CN220304944U - Sampling machine and misoperation prevention system thereof - Google Patents
Sampling machine and misoperation prevention system thereof Download PDFInfo
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- CN220304944U CN220304944U CN202321684519.7U CN202321684519U CN220304944U CN 220304944 U CN220304944 U CN 220304944U CN 202321684519 U CN202321684519 U CN 202321684519U CN 220304944 U CN220304944 U CN 220304944U
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- 238000005070 sampling Methods 0.000 title claims abstract description 24
- 230000002265 prevention Effects 0.000 title claims description 8
- 238000012545 processing Methods 0.000 claims abstract description 36
- 238000003754 machining Methods 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005520 cutting process Methods 0.000 description 5
- 238000003801 milling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of plastic sample manufacturing equipment, and provides a sampling machine and an anti-misoperation system thereof, wherein the sampling machine comprises a workbench, a sample processing module and a control main board, a plurality of sample clamps are arranged on one side of the workbench surface, facing the sample processing module, of the workbench, and the plurality of sample clamps are used for fixing a sample to be processed on the workbench; the sample processing module comprises a transmission mechanism and a cutter assembly arranged on the transmission mechanism, wherein the cutter assembly comprises a cutter and an infrared detector positioned at one side of the cutter, and the transmission mechanism drives the cutter and the infrared detector to synchronously move; the cutter and the infrared detector are electrically connected with the control main board, the infrared detector detects distance information between the cutter and the sample clamp, and the control main board is configured to control the cutter to stop machining operation according to the distance information. The utility model is used for solving the problem that the cutter or the clamp is easy to damage under the condition of misoperation or improper machining precision control of the sample making machine.
Description
Technical Field
The utility model relates to the technical field of plastic sample manufacturing equipment, in particular to a sampling machine and an anti-misoperation system thereof.
Background
Generally, before a pipe mechanical test is performed, a sample needs to be processed and prepared, the sample to be processed is usually fixed on a clamp (or a fixed pressing plate) of a workbench of a sampling machine, and the sample to be processed is cut and milled according to the edge of the clamp by utilizing a cutter, so that the sample with the same shape as the clamp is finally formed. However, in the conventional sampling machine, if an experimenter performs misoperation or operation precision is not accurate enough in the process of cutting and milling the sample, a cutter is easy to damage a clamp, and finally the cutter or the clamp is damaged, so that the preparation work of the sample cannot be normally performed.
Therefore, a new solution is needed to solve the above technical problems.
Disclosure of Invention
The utility model provides a sampling machine and an anti-misoperation system thereof, which are used for solving the problem that a cutter or a clamp is easy to damage under the condition of misoperation or improper machining precision control of the existing sampling machine.
The utility model provides a sampling machine, which comprises a workbench and a sample processing module, wherein the workbench and the sample processing module are oppositely arranged, the sample processing module is positioned above the workbench, one side of the workbench facing the sample processing module is provided with a plurality of parallel sample clamps which are arranged at intervals, and the plurality of sample clamps are used for fixing a sample to be processed on the workbench;
the sample processing module comprises a transmission mechanism and a cutter assembly arranged on the transmission mechanism, wherein the cutter assembly comprises a cutter and an infrared detector at least positioned at one side of the cutter, and the transmission mechanism drives the cutter and the infrared detector to synchronously move;
the sample making machine further comprises a control main board, the cutter and the infrared detector are electrically connected with the control main board, the infrared detector detects distance information between the cutter and the sample clamp, and the control main board is configured to control the cutter to stop machining operation according to the distance information.
According to the sampling machine provided by the utility model, the control main board comprises a comparison circuit, and when the infrared detector detects that the distance value between the cutter and the sample clamp is smaller than a preset threshold value, the comparison circuit outputs a high level; when the infrared detector detects that the distance value between the cutter and the sample clamp is greater than or equal to the preset threshold value, the comparison circuit outputs a low level;
the control main board is configured to control the tool to stop a machining operation when the comparison circuit outputs a high level, and to control the tool to perform a machining operation when the comparison circuit outputs a low level.
According to the sampling machine provided by the utility model, the sampling machine further comprises an alarm, wherein the alarm is electrically connected with the control main board, and the control main board is further configured to control the alarm to be started when the comparison circuit outputs a high level.
According to the sample making machine provided by the utility model, the infrared detector comprises an infrared emitter and an infrared receiver, wherein the infrared emitter is used for emitting infrared light, the infrared receiver is used for receiving the reflected infrared light, and the infrared detector is used for identifying whether the sample clamp is detected or not through the light intensity information of the infrared light received by the infrared receiver.
According to the sampler provided by the utility model, the cutter assembly further comprises a base, the cutter and the infrared detector are both arranged on the base, the infrared light emission direction of the infrared detector is parallel to the axial direction of the cutter, and when the infrared detector moves horizontally along with the cutter until the sample clamp is just detected, the distance value between the cutter and the sample clamp is smaller than a preset threshold value.
According to the sampling machine provided by the utility model, the preset threshold value is an absolute value of a process deviation between the edge of the standard sample manufactured under the fixation of the sample clamp and the edge of the sample clamp.
The utility model also provides an anti-misoperation system of the sampling machine, which comprises a workbench and a sample processing module arranged above the workbench, wherein one side of the workbench facing the sample processing module is provided with a plurality of parallel sample clamps which are arranged at intervals, and the sample processing module comprises a cutter and an infrared detector at least arranged at one side of the cutter; the anti-misoperation system comprises: the device comprises a control unit, a cutter driving unit and an infrared detection unit, wherein the cutter driving unit and the infrared detection unit are electrically connected with the control unit;
the infrared detection unit is configured to detect distance information between the cutter and the sample clamp in real time during processing operation, and feed back the distance information to the control unit;
the cutter driving unit is configured to drive the start and stop of the cutter according to the processing operation signal and the stop processing operation signal sent by the control unit;
the control unit is configured to send a machining-stop-operation signal to the tool driving unit according to the distance information to control the tool to stop a machining operation.
According to the anti-misoperation system of the sampling machine, the control unit comprises a comparison circuit subunit and a storage subunit, wherein the storage subunit stores a preset threshold value;
the comparison circuit subunit is configured to compare the magnitude between the distance value and the preset threshold according to the distance value between the cutter and the sample clamp detected by the infrared detection unit in real time, output a high level according to the comparison result that the distance value is smaller than the preset threshold, and output a low level according to the comparison result that the distance value is larger than or equal to the preset threshold;
the control unit is further configured to issue a machining operation stop signal to the tool driving unit when the comparison circuit subunit outputs a high level, and issue a machining operation signal to the tool driving unit when the comparison circuit subunit outputs a low level.
According to the misoperation prevention system of the sampling machine, which is provided by the utility model, the misoperation prevention system further comprises an alarm unit, wherein the alarm unit is electrically connected with the control unit, and the control unit is further configured to control the alarm unit to be started when the comparison circuit subunit outputs a high level.
According to the misoperation prevention system of the sampling machine, the infrared detection unit is further configured to acquire light intensity information of infrared light emitted by the infrared detector and reflected back to the infrared detector;
the infrared detection unit comprises a sample clamp identification subunit, and the sample clamp identification subunit is configured to identify whether the sample clamp is detected by the infrared detection unit at present according to the light intensity information of the infrared light acquired by the infrared detection unit and feed back the sample clamp to the control unit.
The technical scheme of the utility model has the following beneficial effects:
according to the sampling machine and the misoperation prevention system thereof, the infrared detector capable of synchronously moving along with the cutter is arranged on one side of the cutter, the cutter and the infrared detector are electrically connected with the control main board, the infrared detector is used for detecting distance information between the cutter and the sample clamp in real time, and when the cutter is about to damage the clamp due to misoperation or insufficient operation precision in the process of cutting and milling the sample by an experimenter, the control main board can control the cutter to stop processing operation according to the distance information detected by the infrared detector, so that the cutter can be early warned and timely shut down before collision of the cutter with the clamp, and damage to the cutter or the clamp due to collision of the cutter with the clamp is prevented.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural diagram of a sample making machine according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of an internal structure of a sample preparing room of a sample preparing machine according to an embodiment of the present utility model;
FIG. 3 is a top view of a bench of a sample making machine according to an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of an anti-misoperation system of a sample making machine according to an embodiment of the present utility model.
Reference numerals:
1. sample preparation room; 2. an alarm; 3. a key set; 4. a screen group; 11. a work table; 12. a sample holder; 13. a transmission mechanism; 14. a chip suction mechanism; 15. a cutter assembly; 151. a cutter; 152. an infrared detector; 153. a base; 16. a sample to be processed; 100. a control unit; 200. a cutter driving unit; 300. an infrared detection unit; 400. an alarm unit; 1001. a comparison circuit subunit; 1002. a storage subunit; 3001. the sample holder identifies the subunit.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 and 2, the present utility model provides a sample making machine, which includes a sample making room 1, wherein the sample making room 1 includes a workbench 11 and a sample processing module, the sample processing module is located above the workbench 11, the sample processing module includes a transmission mechanism 13, a chip sucking mechanism 14 and a cutter assembly 15, which are mounted on the transmission mechanism 13, the transmission mechanism 13 is used for driving the chip sucking mechanism 14 and the cutter assembly 15 to synchronously move, the cutter assembly 15 is mounted on a suction end of the chip sucking mechanism 14, which is close to one side of the workbench 11, the chip sucking mechanism 14 is disposed around the cutter assembly 15 and is used for sucking chips generated in the sample manufacturing process. Of course, in other embodiments of the utility model, the chip suction mechanism 14 may not be provided, i.e. the cutter assembly 15 is mounted directly on the transmission mechanism 13.
Referring to fig. 2 and 3, a plurality of parallel and spaced sample holders 12 are disposed on a side of the table 11 facing the sample processing module, and the plurality of sample holders 12 are used for fixing a plurality of samples 16 to be processed on the table 11. The cutter assembly 15 comprises a cutter 151 and an infrared detector 152 at least positioned on one side of the cutter 151, and the transmission mechanism 13 can drive the cutter 151 and the infrared detector 152 to synchronously move.
The sample making machine further comprises a control main board (not shown), and the cutter 151 and the infrared detector 152 are electrically connected with the control main board. The cutter 151 is used for processing the sample 16 to be processed, and the infrared detector 152 is used for detecting distance information between the cutter 151 and the sample holder 12 in real time and feeding back the distance information to the control main board. The control main board is configured to control the tool 151 to stop the machining operation according to the distance information. By adopting the design mode, when an experimenter damages the clamp 12 to the cutter 151 due to misoperation or insufficient operation precision in the process of cutting and milling the sample 16 to be processed, the control main board can control the cutter 151 to stop processing operation according to the distance information detected by the infrared detector 152, so that the cutter 151 can be early warned and timely shut down before the cutter 151 collides with the sample clamp 12, and the cutter 151 is prevented from colliding with the sample clamp 12 to damage the cutter 151 or the sample clamp 12.
Further, the control main board includes a comparison circuit, and when the infrared detector 152 detects that the distance value between the cutter 151 and the sample holder 12 is smaller than a preset threshold value, the comparison circuit outputs a high level; when the infrared detector 152 detects that the distance value between the cutter 151 and the sample holder 12 is greater than or equal to the preset threshold value, the comparison circuit outputs a low level. The control main board is configured to control the tool 151 to stop the machining operation according to the comparison circuit outputting the high level, and to control the tool 151 to perform the machining operation according to the comparison circuit outputting the low level.
The cutter assembly further comprises a base 153, the cutter 151 and the infrared detector 152 are mounted on the base 153, the infrared detector 152 is located on one side, close to the sample 16 to be processed, of the cutter 151, the infrared light emitting direction of the infrared detector 152 is parallel to the axial direction of the cutter 151, and when the infrared detector 152 moves horizontally along with the cutter 151 until the sample clamp 12 is just detected, the distance value between the cutter 151 and the sample clamp 12 is smaller than a preset threshold value. In other words, when the infrared detector 152 does not detect the sample holder 12, it indicates that the distance between the cutter 151 and the sample holder 12 is within the safe range.
In one embodiment of the present utility model, the preset threshold is: absolute value of process deviation between the edge of the standard specimen produced under the fixation of the specimen holder and the edge of the specimen holder.
The preset threshold value can be specifically determined according to the size of the standard sample. It will be appreciated that since the sample is machined to the contour of the sample holder 12, the size of the sample machined to the contour of the sample holder 12 will generally be slightly larger than the size of the sample holder 12 without damaging the sample holder 12, i.e., the edges of the machined sample will be beyond the edges of the sample holder 12, which is referred to herein as the process variation. The standard sample in the embodiment refers to a standard sample which is manufactured according to the contour of the sample holder 12 and meets the product specification and requirement without the cutter 151 contacting the sample holder 12.
Illustratively, the boundary of the standard specimen may be 0.1 mm-2 mm beyond the boundary of the specimen holder 12, and may specifically be 0.5 mm, 1 mm, or 1.5 mm.
Referring to fig. 1-3, the sample making machine further includes an alarm 2, the alarm 2 is electrically connected to the control main board, and the control main board is further configured to control the alarm 2 to be started according to the high level output by the comparison circuit. That is, when the infrared detector 152 detects that the distance value between the cutter 151 and the sample holder 12 is smaller than the preset threshold value, the control main board controls the cutter 151 to stop rotating, and at the same time controls the alarm 2 to issue an alarm to alert the worker.
In this embodiment, the sample 16 to be processed is made of plastic, and the sample holder 12 is made of steel. Infrared detector 152 includes an infrared emitter for emitting infrared light and an infrared receiver for receiving reflected infrared light. The transmittance of the plastic material and the metal material to the infrared light is different, the infrared light does not substantially penetrate the metal material, and a part of the infrared light penetrates the plastic material, so that the light intensity of the infrared light reflected by the plastic material sample to be processed 16 and the metal material sample holder 12 is different. Thus, the infrared detector 152 of the present embodiment can identify whether the sample holder 12 is detected or not by the light intensity information of the infrared light received by the infrared receiver.
Specifically, when the intensity of the reflected infrared light received by the infrared detector 152 is equal to the preset intensity value, the infrared detector 152 detects the sample holder 12, and when the intensity of the reflected infrared light received by the infrared detector 152 is smaller than the preset intensity value, the infrared detector 152 does not detect the sample holder 12.
The preset light intensity value is defined as a light intensity value obtained by reflecting infrared light by the sample holder 12 made of metal, and the preset light intensity value can be measured by an experimenter performing an infrared light reflection experiment on the sample holder 12 made of metal.
Further, the sample making machine further comprises a key set 3 for inputting instructions, the key set 3 is electrically connected with the control main board, and the transmission mechanism 13 is electrically connected with the control main board. The control main board is further configured to control the actuation of the transmission mechanism 13 and the infrared detector 152 according to the processing operation instruction of the key group 3.
Still further, the control main board is further configured to control the transmission mechanism 13 to stop moving according to the output of the comparison circuit at a high level.
In one embodiment, the sample making machine further comprises a screen set 4 for displaying various parameter information, and the screen set 4 is electrically connected with the control main board. Of course, the sample making machine may also include other conventional structures, such as a lighting device, etc., which are not described in detail herein.
In another embodiment of the present utility model, the infrared detector 152 is located on a side of the tool 151 away from the sample 16 to be processed, the infrared light emission direction of the infrared detector 152 is perpendicular to the axial direction of the tool 151, and when the infrared detector 152 moves vertically with the tool 151 to be able to detect the sample holder 12, the infrared detector 152 can detect the distance information between the tool 151 and the sample holder 12. When the infrared detector 152 detects that the distance value between the cutter 151 and the sample clamp 12 is smaller than a preset threshold value, the comparison circuit outputs a high level; when the infrared detector 152 detects that the distance value between the cutter 151 and the sample holder 12 is greater than or equal to the preset threshold value, the comparison circuit outputs a low level. The setting of the preset threshold is the same as that of the above embodiment, and will not be described here again.
Further, when the infrared light emitting direction of the infrared detector 152 is perpendicular to the axial direction of the tool 151, the infrared detector 152 may be a strip-shaped infrared detector disposed along the axial direction of the tool 151, so as to ensure that the infrared detector 152 can always detect the sample holder 12 during the processing of the sample 16 to be processed by the tool 151.
It will be appreciated that in all of the above embodiments, the periphery of the tool 151 may be provided with a plurality of the above-described infrared detectors 152 for omnidirectional detection.
According to the sample making machine provided by the utility model, the infrared detector 152 is arranged in the cutter assembly, the infrared detector 152 is electrically connected with the control main board of the sample making machine, the distance value between the cutter 151 and the sample clamp 12 is detected in real time by utilizing the infrared detector 152, when the distance value between the cutter 151 and the sample clamp 12 is smaller than the preset threshold value, the risk of damaging the sample clamp 12 is indicated to the cutter 151, at the moment, the control main board controls the cutter 151 to stop processing operation and controls the transmission mechanism 13 to stop moving, and meanwhile, the alarm 2 is controlled to give an alarm to prompt an experimenter.
The utility model also provides an anti-misoperation system of the sample making machine, referring to fig. 4, the anti-misoperation system comprises: the tool driving unit 200 and the infrared detection unit 300 are electrically connected with the control unit 100.
The infrared detection unit 300 is configured to detect distance information between the tool and the specimen holder in real time as the sampling machine performs the machining operation, and to feed back the distance information to the control unit 100. The tool driving unit 200 is configured to drive start and stop of the tool according to the machining operation signal and the stop machining operation signal issued by the control unit 100. The control unit 100 is configured to send a machining-stop signal to the tool driving unit 200 according to the above-described distance information, and the tool driving unit 200 controls the tool to stop the machining operation after receiving the machining-stop signal.
Further, the control unit 100 includes a comparison circuit sub-unit 1001 and a storage sub-unit 1002, where the storage sub-unit 1002 stores a preset threshold value. The setting of the preset threshold is consistent with the setting of the preset threshold in the above embodiment, and will not be described herein.
The comparison circuit sub-unit 1001 is configured to compare the magnitude between the distance value and a preset threshold value according to the distance value between the tool and the specimen holder detected by the infrared detection unit 300 in real time, and output a high level according to the comparison result that the distance value is smaller than the preset threshold value, and output a low level according to the comparison result that the distance value is greater than or equal to the preset threshold value.
The control unit 100 is further configured to issue a machining operation stop signal to the tool driving unit 200 according to the output of the high level by the comparison circuit subunit 1001, and issue a machining operation signal to the tool driving unit 200 according to the output of the low level by the comparison circuit subunit 1001. The tool driving unit 200 controls the tool to stop the machining operation after receiving the machining operation stop signal, and controls the tool to operate to perform the machining operation after receiving the machining operation stop signal.
When the anti-misoperation system is adopted in the sampling machine, when an experimenter damages a clamp if misoperation or insufficient operation precision is caused in the process of cutting and milling a sample to be processed, the control unit 100 can control the cutter to stop processing operation according to the distance information detected by the infrared detection unit 300, so that the cutter can be stopped in advance before colliding with the sample clamp, and the cutter is prevented from colliding with the sample clamp to damage the cutter or the sample clamp.
Further, the anti-misoperation system further comprises an alarm unit 400, wherein the alarm unit 400 is electrically connected with the control unit 100, and the control unit 100 is further configured to control the alarm unit 400 to be started according to the output of the comparison circuit subunit 1001. Therefore, early warning can be carried out when the distance value between the cutter and the sample clamp is smaller than a preset threshold value.
Further, the infrared detection unit 300 is further configured to acquire light intensity information of infrared light emitted by the infrared detector and reflected back to the infrared detector. The infrared detection unit 300 includes a specimen holder recognition subunit 3001, and the specimen holder recognition subunit 3001 is configured to recognize whether the specimen holder is currently detected by the infrared detection unit 300 based on the light intensity information of the infrared light acquired by the infrared detection unit 300, and feed back to the control unit 100. The specific principle of the infrared detection unit 300 for identifying the sample holder is the same as that of the infrared detector for identifying the sample holder by using the light intensity information in the above embodiment, and the description of the above embodiment is omitted herein.
In one embodiment, the infrared detection unit 300 may obtain the distance information between the tool and the sample holder by detecting (or identifying) the sample holder, i.e. when the infrared detection unit 300 just detects the sample holder, indicating that the distance value between the tool and the sample holder is smaller than the preset threshold, the tool is at risk of damaging the sample holder. When the infrared detection unit 300 does not detect the sample holder, it indicates that the distance between the tool and the sample holder is within a safe range.
In another embodiment, the infrared detection unit 300 may obtain the distance information between the tool and the sample holder by acquiring a time interval between infrared light emitted from the infrared detector to the sample holder and reflected back to the infrared detector by the sample holder, and when the distance value between the tool and the sample holder is smaller than a preset threshold value, the tool risks damaging the sample holder. And when the distance value between the cutter and the sample clamp is greater than or equal to a preset threshold value, indicating that the distance between the cutter and the sample clamp is within a safe range.
According to the sampling machine and the misoperation prevention system thereof, the infrared detector capable of synchronously moving along with the cutter is arranged on one side of the cutter, the cutter and the infrared detector are electrically connected with the control main board, the infrared detector is used for detecting distance information between the cutter and the sample clamp in real time, and when the cutter is about to damage the clamp due to misoperation or insufficient operation precision in the process of cutting and milling the sample by an experimenter, the control main board can control the cutter to stop processing operation according to the distance information detected by the infrared detector, so that the cutter can be early warned and timely shut down before collision of the cutter with the clamp, and damage to the cutter or the clamp due to collision of the cutter with the clamp is prevented.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. The sampling machine is characterized by comprising a workbench and a sample processing module which are oppositely arranged, wherein the sample processing module is positioned above the workbench, one side of the workbench, which faces the sample processing module, is provided with a plurality of parallel sample clamps which are arranged at intervals, and the plurality of sample clamps are used for fixing a sample to be processed on the workbench;
the sample processing module comprises a transmission mechanism and a cutter assembly arranged on the transmission mechanism, wherein the cutter assembly comprises a cutter and an infrared detector at least positioned at one side of the cutter, and the transmission mechanism drives the cutter and the infrared detector to synchronously move;
the sample making machine further comprises a control main board, the cutter and the infrared detector are electrically connected with the control main board, the infrared detector detects distance information between the cutter and the sample clamp, and the control main board is configured to control the cutter to stop machining operation according to the distance information.
2. The sample making machine according to claim 1, wherein the control main board includes a comparison circuit that outputs a high level when the infrared detector detects that a distance value between the tool and the sample holder is smaller than a preset threshold value; when the infrared detector detects that the distance value between the cutter and the sample clamp is greater than or equal to the preset threshold value, the comparison circuit outputs a low level;
the control main board is configured to control the tool to stop a machining operation when the comparison circuit outputs a high level, and to control the tool to perform a machining operation when the comparison circuit outputs a low level.
3. The sample making machine of claim 2, further comprising an alarm electrically connected to the control motherboard, the control motherboard further configured to control the alarm to activate when the comparison circuit outputs a high level.
4. The sample making machine of claim 1, wherein the infrared detector comprises an infrared emitter for emitting infrared light and an infrared receiver for receiving the reflected infrared light, and wherein the infrared detector is configured to recognize whether the sample holder is detected by light intensity information of the infrared light received by the infrared receiver.
5. The sample making machine of claim 1, wherein the cutter assembly further comprises a base on which the cutter and the infrared detector are mounted, the infrared detector having an infrared light emission direction parallel to an axial direction of the cutter, and wherein when the infrared detector moves horizontally with the cutter to just detect the sample holder, a distance value between the cutter and the sample holder is less than a preset threshold.
6. The sample preparation machine according to claim 5, wherein the preset threshold is an absolute value of a process deviation between an edge of a standard sample prepared under fixation of the sample holder and an edge of the sample holder.
7. The misoperation prevention system of the sampling machine is characterized by comprising a workbench and a sample processing module arranged above the workbench, wherein one side of the workbench facing the sample processing module is provided with a plurality of parallel sample clamps arranged at intervals, and the sample processing module comprises a cutter and an infrared detector at least arranged at one side of the cutter; the anti-misoperation system comprises: the device comprises a control unit, a cutter driving unit and an infrared detection unit, wherein the cutter driving unit and the infrared detection unit are electrically connected with the control unit;
the infrared detection unit is configured to detect distance information between the cutter and the sample clamp in real time during processing operation, and feed back the distance information to the control unit;
the cutter driving unit is configured to drive the start and stop of the cutter according to the processing operation signal and the stop processing operation signal sent by the control unit;
the control unit is configured to send a machining-stop-operation signal to the tool driving unit according to the distance information to control the tool to stop a machining operation.
8. The anti-misoperation system of the sample making machine according to claim 7, characterized in that the control unit comprises a comparison circuit subunit and a storage subunit, wherein the storage subunit stores a preset threshold value;
the comparison circuit subunit is configured to compare the magnitude between the distance value and the preset threshold according to the distance value between the cutter and the sample clamp detected by the infrared detection unit in real time, output a high level according to the comparison result that the distance value is smaller than the preset threshold, and output a low level according to the comparison result that the distance value is larger than or equal to the preset threshold;
the control unit is further configured to issue a machining operation stop signal to the tool driving unit when the comparison circuit subunit outputs a high level, and issue a machining operation signal to the tool driving unit when the comparison circuit subunit outputs a low level.
9. The anti-misoperation system of the sample making machine according to claim 8, characterized in that the anti-misoperation system further comprises an alarm unit, wherein the alarm unit is electrically connected with the control unit, and the control unit is further configured to control the alarm unit to be started when the comparison circuit subunit outputs a high level.
10. The anti-misoperation system of the sample making machine according to claim 7, wherein the infrared detection unit is further configured to acquire light intensity information of infrared light emitted by the infrared detector and reflected back to the infrared detector;
the infrared detection unit comprises a sample clamp identification subunit, and the sample clamp identification subunit is configured to identify whether the sample clamp is detected by the infrared detection unit at present according to the light intensity information of the infrared light acquired by the infrared detection unit and feed back the sample clamp to the control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321684519.7U CN220304944U (en) | 2023-06-29 | 2023-06-29 | Sampling machine and misoperation prevention system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321684519.7U CN220304944U (en) | 2023-06-29 | 2023-06-29 | Sampling machine and misoperation prevention system thereof |
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| CN220304944U true CN220304944U (en) | 2024-01-05 |
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| CN202321684519.7U Active CN220304944U (en) | 2023-06-29 | 2023-06-29 | Sampling machine and misoperation prevention system thereof |
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| CN (1) | CN220304944U (en) |
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2023
- 2023-06-29 CN CN202321684519.7U patent/CN220304944U/en active Active
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