CN215095678U - Transport mechanism and three-dimensional printing equipment - Google Patents
Transport mechanism and three-dimensional printing equipment Download PDFInfo
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- CN215095678U CN215095678U CN202121596558.2U CN202121596558U CN215095678U CN 215095678 U CN215095678 U CN 215095678U CN 202121596558 U CN202121596558 U CN 202121596558U CN 215095678 U CN215095678 U CN 215095678U
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Abstract
The utility model provides a transport mechanism and three-dimensional printing apparatus, transport mechanism includes: a base; the two ends of the first roller are respectively connected with the base in a rolling manner; the second roller and the first roller are arranged at intervals, two ends of the second roller are respectively connected with the base, and the second roller can move and roll relative to the base; a conveyor belt through which the first roller and the second roller are connected; the adjusting piece is respectively connected with the base and the second roller; the adjusting piece is used for adjusting and fixing the position of the second roller relative to the base. According to the technical scheme, the position of the second roller relative to the base can be adjusted through the adjusting piece, the distance between the first roller and the second roller is adjusted, the tensioning degree of the conveyor belt is suitable, the conveyor belt can move synchronously with the first roller and the second roller, the model can move synchronously, and printing precision is improved.
Description
Technical Field
The utility model relates to a printing apparatus technical field, in particular to transport mechanism and three-dimensional printing apparatus.
Background
The 3D printing apparatus, also called three-dimensional printing apparatus, is a machine that uses a rapid prototyping technique, and constructs a three-dimensional entity by using a prototyping material in a layer-by-layer printing manner based on a digital model file. 3D printing devices have been widely used in the fields of industrial design, architecture, and aerospace.
Current three-dimensional printing devices typically place printed models on a conveyor belt, but in implementing embodiments of the present invention, the applicant has found that the prior art has the following problems: when the roller drives the conveying belt to move in the three-dimensional existing printing equipment, the friction force between the roller and the conveying belt is small, so that the effect that the roller drives the conveying belt to rotate is poor, a model on the conveying belt cannot move as required, and the printing precision is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a transport mechanism and three-dimensional printing equipment, it is relatively poor to have solved the cylinder and have driven conveyer belt pivoted effect, causes the model on the conveyer belt can not remove as required, and then leads to printing the lower problem of precision.
In order to achieve the above object, the embodiment of the utility model provides a transport mechanism is applied to three-dimensional printer, transport mechanism includes:
a base;
the two ends of the first roller are respectively connected with the base in a rolling manner;
the second roller and the first roller are arranged at intervals, two ends of the second roller are respectively connected with the base, and the second roller can move and roll relative to the base;
a conveyor belt through which the first roller and the second roller are connected;
the adjusting piece is connected with the base and the second roller respectively; the adjusting piece is used for adjusting and fixing the position of the second roller relative to the base.
Optionally, the base includes a first fixing plate and a second fixing plate, and the conveying mechanism further includes a first slider and a second slider; the adjusting piece comprises a first adjusting piece and a second adjusting piece;
a first sliding groove is formed in the first fixing plate;
the first sliding block is slidably arranged in the first sliding groove;
the first adjusting piece is respectively connected with the first fixing plate and the first sliding block and is used for adjusting and fixing the position of the first sliding block in the first sliding groove;
the second fixing plate and the first fixing plate are opposite and arranged at intervals, and a second sliding groove is formed in the second fixing plate;
the second sliding block is slidably arranged in the second sliding groove;
the second adjusting part is respectively connected with the second fixing plate and the second sliding block and is used for adjusting and fixing the position of the second sliding block in the second sliding groove;
two ends of the first roller are respectively connected with the first fixing plate and the second fixing plate in a rolling manner;
the second roller is respectively connected with the first sliding block and the second sliding block in a rolling manner.
Optionally, the conveying mechanism further includes a first protruding portion, the first protruding portion is located on one side of the first sliding groove and connected to the first fixing plate, and a first through hole is formed in the first protruding portion;
the first sliding block is provided with a first threaded hole;
the first adjusting piece penetrates through the first through hole and is in threaded connection with the first sliding block through the first threaded hole, and the first adjusting piece is used for adjusting and fixing the position of the first sliding block in the first sliding groove by adjusting the length of the first adjusting piece penetrating into the first threaded hole;
the conveying mechanism further comprises a second protruding part, the second protruding part is located on one side of the second sliding groove and connected with the second fixing plate, and a second through hole is formed in the second protruding part;
a second threaded hole is formed in the second sliding block;
the second adjusting piece penetrates through the second through hole and is in threaded connection with the second sliding block through the second threaded hole, and the second adjusting piece is used for adjusting and fixing the position of the second sliding block in the second sliding groove through adjusting the length of the second adjusting piece penetrating into the second threaded hole.
Optionally, the conveying mechanism further includes a first protruding portion, the first protruding portion is located on one side of the first sliding groove and connected to the first fixing plate, and a first through hole is formed in the first protruding portion;
the first adjusting piece comprises a first stud and a first knob, the first stud is connected with the first sliding block, and the first stud further penetrates through the first through hole and is in threaded connection with the first knob;
the conveying mechanism further comprises a second protruding part, the second protruding part is located on one side of the second sliding groove and connected with the second fixing plate, and a second through hole is formed in the second protruding part;
the second adjusting piece comprises a second stud and a second knob, the second stud is connected with the second sliding block, and the second stud further penetrates through the second through hole and is in threaded connection with the second knob.
Optionally, the second roller comprises a fixed shaft and a roller member rotatably connected with the fixed shaft, and the fixed shaft is slidably connected with the base;
the adjusting piece comprises a connecting piece and an adjusting sub-piece;
the connecting piece is connected with both ends of the fixed shaft,
the adjusting piece is connected with the base and the connecting piece; the adjusting piece is used for adjusting and fixing the position of the connecting piece relative to the base.
Optionally, the first sliding block comprises a first sub sliding block and a second sub sliding block which are stacked, the cross-sectional area of the second sub sliding block is larger than that of the first sub sliding block, the first sub sliding block is accommodated in the first sliding groove and can slide along the first sliding groove, and the second roller is in rolling connection with the second sub sliding block;
and/or the presence of a gas in the gas,
the second sliding block comprises a third sub sliding block and a fourth sub sliding block which are arranged in a stacked mode, the cross section area of the fourth sub sliding block is larger than that of the third sub sliding block, the third sub sliding block is contained in the second sliding groove and can slide along the second sliding groove, and the second roller is in rolling connection with the fourth sub sliding block.
Optionally, the second roller includes a fixed shaft and a roller member, the fixed shaft is inserted into the roller member, two ends of the fixed shaft are respectively inserted into the first slider and the second slider, an outer wall of the roller member is attached to the conveyor belt, and the roller member is driven by the conveyor belt to rotate relative to the fixed shaft.
Optionally, the conveying mechanism further comprises a printing platform, the first fixing plate, the second fixing plate and the conveyor belt form an accommodating cavity, the printing platform is located in the accommodating cavity, one end, close to the second roller, of the printing platform is rotatably connected with the first fixing plate and the second fixing plate respectively, and one end, close to the first roller, of the printing platform is detachably connected with the first fixing plate and the second fixing plate respectively.
Optionally, a first connecting portion and a second connecting portion are arranged at one end, close to the first roller, of the printing platform, a first accommodating groove and a third adjusting member are arranged in the first fixing plate, a second accommodating groove and a fourth adjusting member are arranged in the second fixing plate, the first connecting portion is arranged in the first accommodating groove, the third adjusting member is connected with the first connecting portion, the second connecting portion is arranged in the second accommodating groove, the fourth adjusting member is connected with the second connecting portion, an included angle between the printing platform and a first plane can be adjusted through the third adjusting member and the fourth adjusting member, and the first plane is a plane where the first fixing plate and the second fixing plate are located;
the third adjusting piece comprises a first adjusting screw rod, a third through hole is further formed in the first fixing plate, a third threaded hole is formed in the first connecting portion, and the first adjusting screw rod sequentially penetrates through the third through hole, is connected with the third threaded hole and is abutted to the bottom surface of the first accommodating groove;
the fourth adjusting piece comprises a second adjusting screw rod, a fourth through hole is further formed in the second fixing plate, a fourth threaded hole is formed in the second connecting portion, and the second adjusting screw rod sequentially penetrates through the fourth through hole, the fourth threaded hole and the second adjusting screw rod to abut against the bottom surface of the second accommodating groove;
the printing platform, the first connecting part and the second connecting part are of an integrally formed structure; the conveying mechanism further comprises a driving piece, a speed reducer and a synchronizing wheel, and the driving piece is connected with the first roller through the speed reducer and the synchronizing wheel.
The embodiment of the utility model provides a three-dimensional printing apparatus is still provided, including foretell transport mechanism.
One of the above technical solutions has the following advantages or beneficial effects:
in the embodiment of the utility model, transport mechanism includes: a base; the two ends of the first roller are respectively connected with the base in a rolling manner; the second roller and the first roller are arranged at intervals, two ends of the second roller are respectively connected with the base, and the second roller can move and roll relative to the base; the first roller and the second roller are connected through the conveyor belt; the adjusting piece is respectively connected with the base and the second roller; the adjusting piece is used for adjusting and fixing the position of the second roller relative to the base. The technical scheme of this application can adjust the distance between second cylinder and the first cylinder through the regulating part to the rate of tension of increase conveyer belt, with the frictional force between increase cylinder and the conveyer belt, the reinforcing cylinder drives the driven effect of conveyer belt, causes the model on the conveyer belt to remove as required, improves the removal precision of the model on the conveyer belt, thereby improves and prints the precision.
Drawings
Fig. 1 is an exploded view of a transfer mechanism according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a conveying mechanism according to an embodiment of the present invention;
fig. 3 is an enlarged schematic view of a structure of a region a in fig. 2 according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another conveying mechanism according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another conveying mechanism according to an embodiment of the present invention.
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. Without conflict, the embodiments and features of the embodiments described below may be combined with each other. On the basis of the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without any inventive work belong to the protection scope of the present invention.
As shown in fig. 1-5, fig. 1 is a structural exploded view of a conveying mechanism according to an embodiment of the present invention, as shown in fig. 1, an embodiment of the present invention provides a conveying mechanism for a three-dimensional printer, where the conveying mechanism includes:
a base (not numbered), which may include a first fixing plate 10 and a second fixing plate 20, the second fixing plate 20 and the first fixing plate 10 being opposite and spaced apart from each other;
the two ends of the first roller 30 are respectively connected with the first fixing plate 10 and the second fixing plate 20 of the base in a rolling way;
the second roller 40, the second roller 40 is set up with the first roller 30 at a distance, both ends of the second roller 40 connect with first dead plate 10 and second dead plate 20 of the base separately, the second roller 40 can move and roll relative to the base;
a conveyor belt 50, the first roller 30 and the second roller 40 being connected by the conveyor belt 50;
an adjusting member (not numbered) connected to the base and the second drum 40, respectively; the adjusting member is used for adjusting and fixing the position of the second roller 40 relative to the base.
The technical scheme of this application can adjust the distance between second cylinder 40 and the first cylinder 30 through the regulating part to increase conveyer belt 50's rate of tension, with the frictional force between increase cylinder and the conveyer belt 50, the reinforcing cylinder drives the driven effect of conveyer belt 50, causes the model on the conveyer belt 50 to remove as required, improves the removal precision of the model on the conveyer belt, thereby improves and prints the precision.
Optionally, the conveying mechanism further comprises a first slide 61, a second slide 62; the adjusting member comprises a first adjusting member 13 and a second adjusting member 23; wherein the content of the first and second substances,
a first sliding chute 11 is arranged on the first fixing plate 10;
the first sliding block 61 is slidably disposed in the first sliding chute 11;
the first adjusting part 13 is respectively connected with the first fixing plate 10 and the first sliding block 61, and the first adjusting part 13 is used for adjusting and fixing the position of the first sliding block 61 in the first sliding chute 11;
the second fixing plate 20 is opposite to the first fixing plate 10 and arranged at an interval, and a second sliding chute 21 is arranged on the second fixing plate 20;
the second slide block 62 is slidably disposed in the second slide groove 21;
the second adjusting part 23 is respectively connected with the second fixing plate 20 and the second sliding block 62, and the second adjusting part 23 is used for adjusting and fixing the position of the second sliding block 62 in the second sliding chute 21;
the second roller 40 is respectively connected to the first slider 61 and the second slider 62 in a rolling manner.
The working principle of the embodiment can be referred to as the following expression:
because the first sliding chute 11 is arranged on the first fixing plate 10, the first sliding block 61 is arranged in the first sliding chute 11, the second sliding chute 21 is arranged on the second fixing plate 20, the second sliding block 62 is arranged in the second sliding chute 21, the first adjusting part 13 adjusts the position of the first sliding block 61 in the first sliding chute 11, and the second adjusting part 23 adjusts the position of the second sliding block 62 in the second sliding chute 21, so as to adjust the position of the second roller 40 connected with the first sliding block 61 and the second sliding block 62, further adjust the distance between the second roller 40 and the first roller 30, thereby increasing the tension of the conveyor belt 50, so as to increase the friction between the second roller 40 and the conveyor belt, and increase the friction between the first roller 30 and the conveyor belt, and enhance the transmission effect of the second roller 40 and the first roller 30 to drive the conveyor belt 50, so that the model on the conveyor belt 50 can move as required, the printing precision is improved.
It should be noted that the first sliding groove 11 may be directly formed on the first fixing plate 10, and the second sliding groove 21 may be directly formed on the second fixing plate 20. Of course, the first fixing plate 10 may be detachably connected to a first connecting plate, the first sliding groove 11 may be opened on the first connecting plate, the second fixing plate 20 may be detachably connected to a second connecting plate, and the second sliding groove 21 may be opened on the second connecting plate, that is, the sliding groove is opened on an element connected to the fixing plate, and also opened on the fixing plate.
When first spout 11 was seted up on first connecting plate, and second spout 21 was seted up on the second connecting plate, can conveniently process first connecting plate and second connecting plate, simultaneously, can also improve the assembly efficiency of first fixed plate 10 and first connecting plate to and improve the assembly efficiency of second fixed plate 20 and second connecting plate.
The manufacturing materials used for the first fixing plate 10 and the second fixing plate 20 are not limited herein, and for example: the first fixing plate 10 and the second fixing plate 20 can be made of aluminum profiles, so that the whole precision and rigidity of the whole conveying mechanism can be guaranteed. Of course, the first fixing plate 10 and the second fixing plate 20 may also be made of sheet metal, and in addition, the first fixing plate 10 and the second fixing plate 20 may also be made of materials such as i-shaped steel.
It should be noted that a plurality of connecting rods may be disposed between the first fixing plate 10 and the second fixing plate 20, so as to enhance the connection strength and connection stability between the first fixing plate 10 and the second fixing plate 20.
As an optional implementation manner, through holes may be respectively disposed on the first fixing plate 10 and the second fixing plate 20, two ends of the first roller 30 may be respectively inserted into the through holes, and two ends of the first roller 30 are respectively disposed in a gap with the through holes, so as to realize rolling connection between two ends of the first roller 30 and the first fixing plate 10 and the second fixing plate 20.
As another alternative, the bearings 60 may be disposed on both the first and second fixing plates 10 and 20, and both ends of the first roller 30 may be connected to the bearings 60 on the first and second fixing plates 10 and 20, respectively, so as to achieve rolling connection between both ends of the first roller 30 and the first and second fixing plates 10 and 20.
As another alternative embodiment, one of the first fixing plate 10 and the second fixing plate 20 may be provided with a bearing 60, and the other may be provided with a through hole, and one end of the first roller 30 is connected to the bearing 60, and the other end of the first roller 30 is connected to the through hole, so that the rolling connection between the two ends of the first roller 30 and the first fixing plate 10 and the second fixing plate 20 is achieved.
It should be noted that the specific type of the bearing 60 is not limited herein, for example: the bearing 60 may be a diamond-type bearing.
The first roller 30 may be referred to as an active roller, the second roller 40 may be referred to as a passive roller, the first roller 30 may drive the second roller 40 to move through the conveyor belt 50, and the outer surface of the first roller 30 may be knurled, so as to increase the friction between the first roller 30 and the conveyor belt 50, thereby enhancing the driving effect of the first roller 30 on the second roller 40.
When the conveying mechanism is applied to the three-dimensional printing device, the model printed by the printing head of the three-dimensional printing device can be placed on the conveying belt 50 and moves along with the movement of the conveying belt 50, so that continuous accumulation of the model can be realized, when the length of the model exceeds a preset length (for example, the distance between the first roller 30 and the second roller 40), the part of the model exceeding the preset length can be automatically separated from the conveying belt 50, and the model separated from the conveying belt can be supported on other devices, so that the model printing length of the three-dimensional printing device breaks through the limit of the length of the conveying belt 50, and the number of model printing is not influenced by the area of the conveying belt 50, thereby realizing streamlined printing and improving the printing efficiency.
The first roller 30 and the second roller 40 may each include a fixed shaft 41 and a roller member 42 connected to the fixed shaft 41, and the fixed shaft 42 and the roller member 42 included in the first roller 30 may be integrally formed, i.e., the roller member 42 cannot rotate relative to the fixed shaft 41.
As an alternative embodiment, referring to fig. 1, the second roller 40 includes a fixed shaft 41 and a roller member 42, the fixed shaft 41 is inserted into the roller member 42, two ends of the fixed shaft 41 are respectively inserted into a first slider 61 and a second slider 62, an outer wall of the roller member 42 is attached to the conveyor belt 50, and the roller member 42 is driven by the conveyor belt 50 to rotate relative to the fixed shaft 41.
In this embodiment, the roller 42 can rotate relative to the fixed shaft 41 under the driving of the conveyor belt 50, and two ends of the fixed shaft 41 respectively penetrate through the first slider 61 and the second slider 62, so that when the distance between the first roller 30 and the second roller 40 is adjusted by adjusting the positions of the first slider 61 and the second slider 62, the rotation of the roller 42 relative to the fixed shaft 41 is not affected, that is, the conveyor belt 50 can normally drive the roller 42 to rotate relative to the fixed shaft.
In a possible embodiment, pulleys are disposed on the first sliding block 61 and the second sliding block 62, and the first sliding block 61 is slidably connected to the first sliding groove 11 through the pulleys, and the second sliding block 62 is slidably connected to the second sliding groove 21 through the pulleys.
In another possible embodiment, the first sliding block 61 includes a first sub-sliding block and a second sub-sliding block, which are stacked, the cross-sectional area of the second sub-sliding block is larger than that of the first sub-sliding block, the first sub-sliding block is accommodated in the first sliding slot 11, the first sub-sliding block can slide along the first sliding slot 11, the second sub-sliding block abuts against the first fixing plate 10, and the second roller 40 is connected to the second sub-sliding block in a rolling manner.
Wherein, the cross sectional area of the second sub-slider is larger than that of the first sub-slider, which can also be understood as: the second sub-sliding block and the first sub-sliding block are arranged in a step shape.
In this embodiment, the first sub-slider is accommodated in the first sliding groove 11, and the first sub-slider can slide along the first sliding groove 11, that is, the first sub-slider can also play a role in guiding while sliding along the first sliding groove 11, so that the sliding effect is enhanced, and the second sub-slider abuts against the first fixing plate 10, so that the first slider 61 can be limited.
Similarly, in another possible embodiment, referring to fig. 1, the second slider 62 includes a third sub slider 621 and a fourth sub slider 622 stacked together, a cross-sectional area of the fourth sub slider 622 is larger than a cross-sectional area of the third sub slider 621, the third sub slider 621 is accommodated in the second sliding slot 21, the third sub slider 621 can slide along the second sliding slot 21, the fourth sub slider 622 abuts against the second fixing plate 20, and the second roller 40 is connected to the fourth sub slider 622 in a rolling manner.
Wherein, the cross-sectional area of the fourth sub-slider 622 is larger than that of the third sub-slider 621 by: the fourth sub slider 622 and the third sub slider 621 are provided in a stepped shape.
In this embodiment, the third sub-slider 621 is accommodated in the second sliding groove 21, and the third sub-slider 621 can slide along the second sliding groove 21, that is, the third sub-slider 621 can also play a guiding role while sliding along the second sliding groove 21, so as to enhance the sliding effect, and the fourth sub-slider 622 abuts against the second fixing plate 20, so as to limit the second slider 62.
The two embodiments described above may be implemented individually or simultaneously, and are not particularly limited herein.
As an alternative embodiment, referring to fig. 1, the conveying mechanism further includes a first protrusion 12, the first protrusion 12 is located on one side of the first sliding chute 11 and connected to the first fixing plate 10, and the first protrusion 12 is provided with a first through hole;
the first slide block 61 is provided with a first threaded hole;
the first adjusting piece 13 penetrates through the first through hole and is in threaded connection with the first sliding block 61 through a first threaded hole, and the first adjusting piece 13 is used for adjusting and fixing the position of the first sliding block 61 in the first sliding groove 11 by adjusting the length of the first adjusting piece penetrating into the first threaded hole;
the conveying mechanism further comprises a second protruding part 22, the second protruding part 22 is located on one side of the second sliding groove 21 and connected with the second fixing plate 20, and a second through hole is formed in the second protruding part 22;
a second threaded hole is formed in the second sliding block 62;
the second adjusting piece 23 passes through the second through hole and is in threaded connection with the second sliding block 62 through a second threaded hole, and the second adjusting piece 23 is used for adjusting and fixing the position of the second sliding block 62 in the second sliding groove 21 by adjusting the length of the second adjusting piece penetrating into the second threaded hole.
The connection manner between the first protruding portion 12 and the first fixing plate 10 is not limited herein, for example, the connection manner between the first protruding portion 12 and the first fixing plate 10 may be welding, bonding, or screwing. Similarly, the connection manner between the second protruding portion 22 and the second fixing plate 20 is not limited herein, for example, the connection manner between the second protruding portion 2 and the second fixing plate 20 may be welding, bonding, or screwing.
Wherein, the first adjusting piece 13 and the second adjusting piece 23 can be both adjusting screws.
In this embodiment, the length of the first adjusting part 13 penetrating into the first threaded hole is adjusted to adjust and fix the position of the first sliding block 61 in the first sliding groove 11, and the length of the second adjusting part 23 penetrating into the second threaded hole is adjusted to adjust and fix the position of the second sliding block 62 in the second sliding groove 21, so that the adjusting mode is simplified, and the adjusting efficiency is improved.
Optionally, the first slider 61 is not provided with a first threaded hole, but the first adjusting part 13 includes a first stud and a first knob, the first stud is connected with the first slider 61, and the first stud further passes through the first through hole and is in threaded connection with the first knob; the second sliding block 62 is not provided with a second threaded hole, but the second adjusting part 23 comprises a second stud and a second knob, the second stud is connected with the second sliding block 62, and the second stud also passes through the second through hole and is in threaded connection with the second knob.
By rotating the first knob, the position of the first slider 61 can be adjusted; by turning the second knob, the position of the second slider 62 can be adjusted.
Referring to fig. 5, as an alternative embodiment, the second roller 40 includes a fixed shaft 41 and a roller member 42 rotatably connected to the fixed shaft 41, the fixed shaft 41 is slidably connected to the base;
the adjusting piece comprises a connecting piece 91 and an adjusting sub-piece 92;
the connection pieces 91 are connected to both ends of the fixed shaft 41 at the same time,
the adjusting piece 91 is connected with the base and the connecting piece 91; the adjustment member is used to adjust and fix the position of the connector 91 relative to the base.
The structure of the adjusting member for adjusting and fixing the position of the connecting member 91 relative to the base may be the same as the structure of the first adjusting member 13 for adjusting and fixing the position of the first sliding block 61 in the first sliding chute 11, and the present application is not limited thereto.
As an alternative embodiment, referring to fig. 1 to 3, the conveying mechanism further includes a printing platform 70, the first fixing plate 10, the second fixing plate 20 and the conveyor belt 50 form an accommodating cavity, the printing platform 70 is located in the accommodating cavity, one end of the printing platform 70 close to the second roller 40 is rotatably connected to the first fixing plate 10 and the second fixing plate 20, and one end of the printing platform 70 close to the first roller 30 is detachably connected to the first fixing plate 10 and the second fixing plate 20.
Wherein, the first surface of print platform 70 can be with an inner wall butt of conveyer belt 50, can be provided with hot plate 71 on the print platform 70, like this, hot plate 71 can heat the conveyer belt 50 with the first surface contact of print platform 70 to make when printing the model, can guarantee the viscidity between model and the conveyer belt 50.
Wherein, print platform 70's height can be a little higher than first fixed plate 10 and second fixed plate 20's height to make conveyer belt 50 and print platform 70's first surface butt back, can guarantee that conveyer belt 50 has the laminating of sufficient dynamics on print platform 70, thereby stability when having guaranteed conveyer belt 50 conveying model is better, and guaranteed that conveyer belt 50's heat can reach the temperature that sets up.
In this embodiment, by providing the printing platform 70 and making the printing platform 70 be located in the accommodating cavity formed by the first fixing plate 10, the second fixing plate 20 and the conveyor belt 50, the printing platform 70 can support the conveyor belt 50, so that the stability of the conveyor belt 50 when conveying the model is good.
It should be noted that, the rotation connection of the printing platform 70 to the first fixing plate 10 and the second fixing plate 20 near the end of the second roller 40 can be understood as follows: printing platform 70 is close to the second rolling one end and is connected with through-hole or the bearing on first fixed plate 10 to printing platform 70 is close to the second rolling one end and is connected with through-hole or the bearing on second fixed plate 20, like this, make through-hole or the bearing on first fixed plate 10, and, through-hole or the bearing of second fixed plate 20 can play limiting displacement to printing platform 70, and simultaneously, printing platform 70 can rotate for above-mentioned through-hole or bearing, thereby play the regulating action to printing platform 70's height.
Of course, when the printing platform 70 can rotate relative to the through hole or the bearing, since the end of the printing platform 70 close to the first roller 30 is detachably connected to the first fixing plate 10 and the second fixing plate 20, respectively, the connection relationship between the end of the printing platform 70 close to the first roller 30 and the first fixing plate 10 and the second fixing plate 20 can be released, and after being adjusted to the preset position, the end of the printing platform 70 close to the first roller 30 is connected to the first fixing plate 10 and the second fixing plate 20.
As an alternative embodiment, the printing platform 70 is provided with a first rib 51 and a second rib 52 on both sides, respectively, and the conveyor belt 50 is located between the first rib 51 and the second rib 52. Thus, when the conveyor belt 50 moves, the first rib 51 and the second rib 52 can limit the conveyor belt 50.
As an alternative embodiment, referring to fig. 1 and 3, a first connecting portion 72 and a second connecting portion 73 are disposed at an end of the printing platform 70 close to the first roller 30, a first accommodating groove and a third adjusting member are disposed in the first fixing plate 10, a second accommodating groove 24 and a fourth adjusting member 25 are disposed in the second fixing plate 20, the first connecting portion 72 is disposed in the first accommodating groove, the third adjusting member is connected to the first connecting portion 72, the second connecting portion 73 is disposed in the second accommodating groove 24, the fourth adjusting member 25 is connected to the second connecting portion 73, an included angle between the printing platform 70 and a first plane is adjustable through the third adjusting member and the fourth adjusting member 25, and the first plane is a plane where the first fixing plate 10 and the second fixing plate 20 are located.
In this embodiment, since one end of the printing platform 70 close to the second roller 40 is rotatably connected to the first fixing plate 10 and the second fixing plate 20, the end of the printing platform 70 close to the first roller 30 is provided with the first connecting portion 72 and the second connecting portion 73, the third adjusting member is connected to the first connecting portion 72, and the fourth adjusting member 25 is connected to the second connecting portion 73, so that the third adjusting member can drive the first connecting portion 72 to rotate, and the fourth adjusting member 25 can drive the second connecting portion 73 to rotate, that is, the included angle between the printing platform 70 and the first plane where the first fixing plate 10 and the second fixing plate 20 are located can be adjusted by the third adjusting member and the fourth adjusting member 25, and the height of the printing platform 70 is adjusted.
The above-mentioned adjustment of the angle between the printing platform 70 and the first plane in which the first fixing plate 10 and the second fixing plate 20 are located may also be understood as adjusting the height, flatness or levelness of the printing platform 70.
The specific structures of the third adjusting member and the fourth adjusting member 25 are not limited herein, for example: as an alternative embodiment, the third and fourth adjustment members 25 may be hydraulic jacks.
As another optional implementation manner, the third adjusting element includes a first adjusting screw, a third through hole is further disposed on the first fixing plate 10, a third threaded hole is disposed on the first connecting portion 72, and the first adjusting screw sequentially passes through the third through hole and the third threaded hole and abuts against the bottom surface of the first accommodating groove;
the fourth adjusting member 25 includes a second adjusting screw, a fourth through hole is further formed in the second fixing plate 20, a fourth threaded hole is formed in the second connecting portion 73, and the second adjusting screw sequentially penetrates through the fourth through hole and the fourth threaded hole and abuts against the bottom surface of the second accommodating groove.
In this embodiment, the screwing position of the first adjusting screw in the third threaded hole is adjusted, and the screwing position of the second adjusting screw in the fourth threaded hole is adjusted, so that the height of the printing platform 70 can be adjusted, the adjustment of the height of the printing platform 70 is more convenient and reliable, and the use cost is lower.
Among them, the first and second connection parts 72 and 73 may also be referred to as first and second bosses, respectively. And as an alternative embodiment, the first connection portion 72 and the second connection portion 73 may be welded to the printing platform 70, respectively, so that the assembly and the processing may be convenient.
As another alternative, the printing platform 70, the first connecting portion 72 and the second connecting portion 73 are of an integrally formed structure. Thus, the overall connection strength of the printing platform 70, the first connection portion 72 and the second connection portion 73 can be enhanced, and the service life can be prolonged.
As an alternative embodiment, referring to fig. 4, the transmission mechanism further includes a driving member 80, a speed reducer 81 and a synchronizing wheel 82, and the driving member 80 is connected to the first drum 30 through the speed reducer 81 and the synchronizing wheel 82.
The driving member 80 may be a driving motor or a stepping motor, and the type of the speed reducer 81 is not limited herein, for example: the reducer 81 may be a planetary reducer, and the number of the synchronizing wheels 82 is not limited herein, for example: a first synchronizing wheel and a second synchronizing wheel may be provided and may be driven by the belt 50 therebetween.
In the present embodiment, the driving member 80 is connected to the first drum 30 through the speed reducer 81 and the synchronizing wheel 82, so that the driving control precision of the driving member 80 on the first drum 30 can be more accurate.
Wherein the reducer 81 can reduce the speed of the driving element 80, and the synchronizing wheel 82 can adjust the transmission ratio. It should be noted that the transfer mechanism may further be provided with an opto-electronic switch 90 for controlling the power supply.
The following is a specific example to illustrate the working principle of the present embodiment:
it should be noted that the present transport mechanism may be fixed on the three-dimensional printing apparatus as an independent module, that is, the transport mechanism in the present embodiment may be used as an independent module alone, or may be applied to the three-dimensional printing apparatus and used in combination with other modules 11.
Step 1: the driven roller (i.e., the second roller 40) should be tightened before use to ensure that the belt 50 has sufficient tension to not slip, undulate, or sway during operation.
Step 2: when the three-dimensional printing device is started, the heating plate 71 starts to work, the printing platform 70 is heated, and then heat is conducted to the conveyor belt 50, so that the stickiness of the model during working is guaranteed.
And step 3: the stepper motor (i.e., drive 80) is commanded to rotate, then transmitted through a 4:1 planetary reducer (i.e., reducer 81) to the 5M15 synchronizer, and then transmitted through a 2:1 synchronizer to the 5M30 synchronizer, recently transmitting the rotational speed to the drive drum (i.e., first drum 30) at a 8:1 transfer ratio. This ensures that the belt 50 is accurately transferred and does not lose torque.
And 4, step 4: after the conveying mechanism works, a printing head of the three-dimensional printing equipment prints at an inclined angle of 45 degrees, the model is accumulated backward continuously by the inclined section of 45 degrees, the conveying belt 50 is also continuously pushed forward at this time, when the length of the model exceeds the conveying belt 50, the exceeding part is automatically separated from the platform, and the exceeding part can be supported on other devices, so that the length of the printing model breaks through the limitation of the length.
Of course, a plurality of models can be printed, the printed models are continuously sent forward, and automatically fall off when reaching the boundary of the conveyor belt 50, so that the number of the printed models is not influenced by the area of the printing platform 70, and the streamlined printing can be realized.
In other embodiments, the present application further provides a transport mechanism comprising:
a base;
the two ends of the first roller 30 are respectively connected with the base in a rolling way;
the second roller 40 is arranged at intervals with the first roller 30, two ends of the second roller 40 are respectively connected with the base, and the second roller 40 can move and roll relative to the base;
a conveyor belt 50, the first roller 30 and the second roller 40 being connected by the conveyor belt 50;
the adjusting piece is respectively connected with the base and the second roller 40; the adjusting member is used for adjusting and fixing the position of the second roller 40 relative to the base.
The base comprises a first fixing plate 10 and a second fixing plate 20, and the conveying mechanism further comprises a first sliding block 61 and a second sliding block 62; the adjusting member comprises a first adjusting member 13 and a second adjusting member 23;
a first sliding chute 11 is arranged on the first fixing plate 10;
the first sliding block 61 is slidably disposed in the first sliding chute 11;
the first adjusting part 13 is respectively connected with the first fixing plate 10 and the first sliding block 61, and the first adjusting part 13 is used for adjusting and fixing the position of the first sliding block 61 in the first sliding chute 11;
the second fixing plate 20 is opposite to the first fixing plate 10 and arranged at an interval, and a second sliding chute 21 is arranged on the second fixing plate 20;
the second slide block 62 is slidably disposed in the second slide groove 21;
the second adjusting part 23 is respectively connected with the second fixing plate 20 and the second sliding block 62, and the second adjusting part 23 is used for adjusting and fixing the position of the second sliding block 62 in the second sliding chute 21;
two ends of the first roller 30 are respectively connected with the first fixing plate 10 and the second fixing plate 20 in a rolling manner;
the second roller 40 is respectively connected to the first slider 61 and the second slider 62 in a rolling manner.
The conveying mechanism further comprises a first protruding part 12, the first protruding part 12 is located on one side of the first sliding groove 11 and connected with the first fixing plate 10, and a first through hole is formed in the first protruding part 12;
the first slide block 61 is provided with a first threaded hole;
the first adjusting piece 13 penetrates through the first through hole and is in threaded connection with the first sliding block 61 through a first threaded hole, and the first adjusting piece 13 is used for adjusting and fixing the position of the first sliding block 61 in the first sliding groove 11 by adjusting the length of the first adjusting piece penetrating into the first threaded hole;
the conveying mechanism further comprises a second protruding part 22, the second protruding part 22 is located on one side of the second sliding groove 21 and connected with the second fixing plate 20, and a second through hole is formed in the second protruding part 22;
a second threaded hole is formed in the second sliding block 62;
the second adjusting piece 23 penetrates through the second through hole and is in threaded connection with the second sliding block 62 through a second threaded hole, and the second adjusting piece 23 is used for adjusting and fixing the position of the second sliding block 62 in the second sliding groove 21 by adjusting the length of the second adjusting piece penetrating into the second threaded hole; or
The conveying mechanism further comprises a first protruding part 12, the first protruding part 12 is located on one side of the first sliding chute 11 and connected with the first fixing plate 10, and a first through hole is formed in the first protruding part 12;
the first adjusting part 13 comprises a first stud and a first knob, the first stud is connected with the first sliding block 61, and the first stud further penetrates through the first through hole and is in threaded connection with the first knob;
the conveying mechanism further comprises a second protruding part 22, the second protruding part 22 is located on one side of the second sliding groove 21 and connected with the second fixing plate 20, and a second through hole is formed in the second protruding part 22;
the second adjusting member 23 comprises a second stud and a second knob, the second stud is connected with the second slider 62, and the second stud further passes through the second through hole and is in threaded connection with the second knob.
The first sliding block 61 comprises a first sub sliding block and a second sub sliding block which are arranged in a stacked mode, the cross section area of the second sub sliding block is larger than that of the first sub sliding block, the first sub sliding block is contained in the first sliding groove 11 and can slide along the first sliding groove 11, and the second roller 40 is in rolling connection with the second sub sliding block;
and/or the presence of a gas in the gas,
the second slider 62 includes a third sub-slider 621 and a fourth sub-slider 622 stacked on each other, the cross-sectional area of the fourth sub-slider 622 is larger than that of the third sub-slider 621, the third sub-slider 621 is accommodated in the second sliding slot 21, the third sub-slider 621 can slide along the second sliding slot 21, and the second roller 40 is connected to the fourth sub-slider 622 in a rolling manner.
The second roller 40 includes a fixing shaft 41 and a roller 42, the fixing shaft 41 penetrates through the roller 42, two ends of the fixing shaft 41 penetrate through the first slider 61 and the second slider 62 respectively, the outer wall of the roller 42 is attached to the conveyor belt 50, and the roller 42 is driven by the conveyor belt 50 to rotate relative to the fixing shaft 41.
The conveying mechanism further comprises a printing platform 70, the first fixing plate 10, the second fixing plate 20 and the conveying belt 50 form an accommodating cavity, the printing platform 70 is located in the accommodating cavity, one end, close to the second roller 40, of the printing platform 70 is rotatably connected with the first fixing plate 10 and the second fixing plate 20 respectively, and one end, close to the first roller 30, of the printing platform 70 is detachably connected with the first fixing plate 10 and the second fixing plate 20 respectively.
A first connecting portion 72 and a second connecting portion 73 are arranged at one end, close to the first roller 30, of the printing platform 70, a first accommodating groove and a third adjusting member are arranged in the first fixing plate 10, a second accommodating groove 24 and a fourth adjusting member 25 are arranged in the second fixing plate 20, the first connecting portion 72 is arranged in the first accommodating groove, the third adjusting member is connected with the first connecting portion 72, the second connecting portion 73 is arranged in the second accommodating groove 24, the fourth adjusting member 25 is connected with the second connecting portion 73, an included angle between the printing platform 70 and a first plane can be adjusted through the third adjusting member and the fourth adjusting member 25, and the first plane is a plane where the first fixing plate 10 and the second fixing plate 20 are located; the third adjusting part comprises a first adjusting screw rod, a third through hole is further formed in the first fixing plate 10, a third threaded hole is formed in the first connecting part 72, and the first adjusting screw rod sequentially penetrates through the third through hole and the third threaded hole and abuts against the bottom surface of the first accommodating groove;
the fourth adjusting part 25 comprises a second adjusting screw, a fourth through hole is further formed in the second fixing plate 20, a fourth threaded hole is formed in the second connecting part 73, and the second adjusting screw sequentially penetrates through the fourth through hole and the fourth threaded hole and abuts against the bottom surface of the second accommodating groove; the printing platform 70, the first connecting part 72 and the second connecting part 73 are of an integrally formed structure; the transmission mechanism further comprises a driving member 80, a speed reducer 81 and a synchronizing wheel 82, wherein the driving member 80 is connected with the first roller 30 through the speed reducer 81 and the synchronizing wheel 82.
The embodiment of the utility model provides a three-dimensional printing apparatus is still provided, including foretell transport mechanism. Because the embodiment of the utility model provides a three-dimensional printing apparatus includes foretell transport mechanism, therefore has the same beneficial technological effect with above-mentioned transport mechanism, and transport mechanism's structure can refer to the corresponding expression in above-mentioned embodiment, specifically does not describe here any longer.
In addition, the three-dimensional printing apparatus in the present embodiment may also be referred to as a 3D printing apparatus.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A transport mechanism for a three-dimensional printer, the transport mechanism comprising:
a base;
the two ends of the first roller are respectively connected with the base in a rolling manner;
the second roller and the first roller are arranged at intervals, two ends of the second roller are respectively connected with the base, and the second roller can move and roll relative to the base;
a conveyor belt through which the first roller and the second roller are connected;
the adjusting piece is connected with the base and the second roller respectively; the adjusting piece is used for adjusting and fixing the position of the second roller relative to the base.
2. The transport mechanism of claim 1, wherein the base includes a first fixed plate and a second fixed plate, the transport mechanism further including a first slide, a second slide; the adjusting piece comprises a first adjusting piece and a second adjusting piece;
a first sliding groove is formed in the first fixing plate;
the first sliding block is slidably arranged in the first sliding groove;
the first adjusting part is respectively connected with the first fixing plate and the first sliding block, and is used for adjusting and fixing the position of the first sliding block in the first sliding chute;
the second fixing plate and the first fixing plate are opposite and arranged at intervals, and a second sliding groove is formed in the second fixing plate;
the second sliding block is slidably arranged in the second sliding groove;
the second adjusting part is respectively connected with the second fixing plate and the second sliding block and is used for adjusting and fixing the position of the second sliding block in the second sliding chute;
two ends of the first roller are respectively connected with the first fixing plate and the second fixing plate in a rolling manner;
the second roller is respectively connected with the first sliding block and the second sliding block in a rolling manner.
3. The conveying mechanism according to claim 2, further comprising a first protrusion located at one side of the first sliding slot and connected to the first fixing plate, wherein the first protrusion is provided with a first through hole;
the first sliding block is provided with a first threaded hole;
the first adjusting piece penetrates through the first through hole and is in threaded connection with the first sliding block through the first threaded hole, and the first adjusting piece is used for adjusting and fixing the position of the first sliding block in the first sliding groove by adjusting the length of the first adjusting piece penetrating into the first threaded hole;
the conveying mechanism further comprises a second protruding part, the second protruding part is located on one side of the second sliding groove and connected with the second fixing plate, and a second through hole is formed in the second protruding part;
a second threaded hole is formed in the second sliding block;
the second adjusting piece penetrates through the second through hole and is in threaded connection with the second sliding block through the second threaded hole, and the second adjusting piece is used for adjusting and fixing the position of the second sliding block in the second sliding groove through adjusting the length of the second adjusting piece penetrating into the second threaded hole.
4. The conveying mechanism according to claim 2, further comprising a first protrusion located at one side of the first sliding slot and connected to the first fixing plate, wherein the first protrusion is provided with a first through hole;
the first adjusting piece comprises a first stud and a first knob, the first stud is connected with the first sliding block, and the first stud further penetrates through the first through hole and is in threaded connection with the first knob;
the conveying mechanism further comprises a second protruding part, the second protruding part is located on one side of the second sliding groove and connected with the second fixing plate, and a second through hole is formed in the second protruding part;
the second adjusting piece comprises a second stud and a second knob, the second stud is connected with the second sliding block, and the second stud further penetrates through the second through hole and is in threaded connection with the second knob.
5. The transfer mechanism as in claim 1, wherein the second roller includes a stationary shaft and a roller member rotatably coupled to the stationary shaft, the stationary shaft being slidably coupled to the base;
the adjusting piece comprises a connecting piece and an adjusting sub-piece;
the connecting piece is connected with both ends of the fixed shaft,
the adjusting piece is connected with the base and the connecting piece; the adjusting piece is used for adjusting and fixing the position of the connecting piece relative to the base.
6. The conveying mechanism as claimed in claim 2, wherein the first sliding block includes a first sub sliding block and a second sub sliding block which are stacked, the cross-sectional area of the second sub sliding block is larger than that of the first sub sliding block, the first sub sliding block is accommodated in the first sliding groove and can slide along the first sliding groove, and the second roller is in rolling connection with the second sub sliding block;
and/or the presence of a gas in the gas,
the second sliding block comprises a third sub sliding block and a fourth sub sliding block which are arranged in a stacked mode, the cross section area of the fourth sub sliding block is larger than that of the third sub sliding block, the third sub sliding block is contained in the second sliding groove and can slide along the second sliding groove, and the second roller is in rolling connection with the fourth sub sliding block.
7. The conveying mechanism as claimed in claim 2, wherein the second roller includes a fixed shaft and a roller member, the fixed shaft is inserted into the roller member, two ends of the fixed shaft are respectively inserted into the first slider and the second slider, an outer wall of the roller member is attached to the conveying belt, and the roller member is driven by the conveying belt to rotate relative to the fixed shaft.
8. The conveying mechanism as claimed in claim 2, wherein the conveying mechanism further comprises a printing platform, the first fixing plate, the second fixing plate and the conveying belt form a containing cavity, the printing platform is located in the containing cavity, one end of the printing platform close to the second roller is rotatably connected with the first fixing plate and the second fixing plate respectively, and one end of the printing platform close to the first roller is detachably connected with the first fixing plate and the second fixing plate respectively.
9. The conveying mechanism according to claim 8, wherein a first connecting portion and a second connecting portion are arranged at one end of the printing platform close to the first roller, a first accommodating groove and a third adjusting member are arranged in the first fixing plate, a second accommodating groove and a fourth adjusting member are arranged in the second fixing plate, the first connecting portion is arranged in the first accommodating groove, the third adjusting member is connected with the first connecting portion, the second connecting portion is arranged in the second accommodating groove, the fourth adjusting member is connected with the second connecting portion, an included angle between the printing platform and a first plane can be adjusted through the third adjusting member and the fourth adjusting member, and the first plane is a plane where the first fixing plate and the second fixing plate are located;
the third adjusting piece comprises a first adjusting screw rod, a third through hole is further formed in the first fixing plate, a third threaded hole is formed in the first connecting portion, and the first adjusting screw rod sequentially penetrates through the third through hole, is connected with the third threaded hole and is abutted to the bottom surface of the first accommodating groove;
the fourth adjusting piece comprises a second adjusting screw rod, a fourth through hole is further formed in the second fixing plate, a fourth threaded hole is formed in the second connecting portion, and the second adjusting screw rod sequentially penetrates through the fourth through hole, the fourth threaded hole and the second adjusting screw rod to abut against the bottom surface of the second accommodating groove;
the printing platform, the first connecting part and the second connecting part are of an integrally formed structure; the conveying mechanism further comprises a driving piece, a speed reducer and a synchronizing wheel, and the driving piece is connected with the first roller through the speed reducer and the synchronizing wheel.
10. A three-dimensional printing apparatus, characterized by comprising the transport mechanism of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121596558.2U CN215095678U (en) | 2021-07-14 | 2021-07-14 | Transport mechanism and three-dimensional printing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121596558.2U CN215095678U (en) | 2021-07-14 | 2021-07-14 | Transport mechanism and three-dimensional printing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215095678U true CN215095678U (en) | 2021-12-10 |
Family
ID=79320655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121596558.2U Active CN215095678U (en) | 2021-07-14 | 2021-07-14 | Transport mechanism and three-dimensional printing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215095678U (en) |
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2021
- 2021-07-14 CN CN202121596558.2U patent/CN215095678U/en active Active
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