CN215473110U - Automatic protection device of 3D print head - Google Patents
Automatic protection device of 3D print head Download PDFInfo
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- CN215473110U CN215473110U CN202120953803.4U CN202120953803U CN215473110U CN 215473110 U CN215473110 U CN 215473110U CN 202120953803 U CN202120953803 U CN 202120953803U CN 215473110 U CN215473110 U CN 215473110U
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- plate
- sleeve
- protection device
- printer nozzle
- printer
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Abstract
The utility model discloses an automatic protection device for a 3D printer nozzle, which comprises a protective cover, a plurality of detection pieces, a printer nozzle and a driving mechanism, wherein the detection pieces are arranged on the protective cover; the protective cover is provided with a protective cavity, and a spray head outlet communicated with the protective cavity is formed in the protective cover; the detection piece is arranged on the protective cover and comprises a first polar plate and a second polar plate; the driving mechanism is connected with the printer nozzle; when the detection piece is touched, the first polar plate is electrically connected with the second polar plate so as to drive the printer spray head to retract into the protective cavity through the spray head outlet by the driving mechanism. The technical scheme provided by the utility model has the beneficial effects that: when an object collides against the printer nozzle, the object firstly contacts the detection piece, the first pole plate is electrically connected with the second pole plate, and the printer nozzle is driven to retract into the protection cavity through the driving mechanism, so that the printer nozzle is prevented from being damaged by collision.
Description
Technical Field
The utility model relates to the technical field of 3D printing, in particular to an automatic protection device for a 3D printer nozzle.
Background
3D printing is a rapid prototyping technique, also known as additive manufacturing, which is a technique that builds objects by using bondable materials such as powdered metal or plastic and the like and printing layer by layer on the basis of a digital model file.
The shower nozzle is one of very important components in the 3D printer, but the protection instrument is not installed to current 3D printer shower nozzle mostly, when printing the end, when taking the good article of printing, collides the shower nozzle easily, makes printer shower nozzle damage.
SUMMERY OF THE UTILITY MODEL
In view of this, it is necessary to provide an automatic protection device for a 3D printer head, so as to solve the technical problem that the existing 3D printer head is mostly not provided with a protection tool, and the printer head is easily damaged by collision.
In order to achieve the aim, the utility model provides an automatic protection device for a 3D printer nozzle, which comprises a protective cover, a plurality of detection pieces, the printer nozzle and a driving mechanism, wherein the detection pieces are arranged on the protective cover;
the protective cover is provided with a protective cavity, and a spray head outlet communicated with the protective cavity is formed in the protective cover;
the detection piece is arranged on the protective cover and comprises a first polar plate and a second polar plate;
the driving mechanism is connected with the printer nozzle;
when the detection piece is touched, the first polar plate is electrically connected with the second polar plate so as to drive the printer spray head to retract into the protective cavity through the spray head outlet by the driving mechanism.
Preferably, the detection piece further comprises a sleeve, an elastic piece and a contact rod, the sleeve is fixed on the protective cover, the elastic piece is fixed in the sleeve, one end of the contact rod is fixedly connected with the elastic piece, and the other end of the contact rod is located outside the sleeve.
Preferably, the elastic component includes slider and spring, the slider slide set up in the sleeve, the one end of slider with contact lever fixed connection, place in the spring in the sleeve, the one end of spring with the one end fixed connection of slider, the other end of spring with telescopic inner wall fixed connection.
Preferably, a stop block is formed at the opening of the sleeve and used for limiting the sliding block so as to prevent the sliding block from leaving the sleeve.
Preferably, the first polar plate is fixed on the outer side wall of the contact rod, the second polar plate is fixed on the inner side wall of the sleeve, and when the contact rod moves towards the sleeve, the second polar plate is abutted to the first polar plate.
Preferably, the second pole plate is an elastic sheet, one end of the elastic sheet is fixed on the inner side wall of the sleeve, and when the contact rod moves towards the sleeve, the elastic sheet is pressed on the first pole plate.
Preferably, actuating mechanism includes fixed plate, guide arm, push pedal, mounting panel and driving piece, the guide arm with fixed plate sliding connection, the push pedal is fixed in the one end of guide arm, the mounting panel is fixed in the other end of guide arm, be used for fixing on the mounting panel print head, the driving piece with the push pedal is connected and is used for driving the push pedal removes.
Preferably, the printer head is removably attached to the mounting plate.
Preferably, the driving piece is a hydraulic cylinder, the hydraulic cylinder is fixedly mounted on the fixing plate, and an output shaft of the hydraulic cylinder is fixedly connected with the push plate.
Preferably, 3D printer shower nozzle automatic safety device still includes the detection power, the negative pole of detection power with each the first polar plate of detection piece is all connected electrically, the positive pole of detection power with the positive terminal of pneumatic cylinder is connected electrically, the negative terminal of pneumatic cylinder with each the second polar plate of detection piece is all connected electrically.
Compared with the prior art, the technical scheme provided by the utility model has the beneficial effects that: when an object collides against the printer nozzle, the object firstly contacts the detection piece, the first pole plate is electrically connected with the second pole plate, and the printer nozzle is driven to retract into the protection cavity through the driving mechanism, so that the printer nozzle is prevented from being damaged by collision.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of an automatic protection device for a 3D printer nozzle provided by the utility model;
FIG. 2 is a schematic view of the structure of the detecting member of FIG. 1;
FIG. 3 is a circuit structure diagram of the automatic protection device for the 3D printer nozzle in FIG. 1;
in the figure: 1-protective cover, 2-detection piece, 3-printer nozzle, 4-driving mechanism, 5-detection power supply, 11-nozzle outlet, 21-first polar plate, 22-second polar plate, 23-sleeve, 231-stop block, 24-elastic piece, 241-slide block, 242-spring, 25-contact rod, 41-fixing plate, 42-guide rod, 43-push plate, 44-mounting plate and 45-driving piece.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the utility model and together with the description, serve to explain the principles of the utility model and not to limit the scope of the utility model.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of an automatic protection device for a 3D printer head according to the present invention, where the automatic protection device for a 3D printer head includes a protective cover 1, a plurality of detection members 2, a printer head 3, and a driving mechanism 4, where the protective cover 1 is covered on the periphery of the printer head 3 to prevent the printer head 3 from being impacted, the detection members 2 are used to detect whether an object is close to the printer head 3, and if an object is detected to be close, the driving mechanism 4 drives the printer head 3 to retract into the protective cover 1.
Referring to fig. 1, the protection cover 1 has a protection cavity, and the protection cover 1 is provided with a nozzle outlet 11 communicated with the protection cavity.
Referring to fig. 1 and 2, the detecting member 2 is disposed on the protective cover 1, and the detecting member 2 includes a first polar plate 21 and a second polar plate 22.
Referring to fig. 1 and 2, the driving mechanism 4 is connected to the printer head 3 and is configured to drive the printer head 3 to extend out of the head outlet 11 or retract into the protection cavity.
When the detecting member 2 is touched, the first pole plate 21 is electrically connected to the second pole plate 22, so that the printer head 3 is driven by the driving mechanism 4 to retract into the protection chamber through the head outlet 11.
When an object collides against the printer head 3 in use, the object firstly contacts the detection piece 2, the first pole plate 21 is electrically connected with the second pole plate 22, and the printer head 3 is driven to retract into the protective cavity through the driving mechanism 4, so that the printer head 3 is prevented from being damaged by collision.
In order to cushion an object, referring to fig. 1 and 2, in a preferred embodiment, the detecting member 2 further includes a sleeve 23, an elastic member 24, and a contact rod 25, the sleeve 23 is fixed on the protective cover 1, the elastic member 24 is fixed in the sleeve 23, one end of the contact rod 25 is fixedly connected to the elastic member 24, and the other end of the contact rod 25 is located outside the sleeve 23, so that when the object impacts the contact rod 25, the elastic member 24 contracts to cushion the impact, thereby preventing the object from being damaged.
In order to realize the function of the elastic member 24, referring to fig. 1 and fig. 2, in a preferred embodiment, the elastic member 24 includes a slider 241 and a spring 242, the slider 241 is slidably disposed in the sleeve 23, one end of the slider 241 is fixedly connected to the contact rod 25, the spring 242 is disposed in the sleeve 23, one end of the spring 242 is fixedly connected to one end of the slider 241, the other end of the spring 242 is fixedly connected to an inner wall of the sleeve 23, when an object impacts the contact rod 25, the spring 242 contracts to buffer the impact, so as to prevent the impacted object from being damaged.
In order to prevent the sliding block 241 from leaving the sleeve 23, referring to fig. 1 and fig. 2, in a preferred embodiment, a stop block 231 is formed at the opening of the sleeve 23, and the stop block 231 is used for limiting the sliding block 241 to prevent the sliding block 241 from leaving the sleeve 23.
In order to realize that the first plate 21 and the second plate 22 are electrically connected when the detecting member 2 is touched, referring to fig. 1 and 2, in a preferred embodiment, the first plate 21 is fixed on an outer side wall of the contact rod 25, the second plate 22 is fixed on an inner side wall of the sleeve 23, and when the contact rod 25 moves into the sleeve 23, the second plate 22 is abutted against the first plate 21 so as to be electrically connected.
In order to make the first pole plate 21 and the second pole plate 22 contact well when abutting, referring to fig. 1 and fig. 2, in a preferred embodiment, the second pole plate 22 is an elastic sheet, one end of the elastic sheet is fixed on the inner side wall of the sleeve 23, when the contact rod 25 moves into the sleeve 23, the elastic sheet is pressed on the first pole plate 21, and when the elastic sheet abuts against the first pole plate 21, the elastic sheet is slightly bent, so as to provide a pressure to abut against the first pole plate 21, so as to make the two make good electrical contact.
In order to realize the function of the driving mechanism 4 specifically, referring to fig. 1, in a preferred embodiment, the driving mechanism 4 includes a fixing plate 41, a guide rod 42, a push plate 43, a mounting plate 44 and a driving member 45, the guide rod 42 is slidably connected to the fixing plate 41, the push plate 43 is fixed to one end of the guide rod 42, the mounting plate 44 is fixed to the other end of the guide rod 42, the mounting plate 44 is used for fixing the printer head 3, and the driving member 45 is connected to the push plate 43 and is used for driving the push plate 43 to move. In use, the driving member 45 pushes the pushing plate 43 to move, thereby moving the printer head 3 via the guide rod 42 and the mounting plate 44.
To facilitate replacement of the printer head 3, referring to fig. 1, in a preferred embodiment, the printer head 3 is removably attached to the mounting plate 44.
To implement the function of the driving member 45, referring to fig. 1, in a preferred embodiment, the driving member 45 is a hydraulic cylinder, the hydraulic cylinder is fixedly mounted on the fixing plate 41, and an output shaft of the hydraulic cylinder is fixedly connected with the push plate 43.
In order to implement the function of driving the printer head 3 to retract into the protection cavity when the first electrode plate 21 contacts the second electrode plate 22, referring to fig. 1-3, in a preferred embodiment, the automatic protection device for a 3D printer head further includes a detection power source 5, a negative electrode of the detection power source 5 is electrically connected to the first electrode plate 21 of each detection member 2, a positive electrode of the detection power source 5 is electrically connected to a positive electrode terminal of the hydraulic cylinder, and a negative electrode terminal of the hydraulic cylinder is electrically connected to the second electrode plate 22 of each detection member 2, it should be noted that, although the circuit structure diagram in fig. 3 only includes three sets of the first electrode plate 21 and the second electrode plate 22, the number of sets of the first electrode plate 21 and the second electrode plate 22 may be other numbers, and the utility model is not limited thereto.
For better understanding of the present invention, the following describes the working process of the automatic protection device for a 3D printer nozzle provided by the present invention in detail with reference to fig. 1 to 3: when the printer head 3 is used, when an object collides with the printer head 3, the object firstly contacts the contact rod 25, the spring 242 contracts, the contact rod 25 moves into the sleeve 23, the first pole plate 21 is abutted against and electrically connected with the second pole plate 22, so that the detection power supply 5 is electrically connected with the hydraulic cylinder, the hydraulic cylinder pushes the push plate 43 to move, the printer head 3 is driven to move through the guide rod 42 and the mounting plate 44, and the printer head 3 retracts into the protective cavity to prevent the printer head 3 from being damaged due to collision.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. An automatic protection device for a 3D printer nozzle is characterized by comprising a protective cover, a plurality of detection pieces, the printer nozzle and a driving mechanism;
the protective cover is provided with a protective cavity, and a spray head outlet communicated with the protective cavity is formed in the protective cover;
the detection piece is arranged on the protective cover and comprises a first polar plate and a second polar plate;
the driving mechanism is connected with the printer nozzle;
when the detection piece is touched, the first polar plate is electrically connected with the second polar plate so as to drive the printer spray head to retract into the protective cavity through the spray head outlet by the driving mechanism.
2. The automatic protection device of 3D printer nozzle according to claim 1, wherein the detection member further comprises a sleeve, an elastic member and a contact rod, the sleeve is fixed on the protective cover, the elastic member is fixed in the sleeve, one end of the contact rod is fixedly connected with the elastic member, and the other end of the contact rod is located outside the sleeve.
3. The automatic protection device for the 3D printer nozzle according to claim 2, wherein the elastic member comprises a slider and a spring, the slider is slidably disposed in the sleeve, one end of the slider is fixedly connected with the contact rod, the spring is disposed in the sleeve, one end of the spring is fixedly connected with one end of the slider, and the other end of the spring is fixedly connected with the inner wall of the sleeve.
4. The automatic protection device for the 3D printer nozzle according to claim 3, wherein a stop block is formed at the opening of the sleeve and used for limiting the sliding block so as to prevent the sliding block from leaving the sleeve.
5. The automatic 3D printer head protection device according to claim 2, wherein the first pole plate is fixed on an outer side wall of the contact rod, the second pole plate is fixed on an inner side wall of the sleeve, and when the contact rod moves into the sleeve, the second pole plate abuts against the first pole plate.
6. The automatic protection device for the 3D printer nozzle according to claim 5, wherein the second polar plate is an elastic sheet, one end of the elastic sheet is fixed on the inner side wall of the sleeve, and when the contact rod moves into the sleeve, the elastic sheet is pressed on the first polar plate.
7. The automatic protection device for the 3D printer nozzle as claimed in claim 1, wherein the driving mechanism comprises a fixing plate, a guide rod, a push plate, a mounting plate and a driving member, the guide rod is slidably connected with the fixing plate, the push plate is fixed at one end of the guide rod, the mounting plate is fixed at the other end of the guide rod, the mounting plate is used for fixing the printer nozzle, and the driving member is connected with the push plate and used for driving the push plate to move.
8. The automatic protection device of claim 7, wherein the printer head is detachably connected to the mounting plate.
9. The automatic protection device for the 3D printer nozzle according to claim 7, wherein the driving member is a hydraulic cylinder, the hydraulic cylinder is fixedly installed on the fixing plate, and an output shaft of the hydraulic cylinder is fixedly connected with the push plate.
10. The automatic protection device for the 3D printer nozzle according to claim 9, further comprising a detection power supply, wherein a negative electrode of the detection power supply is electrically connected to the first pole plate of each detection member, a positive electrode of the detection power supply is electrically connected to the positive terminal of the hydraulic cylinder, and a negative terminal of the hydraulic cylinder is electrically connected to the second pole plate of each detection member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120953803.4U CN215473110U (en) | 2021-05-06 | 2021-05-06 | Automatic protection device of 3D print head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120953803.4U CN215473110U (en) | 2021-05-06 | 2021-05-06 | Automatic protection device of 3D print head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215473110U true CN215473110U (en) | 2022-01-11 |
Family
ID=79777074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120953803.4U Active CN215473110U (en) | 2021-05-06 | 2021-05-06 | Automatic protection device of 3D print head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215473110U (en) |
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2021
- 2021-05-06 CN CN202120953803.4U patent/CN215473110U/en active Active
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