected with the guide part, and the guide part is used for guiding the movement of the cover body 3. In this embodiment, through setting up the setting of guide part for the cover body 3 can be under the direction effect of guide part more steady motion, avoids cover body 3 to take place abnormal conditions such as rock and cause damage to model etc..
The guide part may have various structural forms, as long as the guide part can provide a guiding function for the movement of the cover 3. In the embodiment of the present utility model, referring to fig. 1, 2 and 4, the guiding portion may include a guide rail 25 and a sliding block 26, where the guide rail 25 is disposed on the bracket 1 and extends along the transmission direction of the synchronous belt 24, and the sliding block 26 is slidably connected to the guide rail 25; the cover 3 is connected to the timing belt 24 via a slider 26.
In the above embodiment, the guide rail 25 may be a linear guide rail 25, the cover 3 may be connected with the slider 26, and the slider 26 is connected with the synchronous belt 24, so that when the synchronous belt 24 moves, the slider 26 may drive the cover 3 to move along the guide rail 25, thereby ensuring the running stability of the cover 3, and having a simple structure and reliable use.
In the embodiment of the present utility model, referring to fig. 5 and 6, the transmission assembly may further include a fixed plate 261, where the fixed plate 261 is provided with a mounting hole, and a side surface of the slider 26 is also provided with a corresponding mounting hole, and the fixed plate 261 may be connected with the side surface of the slider 26 through a fastener and the mounting hole, and compress the synchronous belt 24 between the fixed plate 261 and the slider 26, so as to achieve connection between the slider 26 and the synchronous belt 24. In order to enhance the connection strength between the slider 26 and the timing belt 24 and to facilitate the mounting and positioning of the fixed plate 261, the fixed plate 261 may be provided with a through hole 2611 or a groove recessed away from the slider 26, and the timing belt 24 may be provided with a protrusion (not shown) on at least a surface thereof corresponding to the fixed plate 261, the protrusion being engaged with the through hole 2611 or the groove. The shape of the through hole 2611 matches the shape of the card slot.
The protrusions on the timing belt 24 may extend along the width direction of the timing belt 24, and the number of the protrusions may be plural, and correspondingly, the number of the through holes 2611 or the clamping grooves on the fixed plate 261 is plural, and the plural protrusions are correspondingly clamped in the plural through holes 2611 or the clamping grooves; in addition, the plurality of protrusions may be distributed over the entire surface of the timing belt 24, on the one hand, it may be convenient to mount the timing belt 24 between the fixed plate 261 and the slider 26; on the other hand, the strength of the timing belt 24 can also be improved.
In the embodiment of the present utility model, referring to fig. 1 and 4, the cover 3 has a first position and a second position; the cover device can also comprise a first sensing piece 4, a second sensing piece 5 and a third sensing piece 6; the first sensing piece 4 is arranged on the sliding block 26 or the cover body 3 and is used for moving along with the sliding block 26; the second sensing piece 5 and the third sensing piece 6 are arranged on the bracket 1 at intervals along the transmission direction of the synchronous belt 24; the driving part 21 is electrically connected with the second sensing piece 5 and the third sensing piece 6 respectively; the second sensing element 5 or the third sensing element 6 can sense with the first sensing element 4 to stop the driving part 21, so that the cover 3 stays at the first position or the second position.
In the above embodiment, the first position may be an open position of the cover 3, and the second position may be a fastening position of the cover 3. The first sensing piece 4 can move along with the sliding block 26, and can sense with the second sensing piece 5 when the first sensing piece 4 moves to the second sensing piece 5, so that the second sensing piece 5 sends a control signal to the driving part 21, the driving part 21 stops running, and the cover body 3 stays at the opening position; when the first sensing piece 4 moves to the third sensing piece 6, the first sensing piece can sense with the third sensing piece 6, so that the third sensing piece 6 sends a control signal to the driving part 21, the driving part 21 stops running, the cover body 3 stays at the buckling position, and the opening state and the buckling state of the cover body 3 are further realized. When the cover 3 is required to move, the driving part 21 is only required to be started.
The first sensing element 4, the second sensing element 5 and the third sensing element 6 may have various structural forms, as long as the second sensing element 5 and the third sensing element 6 can respectively sense with the first sensing element 4 and send a control signal to the driving portion 21 so as to stop the driving portion 21. For example, the second sensing element 5 and the third sensing element 6 may be photoelectric switches, and the first sensing element 4 may be a photoelectric switch sensing piece; alternatively, the second sensing member 5 and the third sensing member 6 may each be a hall element, and the first sensing member 4 may be a magnetic member.
In the embodiment of the present utility model, the transmission assembly may further include a tensioning device, which is disposed on the bracket 1 and connected to the second synchronizing wheel 23, and the tensioning device is used for adjusting the position of the second synchronizing wheel 23 so as to adjust the tension of the synchronous belt 24. In this embodiment, the tension device adjusts the tension of the synchronous belt 24, so that the tension of the synchronous belt 24 is moderate, and the synchronous belt 24 is prevented from slipping or being wound with the synchronous wheel too tightly, thereby ensuring the stable operation of the cover body 3.
The tensioning device may have various structural forms, as long as the tensioning speed of the synchronous belt 24 can be adjusted. In the embodiment of the present utility model, referring to fig. 2, 3 and 4, the tensioning device includes a first fixing block 27, a second fixing block 231, an adjusting lever 28 and an elastic member 29; the second fixed block 231 is movably arranged on the bracket 1 along the direction of being far away from or near to the first synchronous wheel 22, and the second fixed block 231 is rotatably connected with the second synchronous wheel 23; the first fixed block 27 is arranged on the bracket 1, and the first fixed block 27 is provided with a mounting hole; the elastic member 29 is disposed to be compressed between the first and second fixed blocks 27 and 231, and the elastic member 29 is used to apply a force to the second fixed block 231 away from the first timing wheel 22 to keep the first and second timing wheels 22 and 23 capable of tightening the timing belt 24; the adjusting lever 28 movably passes through the mounting hole and abuts against the second fixing block to fix the positions of the second fixing block 231 and the second synchronizing wheel 23.
In the above embodiment, the adjusting rod 28 may be an adjusting bolt, and the mounting hole on the first fixing block 27 may be a threaded hole, and since the second fixing block 231 is movably disposed and connected with the first fixing block 27 through the elastic member 29, when the adjusting rod 28 is screwed in the forward direction, the adjusting rod 28 may drive the second fixing block 231 to drive the second synchronizing wheel 23 to move in a direction away from the first synchronizing wheel 22, so as to increase the tension of the synchronous belt 24; when the adjusting rod 28 is reversely screwed, the second fixing block 231 can drive the second synchronizing wheel 23 to move towards the direction close to the first synchronizing wheel 22, so that the tension progress of the synchronous belt 24 is reduced, after the adjusting rod 28 is screwed, the positions of the second fixing block 231 and the second synchronizing wheel 23 can be fixed, and further the tension degree of the synchronous belt 24 is adjusted. Of course, the adjusting rod 28 may also be a polished rod, which is in clearance fit with the mounting hole on the first fixing block 27, when the tension of the synchronous belt 24 needs to be adjusted, an external force may be applied to the adjusting rod 28, so that the adjusting rod 28 overcomes the friction force to drive the second synchronous wheel 23 to move, and after the adjusting rod moves, the adjusting rod is fixed in the mounting hole under the action of the friction force, thereby adjusting the tension of the synchronous belt 24. The specific structure of the adjusting rod 28 and the mounting hole is not limited in this application, and may be selected according to actual needs. It is understood that the adjusting lever 28 may be omitted, i.e. the adjusting lever 28 is not provided, and the tension of the timing belt 24 is adjusted by the elastic force of the elastic member 29.
Alternatively, referring to fig. 3, the tensioning device may include a first fixing block 27, a second fixing block 231, an elastic member 19, and a fixing member; the second fixed block 231 is movably arranged on the bracket 1 along the direction of being far away from or near to the first synchronous wheel 22, and the second fixed block 231 is rotatably connected with the second synchronous wheel 23; the first fixed block 27 is arranged on the bracket 1; the elastic member 29 is disposed to be compressed between the first and second fixed blocks 27 and 231, and the elastic member 29 is used to apply a force to the second fixed block 231 away from the first synchronous wheel 22; the second fixing block 231 adjusts the connection fastening degree with the bracket 1 through the fixing member so as to fix the positions of the second fixing block 231 and the second synchronizing wheel 23 or to slidingly connect the second fixing block 231 with the bracket 1.
In the above embodiment, since the second fixing block 231 is movably disposed and is connected with the first fixing block 27 through the elastic member 29, when the tension of the synchronous belt 24 needs to be adjusted, the second fixing block 231 can be moved in a direction away from or close to the first synchronous wheel 22, so that the second fixing block 231 drives the second synchronous wheel 23 to be away from or close to the first synchronous wheel 22, thereby increasing or decreasing the tension of the synchronous belt 24, and after the tension progress adjustment is completed, the second fixing block 231 can be connected to the bracket 1 through the fixing member to fix the position of the second fixing block 231, thereby realizing the tension adjustment of the synchronous belt 24. The fixing member may have various structural forms, so long as the moving second fixing block 231 can be fixed on the bracket 1, for example, the fixing member may be a combination of a screw and a nut.
Of course, the two embodiments described above may be combined with each other so as to improve the mounting stability of the second fixing block 231 and the second synchronizing wheel 23 on the bracket.
In the embodiment of the present utility model, referring to fig. 2, 3 and 4, at least one waist-shaped hole 11 is provided on the bracket 1, and the waist-shaped hole 11 is extended along the transmission direction of the synchronous belt 24; the tensioning device further comprises a connecting piece, one end of the connecting piece is connected with the second fixing block 231, and the other end of the connecting piece is movably inserted into the waist-shaped hole 11; that is, the second fixing block 231 can drive the second synchronizing wheel 23 to move along the length direction thereof in the waist-shaped hole 11 through the connecting piece, so as to realize the movable arrangement of the second fixing block 231 on the bracket 1, and the structure is simple and the use is reliable. Furthermore, the connection member may also be used to fix the second fixing block 231 to the bracket 1.
In the above embodiment, referring to fig. 2, 3 and 4, the connecting member may include a connecting plate 233 and a connecting post 234, one end of the connecting post 234 is connected to the second fixing block 231, and the other end passes through the waist-shaped hole 11 to be connected to the connecting plate 233, so that the second fixing block 231 can drive the synchronizing wheel body 232 to stably move. Specifically, the number of the waist-shaped holes 11 may be plural, and correspondingly, the number of the connection posts 234 may be plural, and the connection posts may be inserted into the plurality of the waist-shaped holes 11 and connected to the connection plate 233.
In the above embodiment, the connecting member may further fix the second fixing block 231 to the bracket 1 after the tension of the synchronous belt is adjusted, so that the positions of the second fixing block 231 and the second synchronizing wheel 23 are fixed. Specifically, the connecting post 234 may include a bolt and a nut that are matched with each other, one end of the bolt is connected to the connecting plate 233, the other end of the bolt passes through the second fixing block 231 and is in threaded connection with the nut, when the tension of the synchronous belt 24 is adjusted, the nut may be screwed, and the second fixing block 231 may be fixed on the bracket 1, and its position may be fixed.
It should be noted that, in order to improve the structural simplicity of the cover device, the connecting piece may replace the aforementioned fixing piece, that is, the fixing piece may be the connecting piece, so that no additional fixing piece is required, and the positions of the second fixing block 231 and the second synchronizing wheel 23 may be fixed through the connecting piece.
In the embodiment of the utility model, the bracket 1 comprises a transverse frame and two vertical frames connected with two ends of the transverse frame;
the number of the transmission components can be two, and the two transmission components are correspondingly arranged on the two vertical frames; the two sides of the cover body 3 are correspondingly connected with synchronous belts 24 of two transmission assemblies so as to further improve the stability of the movement of the cover body 3.
In the embodiment of the present utility model, referring to fig. 1, 2 and 4, the driving part 21 may include a motor 211, a transmission part 212 and a transmission shaft 213, the motor 211 is disposed on a transverse frame of the bracket 1, the transmission shaft 213 is simultaneously connected with the vertical frame in a rotating manner, and the motor 211 is connected with the transmission shaft 213 through the transmission part 212; one end of the transmission shaft 213 is connected to the first synchronizing wheel 22 of one transmission assembly, and the other end of the transmission shaft 213 is connected to the first synchronizing wheel 22 of the other transmission assembly.
In the above embodiment, the motor 211 transmits torque to the transmission part 212 through the transmission part 212, so that the transmission shaft 213 drives the first synchronous wheels 22 of the two transmission components to rotate, and the synchronous belts 24 of the two transmission components drive the cover 3 to move together, which is simple in structure and reliable in use. In addition, in this embodiment, one motor 211 is used to drive two transmission components to run, so that energy consumption is saved and cost is reduced. Specifically, the transmission portion 212 may be a belt transmission mechanism.
It should be noted that, the driving portion 21 may further include a controller, such as a control chip, electrically connected to the motor 211, and the second sensing member 5 and the third sensing member 6, respectively, where the second sensing member 5 and the third sensing member 6 may send control signals to the controller, so that the controller controls the motor 211 to stop operating.
The embodiment of the utility model also provides a three-dimensional printer which comprises the cover body device.
The three-dimensional printer provided by the embodiment of the utility model comprises a cover body device, wherein the device is provided with a transmission assembly, a first synchronous wheel 22 and a second synchronous wheel 23 in the transmission assembly are in transmission connection through a synchronous belt 24, a driving part 21 is in driving connection with the first synchronous wheel 22, and the cover body 3 is connected with the synchronous belt 24, so that when the driving part 21 is started, the first synchronous wheel 22 can drive the synchronous belt 24 to move, the synchronous belt 24 can drive the cover body 3 to move, and further, the cover body 3 can be automatically taken off or reset from the printer, manual operation by an operator is not needed, the operation is convenient, the working efficiency is improved, and the labor intensity of the operator is reduced. In addition, the belt transmission mechanism is adopted to drive the cover body 3 to move, so that the structure is simple, the cost is low, the use and maintenance are convenient, and the cover body 3 can run stably due to the fact that the synchronous belt 24 has good flexibility and elasticity so as to buffer the external force suffered by the cover body 3, and the use is convenient.
The embodiment of the utility model also provides a cover body device which is applied to the three-dimensional printer and comprises:
a bracket 1, a movement mechanism 2 and a cover body 3;
the motion mechanism 2 comprises a driving part 21 and a transmission assembly, the transmission assembly comprises a first synchronous wheel 22, a second synchronous wheel 23 and a synchronous belt 24, the first synchronous wheel 22 and the second synchronous wheel 23 are arranged on the bracket 1 and are in transmission connection through the synchronous belt 24, and the driving part 21 is in driving connection with the first synchronous wheel 22;
the cover 3 is connected with the synchronous belt 24, and the cover 3 is used for moving along with the movement of the synchronous belt 24.
The transmission assembly further comprises a guide part, the guide part is arranged on the support 1, the cover body 3 is connected with the guide part, and the guide part is used for guiding the movement of the cover body 3.
The guide part comprises a guide rail 25 and a slide block 26, wherein the guide rail 25 is arranged on the bracket 1 and extends along the transmission direction of the synchronous belt 24, and the slide block 26 is connected to the guide rail 25 in a sliding way;
the cover 3 is connected to the timing belt 24 via a slider 26.
The transmission assembly further comprises a fixed plate 261, the fixed plate 261 is connected with the sliding block 26, and the synchronous belt 24 is tightly pressed between the sliding block 26 and the fixed plate 261;
the fixed plate 261 is provided with a through hole 2611 or a clamping groove recessed in a direction away from the slider 26;
the synchronous belt 24 is provided with a protrusion on at least the surface corresponding to the fixed plate 261, and the protrusion is clamped in the through hole 2611 or the clamping groove.
Wherein the cover 3 has a first position and a second position;
the cover body 3 device also comprises a first sensing piece 4, a second sensing piece 5 and a third sensing piece 6;
the first sensing piece 4 is arranged on the sliding block 26 or the cover body 3 and is used for moving along with the sliding block 26;
the second sensing piece 5 and the third sensing piece 6 are arranged on the bracket 1 at intervals along the transmission direction of the synchronous belt 24; the driving part 21 is electrically connected with the second sensing piece 5 and the third sensing piece 6 respectively;
the second sensing element 5 or the third sensing element 6 can sense with the first sensing element 4 to stop the driving part 21, so that the cover 3 stays at the first position or the second position.
The transmission assembly further comprises a tensioning device, wherein the tensioning device is arranged on the bracket 1 and connected with the second synchronous wheel 23, and the tensioning device is used for adjusting the position of the second synchronous wheel 23 so as to adjust the tension of the synchronous belt 24.
Wherein the tensioning device comprises a first fixed block 27, a second fixed block 231 and an elastic member 29; the second fixed block 231 is movably arranged on the bracket 1 along the direction of being far away from or near to the first synchronous wheel 22, and the second fixed block 231 is connected with the second synchronous rotation 23 synchronous wheel; the first fixed block 27 is arranged on the bracket 1; the elastic member 29 is disposed to be compressed between the first and second fixed blocks 27 and 231, and the elastic member 29 is used to apply a force to the second fixed block 231 away from the first synchronous wheel 22;
the tensioning device further includes:
an adjusting lever 28, the adjusting lever 28 passing through the first fixing block 27 and abutting against the second fixing block 231;
and/or the number of the groups of groups,
the fixing piece, the second fixing block 231 is detachably connected with the bracket 1 through the fixing piece.
Wherein, the bracket 1 is provided with at least one waist-shaped hole 11, and the waist-shaped hole 11 is arranged along the transmission direction of the synchronous belt 24 in an extending way;
the tensioning device further comprises a connecting piece; one end of the connecting piece is connected with the second fixing block 231, and the other end of the connecting piece is movably inserted into the waist-shaped hole 11;
the connection piece is also used to fix the second fixing block 231 to the bracket 1.
Wherein, the bracket 1 comprises a transverse frame and two vertical frames correspondingly connected with two ends of the transverse frame; the number of the transmission components is two, and the two transmission components are correspondingly arranged on the two vertical frames;
two sides of the cover body 3 are correspondingly connected with synchronous belts 24 of two transmission assemblies;
the driving part 21 comprises a motor 211, a transmission part 212 and a transmission shaft 213, wherein the motor 211 is arranged on the transverse frame, the transmission shaft 213 is simultaneously connected with the two vertical frames in a rotating way, and the motor 211 is connected with the transmission shaft 213 through the transmission part 212;
one end of the transmission shaft 213 is connected to the first synchronizing wheel 22 of one transmission assembly, and the other end of the transmission shaft 213 is connected to the first synchronizing wheel 22 of the other transmission assembly.
The embodiment of the utility model also provides a three-dimensional printer which comprises the cover body device.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A cover apparatus for a three-dimensional printer, comprising:
the device comprises a bracket, a movement mechanism and a cover body;
the motion mechanism comprises a driving part and a transmission assembly, the transmission assembly comprises a first synchronous wheel, a second synchronous wheel and a synchronous belt, the first synchronous wheel and the second synchronous wheel are arranged on the bracket and are in transmission connection through the synchronous belt, and the driving part is in driving connection with the first synchronous wheel;
the cover body is connected with the synchronous belt, and the cover body is used for moving along with the movement of the synchronous belt.
2. The mask body device according to claim 1, wherein,
the transmission assembly further comprises a guide part, the guide part is arranged on the support, the cover body is connected with the guide part, and the guide part is used for guiding the movement of the cover body.
3. The enclosure apparatus of claim 2 wherein,
the guide part comprises a guide rail and a sliding block, the guide rail is arranged on the bracket and extends along the transmission direction of the synchronous belt, and the sliding block is connected to the guide rail in a sliding manner;
the cover body is connected with the synchronous belt through the sliding block.
4. The mask body device according to claim 3, wherein,
the transmission assembly further comprises a fixed plate, the fixed plate is connected with the sliding block, and the synchronous belt is tightly pressed between the sliding block and the fixed plate;
the fixing plate is provided with a through hole or a clamping groove recessed in a direction away from the sliding block;
and at least the surface of the synchronous belt corresponding to the fixed plate is provided with a bulge, and the bulge is clamped in the through hole or the clamping groove.
5. The mask body device according to claim 3, wherein,
the cover body is provided with a first position and a second position;
the cover body device further comprises a first induction piece, a second induction piece and a third induction piece;
the first induction piece is arranged on the sliding block or the cover body and is used for moving along with the sliding block;
the second induction piece and the third induction piece are arranged on the bracket at intervals along the transmission direction of the synchronous belt; the driving part is respectively and electrically connected with the second sensing piece and the third sensing piece;
the second sensing piece or the third sensing piece can sense with the first sensing piece to stop the driving part, so that the cover body stays at the first position or the second position.
6. The mask body device according to claim 1, wherein,
the transmission assembly further comprises a tensioning device, wherein the tensioning device is arranged on the support and connected with the second synchronous wheel, and the tensioning device is used for adjusting the position of the second synchronous wheel so as to adjust the tension of the synchronous belt.
7. The mask body device according to claim 6, wherein,
the tensioning device comprises a first fixed block, a second fixed block and an elastic piece; the second fixed block is movably arranged on the bracket along the direction far away from or near to the first synchronous wheel, and is connected with the second synchronous wheel; the first fixed block is arranged on the bracket; the elastic piece is compressed between the first fixed block and the second fixed block and is used for applying force away from the first synchronous wheel to the second fixed block;
the tensioning device further includes:
the adjusting rod passes through the first fixed block and is abutted against the second fixed block;
and/or the number of the groups of groups,
the second fixing block is detachably connected with the bracket through the fixing piece.
8. The mask body device according to claim 7, wherein,
the bracket is provided with at least one waist-shaped hole, and the waist-shaped hole is arranged in an extending way along the transmission direction of the synchronous belt;
the tensioning device further comprises a connecting piece; one end of the connecting piece is connected with the second fixed block, and the other end of the connecting piece is movably inserted into the waist-shaped hole;
the connecting piece is also used for enabling the second fixing block to be fixed on the bracket.
9. The mask body device according to claim 1, wherein,
the bracket comprises a transverse frame and two vertical frames correspondingly connected with two ends of the transverse frame;
the number of the transmission assemblies is two, and the two transmission assemblies are correspondingly arranged on the two vertical frames;
two sides of the cover body are correspondingly connected with synchronous belts of the two transmission assemblies;
the driving part comprises a motor, a transmission part and a transmission shaft, the motor is arranged on the transverse frame, the transmission shaft is simultaneously connected with the two vertical frames in a rotating way, and the motor is connected with the transmission shaft through the transmission part;
one end of the transmission shaft is connected with a first synchronous wheel of one transmission assembly, and the other end of the transmission shaft is connected with a first synchronous wheel of the other transmission assembly.
10. A three-dimensional printer, comprising:
the cover device of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222132982.2U CN219276679U (en) | 2022-08-12 | 2022-08-12 | Cover device and three-dimensional printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222132982.2U CN219276679U (en) | 2022-08-12 | 2022-08-12 | Cover device and three-dimensional printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219276679U true CN219276679U (en) | 2023-06-30 |
Family
ID=86931794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222132982.2U Active CN219276679U (en) | 2022-08-12 | 2022-08-12 | Cover device and three-dimensional printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219276679U (en) |
-
2022
- 2022-08-12 CN CN202222132982.2U patent/CN219276679U/en active Active
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