CN113125651A - Sample scanning auxiliary device applied to transmission line - Google Patents
Sample scanning auxiliary device applied to transmission line Download PDFInfo
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- CN113125651A CN113125651A CN202110410432.XA CN202110410432A CN113125651A CN 113125651 A CN113125651 A CN 113125651A CN 202110410432 A CN202110410432 A CN 202110410432A CN 113125651 A CN113125651 A CN 113125651A
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- sample holder
- sample
- driving
- stopping
- arm
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Abstract
The invention discloses a sample scanning auxiliary device applied to a transmission line, which solves the problems that the transmission efficiency of the existing sample is not high during code scanning, the integration level of the transmission line is not high enough, and the structure of the auxiliary code scanning is complex and inconvenient to maintain, and comprises a clamping rotating mechanism and a stopping mechanism for stopping a sample holder, wherein the stopping mechanism and the clamping rotating mechanism are sequentially arranged at intervals along the transmission direction of the sample holder, the clamping rotating mechanism comprises a top extension component and a driving component which are arranged at two sides of the transmission line, the top extension component is provided with two guide ends which are arranged at intervals, the driving component is provided with a driving end, and the driving end is arranged between the two guide ends in the transmission direction, under the effect of the top extension assembly, the sample support is clamped between the guide end and the driving end, the driving end drives the sample support to rotate around the axis of the sample support, and when the retraction action of the top extension assembly starts, the stopping mechanism releases the sample support. The invention has the advantages of convenient maintenance, transmission efficiency guarantee during code scanning, convenient integration and the like.
Description
Technical Field
The invention relates to the technical field of medical tool transmission, in particular to a sample scanning auxiliary device applied to a transmission line.
Background
The automatic transmission of medical tools is an application of an automatic logistics transmission system, including drug transmission, medical instrument transmission and sample transmission, and the transmission modes are also various, the most common is a rail trolley, and the second is a transmission system combining pneumatic transmission, pneumatic transmission and the rail trolley. Wherein, in the transmission to the sample, medical personnel can place the sample in specific container generally after the sampling, the sample holds in the palm promptly, the outline is the cylinder generally, it is used for placing the sample to go up the bottom surface opening, the sample holds in the palm to be one kind can with taking drive track complex frock, the sample holds in the palm down the bottom surface and advances through static friction after the drive belt contacts, the axle body outer wall that the sample held in the palm and track sliding connection do not take place to empty with the assurance sample in transmission process, then do the mark on the sample, and in automatic logistics system, often can adopt the mode of sweeping the sign indicating number to be information acquisition in order to guarantee the exactness of system operation, high efficiency, security to the sample.
The method comprises the steps that a belt transmission mode is adopted to transmit samples before sample storage, the sample support is driven by static friction force of a transmission belt and a tool through a sample support and a matched track to realize transmission, and sample information needs to be input or corrected through code scanning by a transmission system before or after the samples are put in or taken out of a warehouse.
In the code scanning process, the samples are generally coaxially arranged in the sample tray, and because the postures of the samples are random, namely the direction opposite to the codes on the samples is uncertain, and the scanning direction of the code scanning equipment is fixed, the transmission system needs to search the codes before code scanning and inputting. The existing transmission line does not have a device for searching and scanning codes for a transmission body, but generally 1, when the transmission body reaches a code scanning area, a transmission system is in standby state, and a driving device drives the transmission body to rotate so that the codes are just opposite to code scanning equipment for scanning the codes. 2. And a stopping mechanism is independently arranged below or above the transmission line, and when the transmission body reaches the code scanning area, the transmission body is stopped, and code searching and code scanning are carried out on the transmission body. Among the aforesaid, transmission efficiency greatly reduced is made to first kind mode, and second kind mode structure is more complicated, need change transmission track structure itself usually, and the cost is great, be difficult to maintain, and needs carry out the integrated occasion of transmission route, and the occupation of second kind mode to the space is also great for the integration degree of difficulty increases.
Disclosure of Invention
The invention aims to solve the technical problems of ensuring the transmission efficiency of a sample support and the integration level of a transmission line on the basis of ensuring the function of effectively scanning codes, and realizing the convenient maintenance of a code searching device, and aims to provide a sample scanning auxiliary device applied to the transmission line.
The invention is realized by the following technical scheme:
a sample scanning auxiliary device applied to a transmission line comprises a clamping rotating mechanism and a stopping mechanism, wherein the stopping mechanism and the clamping rotating mechanism are sequentially arranged at intervals along the transmission direction of a sample holder, the stopping mechanism is used for stopping the sample holder, the clamping rotating mechanism comprises a jacking component and a driving component, the jacking component is provided with two guide ends arranged at intervals, the connecting line of the two guide ends is parallel to the transmission direction of the sample holder, the driving component is provided with at least one driving end, the guide ends and the driving ends are respectively positioned at two sides of the transmission line, the driving end is positioned in the middle of the two guide ends along the transmission direction, under the jacking action of the jacking component, the guide ends are driven to do jacking motion so that the sample holder is clamped between the guide ends and the driving ends, and the driving ends are used for driving the sample holder to rotate around the axis of the sample holder so that the code bar information of the sample holder can be over against a code scanning device, when the retraction action of the jacking assembly is started, the stopping mechanism releases the sample holder so that the sample holder is conveyed to a station where the clamping and rotating mechanism is located.
In the invention, the sample holder is generally arranged in a specific tool, and the stopping mechanism is arranged in front of the clamping and rotating mechanism, so that the stopping mechanism can be understood as a feeding device of the clamping and rotating mechanism. When the sample support is transmitted to the stopping mechanism through the transmission belt, the stopping mechanism works to enable the sample support to be static relative to the track of the transmission belt, at the moment, the stopping mechanism supplies materials to the clamping and rotating mechanism, the stopping mechanism supplies a sample support for the rotating and clamping mechanism once, when the sample support reaches the clamping and rotating mechanism, the jacking and extending device in the clamping and rotating mechanism carries out jacking and extending, the sample support is clamped between the guide end and the drive end, the tool is driven to rotate through the drive end, namely, the sample support rotates around the long axis of the sample support, and when the code on the sample support is just opposite to the scanning direction of the scanning equipment, code scanning can be completed. The top extension component and the driving component in the clamping and rotating mechanism are respectively arranged on two sides of the track, so that the two components can be respectively used as two small assemblies, the blocking mechanism can be independently used as one small assembly, the connection between each small assembly and the track is not limited, no specific requirement is required on the structure of the track, and the relative position is ensured. Due to the arrangement of the stopping mechanism, the sample support after the code scanning can be continuously transmitted, the accumulation of the sample support at the clamping and rotating mechanism can not be caused, and the transmission efficiency of the sample support is ensured. Meanwhile, the clamping rotating mechanism and the stopping mechanism are arranged, the structure of the rail is not required, so that the rail clamping device is free of machining during installation, the assembly cost with the rail is low, the design process can be simplified, and the design cost is reduced.
Preferably, the jack assembly has a stopper arm for stopping the sample holder, and when the sample holder is in contact with the stopper arm, the axis of the sample holder is located between the two guide ends in the transport direction of the sample holder. When the sample support is transmitted to the clamping and rotating mechanism, the sample support can be blocked by the blocking arm, necessary response time is strived for a transmission system at the moment, clamping precision is improved, meanwhile, compared with the situation that the blocking arm is not arranged, the control precision requirement of the clamping and rotating mechanism is reduced, the possibility of system fault reporting is reduced, and the clamping and rotating mechanism is prevented from being empty.
Further, the guide end is a guide wheel, the driving end comprises a driving shaft and a driving wheel matched with the shaft hole on the driving shaft, the driving wheel is in contact with the outer side wall of the sample holder to provide rolling friction force for the sample holder in the clamped state of the sample holder, and the sample holder rotates around the axis of the sample holder under the action of the rolling friction force. When the sample holds in the palm by the centre gripping between leading wheel and drive wheel, two leading wheels have realized the three point location that the sample held in the palm with the drive wheel, improve the positioning accuracy that the sample held in the palm, select the leading wheel of design as the initiative piece in the centre gripping action simultaneously, make the sample hold in the palm at first with two leading wheels contact, the interval of two leading wheels sets up the displacement of restriction sample support in the transmission direction of certain degree, thereby the effect of first location has been played, positioning accuracy has been guaranteed, the centre gripping efficiency has also been improved simultaneously.
Further, the sample hold in the palm with when keeping off the arm contact, follow the axis direction's of sample support visual angle, the axis of two guide ends with the axis's of sample support contained angle is 90 ~ 140, the summit of contained angle is located the axis of sample support. When the two guide ends contact the sample holder, two contact points are arranged between the guide ends and the sample holder, and at the moment, a central angle corresponding to an arc between the two guide ends (the arc is an arc taking the two contact points as end points) is 90-140 degrees, and the central angle is the included angle. The definition of the angle thus determines the distance between the two guide ends, which is, of course, based on the diameter of the sample holder, and which can also be adjusted on the basis of the guaranteed angle when the diameter of the sample holder changes. In the process of jacking and extending the guide ends, when the distance between the contact points of the two guide ends and the sample holder is too small, the axis of the sample holder is easy to incline relative to the belt surface of the transmission belt, at the moment, an interaction force exists between the transmission belt and the sample holder, and an interaction force is generated at the matching part of the sample holder and the transmission rail, after the sample holder is clamped, the sample holder is easy to clamp on the rail, and a sliding friction is formed between the transmission belt and the sample holder to cause mutual abrasion, so the lower limit value of the central angle is preferably set to be 90 degrees, but the central angle cannot be too large, when the central angle is too large, the distance between the guide ends is closer to the space between the sample holders, after the clamping is carried out, the contact part of the guide ends and the sample holder is slightly elastically deformed, so that the static friction is too large, and the sample holder is clamped between the two guide ends, meanwhile, since a certain resistance is formed during the rotation of the sample holder, the upper limit of the central angle is preferably 140 °.
Further, when the sample support is in contact with the baffle arm, the axis of the sample support has a vertical distance of at least 0.05mm from the driving end, and the sample support is positioned between the driving end and the baffle arm. When the sample support is clamped between the two guide ends and the driving end, the arrangement of the guide ends and the driving end forms an isosceles triangle due to the relative position relationship of the guide ends and the driving end, and the axis of the sample support can always penetrate through the centroid of the isosceles triangle. When the vertical distance exists, namely on the vertical bisector of the connecting line of the guide ends, the sample support is eccentric to the driving end, and in the process of driving the jacking and extending assembly to jack and extend, after the guide ends are contacted with the sample support, the axis of the sample support can automatically translate to the vertical bisector of the connecting line of the two guide ends, and the sample support is clamped after being contacted with the driving end. At the moment, due to the fact that the sample support is horizontally moved in the jacking process, a distance exists between the sample support and the blocking arm, friction between the sample support and the blocking arm in the rotating process can be avoided due to the existence of the distance, the smoothness of the sample support in the rotating process is guaranteed, meanwhile, the sample support and the blocking arm are prevented from being abraded mutually, the size precision of the sample support is guaranteed, and the positioning precision of the sample support is guaranteed. The inventors have found in practical experiments that this vertical separation is at least 0.05 mm.
Further, the vertical spacing is less than
And a is a complementary angle of an included angle formed by a contact point of the guide end and the sample support, an axis of the sample support and the contact point of the blocking arm and the sample support when the sample support is contacted with the blocking arm, and R is the radius of the sample support. When the vertical distance is too large, the sample support may not be changed in position relative to the blocking arm during the top extension process of the top extension assembly, that is, the axis of the sample support does not automatically translate, and at the moment, the sample support can still be clamped, and the clamping executing parts are the blocking arm, the driving end and the guiding end close to the blocking arm, which is obviously not the expected clamping condition. When the sample support is contacted with the baffle arm, one tangent point exists, when the sample support is extended and extended, another tangent point exists between the guide end which is firstly contacted with the sample support and the sample support, the two tangent points form an included angle by taking the axial line of the sample support as a vertex, and the experiment proves that the axial line of the sample support can automatically translate when the included angle is less than 45 degrees,and the smaller the angle, the easier said automatic translation occurs. Therefore, the angle of 45 ° can be used as an upper limit value of the automatic translation occurrence condition, when the sample holder is clamped, the position of the tangent point of the first contacted guide end and the sample holder changes relative to the sample holder, and the distance between the two tangent points in the transmission direction is the distance of the automatic translation of the axis of the sample holder, namely the distance of the two tangent points in the transmission direction
Further, the included angle is 110 °. Just as aforementioned, the sample holds in the palm when the contained angle undersize and takes place the slope easily, the contained angle is when 90 ~ 110 between, the sample holds in the palm the not slope on the nonideal, only along with the increase of contained angle, the slope degree is lower and lower, the sample holds in the palm easy card when the contained angle is too big between the leading end, when the contained angle is between 110 ~ 140, the sample holds in the palm the smooth of nonideal too when rotatory between the leading end, only along with reducing of contained angle, the sample holds in the palm and is held in the leading end and lower, set up the contained angle to 110 when, can reach the slope of low degree, can reach the card of low degree again, to transmission system, this 110 contained angle is ideal contained angle.
Further, when the sample holder is clamped between the guide end and the driving end, on a projection along the transmission direction, a distance between one end of the telescopic arm close to the driving assembly and an axis of the sample holder is 0.3R-0.66R, wherein R is a radius of the sample holder. The distance setting in this scheme is in order to guarantee that aforementioned contained angle is when 90 ~ 140 between, keeps off the arm and can effectively support and keep out the sample support, and when the distance was too little, keeps off the arm and stretches the in-process at the top, and its tip is held in the palm the sample easily and is caused destruction, and when the distance was too big, keeps off the arm and is holding in the palm the in-process to release to the sample and roll back the distance and increase, can increase undoubtedly and push up the whole space that stretches the subassembly and occupy, is unfavorable for the integration of transmission line.
Further, the top extension assembly comprises a driving arm and a buffer mechanism, the buffer mechanism is provided with a first end used for being connected with a power source and a second end connected with the driving arm, the driving arm drives the guide end to carry out top extension or retraction movement under the driving of the power source, and when the guide end extends out of a limit distance, the buffer mechanism provides buffer force for the power source. When the sample holds in the palm by the centre gripping between spigot and drive end, still need certain clamping-force to make sample hold in the palm and the drive end between have sufficient pressure, the spigot still need stretch some distances forward promptly, in the actual process, the driving source is along with the increase of live time, accumulative error can appear, when the error exceeds the distance that the spigot can stretch in many tops, the spigot then can take place to offside, the top stretches out preset distance, at this moment, the cushioning effect through buffer gear is used for offsetting the top that exceeds that this error caused and stretches the distance, prevent that pressure between spigot and the sample holds in the palm too big and harm sample and hold in the palm.
Furthermore, buffer gear includes mounting and moving part, the moving part with the mounting passes through the elastic component and is connected, the moving part still with the actuating arm is connected so that the actuating arm drives the moving part motion. In this scheme, the connection relation of the fixing piece is not limited, that is, as long as the fixing piece realizes the function of fixing all the time, the setting position and the connection mode of the fixing piece may not be limited, for example, the fixing piece may be fixedly connected with the transmission track, and the fixing piece may also be a component which is relatively stationary relative to the transmission track in the jacking and extending assembly. When the sample support is clamped between the guide end and the driving end, the guide end continues to be jacked and extended to provide further clamping force, the elastic piece is elastically deformed, the further clamping force is directly provided by the elastic piece, and the force provided by the elastic piece is moderate, so that the sample support or the guide wheel is prevented from being mutually worn due to rigid impact.
Preferably, keep off that mechanism includes that fixed part, swinging boom and two parallel intervals set up keeps off the arm, keep off stop the arm with fixed part sliding connection, keep off and stop the arm and follow for the slip direction of fixed part keep off the major axis of stopping the arm, the swinging boom has two cooperation portions, and two cooperation portions stop arm sliding connection with two fender respectively, the cooperation portion is perpendicular to for keeping off the slip direction that stops the arm keep off the major axis of stopping the arm, when the swinging boom is rotatory, keep off and stop the arm for the fixed part slides. The power source demand of only making to keep off the mechanism through the setting of this structure just can be realized, has reduced the space promptly and has occupied, has saved the cost again, and two actions that keep off the stop arm all are the simultaneous execution, when preceding sample holds in the palm and is released, and the back sample holds in the palm and is blockked promptly, and the execution accuracy is high, and control is simple.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the invention relates to a sample scanning auxiliary device applied to a transmission line, wherein independent functional units are respectively formed by a jacking component and a driving component in a blocking mechanism and a clamping rotating mechanism, and the automatic code scanning of a sample holder is realized by the position and action relationship of each functional unit.
2. The sample scanning auxiliary device applied to the transmission line has the advantages that the structures of all the functional units can be independent, the installation is flexible as long as the corresponding relation between the guide end and the driving end is met, and the sample scanning auxiliary device can be directly applied to a highly integrated transmission system, namely when the sample scanning auxiliary device is applied to the transmission system, the integration level of the transmission line can be ensured.
3. According to the sample scanning auxiliary device applied to the transmission line, the arrangement of the stopping mechanism and the functional matching of the stopping mechanism and the clamping rotating mechanism enable the sample holder to enter the station where the clamping rotating mechanism is located in order, and the scanning efficiency and the transmission efficiency of the sample holder are guaranteed.
4. The sample scanning auxiliary device applied to the transmission line has the advantages that the clamping rotating mechanism and the stopping mechanism are arranged, the structure of the track is not required, the sample scanning auxiliary device is free of machining during installation, the assembly cost with the track is low, the design process can be simplified, and the design cost is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of the present invention.
Fig. 3 is a schematic partial structure diagram of an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of an embodiment of the present invention.
Fig. 7 is an auxiliary schematic view of an embodiment of the present invention.
Fig. 8 is an auxiliary schematic view of an embodiment of the present invention.
Reference numbers and corresponding part names in the drawings:
1-gear stop mechanism, 11-gear stop arm, 111-first gear stop arm, 112-second gear stop arm, 12-T-shaped rod, 13-connecting plate, 14-sliding table, 15-sliding rail, 16-third sensor, 17-gear stop power source, 18-detecting arm, 19-sliding strip hole, 2-top extension component, 21-guiding end, 22-gear stop arm, 23-swinging arm, 24-limiting block, 25-sliding groove, 26-sliding block, 27-sliding groove, 28-first sensor, 29-second sensor, 201-top extension power source, 202-fixing block, 203-spring, 3-driving component, 31-driving end, 4-sample holder, 5-rail, 6-driving belt, 7-gear stop sensor, 8-scanning device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Examples
A sample scanning auxiliary device applied to a transmission line is disclosed, as shown in fig. 1 and fig. 2, and comprises a clamping rotating mechanism and a stopping mechanism 1, wherein the stopping mechanism 1 and the clamping rotating mechanism are sequentially arranged at intervals along the transmission direction of a sample holder 4, the stopping mechanism 1 is used for stopping the sample holder 4, the clamping rotating mechanism comprises a jacking component 2 and a driving component 3, the jacking component 2 is provided with two guide ends 21 arranged at intervals, the connecting line of the two guide ends 21 is parallel to the transmission direction of the sample holder 4, the driving component 3 is provided with at least one driving end 31, the guide ends 21 and the driving end 31 are respectively arranged at two sides of the transmission line, the driving end 31 is arranged in the middle of the two guide ends 21 along the transmission direction, under the jacking action of the jacking component 2, the guide ends 21 are driven to do jacking motion so that the sample holder 4 is clamped between the guide ends 21 and the driving end 31, the driving end 31 is used for driving the sample holder 4 to rotate around the axis of the sample holder 4 so that the bar code information of the sample holder 4 can be over against a bar code scanning device, and when the retraction action of the jacking assembly 2 starts, the stopping mechanism 1 releases the sample holder 4 so that the sample holder 4 is transmitted to a station where the clamping and rotating mechanism is located.
Specifically, referring to fig. 1, an arrow in the figure indicates a conveying direction of a sample, the stopping mechanism 1 is fixedly connected with the track 5, the stopping mechanism 1 extends out of the stopping arm 11 in a direction perpendicular to the conveying direction, a telescopic mechanism is arranged inside the stopping mechanism 1, the stopping arm 11 is connected with the telescopic mechanism, the telescopic mechanism drives the stopping arm 11 to move most telescopically in the direction perpendicular to the conveying direction, so that a selective stopping function is realized, and when the sample holder 4 is in contact with the stopping arm 11, the stopping mechanism 1 realizes the stopping function. The clamping and rotating mechanism is divided into a top extension assembly 2 and a driving assembly 3, the top extension assembly 2 is fixedly connected with the track 5, a top extension structure is arranged inside the top extension assembly 2, the top extension structure is connected with two guide ends 21, the two guide ends 21 do telescopic motion along the direction perpendicular to the transmission direction under the action of the top extension structure, the two guide ends 21 are respectively arranged into guide wheels, the axes of the two guide wheels are perpendicular to the surface of the transmission belt 6, and a blocking arm 22 is further arranged on the front guide end 21 along the transmission direction. On the opposite side of the track 5 with the top-extending component 2, a driving component 3 is fixedly connected, a driving end 31 is arranged on the driving component 3, the driving end 31 is set as a driving wheel, and the driving wheel is driven by a motor in the driving component 3 to rotate. The driving end 31 is located in the middle of the two guide ends 21 in the conveyance direction of the specimen.
When the sample holder 4 is in contact with the baffle arm 22, the pushing and extending assembly 2 drives the guide end 21 to extend until the sample holder 4 is clamped between the two guide ends 21 and the driving end 31, the driving wheel in the driving assembly 3 is driven by the motor to rotate, and due to the arrangement of the guide end 21, the sample holder 4 is allowed to rotate relative to the guide end 21, sliding friction is generated between the driving wheel and the sample support 4, the sample support 4 is driven to rotate by the sliding friction, at the moment, the orientation of a code bar on the sample can be any angle in the circumferential direction, when the orientation of the code bar is aligned with the scanning direction of the scanning device 8, code bar information is scanned, at the moment, the jacking and extending assembly 2 is driven to enable the guide end 21 to retreat until the blocking arm 22 does not block the sample, the scanned sample is continuously transmitted, and the clamping and rotating mechanism enters the clamping and rotating preparation state again to wait for the arrival of the next sample.
In this embodiment, the stopping manner of the stopping arm 11 is not limited to telescoping, but may be a structure in which the stopping arm 11 rotates around one end thereof; it is also possible to arrange the stop arm 11 with a certain width and to mount it transversely above the belt 6, and to let through or block the sample by rotating the stop arm 11. The guide end 21 is not limited to a guide wheel, a bearing and a universal ball, and the guide end 21 may also be an arc surface coated with teflon. The driving end 31 is set as a driving wheel, the selected material of the driving wheel is preferably rubber with a good friction coefficient, the selected material of the driving wheel can be adjusted according to different materials of the sample support 4, rolling friction is generated between the selected material of the driving wheel and the sample support 4 by rotating, and the driving wheel rotating around the sample support 4 by the rolling friction can be equal to the driving wheel in the embodiment. The arm 22 in this embodiment is not necessarily required, and the sample holder 4 can be held between the driving end 31 and the guiding end 21 by adjusting the proper protruding timing and protruding speed of the guiding end 21. However, the clamping method has high requirements on the control accuracy of the jacking mechanism and high cost. The arrangement of the stop arm 22 substantially strives for enough time for the jacking and extending of the jacking and extending mechanism, so that the jacking and extending mechanism can clamp the sample in a relatively static state, the clamping precision is ensured, and meanwhile, whether the clamping is successful or not is irrelevant to the jacking and extending speed and time, and the safety of the system, namely the function execution correctness is improved.
In one possible embodiment, referring to fig. 1 and 2, when the sample holder 4 is clamped between the two guide ends 21 and the driving end 31, the axes of the two guide ends 21 and the axis of the sample holder 4 form an included angle in the range of 90-140 °, and the apex of the included angle is located on the axis of the sample holder 4. The included angle range here needs to adjust the distance between the guide ends 21 according to the difference of the sample holders 4, when the diameter of the sample holder 4 is larger, the distance between the two guide ends 21 is slightly larger, and when the diameter of the sample holder 4 is smaller, the distance between the two guide ends 21 is slightly smaller. In addition, the contact point between the guide end 21 and the sample holder 4 can be changed by replacing the guide end 21 with different diameters, so that the purpose of adjusting the included angle is achieved. In practice, the diameter of the sample holder 4 is an uncertain value due to the factors of the track 5 and the sample, so the distance between the guide ends 21 is not limited here, and those skilled in the art can adjust the proper distance between the two guide ends 21 according to the included angle range, and details are not repeated here.
In one possible embodiment, referring to fig. 1 and 2, when the sample holder 4 is in contact with the arm 22, the axis of the sample holder 4 is vertically spaced from the driving end 31 by at least 0.05mm, and the axis of the sample holder 4 is now between the driving end 31 and the arm 22. Referring to fig. 1, it will be understood that the axis of the sample holder 4 has an upward eccentricity of at least 0.05mm relative to the drive end 31 when the sample holder 4 is in contact with the arm 22. When the sample holder 4 is held by the guide end 21, the axis of the sample holder 4 can be always pushed back to the state of passing through the centroid of the triangle formed by the guide end 21 and the driving end 31, at this time, in the transmission direction, the sample holder 4 is equivalent to a section of downward (shown in the figure) displacement, the displacement is the eccentric distance, at this time, a distance with the size of the eccentric distance is formed between the sample holder 4 and the blocking arm 22, and the sample holder 4 is ensured not to be in contact with the blocking arm 22 during rotation. In an actual implementation process, the distance between the blocking arm 22 and the sample holder 4 can be adjusted after the sample holder 4 is clamped at the guide end 21, and the position of the sample holder 4 relative to the guide end 21 follows the diameter of the sample holder 4, so that the distance is not limited herein, but preferably, the blocking arm 22 is preferably connected with the guide end 21 so that the telescopic state of the blocking arm 22 and the guide end 21 is synchronous, and the specific shape of the blocking arm 22 may be a short rod, and the distance between the axis of the short rod and the axis of the guide end 21 can be adjusted by a person skilled in the art according to the vertical distance provided above in the state that the sample holder 4 is clamped, and details are not described herein.
Further, the vertical spacing is smaller than
Wherein a is a complementary angle of an included angle formed by a contact point of the guide end 21 and the sample holder 4, an axis of the sample holder 4 and a contact point of the blocking arm 22 and the sample holder 4 when the sample holder 4 is contacted with the blocking arm 22, and R is a radius of the sample holder 4. Referring specifically to fig. 8, the dashed line is shown as the state of the guide end 21 contacting the sample holder 4 after the pushing. Under the condition that the eccentricity exists, the distance of the eccentricity cannot be overlarge, when the eccentricity is overlarge, the included angle formed by the contact point of the guide end 21 and the sample support 4, the axis of the sample support 4 and the contact point of the baffle arm 22 and the sample support 4 is larger than 45 degrees, at the moment, the guide end 21 can drive the sample support 4 to move in the vertical transmission direction in the jacking and extending process, and at the moment, the sample support 4 is easily clamped between the baffle arm 22, one guide end 21 and the driving end 31. Assuming that the process of the sample holder 4 being clamped between the guide end 21 and the drive end 31 is called aligning, the contact points of the two guide ends 21 with the sample holder 4, the sample holder, are after aligningThe axis of 4 forms an angle of at least 90, which is the lower limit of the angle mentioned above. The maximum distance that the sample holder 4 can be translated in the transport direction before and after the return alignment is the maximum distance
I.e. after aligning, the two guide ends 21 form an angle of 90 ° with the axis of the sample holder 4 at the contact point of the sample holder 4. In fig. 8, the included angles formed by the contact points of the two aligning guide ends 21 and the sample holder 4, the axis of the sample holder 4 and the contact point of the baffle arm 22 and the sample holder 4 are 20 ° and 35 °, respectively, and when the sample holder 4 is aligned, the included angles formed by the contact points of the two guide ends 21 and the sample holder 4 and the axis of the sample holder 4 are 90 °, and then the displacements corresponding to the sample holder 4 are L2 and L1, respectively, it can be seen that when the values of L1 and L2 are reduced, the change of the included angles before and after aligning is relatively small. In practical implementation, the spacing value may be deduced inversely according to the angle requirement after aligning, and the determined spacing is (sin a-sin b) × R, where b is half of the angle formed by the contact points of the two guiding ends 21 and the sample holder 4 and the axis of the sample holder 4 after aligning.
Further, as a preferred embodiment, when the sample holder 4 is clamped, the two guide ends 21 form an included angle of 110 ° with the axis of the sample holder 4 at the contact point of the sample holder 4.
Further, in a possible embodiment, as shown in fig. 1 and 7, when the sample holder 4 is clamped between the guiding end 21 and the driving end 31, in a projection along the conveying direction, a distance between one end of the telescopic arm close to the driving assembly 3 and an axis of the sample holder 4 is 0.3R to 0.66R, where R is a radius of the sample holder 4. The sample holder 4 corresponds to the fourth state in fig. 7 when it is held. After the sample is scanned, the arm 22 needs to be retracted, and at this time, the arm 22 needs not to interfere with the sample holder 4, i.e. the first state in fig. 7, and when the sample holder 4 is in use, the arm 22 needs to block the sample holder 4, and the guide end 21 needs to be retracted to the sample holder 4, i.e. the third state, and under the condition that the guide end 21 is retracted, the arm 22 contacts at least the vertex of the sample holder 4 in the figure, i.e. the second state. Then in the fourth state, the distance between the head of the arm 22 and the axis of the sample holder 4 should satisfy a certain condition. Before the sample holder 4 is clamped, the stop arm 22 and the guide end 21 are in the second state, the head of the stop arm 22 corresponds to n points of an X axis, the X axis is an axis perpendicular to the transmission direction, the second state is changed into the third state after the stop arm 22 is jacked and extended, the head of the stop arm 22 corresponds to o points of the X axis, and when the sample holder 4 is clamped, the third state of the stop arm 22 is changed into the fourth state, and the head of the stop arm 22 corresponds to p points of the X axis. Then, in the process from the second state to the fourth state, the stroke of the stopper arm 22 is np, the guide end 21 is in the state of avoiding the sample holder 4 to the minimum displacement of holding the sample holder 4, which is about the distance L3 in the figure, the L3 is the stroke of the two guide ends 21 at the minimum included angle with the axis of the sample holder 4, and when the included angle between the two guide ends 21 and the axis of the sample holder 4 is the maximum, the minimum stroke of the guide end 21 is L4, that is, in the above-mentioned included angle range of 90 to 140 °, the distance np may be L3 to L4. Of course, np here is also true under the condition of being larger than L4, and np here is taken to be L3 to L4 in consideration of the occupation of space. It will be appreciated that np may range to values greater than L4 when space is sufficient.
In one possible embodiment, as shown in fig. 3, the jacking assembly 2 mainly comprises a swing arm 23, a jacking power source 201 for driving the swing arm 23, and a limit block 24, wherein the swing arm 23 has a cross arm and a longitudinal arm, the cross arm is vertically connected with a sliding end, the longitudinal arm is connected with a driving source, the limit block 24 is provided with a sliding groove 25, the sliding groove 25 is sleeved on the sliding end of the cross arm, the limit block 24 is further connected with a sliding block 26, the sliding block 26 is matched with the sliding groove 27, the sliding groove 27 is connected on the track 5, the extending direction of the sliding groove 27 is perpendicular to the transmission direction, a first sensor 28 and a second sensor 29 are further mounted along the extending direction of the sliding groove 27, and the first sensor 28 and the second sensor 29 are used for detecting the sliding block 26 to obtain.
In this embodiment, when the swing arm 23 is driven to rotate by the jacking power source 201, the limit block 24 reciprocates due to the limit of the sliding end by the sliding slot 25 and the arrangement of the sliding slot 27 of the sliding block 26. Alternatively, the driving manner here may be directly driving the sliding block 26 to extend or retract, or pushing the limiting block 24 by an electric push rod, or replacing the sliding groove 27 with a screw rod and then driving by a motor. The driving method in this embodiment takes space into consideration, and compared with the aforementioned driving method, the driving method in this embodiment occupies less space or has lower cost, and the structure is easier to implement.
In one possible embodiment, as shown in fig. 4, the buffering structure is composed of a limiting block 24, a fixing block 202 and a spring 203, the limiting block 24 is a cuboid with a through groove, grooves matched with the spring 203 are formed in two sides of the through groove, the spring 203 is arranged in the grooves respectively, the fixing block 202 and the limiting block 24 are in contact with each other with one side of the through groove, the through groove and the fixing block 202 form a sliding groove 25 together, and the spring 203 is connected with the fixing block 202 respectively. W in the figure is the direction of rotation of the swing arm 23.
In one possible embodiment, as shown in fig. 5 and 6, the stopping mechanism 1 includes a fixing portion, a rotating arm and two stopping arms 11 disposed in parallel and spaced apart from each other, the stopping arms 11 are slidably connected to the fixing portion, the stopping arms 11 slide along the long axis of the stopping arms 11 relative to the fixing portion, the rotating arm has two engaging portions, the sliding direction of the two arms is perpendicular to the long axis of the stopping arms 11, when the rotating arm rotates, the stopping arms 11 are respectively connected to the two engaging portions, and the engaging portions slide relative to the stopping arms 11 and slidably connect the fixing portion.
Specifically, the stopping mechanism 1 mainly comprises a stopping power source 17, a T-shaped rod 12, connecting plates 13 and stopping arms 11, wherein the T-shaped rod 12 is divided into a cross rod and a vertical rod, the vertical rod is connected with the stopping power source 17, the stopping power source 17 drives the vertical rod to rotate, driving heads are arranged at two ends of the cross rod, the two driving heads are respectively connected with the two connecting plates 13 in a matching manner, the two connecting plates 13 are respectively provided with a first stopping arm 111 and a second stopping arm 112, specifically, the connecting plates 13 are provided with strip holes, the two driving heads are respectively matched with the two strip holes, the driving heads can slide in the strip holes along the long axis of the strip holes, the two connecting plates 13 are respectively connected with a sliding table 14, the sliding table 14 is matched with a sliding rail 15, the sliding rail 15 is fixed relative to the rail 5, when the stopping power source 17 drives the T-shaped rod 12 to rotate along one direction, the two connecting plates 13 are far away from or close to, the synchronism of the extension/retraction of the first stopping arm 111 and the retraction/extension of the second stopping arm 112 is realized, and the order of the sample holder 4 when being released is ensured.
Further, a detection arm 18 is connected to one of the connection plates 13, the detection arm 18 is provided with a third sensor 16, and the third sensor 16 feeds back the extension/retraction state of the first stopping arm 111 and the second stopping arm 112 by detecting the detection arm 18.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The sample scanning auxiliary device applied to the transmission line is characterized by comprising a clamping rotating mechanism and a stopping mechanism (1);
the stopping mechanism (1) and the clamping rotating mechanism are sequentially arranged at intervals along the transmission direction of the sample holder (4);
the stopping mechanism (1) is used for stopping the sample holder (4);
the clamping and rotating mechanism comprises a jacking component (2) and a driving component (3), the jacking component (2) is provided with two guide ends (21) which are arranged at intervals, the connecting line of the two guide ends (21) is parallel to the transmission direction of the sample holder (4), the driving component (3) is provided with at least one driving end (31), the guide ends (21) and the driving end (31) are respectively positioned at two sides of a transmission line, the driving end (31) is positioned in the middle of the two guide ends (21) along the transmission direction, under the jacking action of the jacking component (2), the guide ends (21) are driven to do jacking motion so that the sample holder (4) is clamped between the guide ends (21) and the driving end (31), and the driving end (31) is used for driving the sample holder (4) to rotate around the axis of the sample holder (4) so that the code bar information of the sample holder (4) can be over against code scanning equipment, when the retraction action of the jacking assembly (2) is started, the stopping mechanism (1) releases the sample holder (4) so that the sample holder (4) is conveyed to a station where the clamping and rotating mechanism is located.
2. A sample scanning aid device applied to a transmission line according to claim 1, characterized in that the jacking assembly (2) has a stop arm (22) for stopping the sample holder (4), and when the sample holder (4) is in contact with the stop arm (22), the axis of the sample holder (4) is located between the two guide ends (21) in the direction of transport of the sample holder (4).
3. The sample scanning auxiliary device applied to the transmission line according to claim 2, wherein the guiding end (21) is a guiding wheel, the driving end (31) comprises a driving shaft and a driving wheel matched with the driving shaft in a shaft hole, the driving wheel is contacted with the outer side wall of the sample holder (4) to provide rolling friction force to the sample holder (4) in a state that the sample holder (4) is clamped, and the sample holder (4) rotates around the axis thereof under the action of the rolling friction force.
4. The sample scanning auxiliary device applied to the transmission line according to claim 3, wherein when the sample holder (4) is in contact with the baffle arm (22), an included angle between an axis of at least two of the guide ends (21) and an axis of the sample holder (4) is 90-140 ° in a projection along an axial direction of the sample holder (4), and a vertex of the included angle is located on the axis of the sample holder (4).
5. The sample scanning auxiliary device applied to the transmission line according to claim 4, characterized in that when the sample holder (4) is contacted with the baffle arm (22), the axis of the sample holder (4) has a vertical distance of at least 0.05mm from the driving end (31) and the sample holder (4) is located between the driving end (31) and the baffle arm (22).
6. The sample scanning assistant of claim 5 applied to transmission lineAuxiliary means, characterized in that said vertical spacing is smaller than
Wherein a is a complementary angle of an included angle formed by a contact point of the guide end (21) and the sample holder (4), an axis of the sample holder (4) and a contact point of the baffle arm (22) and the sample holder (4) when the sample holder (4) is contacted with the baffle arm (22), and R is a radius of the sample holder (4).
7. The sample scanning aid device according to claim 4, wherein said included angle is 110 °.
8. The sample scanning auxiliary device applied to the transmission line according to claim 4, wherein when the sample holder (4) is clamped between the guiding end (21) and the driving end (31), the distance between the end of the telescopic arm close to the driving component (3) and the axis of the sample holder (4) is 0.3R-0.66R in the projection along the transmission direction, wherein R is the radius of the sample holder (4).
9. The sample scanning auxiliary device applied to the transmission line as claimed in claim 1, wherein the jacking assembly (2) comprises a driving arm and a buffering mechanism, the buffering mechanism has a first end for connecting to a power source and a second end connected to the driving arm, the driving arm drives the guiding end (21) to perform jacking or retracting movement under the driving of the power source, and the buffering mechanism provides a buffering force for the power source when the guiding end (21) extends out of a limit distance.
10. The sample scanning auxiliary device applied to the transmission line according to claim 1, wherein the stopping mechanism (1) comprises a fixed portion, a rotating portion and two stopping arms (11) arranged in parallel and spaced apart, the stopping arms (11) are slidably connected with the fixed portion, the sliding direction of the stopping arms (11) relative to the fixed portion is along the long axis of the stopping arms (11), the rotating portion has two matching portions, the two matching portions are respectively slidably connected with the two stopping arms (11), the sliding direction of the matching portions relative to the stopping arms (11) is perpendicular to the long axis of the stopping arms (11), and when the rotating portion rotates, the stopping arms (11) slide relative to the fixed portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110410432.XA CN113125651A (en) | 2021-04-16 | 2021-04-16 | Sample scanning auxiliary device applied to transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110410432.XA CN113125651A (en) | 2021-04-16 | 2021-04-16 | Sample scanning auxiliary device applied to transmission line |
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| Publication Number | Publication Date |
|---|---|
| CN113125651A true CN113125651A (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110410432.XA Pending CN113125651A (en) | 2021-04-16 | 2021-04-16 | Sample scanning auxiliary device applied to transmission line |
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| CN (1) | CN113125651A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114535119A (en) * | 2022-03-04 | 2022-05-27 | 苏州华兴源创科技股份有限公司 | Circulation detection equipment |
-
2021
- 2021-04-16 CN CN202110410432.XA patent/CN113125651A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114535119A (en) * | 2022-03-04 | 2022-05-27 | 苏州华兴源创科技股份有限公司 | Circulation detection equipment |
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