Material drawing table
Technical Field
The utility model relates to the field of image acquisition, in particular to a sampling table.
Background
The equipment of drawing materials mainly includes the mesa and sets up the camera lens of finding a view in mesa top, places the sample material on the mesa, gathers the image to the sample material through the camera lens, and current equipment of drawing materials is like a sample two-way collection device that draws materials that patent document disclosed with publication number CN114577505, and this scheme has a problem, because often the sample material often can't be accurate place at best finding a view in interval, needs manual removal sample material, and is very inconvenient, especially present long-range sample, the display screen of operation is far away from the mesa, more inconvenient adjustment sample material's position.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a sampling table which can well control the transverse and longitudinal movement of a sample so as to move the sample to an optimal view finding interval.
The technical scheme adopted for solving the technical problems is as follows: a material taking table, which comprises a base and a table board;
the base is provided with a transverse electric push rod and a transverse sliding rail, the transverse electric push rod comprises a transverse guide rod part and a transverse sliding block which are mutually matched, the transverse guide rod part and the transverse sliding rail are arranged on the base in parallel, and the transverse sliding block is in sliding fit with the transverse sliding rail;
the transverse sliding block is provided with a longitudinal electric push rod and a longitudinal sliding rail, the longitudinal electric push rod comprises a longitudinal guide rod part and a longitudinal sliding rail which are mutually matched, the longitudinal guide rod part and the longitudinal sliding rail are arranged in parallel on the transverse sliding block, and the longitudinal sliding block is in sliding fit with the longitudinal sliding rail;
the bedplate is fixed with the longitudinal slide block.
The transverse guide rod part in the technical scheme is used for driving the platen to move transversely, and the longitudinal guide rod part is used for driving the platen to move longitudinally;
specifically, the transverse guide rod portion is matched with the transverse slider to drive the transverse slider to move on the transverse guide rod portion, wherein the transverse sliding rail is used for guiding the transverse slider, so that the longitudinal electric push rod and the longitudinal sliding rail which are positioned on the transverse slider can be driven to move transversely, the longitudinal guide rod portion is matched with the longitudinal slider to drive the longitudinal slider to move on the longitudinal guide rod portion, and the longitudinal sliding rail is used for guiding the longitudinal slider, so that the bedplate which is positioned on the longitudinal slider can be driven to move longitudinally. In combination, the transverse guide rod part and the longitudinal guide rod part can move transversely and longitudinally to the bedplate, after the sample is placed on the bedplate, if the position of the sample is not the optimal view finding interval, the sample can be moved to the optimal view finding interval by moving the bedplate, so that the sample is more suitable for remote material taking and more convenient.
Preferably, the upper surface of the platen is provided with a transverse reference line and a longitudinal reference line which are perpendicular to each other. So that the most appropriate viewing angle and reference can be quickly determined.
Preferably, the platen is a white frosted light transmissive plate. So that better reflection of light is achieved, the contrast of the sample material is improved, and meanwhile, the frosted material can avoid too clean scene of reflection and interference pattern.
Preferably, the lower surface of the platen is provided with a backlight source. The brightness of the sample material is improved, the sample can be more clearly sampled, and the sample is more convenient by combining with the frosted and transparent bedplate.
Preferably, the backlight light sources are lattice-type distributed light sources. So as to provide auxiliary lighting more uniformly.
Preferably, the platen is provided with an interlayer, and the backlight source is located in the interlayer. The interference of the outside to the backlight light source can be avoided, and the backlight light source is protected.
Preferably, a plurality of negative pressure holes are distributed on the upper surface of the interlayer, and the interlayer is communicated with the negative pressure device. The sample material can be adsorbed by negative pressure through the negative pressure hole, so that the movement of the sample material in the process of collection is avoided, and the sampling is facilitated.
Preferably, the aperture of the negative pressure hole is smaller than 1mm. The misleading of the image of the sample material caused by the too large aperture is avoided.
Preferably, the interlayer is provided with a negative pressure window, and the negative pressure device is a negative pressure fan arranged on the negative pressure window. The interlayer can be used for providing negative pressure for various negative pressure holes through one negative pressure device.
Preferably, a sensor for detecting the sample material in the middle of the platen is electrically connected to the negative pressure fan and the backlight light source respectively, and when the sensor detects the sample material, the negative pressure fan and the backlight light source are controlled to be started. Whether the sample material is placed on the platen or not is detected through the sensor, if the sample material is detected, the negative pressure fan is started to provide negative pressure, the sample material is adsorbed, and meanwhile, the backlight light source is turned on to provide auxiliary illumination.
The utility model has the beneficial effects that:
through the horizontal and vertical removal of control appearance material that this scheme can be fine to remove the best section of finding a view with appearance material, utilize backlight source and negative pressure hole simultaneously, on the one hand can be better with the absorption of appearance material on the platen, on the other hand can provide auxiliary light source and make the sampling more clear.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the description of the embodiments will be briefly described, and it is obvious that the drawings in the following description are only four of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of an embodiment of the present utility model;
FIG. 2 is a top view of a base and platen of an embodiment of the present utility model;
FIG. 3 is a schematic view of a base, a lateral electric putter and a longitudinal electric putter according to an embodiment of the present utility model;
FIG. 4 is a schematic view of the interior of a platen according to an embodiment of the present utility model;
1, a base; 2. a platen; 3. a transverse datum line; 4. a longitudinal datum line; 5. a negative pressure hole; 6. a sensor; 7. a backlight light source; 8. a negative pressure window; 9. a negative pressure fan; 10. a transverse guide rod portion; 11. a transverse slide rail; 12. a transverse slide block; 13. a longitudinal guide rod portion; 14. a longitudinal slide rail; 15. a longitudinal slide.
Detailed Description
The present utility model will be further described in detail with reference to the drawings and examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
Examples
As shown in fig. 1 and 3, a material taking table comprises a base 1 and a platen 2; the base 1 is provided with a transverse electric push rod and a transverse sliding rail 11, the transverse electric push rod comprises a transverse guide rod part 10 and a transverse sliding block 12 which are mutually matched, the transverse guide rod part 10 and the transverse sliding rail 11 are arranged on the base 1 in parallel, and the transverse sliding block 12 is in sliding fit with the transverse sliding rail 11; the transverse sliding block 12 is provided with a longitudinal electric push rod and a longitudinal sliding rail 14, the longitudinal electric push rod comprises a longitudinal guide rod part 13 and a longitudinal sliding rail 15 which are mutually matched, the longitudinal guide rod part 13 and the longitudinal sliding rail 14 are arranged on the transverse sliding block 12 in parallel, and the longitudinal sliding rail 15 is in sliding fit with the longitudinal sliding rail 14; the platen 2 is fixed to the longitudinal slide 15.
The transverse electric push rod and the longitudinal electric push rod of the technical scheme are all of the conventional technical scheme, can be directly purchased and specifically comprise a trapezoidal screw rod type, a ball screw rod type, a planetary roller screw rod and the like, and therefore specific structures of the transverse electric push rod and the longitudinal electric push rod are not repeated here.
The technical scheme is mainly used for taking materials from hospital pathology, the transverse guide rod part 10 in the technical scheme is used for driving the platen 2 to transversely move, and the longitudinal guide rod part 13 is used for driving the platen 2 to longitudinally move; specifically, the transverse guide rod portion 10 is matched with the transverse slider 12, so as to drive the transverse slider 12 to move on the transverse guide rod portion 10, wherein the transverse sliding rail 11 is used for guiding the transverse slider 12, so that a longitudinal electric push rod and a longitudinal sliding rail 14 which are positioned on the transverse slider 12 can be driven to move transversely, the longitudinal guide rod portion 13 is matched with the longitudinal slider 15, so as to drive the longitudinal slider 15 to move on the longitudinal guide rod portion 13, and the longitudinal sliding rail 14 is used for guiding the longitudinal slider 15, so that a bedplate 2 positioned on the longitudinal slider 15 can be driven to move longitudinally. In summary, the movement of the two dimensions of the transverse direction and the longitudinal direction of the platen 2 can be realized under the cooperation of the transverse guide rod part 10 and the longitudinal guide rod part 13, after the sample is placed on the platen 2, if the position of the sample is not the optimal view finding interval, the sample can be moved to the optimal view finding interval by moving the platen 2, so that the sample is more suitable for remote material collection and more convenient.
As shown in fig. 2, the upper surface of the platen 2 is provided with a transverse reference line 3 and a longitudinal reference line 4 perpendicular to each other. So that the most appropriate viewing angle and reference can be quickly determined.
The bedplate 2 is a white frosted light-transmitting plate. So that better reflection of light is achieved, the contrast of the sample material is improved, and meanwhile, the frosted material can avoid too clean scene of reflection and interference pattern.
The lower surface of the platen 2 is provided with a backlight source 7. The brightness of the sample material is improved, the sample can be more clearly sampled, and the sample is more convenient by combining the frosted and transparent bedplate 2.
The backlight light source 7 is a lattice-type distributed light source. So as to provide auxiliary lighting more uniformly. The implementation uses led beads.
As shown in connection with fig. 4, the platen 2 is provided with an interlayer in which the backlight 7 is located. The backlight source 7 can be prevented from being disturbed by the outside, and is protected.
The upper surface of the interlayer is provided with a plurality of negative pressure holes 5, and the interlayer is communicated with a negative pressure device. The sample material can be adsorbed by negative pressure through the negative pressure hole 5, so that the movement in the process of collection is avoided, and the sampling is more facilitated.
The aperture of the negative pressure hole 5 is smaller than 1mm. The misleading of the image of the sample material caused by the too large aperture is avoided.
The interlayer is provided with a negative pressure window 8, and the negative pressure device is a negative pressure fan 9 arranged on the negative pressure window 8. The various vacuum holes 5 can be provided with vacuum by means of a vacuum device by means of an intermediate layer.
The sensor 6 for detecting the sample material in the middle of the platen 2 is electrically connected to the negative pressure fan 9 and the backlight source 7 respectively, and when the sensor 6 detects the sample material, the negative pressure fan 9 and the backlight source 7 are controlled to be started. Whether the sample is placed on the platen 2 or not is detected by the sensor 6, if the sample is detected, the negative pressure fan 9 is started to provide negative pressure, the sample is adsorbed, and the backlight source 7 is turned on to provide auxiliary illumination. The sensor 6 of the present embodiment employs a hall sensor.
In this embodiment the negative pressure fan 9, the backlight source 7 and the sensor 6 are located in the floor of the interlayer, i.e. the side facing away from the upper surface of the platen 2. Avoiding appearance of foreign objects in the viewfinder.
Through the horizontal and vertical removal of control appearance material that this scheme can be fine to remove the best section of finding a view with appearance material, utilize backlight 7 and negative pressure hole 5 simultaneously, on the one hand can be better adsorb on platen 2 with appearance material, on the other hand can provide auxiliary light source and make the sampling more clear.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.