CN209426174U - A kind of High Precision Automatic leveling spray head and 3D printer - Google Patents
A kind of High Precision Automatic leveling spray head and 3D printer Download PDFInfo
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- CN209426174U CN209426174U CN201920011658.0U CN201920011658U CN209426174U CN 209426174 U CN209426174 U CN 209426174U CN 201920011658 U CN201920011658 U CN 201920011658U CN 209426174 U CN209426174 U CN 209426174U
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Abstract
The utility model discloses a kind of High Precision Automatic leveling spray head and 3D printers, are related to 3D printing field.Include: the cooling fin for being mounted on 3D printer, support plate is connected on cooling fin, heat block is additionally provided on support plate, cooling fin and heat block are set to the same side of support plate;One end of trunnion, trunnion is threaded through in cooling fin, and the other end of trunnion is threaded through in heat block, and trunnion is along the sliding setting of its axis direction in cooling fin and in heat block, and trunnion is connected on the inner wall of heat block, and trunnion is additionally provided with nozzle close to one end of heat block;Heat block is equipped with the limiting stand abutted for trunnion or nozzle, and limiting stand is set to side of the trunnion close to nozzle;Cooling fin is equipped with position sensor, and trunnion is equipped with the isolation for being connected to position sensor, and position sensor is set to side of the isolation far from nozzle.The possibility for reducing print platform deformation increases the leveling precision of print platform.
Description
Technical field
The utility model relates to 3D printing field, espespecially a kind of High Precision Automatic leveling spray head and 3D printer.
Background technique
3D printer is also known as three-dimensional printer, is a kind of cumulative manufacturing technology, i.e. a kind of machine of rapid prototyping technology, it
It is based on a digital model file, with adhesive materials such as special wax material, powdery metal or plastics, passes through printing one
Jointing material layer by layer manufactures three-dimensional object.
In the existing 3D printer with automatic flat-adjustable function, common levelling function component usually by spray head on the whole under
It is flexible or combination to be formed to trigger sensor with " heat block, nozzle simultaneously combine trunnion ", it realizes flexible to touch up and down
Sensor is sent out, then causes the cable of heating rod and temperature sensor during leveling to be easy to be involved, to increase spray head
To the resistance of print platform, print platform deformation quantity is increased;And due to spray head entirety or with " heat block, nozzle simultaneously combine larynx
Pipe ", which is formed, combines weight larger, and after the contact with print platform, the active force for the spray head that print platform is subject to is larger, after
And print platform deformation quantity is increased, reduce the leveling precision of print platform.
Summary of the invention
The purpose of the utility model is to provide a kind of High Precision Automatic leveling spray head and 3D printer, reduce nozzle with
In print platform contact process, the active force for the spray head that print platform is subject to then reduces the possibility of print platform deformation, increases
The leveling precision of print platform is added.
The technical scheme that the utility model is provided is as follows:
A kind of High Precision Automatic leveling spray head, comprising: the cooling fin for being mounted on 3D printer, the cooling fin
On be connected with support plate, heat block is additionally provided on the support plate, the cooling fin is set to the same of the support plate with the heat block
Side;Trunnion, one end of the trunnion are threaded through in the cooling fin, and the other end of the trunnion is threaded through the heat block
Interior, for the trunnion along the sliding setting of its axis direction in the cooling fin and in the heat block, the trunnion is connected to institute
It states on the inner wall of heat block, the trunnion is additionally provided with nozzle close to one end of the heat block;The heat block is equipped with and is used for
The limiting stand that trunnion or nozzle abut, the limiting stand are set to the trunnion close to the side of the nozzle;The cooling fin
It is equipped with position sensor, the trunnion is equipped with the isolation for being connected to the position sensor, the position sensing
Device is set to side of the isolation far from the nozzle.
In the technical program, after print platform is contacted with nozzle, only nozzle, trunnion and isolation is driven to rise, and nothing
Heat block need to be driven to slide, therefore, slide, avoid without the cable of the heating rod and temperature sensor that drive on heat block
The possibility that cable is involved, then reduces spray head to the resistance of print platform, reduces the possibility of print platform deformation;And
Without driving remaining component to slide, the assembly quality for needing to slide is smaller, reduces in nozzle and print platform contact process, beats
The active force for the spray head that print platform is subject to, then reduces the possibility of print platform deformation, increases the leveling essence of print platform
Degree.
Further, default spacing is equipped between the axis direction of the trunnion, the nozzle and the limiting stand.
In the technical program, by preset spacing setting, reduce melting printed material rise along nozzle after, connect
It contacts the possibility of limiting stand, that is, reduces nozzle and the stuck possibility on limiting stand of trunnion, increase the reliability of spray head.
Further, the limiting stand is threadedly connected in the heat block, the axis of the limiting stand and the trunnion
Axis is overlapped.
In the technical program, the setting for the limiting stand being connected through a screw thread realizes the detachable of heat block and limiting stand
Connection, while the adjusting of default spacing is also achieved, increase the scope of application of spray head.
Further, the nozzle be equipped with extension table, the extension table be surrounded on the limiting stand outside or it is described plus
The outside of heat block.
In the technical program, by the setting around setting extension table, after the printed material extension nozzle of melting rises, energy
Enough extension tables rise, reduce melting printed material move in the intermittence between nozzle and limiting stand, heat block can
Can, nozzle and the stuck possibility on limiting stand or heat block of trunnion are reduced, the reliability of spray head is increased.
Further, further includes: spring, one end of the spring are set to the trunnion, the other end setting of the spring
In the cooling fin, the axis of the spring is overlapped with the axis of the trunnion.
In the technical program, by the setting of spring, the constraint between trunnion and cooling fin is increased, reduces trunnion rolling
Dynamic possibility increases the stability of trunnion.
Further, the spring is set to the one end of the trunnion far from the nozzle.
In the technical program, the exchange of spray head is increased convenient for the installation and replacement of spring by the restriction of spring position
Property.
Further, the isolation is set between the spring and the trunnion.
In the technical program, by the setting of isolation position, being detachably connected for isolation and trunnion is realized, is convenient for
User replaces isolation, increases the reliability of spray head;And user also can choose corresponding isolation to different spray heads, increase
The scope of application of spray head is added.
Further, further includes: end socket, the end socket are removably connected to the cooling fin, and the spring passes through the envelope
Head is connected to the cooling fin.
In the technical program, by the setting of dismountable end socket, spring is replaced convenient for user, more convenient for user
The spring for changing different coefficient of elasticity increases the interchangeability and reliability of spray head.
Further, the end socket is threadedly connected to the cooling fin.
In the technical program, the setting for the end socket being connected through a screw thread, convenient for adjusting the spacing between end socket and trunnion, after
And the restriction of length is realized, then realize the adjusting of spring force.
Further, the trunnion close to one end of the end socket be equipped with abut slot, the end socket close to the trunnion one
End, which is additionally provided with, is connected to the abutting block for abutting slot.
In the technical program, by abutting slot and the setting for abutting block, the possibility of trunnion Yu end socket Relative sliding is reduced,
Increase the stability of trunnion.
Further, the trunnion includes the first connecting tube and the second connecting tube, and first connecting tube is close to the heat dissipation
Piece, second connecting tube are better than leading for first connecting tube close to the heat block, the thermal conductivity of second connecting tube
It is hot.
In the technical program, when the second connecting tube thermal conductivity when lower end is preferable, heat block will can quickly print material
Material melts and realizes the function of printing, and when the first connecting tube heating conduction when upper end is poor, heat block is reduced to first
The influence of printed material in connecting tube reduces the possibility that the printed material in the first connecting tube is melted, reduces first
Upper end of connecting tube is difficult to the possibility for continuing to convey printed material, increases the reliability that printed material conveys in trunnion.
Further, further include the fan being arranged on the support plate, be also provided with ventilation slot on the support plate.
In the technical program, by the setting of fan and ventilation slot, the printed material reduced in the trunnion of upper end is melted
The possibility of change increases reliability when printed material transmission.
Further, the connectivity slot passed through for isolation is offered on the cooling fin, the position sensor is set to
The outside of the cooling fin.
In the technical program, by opening up for connectivity slot, user is not necessarily to that the inside of cooling fin for position sensor is arranged in,
User loading position sensor is facilitated, the user experience of spray head is increased, also increases the practicability and interchangeability of spray head.
One of the purpose of this utility model, which also resides in, provides a kind of 3D printer, including printer body, the printer
High Precision Automatic leveling spray head is installed on ontology.
In the technical program, after print platform is contacted with nozzle, only nozzle, trunnion and isolation is driven to rise, and nothing
Heat block need to be driven to slide, therefore, slide, reduce without the cable of the heating rod and temperature sensor that drive on heat block
The possibility that cable is involved, then reduces spray head to the resistance of print platform, reduces the possibility of print platform deformation;And
Without driving remaining component to slide, the assembly quality for needing to slide is smaller, reduces in nozzle and print platform contact process, beats
The active force for the spray head that print platform is subject to, then reduces the possibility of print platform deformation, increases the leveling essence of print platform
Degree.
Compared with prior art, a kind of High Precision Automatic leveling spray head and 3D printer provided by the utility model have
Below the utility model has the advantages that
1, after print platform is contacted with nozzle, only nozzle, trunnion and isolation is driven to rise, without driving heat block
Therefore sliding slides without the cable of the heating rod and temperature sensor that drive on heat block, avoids cable and involved
Possibility, then reduce spray head to the resistance of print platform, reduce the possibility of print platform deformation.
2, after print platform is contacted with nozzle, without driving remaining component to slide, the assembly quality for needing to slide is smaller, subtracts
In small nozzle and print platform contact process, the active force for the spray head that print platform is subject to then reduces print platform shape
The possibility of change increases the leveling precision of print platform.
3, by preset spacing setting, reduce melting printed material rise along nozzle after, touch limiting stand
Possibility, that is, reduce nozzle and the stuck possibility on limiting stand of trunnion, increase the reliability of spray head.
It 4,, can be in extension table after the printed material extension nozzle of melting rises by the setting around setting extension table
It rises, the printed material for reducing melting moves to possibility in the intermittence between nozzle and limiting stand, heat block, reduces spray
Mouth and the stuck possibility on limiting stand or heat block of trunnion, increase the reliability of spray head.
5, by the setting of isolation position, being detachably connected for isolation and trunnion is realized, replaces touching convenient for user
Piece is sent out, the reliability of spray head is increased;And user also can choose corresponding isolation to different spray heads, increase spray head
The scope of application.
6, when the second connecting tube thermal conductivity when lower end is preferable, printed material quickly can be melted and be realized by heat block
The function of printing, and when the first connecting tube heating conduction when upper end is poor, heat block is reduced to beating in the first connecting tube
The influence for printing material, reduces the possibility that the printed material in the first connecting tube is melted, and reduces the first upper end of connecting tube hardly possible
To continue to convey the possibility of printed material, the reliability that printed material conveys in trunnion is increased.
Detailed description of the invention
Below by clearly understandable mode, preferred embodiment is described with reference to the drawings, to a kind of High Precision Automatic leveling
It is further described with above-mentioned characteristic, technical characteristic, advantage and its implementation of spray head and 3D printer.
Fig. 1 is a kind of structural schematic diagram of High Precision Automatic leveling spray head of the utility model;
Fig. 2 is a kind of positive structure schematic of High Precision Automatic leveling spray head of the utility model;
Fig. 3 is the sectional view along A-A of Fig. 2;
Fig. 4 is enlarged drawing at the B of Fig. 3.
Drawing reference numeral explanation: 1. cooling fins, 101. first slip holes, 102. connectivity slots, 2. crosshead shoes, 3. support plates, 31.
Ventilation slot, 4. heat blocks, 41. second slip holes, 42. heating rods, 43. temperature sensors, 44. insulation boards, 5. trunnions, 51. support
Access slot, 52. first connecting tubes, 53. second connecting tubes, 6. nozzles, 61. extension tables, 7. position sensors, 8. isolations, 9. envelopes
Head, 91. abut block, 10. springs, 11. fans, 12. limiting stands.
Specific embodiment
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, attached drawing will be compareed below
Illustrate specific embodiment of the present utility model.It should be evident that the accompanying drawings in the following description is only the one of the utility model
A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings, and obtains other embodiments.
To make simplified form, part relevant to utility model is only schematically shown in each figure, their not generations
Its practical structures as product of table.In addition, there is identical structure or function in some figures so that simplified form is easy to understand
Component, only symbolically depict one of those, or only marked one of those.Herein, "one" not only table
Show " only this ", can also indicate the situation of " more than one ".
According to a kind of embodiment provided by the utility model, as shown in Figure 1 to Figure 3, a kind of High Precision Automatic leveling spray
Head, including the cooling fin 1 for being mounted on 3D printer, cooling fin 1 is multilayer chip, and cooling fin 1 can be detachably connected
In 3D printer, specifically, cooling fin 1 can be bolted on 3D printer, more specifically, cooling fin 1 can connect
It connects on the crosshead shoe 2 on 3D printer;It is connected with support plate 3 on cooling fin 1, heat block 4, cooling fin 1 are additionally provided on support plate 3
It is set to the same side of support plate 3 with heat block 4, that is, passes through the setting of support plate 3, cooling fin 1 can be separated with heat block 4 and be set
It sets, it is preferable that support plate 3 is chosen for the preferable material of heat-proof quality;Specifically, it is also set on heat block 4 and heats the heat block 4
Heating rod 42, and the temperature sensor 43 being arranged on heat block 4;Preferably, the outside of heat block 4 is additionally provided with insulation board
44。
It further include trunnion 5, one end of trunnion 5 is threaded through in cooling fin 1, and the other end of trunnion 5 is threaded through in heat block 4,
Trunnion 5 in cooling fin 1 and in heat block 4, i.e., offers sliding for trunnion 5 along the sliding setting of its axis direction in cooling fin 1
The first slip hole 101 moved, heat block 4 is interior to be equipped with the second slip hole 41 slid for trunnion 5, is applied in cooling fin 1 and adds
Trunnion 5 in heat block 4 can slide along its axis direction, and in the present embodiment, trunnion 5 can slide up and down.
Trunnion 5 can be connected on the inner wall of heat block 4, and trunnion 5 is additionally provided with nozzle 6 close to one end of heat block 4, because
This, printed material can be heated block 4 and heat and melt behind the position for reaching heat block 4, and spray from nozzle 6, then real
The print procedure of existing printed material;Specifically, trunnion 5 and nozzle 6 can realize connection, and heat block 4 and larynx by interference fit
Pipe 5 can be realized by clearance fit and be abutted.
Heat block 4 is equipped with the limiting stand 12 abutted for trunnion 5 or nozzle 6, and limiting stand 12 is set to trunnion 5 close to spray
The lower end that trunnion 5 is arranged in the side of mouth 6, i.e. limiting stand 12, under gravity, nozzle 6 or trunnion 5 can be connected to limit
On the platform 12 of position, the restriction of 5 position of nozzle 6 and trunnion is then realized, trunnion 5 is reduced and falls disengaging heat block 4 and cooling fin 1
Possibility;Specifically, limiting stand 12 can be realized with trunnion 5 and/or 6 clearance fit of nozzle and be connected.
Cooling fin 1 is equipped with position sensor 7, and trunnion 5 is equipped with the isolation 8 for being connected to position sensor 7, position
It sets sensor 7 and is set to side of the isolation 8 far from nozzle 6, is i.e. trunnion 5 can be connected to position during upward sliding
On sensor 7.
During leveling, a predeterminated position is chosen first on print platform, and the printing for controlling 3D printer is flat
Platform rises, and after rising one end distance, print platform is contacted with nozzle 6, and drives nozzle 6, trunnion 5 and isolation 8
Rise, and after rising one end distance, isolation 8 can be connected on position sensor 7, and therefore, position sensor 7 can
Position signal is sent to leveling system (prior art, the application repeat no more), it is flat that printing can be calculated in leveling system
Platform predeterminated position is at a distance from 6 vertical direction of nozzle.
The predeterminated position in two printing planes is chosen again, and on the no longer same straight line of three predeterminated positions, and to upper
It states two predeterminated positions being selected and carries out above-mentioned steps, obtain two predeterminated positions at a distance from 6 vertical direction of nozzle, adjust
Flat system levels printing plane in combination with three predeterminated positions.
In the present embodiment, after print platform is contacted with nozzle 6, only nozzle 6, trunnion 5 and isolation 8 is driven to rise, and
Without driving heat block 4 to slide, therefore, slid without the cable of the heating rod and temperature sensor that drive on heat block 4,
The possibility that cable is involved is avoided, then reduces spray head to the resistance of print platform, reduce print platform deformation can
Energy;And without driving remaining component to slide, the assembly quality for needing to slide is smaller, reduces nozzle 6 and contacted with print platform
Cheng Zhong, the active force for the spray head that print platform is subject to then reduce the possibility of print platform deformation, increase print platform
Level precision.
According to the improvement of above-described embodiment, in the present embodiment, the connection passed through for isolation 8 is offered on cooling fin 1
Slot 102, position sensor 7 are set to the outside of cooling fin 1.By opening up for connectivity slot 102, user is not necessarily to position sensor
7 are arranged in the inside of cooling fin 1, facilitate user loading position sensor 7, increase the user experience of spray head, also increase
The practicability and interchangeability of spray head.
According to another embodiment provided by the utility model, as shown in Figures 1 to 4, a kind of High Precision Automatic leveling use
The difference of spray head, the present embodiment and the first embodiment is the setting of spacing between nozzle 6 and limiting stand 12.
On the basis of the first embodiment, in the present embodiment, along the axis direction of trunnion 5, nozzle 6 and limiting stand 12 it
Between be equipped with default spacing, default spacing is chosen for 0.5mm to 2.5mm, it is preferable that is set as 1.5mm, passes through setting for default spacing
It sets, reduces after the printed material of melting rises along nozzle 6, touch the possibility of limiting stand 12, that is, reduce nozzle 6 and larynx
The stuck possibility on limiting stand 12 of pipe 5, increases the reliability of spray head.
In conjunction with the first embodiment, the lower end of the second slip hole 41 can open up internal screw thread, and limiting stand 12 is threadedly connected to
On the second slip hole 41 in heat block 4, the axis of limiting stand 12 is overlapped with the axis of trunnion 5;The limit being connected through a screw thread
The setting of platform 12 realizes being detachably connected for heat block 4 and limiting stand 12, while also achieving the adjusting of default spacing, increases
The scope of application of spray head is added.
Nozzle 6 is equipped with extension table 61, and nozzle 6 can be arranged in close to the side of limiting stand 12 in extension table 61, it is preferable that
Extension table 61 can be integrally formed with nozzle 6;Extension table 61 is surrounded on the outside of limiting stand 12 or the outside of heat block 4, extends
Platform 61 has preset height;Specifically, when limiting stand 12 extend downwardly one end apart from when, therefore nozzle 6 lower end close to limit
The lower end of position platform 12, extension table 61 can be looped around the outside of limiting stand 12, and when limiting stand 12 does not extend downwardly, nozzle 6
Lower end close to the lower end of heat block 4, therefore, extension table 61 can be looped around the lower end of heat block 4.
It, being capable of extension table 61 after the printed material extension nozzle 6 of melting rises by the setting around setting extension table 61
Rise, the printed material for reducing melting moves to possibility in the intermittence between nozzle 6 and limiting stand 12, heat block 4, subtracts
Small nozzle 6 and the stuck possibility on limiting stand 12 or heat block 4 of trunnion 5, increase the reliability of spray head.
According to another embodiment provided by the utility model, as shown in Figure 1 to Figure 3, a kind of High Precision Automatic leveling use
The difference of spray head, the present embodiment and the first embodiment is the setting of spring 10.
It further include spring 10 in the present embodiment, one end of spring 10 is arranged in trunnion on the basis of the first embodiment
On 5, the other end of spring 10 can be arranged on cooling fin 1, and the axis of spring 10 is overlapped with the axis of trunnion 5;Pass through spring
10 setting increases the constraint between trunnion 5 and cooling fin 1, reduces the possibility of the shaking of trunnion 5, increases the steady of trunnion 5
It is qualitative.
Spring 10 is set to the one end of trunnion 5 far from nozzle 6, i.e. the top that trunnion 5 is arranged in of spring 10;Pass through spring
The restriction of 10 positions increases the interchangeability of spray head convenient for the installation and replacement of spring 10.
Isolation 8 is set between spring 10 and trunnion 5, i.e., isolation 8 can be connected to the upper of trunnion 5 by spring 10
End;By the setting of 8 position of isolation, being detachably connected for isolation 8 and trunnion 5 is realized, replaces isolation convenient for user
8, increase the reliability of spray head;And user also can choose corresponding isolation 8 to different spray heads, increase the suitable of spray head
Use range.
It further include end socket 9 in the present embodiment according to the improvement of above-described embodiment, end socket 9 is removably connected to cooling fin 1,
Spring 10 is connected to cooling fin 1 by end socket 9.By the setting of dismountable end socket 9, spring 10 is carried out more convenient for user
It changes, the spring 10 of different coefficient of elasticity is replaced convenient for user, increase the interchangeability and reliability of spray head.
Therefore, one end of spring 10 can be arranged on end socket 9, and the end of trunnion 5 can be arranged in the other end of spring 10
Portion, the length of spring 10 required for reducing, reduces unnecessary waste.
Preferably, end socket 9 is threadedly connected to cooling fin 1;The setting for the end socket 9 being connected through a screw thread, convenient for adjusting end socket 9
With the spacing between trunnion 5, the restriction of 10 length of spring is then realized, then realizes the adjusting of 10 elastic force of spring.
Trunnion 5 is equipped with close to one end of end socket 9 and abuts slot 51, and end socket 9 is additionally provided with close to one end of trunnion 5 and is connected to abutting
The abutting block 91 of slot 51;By abutting slot 51 and the setting for abutting block 91, the possibility of trunnion 5 Yu 9 Relative sliding of end socket is reduced,
Increase the stability of trunnion 5.
According to the improvement of above-described embodiment, abutting slot 51 can be also provided on end socket 9, abut block 91 and larynx is similarly arranged in
On pipe 5, the demand of the application also can satisfy.
Therefore, it when isolation 8 needs to be arranged between trunnion 5 and spring 10, needs to open up in isolation 8 across hole,
It is passed through for abutting block 91, and the radius for passing through hole is greater than the radius for abutting block 91.
According to another embodiment provided by the utility model, as shown in Figures 1 to 4, a kind of High Precision Automatic leveling use
The difference of spray head, the present embodiment and the first embodiment is the specific structure of trunnion 5.
On the basis of the first embodiment, trunnion 5 includes the first connecting tube 52 and the second connecting tube 53, the first connecting tube
52 are better than the first connecting tube 52 close to heat block 4, the thermal conductivity of the second connecting tube 53 close to cooling fin 1, the second connecting tube 53
Thermal conductivity;That is the first connecting tube 52 of upper end can choose the poor stainless steel tube of thermal conductivity, and the second connecting tube 53 can be selected
Take thermal conductivity being capable of preferable copper pipe;Specifically, the first connecting tube 52 and the second connecting tube 53 can be realized by interference fit
It is detachably connected.
When 53 thermal conductivity of the second connecting tube when lower end is preferable, heat block 4 can quickly by printed material melt and it is real
The function of now printing, and when 52 heating conduction of the first connecting tube when upper end is poor, heat block 4 is reduced to the first connecting tube 52
The influence of interior printed material reduces the possibility that the printed material in the first connecting tube 52 is melted, reduces the first connection
52 upper end of pipe is difficult to the possibility for continuing to convey printed material, increases the reliability that printed material conveys in trunnion 5.
Preferably, further include the fan 11 being arranged on support plate 3, be also provided with ventilation slot 31 on support plate 3;Pass through fan 11
With the setting of ventilation slot 31, the possibility that the printed material in the trunnion 5 of upper end is melted is reduced, increases printed material transmission
When reliability.
According to a kind of embodiment provided by the utility model, as shown in Figures 1 to 4, a kind of 3D printer, the printer
High Precision Automatic leveling spray head described in any one of the above embodiment is installed on ontology.
It should be noted that above-described embodiment can be freely combined as needed.The above is only the utility model
Preferred embodiment, it is noted that for those skilled in the art, do not departing from the utility model principle
Under the premise of, several improvements and modifications can also be made, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (12)
1. a kind of High Precision Automatic leveling spray head characterized by comprising
Cooling fin for being mounted on 3D printer is connected with support plate on the cooling fin, heating is additionally provided on the support plate
Block, the cooling fin and the heat block are set to the same side of the support plate;
Trunnion, one end of the trunnion are threaded through in the cooling fin, and the other end of the trunnion is threaded through in the heat block,
For the trunnion along the sliding setting of its axis direction in the cooling fin and in the heat block, the trunnion is connected to described add
On the inner wall of heat block, the trunnion is additionally provided with nozzle close to one end of the heat block;
The heat block is equipped with the limiting stand abutted for trunnion or nozzle, and the limiting stand is set to the trunnion close to institute
State the side of nozzle;
The cooling fin is equipped with position sensor, and the trunnion is equipped with the triggering for being connected to the position sensor
Piece, the position sensor are set to side of the isolation far from the nozzle.
2. the High Precision Automatic leveling spray head of one kind according to claim 1, it is characterised in that:
Default spacing is equipped with along the axis direction of the trunnion, between the nozzle and the limiting stand.
3. the High Precision Automatic leveling spray head of one kind according to claim 2, it is characterised in that:
The limiting stand is threadedly connected in the heat block, and the axis of the limiting stand is overlapped with the axis of the trunnion.
4. the High Precision Automatic leveling spray head of one kind according to claim 2, it is characterised in that:
The nozzle is equipped with extension table, and the extension table is surrounded on the outside of the limiting stand or the outside of the heat block.
5. the High Precision Automatic leveling spray head of one kind according to claim 1, which is characterized in that further include:
Spring, one end of the spring are set to the trunnion, and the other end of the spring is set to the cooling fin, the bullet
The axis of spring is overlapped with the axis of the trunnion.
6. the High Precision Automatic leveling spray head of one kind according to claim 5, it is characterised in that:
The spring is set to the one end of the trunnion far from the nozzle.
7. the High Precision Automatic leveling spray head of one kind according to claim 6, it is characterised in that:
The isolation is set between the spring and the trunnion.
8. the High Precision Automatic leveling spray head of one kind according to claim 5, which is characterized in that further include:
End socket, the end socket are removably connected to the cooling fin, and the spring is connected to the cooling fin by the end socket.
9. the High Precision Automatic leveling spray head of one kind according to claim 8, it is characterised in that:
The end socket is threadedly connected to the cooling fin.
10. the High Precision Automatic leveling spray head of one kind according to claim 9, it is characterised in that:
The trunnion is equipped with close to one end of the end socket and abuts slot, and the end socket is additionally provided with abutting close to one end of the trunnion
In the abutting block for abutting slot.
11. the High Precision Automatic leveling spray head of one kind according to claim 1, it is characterised in that:
The trunnion includes the first connecting tube and the second connecting tube, and first connecting tube is close to the cooling fin, and described second
Connecting tube is better than the thermal conductivity of first connecting tube close to the heat block, the thermal conductivity of second connecting tube.
12. a kind of 3D printer, which is characterized in that including printer body, installation is wanted just like right in the printer body
High Precision Automatic leveling spray head described in asking any one of 1~11.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109501260A (en) * | 2019-01-04 | 2019-03-22 | 上海远铸智能技术有限公司 | A kind of High Precision Automatic leveling spray head and 3D printer |
CN111136910A (en) * | 2020-01-06 | 2020-05-12 | 湖北工业大学 | Short-range feeding combination device of 3D printer |
CN114633473A (en) * | 2022-03-12 | 2022-06-17 | 深圳市优特打印耗材有限公司 | Print shower nozzle and use this 3D who prints shower nozzle to print and equip |
US11493333B2 (en) | 2019-12-06 | 2022-11-08 | Shanghai Fusion Tech Co., Ltd. | Flatness detection device |
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2019
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109501260A (en) * | 2019-01-04 | 2019-03-22 | 上海远铸智能技术有限公司 | A kind of High Precision Automatic leveling spray head and 3D printer |
CN109501260B (en) * | 2019-01-04 | 2024-05-14 | 上海远铸智能技术有限公司 | High-precision automatic leveling nozzle and 3D printer |
US11493333B2 (en) | 2019-12-06 | 2022-11-08 | Shanghai Fusion Tech Co., Ltd. | Flatness detection device |
CN111136910A (en) * | 2020-01-06 | 2020-05-12 | 湖北工业大学 | Short-range feeding combination device of 3D printer |
CN111136910B (en) * | 2020-01-06 | 2022-02-15 | 湖北工业大学 | Short-range feeding combination device of 3D printer |
CN114633473A (en) * | 2022-03-12 | 2022-06-17 | 深圳市优特打印耗材有限公司 | Print shower nozzle and use this 3D who prints shower nozzle to print and equip |
CN114633473B (en) * | 2022-03-12 | 2024-04-12 | 深圳市优特打印耗材有限公司 | Printing nozzle and 3D printing equipment applying same |
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