CN209832621U - Curved surface printing device - Google Patents
Curved surface printing device Download PDFInfo
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- CN209832621U CN209832621U CN201822017331.2U CN201822017331U CN209832621U CN 209832621 U CN209832621 U CN 209832621U CN 201822017331 U CN201822017331 U CN 201822017331U CN 209832621 U CN209832621 U CN 209832621U
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Abstract
The utility model discloses a curved surface printing device. The utility model provides a curved surface printing device includes: the device comprises a printing extrusion head, a three-dimensional motion platform, an adapter plate, a ring clamp, an x-axis capacitive sensor, a y-axis capacitive sensor and a controller. The printing extrusion head is fixed on the three-dimensional motion platform through the adapter plate, an annular clamp is arranged at one end of the printing extrusion head, a first through hole and a second through hole are formed in the annular clamp, the x-axis capacitive sensor is arranged in the first through hole, and the y-axis capacitive sensor is arranged in the second through hole. And the controller receives the distance values returned by the x-axis capacitive sensor and the y-axis capacitive sensor and controls the three-dimensional motion platform to move so as to realize curved surface printing. Because the measuring accuracy of the capacitance type sensor is not influenced by the reflectivity and the color of the tested surface, the distance measuring accuracy is high, and the printing effect of the curved surface printing device can be effectively ensured. Meanwhile, the capacitive sensor can be applied to various printing environments and has good applicability.
Description
Technical Field
The utility model relates to a 3D printer technical field especially relates to a curved surface printing device.
Background
The 3D printing technology is also called additive manufacturing technology, is a novel manufacturing technology based on a computer three-dimensional data model and material multilayer deposition, is different from material reduction manufacturing modes such as cutting and the like, disperses a three-dimensional space entity into pixels on a two-dimensional plane by the 3D printing technology, and completes three-dimensional forming in a layer-by-layer stacking mode. Laser rangefinder is a commonly used non-contact measurement method, has contactless measurement surface, the precision is high, measure quick advantage, installs laser rangefinder sensor and can realize printing on irregular bottom plate on 3D prints the shower nozzle, nevertheless, laser rangefinder sensor precision receives bottom plate surface reflectivity influence easily, and bottom plate surface color change also can influence measurement accuracy, and then influences final printing effect. Meanwhile, laser light is high-power light and has potential danger.
Disclosure of Invention
The utility model aims at providing a curved surface printing device, the distance detects the precision height, and the measuring accuracy does not receive the influence of testing surface reflection of light nature and colour moreover, can effectively ensure curved surface printing device's printing effect, has fine suitability.
In order to achieve the above object, the utility model provides a following scheme:
a curved surface printing apparatus, the curved surface printing apparatus comprising: the device comprises a printing extrusion head, a three-dimensional motion platform, an adapter plate, a ring clamp, an x-axis capacitive sensor, a y-axis capacitive sensor and a controller,
the printing extrusion head is fixed on the three-dimensional motion platform through the adapter plate, the printing extrusion head is perpendicular to a horizontal motion plane of the three-dimensional motion platform, one end, close to the horizontal motion plane, of the printing extrusion head is provided with an annular clamp, a first through hole with an axis parallel to an x axis and a second through hole with an axis parallel to a y axis are formed in the annular clamp, the x-axis capacitive sensor is arranged in the first through hole, and the y-axis capacitive sensor is arranged in the second through hole;
the controller is respectively connected with the x-axis capacitive sensor, the y-axis capacitive sensor and the three-dimensional motion platform.
Optionally, the controller is an MKS BASE V1.6 control board.
Optionally, the three-dimensional motion platform includes: a base, a first upright post, a second upright post, an x-axis beam guide rail, a slide block, a z-axis sliding guide rail, a mounting plate, a moving platform, an x-axis driving motor, a y-axis driving motor and a z-axis driving motor, wherein,
the first upright column and the second upright column are symmetrically arranged on a pair of opposite side surfaces of the base, the first upright column and the second upright column are used for supporting an x-axis beam guide rail arranged between the first upright column and the second upright column, a sliding block is arranged on the x-axis beam guide rail, a z-axis sliding guide rail perpendicular to the base is fixedly arranged on the sliding block, a mounting plate is arranged on the z-axis sliding guide rail, the printing extrusion head is fixed on the mounting plate through the adapter plate, and a moving platform capable of moving along the y-axis direction is arranged on the base;
the x-axis driving motor, the y-axis driving motor and the z-axis driving motor are all connected with the controller; the x-axis driving motor is connected with the sliding block and used for driving the sliding block to move on the x-axis cross beam guide rail; the y-axis driving motor is connected with the mobile platform and used for driving the mobile platform to move along the y-axis direction; and the z-axis driving motor is connected with the mounting plate and used for driving the mounting plate to move on the z-axis sliding guide rail.
Optionally, the x-axis driving motor drives the slider to move on the x-axis cross beam guide rail through a belt, the y-axis driving motor drives the moving platform to move along the y-axis direction through a belt, and the z-axis driving motor drives the mounting plate to move on the z-axis sliding guide rail through a screw.
Optionally, the x-axis capacitive sensor and the y-axis capacitive sensor are both ZCS1100 in model.
Optionally, the distance between the x-axis capacitive sensor and the printing extrusion head is equal to the distance between the y-axis capacitive sensor and the printing extrusion head.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect:
the utility model provides a curved surface printing device includes: the device comprises a printing extrusion head, a three-dimensional motion platform, an adapter plate, a ring clamp, an x-axis capacitive sensor, a y-axis capacitive sensor and a controller. The printing extrusion head is fixed on the three-dimensional motion platform through the adapter plate, the printing extrusion head is perpendicular to a horizontal motion plane of the three-dimensional motion platform, an annular clamp is arranged at one end, close to the horizontal motion plane, of the printing extrusion head, a first through hole with the axis parallel to an x axis and a second through hole with the axis parallel to a y axis are formed in the annular clamp, the x-axis capacitive sensor is arranged in the first through hole, and the y-axis capacitive sensor is arranged in the second through hole. The controller is respectively connected with the x-axis capacitive sensor, the y-axis capacitive sensor and the three-dimensional motion platform, receives distance values returned by the x-axis capacitive sensor and the y-axis capacitive sensor, and controls the three-dimensional motion platform to move to realize curved surface printing. The distance measurement principle of the capacitive sensor is as follows: the capacitance probe and the processed object form a parallel electrode, air is used as a medium to form a capacitor, when the surface distance between the capacitance probe and the processed object changes, the capacitance value of the capacitor also changes, the smaller the distance between the capacitance probe and the processed object is, the higher the detection precision is, the precision can reach 0.1-100 mu m, the test precision is not influenced by the reflectivity and the color of the tested surface, and the printing effect of the curved surface printing device can be effectively ensured. Meanwhile, the capacitive sensor can be applied to various printing environments and has good applicability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a curved surface printing apparatus according to an embodiment of the present invention;
fig. 2 is a schematic view of a printing device for printing a curved surface on a spherical substrate according to an embodiment of the present invention;
FIG. 3 is a pictorial view of a ZCS1100 capacitive sensor;
fig. 4 is a schematic view of an installation position of an x-axis capacitive sensor and a y-axis capacitive sensor according to an embodiment of the present invention;
fig. 5 is a diagram illustrating a first application example of a curved surface printing apparatus according to an embodiment of the present invention;
fig. 6 is a diagram illustrating a second application example of the curved surface printing apparatus according to the 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 only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a curved surface printing device, the distance detects the precision height, and the measuring accuracy does not receive the influence of testing surface reflection of light nature and colour moreover, can effectively ensure curved surface printing device's printing effect, has fine suitability.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Fig. 1 is a schematic structural view of a curved surface printing apparatus according to an embodiment of the present invention. Fig. 2 is a schematic view of the printing of the spherical substrate by the curved surface printing apparatus provided by the embodiment of the present invention. As shown in fig. 1 and 2, a curved surface printing apparatus includes: the printing extrusion head 1, the three-dimensional motion platform 2, the adapter plate 3 and a controller (not shown in the figure). The printing extrusion head 1 is fixed on the three-dimensional motion platform 2 through the adapter plate 3, and the printing extrusion head 1 is perpendicular to the horizontal motion plane of the three-dimensional motion platform 2.
The one end that is close to the horizontal motion plane at printing extrusion head 1 is provided with ring clamp 11, set up on ring clamp 11 axis and print extrusion head central line and be on a parallel with the first through-hole of x axle and axis and the second through-hole that the printer goes out the head central line and be on a parallel with the y axle (namely first through-hole is located and prints extrusion head x axle positive direction, and the second through-hole is located and prints extrusion head y axle positive direction), and the capacitive sensor 12 of x axle is located in the first through-hole, and the capacitive sensor 16 of y axle is located in the second through-hole. The controller is respectively connected with the x-axis capacitive sensor 12, the y-axis capacitive sensor 16 and the three-dimensional motion platform 2.
In this example, the controller is an MKS BASE V1.6 control board. The x-axis capacitive sensor and the y-axis capacitive sensor are both model ZCS1100, and the physical diagram is shown in FIG. 3. The needle of the printing extrusion head 1 is a straight writing extrusion head 15. The x-axis capacitive sensor 12 is mounted in a direction aligned with the x-axis square and the y-axis capacitive sensor 16 is mounted in a direction aligned with the y-axis square. As shown in fig. 4, the distance of the x-axis capacitive sensor 12 from the printhead 1 is equal to the distance of the y-axis capacitive sensor 6 from the printhead 1.
The three-dimensional motion platform comprises: the device comprises a base 201, a first upright column 202, a second upright column 203, an x-axis beam guide rail 204, a slide block 205, a z-axis slide guide rail 206, a mounting plate 207, a moving platform 208, an x-axis driving motor (not shown), a y-axis driving motor (not shown) and a z-axis driving motor (not shown).
The first upright column 202 and the second upright column 203 are symmetrically arranged on a pair of opposite side surfaces of the base 201, the first upright column 202 and the second upright column 203 are used for supporting an x-axis beam guide rail 204 arranged between the first upright column 202 and the second upright column 203, a sliding block 205 is arranged on the x-axis beam guide rail 204, a z-axis sliding guide rail 206 vertical to the base 201 is fixedly arranged on the sliding block 205, a mounting plate 207 is arranged on the z-axis sliding guide rail 206, the printing extrusion head 1 is fixed on the mounting plate 207 through an adapter plate 3, and a moving platform 208 capable of moving along the y-axis direction is arranged on the base 201.
The x-axis driving motor, the y-axis driving motor and the z-axis driving motor are all connected with the controller. The x-axis driving motor is connected with the sliding block 205 and is used for driving the sliding block 205 to move on the x-axis beam guide rail; the y-axis driving motor is connected with the moving platform 208 and is used for driving the moving platform 208 to move along the y-axis direction; the z-axis drive motor is coupled to the mounting plate 207 for driving the mounting plate 207 to move on the z-axis slide rail 206.
An x-axis driving motor moves on the x-axis beam guide rail through a belt transmission sliding block 205, a y-axis driving motor moves along the y-axis direction through a belt transmission moving platform, and a z-axis driving motor drives a mounting plate to move on a z-axis sliding guide rail through a screw rod. In this embodiment, the z-axis drive motor is a stepper motor.
The working principle of the capacitive sensor is that parallel electrodes are formed by a capacitance probe and a processed object, a capacitor is formed by taking air as a medium, the capacitance of the capacitor is epsilon A/delta, and when the distance between the probe and the surface of the processed object is displaced by d delta, the capacitance variation isAnd further calculating to obtain the distance between the probe and the surface of the processed workpiece, wherein the detection precision is higher along with the reduction of the distance, and the precision can reach 0.1-100 mu m. A capacitive sensor for detecting an electrostatically charged object, comprising: the more the static electricity is charged to the object, the longer the detection distance is. And the sensor has smaller requirement on environment and has wide applicability.
Therefore, the utility model discloses provide a curved surface printing device based on capacitive sensor, the controller receive x axle capacitive sensor 12 and the distance information with the curved surface basement that y axle capacitive sensor 16 detected, carry out the comparison with it and settlement threshold value and obtain the difference, the difference is the movement distance who extrudes first 1 for printing, 2 movements of controller control three-dimensional motion platform, extrude reciprocating of head 1 through printing and realize from plane route to the projection of curved surface, the messenger prints and can change along with the shape, print multiple wire pattern 5 on regular curved surface bases 4 such as sphere.
Fig. 5 and fig. 6 are application examples of the curved surface printing apparatus provided by the present invention, and the specific implementation process is as follows:
when the printing extrusion head moves along a single axis, the distance information corresponding to the axial direction is a reference value, and if the printing extrusion head moves linearly along the x-axis direction, the measurement value hx of the x-axis capacitive sensor is the reference value H (H ═ hx);
when the extrusion head is moved in both axial directions simultaneously, the minimum value is taken as a reference value. If the motion exists along the directions of the x axis and the y axis, comparing the measurement value hx of the x-axis capacitive sensor with the measurement value hy of the y-axis capacitive sensor, and if hx < hy, selecting hx as a reference value (H ═ hx);
comparing the reference value H with a set threshold value D: if D is greater than H, the spray head moves upwards by a movement distance of | D-H |, and if D is less than or equal to H, the spray head moves downwards by a movement distance of | H-D |.
It should be noted that, although the controller portion of the present invention relates to a program, the program is a prior art, and the present invention does not make any improvement on the program portion.
The utility model discloses a 3D prints and directly writes auxiliary assembly, has solved the current difficulty of directly writing extrusion equipment and printing on the space curved surface, realizes the pinpointing of syringe needle on the space curved surface and prints.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present description should not be construed as a limitation of the present invention.
Claims (6)
1. A curved surface printing apparatus, characterized in that the curved surface printing apparatus comprises: the device comprises a printing extrusion head, a three-dimensional motion platform, an adapter plate, a ring clamp, an x-axis capacitive sensor, a y-axis capacitive sensor and a controller,
the printing extrusion head is fixed on the three-dimensional motion platform through the adapter plate, the printing extrusion head is perpendicular to a horizontal motion plane of the three-dimensional motion platform, one end, close to the horizontal motion plane, of the printing extrusion head is provided with an annular clamp, a first through hole with an axis parallel to an x axis and a second through hole with an axis parallel to a y axis are formed in the annular clamp, the x-axis capacitive sensor is arranged in the first through hole, and the y-axis capacitive sensor is arranged in the second through hole;
the controller is respectively connected with the x-axis capacitive sensor, the y-axis capacitive sensor and the three-dimensional motion platform.
2. The flexographic printing device of claim 1, wherein said controller is an MKS BASE V1.6 control board.
3. The flexographic printing device of claim 1, wherein said three-dimensional motion platform comprises: a base, a first upright post, a second upright post, an x-axis beam guide rail, a slide block, a z-axis sliding guide rail, a mounting plate, a moving platform, an x-axis driving motor, a y-axis driving motor and a z-axis driving motor, wherein,
the first upright column and the second upright column are symmetrically arranged on a pair of opposite side surfaces of the base, the first upright column and the second upright column are used for supporting an x-axis beam guide rail arranged between the first upright column and the second upright column, a sliding block is arranged on the x-axis beam guide rail, a z-axis sliding guide rail perpendicular to the base is fixedly arranged on the sliding block, a mounting plate is arranged on the z-axis sliding guide rail, the printing extrusion head is fixed on the mounting plate through the adapter plate, and a moving platform capable of moving along the y-axis direction is arranged on the base;
the x-axis driving motor, the y-axis driving motor and the z-axis driving motor are all connected with the controller; the x-axis driving motor is connected with the sliding block and used for driving the sliding block to move on the x-axis cross beam guide rail; the y-axis driving motor is connected with the mobile platform and used for driving the mobile platform to move along the y-axis direction; and the z-axis driving motor is connected with the mounting plate and used for driving the mounting plate to move on the z-axis sliding guide rail.
4. The flexographic printing device of claim 3, wherein said x-axis drive motor drives said slider to move on said x-axis cross-beam guide rail via a belt, said y-axis drive motor drives said movable platform to move in a y-axis direction via a belt, and said z-axis drive motor drives said mounting plate to move on said z-axis slide guide rail via a screw.
5. The flexographic printing device of claim 1, wherein said x-axis capacitive sensor and said y-axis capacitive sensor are each of the model ZCS 1100.
6. The flexographic printing device of claim 1, wherein said x-axis capacitive sensor is located a distance from said printing extrusion head equal to a distance from said y-axis capacitive sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822017331.2U CN209832621U (en) | 2018-11-26 | 2018-11-26 | Curved surface printing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822017331.2U CN209832621U (en) | 2018-11-26 | 2018-11-26 | Curved surface printing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209832621U true CN209832621U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822017331.2U Active CN209832621U (en) | 2018-11-26 | 2018-11-26 | Curved surface printing device |
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| CN (1) | CN209832621U (en) |
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2018
- 2018-11-26 CN CN201822017331.2U patent/CN209832621U/en active Active
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