CN111337329A - Automatic salt adding device for salt powder tube sample pretreatment - Google Patents
Automatic salt adding device for salt powder tube sample pretreatment Download PDFInfo
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- CN111337329A CN111337329A CN202010322082.7A CN202010322082A CN111337329A CN 111337329 A CN111337329 A CN 111337329A CN 202010322082 A CN202010322082 A CN 202010322082A CN 111337329 A CN111337329 A CN 111337329A
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- 150000003839 salts Chemical class 0.000 title claims abstract description 208
- 239000000843 powder Substances 0.000 title claims abstract description 161
- 230000007246 mechanism Effects 0.000 claims abstract description 86
- 238000003860 storage Methods 0.000 claims abstract description 45
- 230000000903 blocking effect Effects 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 238000011084 recovery Methods 0.000 claims abstract description 14
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 238000004064 recycling Methods 0.000 abstract description 13
- 238000009795 derivation Methods 0.000 abstract description 3
- 239000000523 sample Substances 0.000 description 27
- 230000009471 action Effects 0.000 description 7
- 230000001360 synchronised effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000006101 laboratory sample Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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Abstract
The invention discloses an automatic salt adding device for salt powder tube sample pretreatment, which comprises a storage mechanism, a material blocking mechanism, a rotating mechanism, a leading-in mechanism, a central controller, a rack and a salt powder tube covered and sealed by a sealing cover, wherein the leading-in mechanism comprises a recovery barrel and a sample tube group, the salt powder tube is arranged in the storage mechanism in a manner similar to the manner of loading a cartridge clip when the device is used, the storage mechanism can store a large number of salt powder tubes, and the salt powder tubes are automatically fed in a rotating manner; after the salt powder pipe gets into rotary mechanism, stock stop can be used for blockking next salt powder pipe and get into rotary mechanism, avoids the conflict of salt powder pipe from top to bottom, and rotary mechanism can realize that the salt powder pipe is automatic uncaps, accomplishes the salt powder derivation of salt powder pipe and add the sample cell, has poured the salt powder pipe and sealed lid and falls into the recycling bin. The automatic salt adding machine is compact in overall structure, integrates feeding, uncovering, leading-in and recycling, is high in automation degree, improves salt adding efficiency, and greatly promotes the progress of the salt adding field.
Description
Technical Field
The invention relates to the technical field of experimental instruments, in particular to an automatic salt adding device for pretreatment of a salt powder tube sample.
Background
In laboratory sample pretreatment process, need frequently use the operation of adding salt to the sample cell, the tradition mode of adding salt is generally that operating personnel passes through sampling tool earlier, take out the salt powder from the salt bucket, then put into the sample cell with the salt powder in.
Some have some to replace the manual work to carry out the automatic salt equipment that adds salt to the sample cell on the market, these automatic salt equipment generally pass through the vibrating or spiral defeated salt, only need add the salt powder in advance at salt bucket opening part during the use to vibration or rotatory just can realize automatic salt powder that adds in the exit, though automatic salt equipment has solved artifical salt powder and has made mistakes easily, problem with low efficiency, but the following problem can appear:
as is known, salt powder has hygroscopicity, when salt needs to be added into a salt barrel and an outlet of salt adding equipment is opened, air can also enter the salt barrel through the outlet, the salt powder in the salt barrel is agglomerated after absorbing moisture in the air, and if the agglomeration is serious, the outlet of the salt adding device is blocked, so that the salt adding equipment has high failure rate and low salt adding precision; in addition, salt bucket, each guide channel in the salt bucket and exit are easy to spill over the salt powder because of pressure, cause pollution and other parts of corrosion equipment inside, therefore, this type of salt equipment still need to guarantee to have higher leakproofness, require to the production standard higher.
Therefore, the applicant abandons the salt adding mode that the salt powder is exposed to the air, and adopts the salt powder pipe loaded with the salt powder in a sealing mode to realize automatic salt adding, so that the method is developed.
Disclosure of Invention
The invention aims to provide an automatic salt adding device for salt powder tube sample pretreatment, which can isolate the contact between salt powder and air, can realize the automatic operation of feeding, uncovering, leading-in and recycling only by loading a salt powder tube when in use, can be applied to large-batch salt adding, improves the salt adding efficiency and has a compact integral structure.
In order to achieve the above purpose, the solution of the invention is: an automatic salt adding device for salt powder tube sample pretreatment comprises a storage mechanism, a material blocking mechanism, a rotating mechanism, a leading-in mechanism, a central controller, a rack and a salt powder tube;
the salt powder pipe comprises a sealing cover and a salt powder pipe body, wherein a pipe orifice is formed in the top of the salt powder pipe body, salt powder is loaded on the salt powder pipe body, and the pipe orifice is covered and sealed by the sealing cover;
the storage mechanism comprises a rotary table, storage cylinders and a first rotating motor, a rotating shaft is arranged at the center of the rotary table and connected with the first rotating motor, a plurality of pipe holes are annularly and uniformly distributed on the periphery of the rotary table, one storage cylinder is correspondingly arranged above each pipe hole, and the rotary table is arranged on the rack;
the stop mechanism comprises a guide seat, a stop block and a first telescopic motor, wherein the guide seat is provided with a vertical through hole and a transverse through hole communicated with the vertical through hole, the stop block penetrates from the transverse through hole to the vertical through hole, the stop block is externally connected with the first telescopic motor, the first telescopic motor is fixed below the guide seat, and the guide seat is arranged on the rack;
the rotating mechanism comprises a capacitive sensor, a second rotating motor, a rotating seat, a push-type broach, a second telescopic motor, a push-type pin, a connecting rod and a push-pin seat, the second rotating motor is connected with the rotating seat, the push-pin seat and the rotating seat are fixed together, the capacitive sensor is fixed outside the rotating seat, the rotating seat is provided with a vertical channel, the top of the vertical channel corresponds to the lower part of the vertical through hole, the push-type pin is arranged at the bottom of the vertical channel, the upper part of the push-type pin is abutted by a salt powder pipe, the push-type pin is connected with the second telescopic motor through the connecting rod, the second telescopic motor is arranged in the push-pin seat, the push-type broach is fixed on a rack on the front side of the top of the rotating seat and is perpendicular to the rotating direction of;
the guiding mechanism comprises a recovery barrel, a swinging conical funnel, a first tension spring and a sample tube group, the swinging conical funnel is parallel to one side of the rotating mechanism, the recovery barrel is arranged right below the rotating mechanism, the top of the swinging conical funnel is rotatably connected to the rack, the first tension spring is positioned between the swinging conical funnel and the rotating mechanism, one end of the first tension spring is connected to the swinging conical funnel, the other end of the first tension spring is connected to the rack and pulls the swinging conical funnel to incline towards the rotating mechanism, the sample tube group is arranged right below the swinging conical funnel, and the inner wall of the swinging conical funnel is used for the rotating seat to rotate to drive the tube opening of the salt powder tube to touch;
the capacitance sensor, the first rotating motor, the first telescopic motor, the second rotating motor and the second telescopic motor are connected with the central controller.
Preferably, the warehouse mechanism further comprises a first sensor, a beam is arranged at the top of the outer cover and used for fixing the first sensor, the first sensor is suspended in the middle of the storage cylinder surrounded by the ring, and the first sensor is connected with the central controller.
Preferably, the storage mechanism further comprises an outer cover, the outer cover covers the outside of the storage cylinder, and a pipe placing groove is formed in the top of the outer side of the outer cover.
Preferably, the stock stop still includes the second extension spring, horizontal spout is seted up in the outside of guide holder, the side of keeping off the material piece is equipped with the protruding axle in the position that corresponds the spout, and the protruding axle stretches out the spout and is connected with the one end of second extension spring, and the other end of second extension spring is fixed on the guide holder, the flexible motor of second adopts the electro-magnet.
Preferably, rotary mechanism still includes the spring, the roating seat extends to form and has fenestrate fixed block, be equipped with the push rod between the flexible motor of second and the connecting rod, the push rod afterbody passes the perforation and is connected with the connecting rod, and the motor shaft of the flexible motor of push rod head butt second is equipped with the flange on the push rod, the spring cup joints outside the push rod, the one end butt of spring is in the flange below, and other end butt is in the fixed block top, the flexible motor of second adopts the electro-magnet.
Preferably, the rotating mechanism further comprises a color code sensor, and the color code sensor is mounted on the rack on the right side of the top of the rotating seat and connected with the central controller.
Preferably, the guiding mechanism further comprises a limit bolt, a vertical threaded hole matched with the limit bolt is formed in the rack above the swinging conical funnel, a movable gap is reserved between the bottom of the limit bolt and the top of the swinging conical funnel, and when the top of the swinging conical funnel is inclined, the top of the swinging conical funnel is abutted to the bottom of the limit bolt for limitation.
Preferably, the tail part of the swinging conical hopper is provided with an inclined plate, and the inclined plate inclines towards the recovery barrel.
Preferably, the upper edge of the recovery bucket is provided with a guide plate, and the guide plate inclines towards the swinging conical funnel.
Preferably, the bottom of the sample tube group is provided with a displacement mechanism, and the displacement mechanism drives the sample tube group to translate.
The working process of the invention is as follows:
firstly, placing salt powder tubes into rear storage cylinders, and filling the salt powder tubes into each storage cylinder on a rotary table along with the rotation of a rotary table driven by a first rotary motor to finish storage;
then, the rotating disc is rotated again, the salt powder pipe falls from the pipe hole of the storage cylinder, at the moment, the material blocking block is positioned in the vertical through hole of the guide seat to prevent the salt powder pipe from falling into the rotating mechanism, the first telescopic motor drives the material blocking block to move outwards along the transverse through hole, so that the material blocking block leaves the vertical through hole, the salt powder pipe falls into the vertical channel of the rotating seat from the vertical through hole of the guide seat until the bottom of the salt powder pipe abuts against the upper part of the ejector pin, at the moment, the capacitance sensor senses that the salt powder pipe enters the rotating seat, the second telescopic motor drives the connecting rod to fall to drive the ejector pin to fall and extend out, the salt powder pipe further penetrates into the vertical channel, the height of the salt powder pipe is reduced, then, the material blocking block of the material;
then, the second rotating motor drives the rotating seat to rotate anticlockwise, the push broach is fixed on the rack on the front side of the top of the rotating seat and is perpendicular to the rotating direction of the second rotating motor, the rotating seat rotates to drive the salt powder pipe to pass through the push broach, the push broach pushes the sealing cover to be pushed away from the salt powder pipe body, the sealing cover falls and is recovered into the recovery barrel, the rotating mechanism continues to rotate anticlockwise, the pipe orifice of the salt powder pipe begins to touch the inner wall of the inclined swinging conical funnel, the salt powder pipe pushes the swinging conical funnel to rotate by taking the top as a rotating center along with the increase of a rotating angle, meanwhile, under the action of a tension spring, the inner wall of the swinging conical funnel is always attached to the pipe orifice of the salt powder pipe to form sealing gradually to prevent the salt powder from overflowing, along with the continuous increase of the rotating angle, when the pipe orifice begins to face downwards, a gap is exposed between the pipe orifice of the salt powder, then salt powder is poured into the sample tube of the sample tube group downwards along the inner wall of the swinging conical funnel, the second telescopic motor drives the thimble to perform telescopic motion through the connecting rod, so that the thimble impacts the bottom of the salt powder tube, the residual salt powder in the salt powder tube is poured out of the tube under the action of gravity and impact force and flows into the sample tube through the swinging conical funnel to finish the derivation of the salt powder, then the capacitance sensor senses the change of capacitance value to judge that the salt powder in the salt powder tube is completely derived, the second telescopic motor drives the thimble to shrink, the rotating mechanism continues to rotate anticlockwise, when the tube opening turns to the recovery barrel, the second telescopic motor drives the thimble to impact the bottom of the salt powder tube again to enable the salt powder tube to fall into the recovery barrel under the action of gravity and impact force to finish the derivation of the salt powder tube, finally, the second rotary motor drives the rotary seat to rotate clockwise to reset to an initial state, waiting for the next tube of salt powder to enter.
After the scheme is adopted, the salt powder pipe is isolated from air permeation by the salt powder pipe body through the sealing cover, so that salt powder is prevented from caking fundamentally, an automatic salt powder adding device which can be matched with the salt powder pipe for use is specially designed for realizing automatic salt powder adding, and the automatic salt powder adding device is similar to a mode of loading a cartridge clip with a cartridge; in addition, after the salt powder tube enters the rotating mechanism, the material blocking mechanism can be used for blocking the next salt powder tube from entering the rotating mechanism, so that the collision of the upper salt powder tube and the lower salt powder tube is avoided, the rotating mechanism can realize automatic uncovering of the salt powder tube, salt powder of the salt powder tube is led out and added into the sample tube, and in the process, the swinging conical funnel can be matched with the salt powder tube all the time under the action of the tension spring, so that the salt powder is prevented from leaking, the salt powder can be led out smoothly, and in addition, the effect of shaking the salt powder is formed by the impact of the ejector pins when the salt powder is led in, so that the salt powder is led in more completely and accurately; the salt powder pipe body and the sealing cover are finally collected in the recycling bin for later recycling. In conclusion, the automatic salt adding machine has a compact integral structure, integrates the functions of feeding, uncovering, guiding and recovering, has high automation degree, improves the salt adding efficiency, and greatly promotes the progress of the salt adding field.
Drawings
Fig. 1 is a schematic structural diagram of an exterior of an embodiment of the present invention.
Fig. 2 is a schematic axial view of an internal structure according to an embodiment of the present invention.
Fig. 3 is a schematic axial view of the internal structure of an embodiment of the present invention.
Fig. 4 is a schematic axial view three of the internal structure of the embodiment of the present invention.
FIG. 5 is a side view of the interior of one embodiment of the present invention.
Fig. 6 is a schematic side view of the inside of an embodiment of the present invention (color patch sensor omitted).
Fig. 7 is an enlarged schematic view at a in fig. 2.
Fig. 8 is a schematic structural diagram of a warehousing mechanism according to an embodiment of the invention.
Fig. 9 is a schematic structural diagram of a striker according to an embodiment of the present invention.
Fig. 10 is a schematic structural diagram of a rotating mechanism according to an embodiment of the present invention.
Fig. 11 is a schematic structural diagram of a lead-in mechanism according to an embodiment of the present invention.
Fig. 12 is a schematic diagram of the structure of the sample tube set and displacement mechanism according to one embodiment of the present invention.
Description of reference numerals:
the warehouse mechanism 1, the rotary table 11, the rotary shaft 111, the pipe hole 112, the storage cylinder 12, the outer cover 13, the pipe placing groove 131, the cross beam 132, the first synchronous belt conveying structure 14, the first rotary motor 15, the first sensor 16, the material blocking mechanism 2, the guide seat 21, the vertical through hole 211, the transverse through hole 212, the sliding groove 213, the material blocking block 22, the protruding shaft 221, the first telescopic motor 23, the second tension spring 24, the rotary mechanism 3, the capacitance sensor 31, the second rotary motor 32, the second synchronous belt conveying structure 321, the rotary seat 33, the vertical channel 331, the fixed block 332, the push knife 34, the second telescopic motor 35, the spring 351, the push rod 352, the flange 353, the thimble 36, the connecting rod 37, the thimble seat 38, the color mark sensor 39, the introducing mechanism 4, the recycling bin 41, the swinging conical funnel 42, the funnel seat 421, the funnel body 422, the inclined plate 423, the guide plate 424, the dowel pin 425, the "L" shaped groove 426, the device comprises a sample tube group 44, a sample tube 441, a limit bolt 45, a movable gap 46, a frame 5, a salt powder tube 6, a sealing cover 61, a salt powder tube body 62, a displacement mechanism 7 and a third motor 71.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings and specific embodiments.
The invention provides an automatic salt adding device for salt powder tube sample pretreatment, which is used for customizing salt powder tube consumables according to the standard of the pretreatment industry, as shown in figure 1, a salt powder tube 6 comprises a sealing cover 61 and a salt powder tube body 62, the top of the salt powder tube body 62 is provided with a tube orifice, salt powder is loaded in the salt powder tube body 62, and the tube orifice is covered and sealed by the sealing cover 61; in addition to the salt powder tube 6, the device further comprises a storage mechanism 1, a material blocking mechanism 2, a rotating mechanism 3, a guiding mechanism 4, a central controller (not shown in the figure) and a frame 5.
The storage operation of the salt powder tube 6 is as follows: as shown in fig. 1, firstly, the salt powder tube 6 is inserted from the tube placing groove 131 of the outer cover 13, since the outer cover 13 covers the outside of the storage cylinder 12, the salt powder tube 6 is inserted and then falls into the storage cylinder 12, the first sensor 16 is used to detect whether the storage cylinder 12 corresponding to the tube placing groove 131 is full of the salt powder tube 6, when the storage cylinder 12 is full, the first rotating motor 15 drives the rotary table 11 to automatically switch to the next storage cylinder 12 until each storage cylinder 12 on the rotary table 11 is full of the salt powder tube 6, the storage is completed, in order to expand the capacity, the storage mechanism 1 may be provided with at least two storage cylinders 12, each storage cylinder 12 may be provided with at least two salt powder tubes 6, in this embodiment, the storage mechanism 1 has thirty storage cylinders 12, and each storage cylinder 12 may store four salt powder tubes 6.
As shown in fig. 2, 7 and 9, the stock stop 2 includes a guide seat 21, a stock stop 22, a first telescopic motor 23 and a second tension spring 24, the guide seat 21 is provided with a vertical through hole 211 and a transverse through hole 212 communicating with the vertical through hole 211, the stock stop 22 penetrates the vertical through hole 211 from the transverse through hole 212, the stock stop 22 is externally connected with the first telescopic motor 23, the first telescopic motor 23 is fixed below the guide seat 21, and the guide seat 21 is arranged on the frame 5.
As a preferred embodiment, the second telescopic motor 35 employs an electromagnet, the electromagnet is powered on to drive the motor shaft to extend, the electromagnet is powered off, the motor shaft is retracted, and the motor shaft can reciprocate through repeated power on and power off, in this embodiment, the reset structure of the material blocking block 22 is designed particularly after power off, specifically, a transverse chute 213 is formed in the outer side of the guide seat 21, a protruding shaft 221 is arranged on the side surface of the material blocking block 22 at a position corresponding to the chute 213, the protruding shaft 221 extends out of the chute 213 and is connected with one end of the second tension spring 24, the other end of the second tension spring 24 is fixed on the guide seat 21, when the electromagnet is powered on, the motor shaft pushes the material blocking block 22 to exit from the vertical through hole 211, at this time, the vertical through hole 211 is unblocked, the second tension spring 24 is in a tensioned state, when the electromagnet is powered off, the motor shaft is retracted, the second tension spring 24, realize the material blocking. The reset structure reasonably utilizes the physical characteristics of the structure to replace a motor to drive the material blocking block 22 to reset, has a reliable structure and is beneficial to saving electric energy.
As shown in fig. 4, 5, 6 and 10, the rotating mechanism 3 includes a capacitive sensor 31, a second rotating motor 32, a rotating base 33, a push-type broach 34, a second telescoping motor 35, a thimble 36, a connecting rod 37, a thimble base 38, a color mark sensor 39, a spring 351 and a push rod 352, a second synchronous belt transmission structure 321 is arranged between the rotating base 33 and the second rotating motor 32, the second rotating motor 32 is connected with and drives the rotating base 33 to rotate through the second synchronous belt transmission structure 321, the thimble base 38 and the rotating base 33 are fixed together, the capacitive sensor 31 is fixed outside the rotating base 33, the rotating base 33 is provided with a vertical channel 331, the top of the vertical channel 331 corresponds to the lower part of the vertical through hole 211, the thimble 36 is placed into the bottom of the vertical channel 331, the upper part of the thimble 36 is used for the salt powder tube 6 to abut against, the thimble 36 is connected with the second telescoping motor 35 through the connecting rod 37, the second telescopic motor 35 is arranged in the thimble seat 38, the push-type broach 34 is fixed on the rack 5 at the front side of the top of the rotary seat 33 and is perpendicular to the rotating direction of the second rotary motor 32, the second rotary motor 32 is arranged on the rack 5, and the color mark sensor 39 is arranged on the rack 5 at the right side of the top of the rotary seat 33. The color scale sensor 39, the first sensor 16, the capacitance sensor 31, the first rotating motor 15, the first telescoping motor 23, the second rotating motor 32 and the second telescoping motor 35 are connected with the central controller. After the storage operation of the salt powder tube 6 is completed, the rotating disc 11 is rotated, the salt powder tube 6 falls from the tube hole 112 of the storage cylinder 12, at this time, the material blocking block 22 is located in the vertical through hole 211 of the guide seat 21, the salt powder tube 6 is prevented from falling into the rotating mechanism 3, the first telescopic motor 23 drives the material blocking block 22 to move outwards along the transverse through hole 212, so that the material blocking block 22 leaves the vertical through hole 211, the salt powder tube 6 falls into the vertical channel 331 of the rotating seat 33 from the vertical through hole 211 of the guide seat 21 until the bottom of the salt powder tube 6 abuts against the upper part of the thimble 36, the capacitive sensor 31 senses that the salt powder tube 6 enters the rotating seat 33, the second telescopic motor 35 drives the connecting rod 37 to fall to drive the thimble 36 to fall and extend out, the salt powder tube 6 further enters the vertical channel 331, the height falls, and then the material blocking block 22 of the material blocking mechanism 2 resets and moves into the; before capacitive sensor 31 senses whether salt powder pipe 6 enters rotary base 33, color mark sensor 39 on the top of rotary base 33 detects whether salt powder pipe 6 is placed reversely, and by detecting the color on the top of salt powder pipe 6, if blue, it is determined that sealing cover 61 is placed correctly, otherwise, salt powder pipe 6 is placed incorrectly, second rotating electric machine 32 drives rotary base 33 to rotate clockwise, second telescopic electric machine 35 drives thimble 36 to do telescopic motion through driving connecting rod 37, so that thimble 36 ejects salt powder pipe 6, and salt powder pipe 6 with sealing cover 61 is recovered into recovery barrel 41. The color mark sensor 39 can judge whether the salt powder tube 6 is opened reversely before opening the cover, the sealing cover 61 after opening the cover correctly and the salt powder tube 6 in the reverse direction can be automatically discharged, after the direction is correct, the second rotating motor 32 drives the rotating base 33 to rotate anticlockwise, because the push-type broach 34 is fixed on the rack 5 at the front side of the top of the rotating base 33 and is perpendicular to the rotating direction of the second rotating motor 32, the rotating base 33 rotates to drive the salt powder tube 6 to pass through the push-type broach 34, and the push-type broach 34 pushes the sealing cover 61 away from the salt powder tube body 62.
In a preferred embodiment, the second telescopic motor 35 is an electromagnet, the electromagnet is powered on to drive the motor shaft to extend out, the electromagnet is powered off, the motor shaft is retracted, and the motor shaft can reciprocate through repeated power on and power off, and the present embodiment is particularly designed for a reset structure of the thimble 36 after power off, specifically, the rotary base 33 extends to form a fixed block 332 with a through hole, a push rod 352 is arranged between the second telescopic motor 35 and the connecting rod 37, the tail of the push rod 352 passes through the through hole to be connected with the connecting rod 37, the head of the push rod 352 abuts against the motor shaft of the second telescopic motor 35, a flange 353 is arranged on the push rod 352, the spring 351 is sleeved outside the push rod 352, one end of the spring 351 abuts against the lower side of the flange 353, the other end abuts against the upper side of the fixed block 332, when the electromagnet is powered on, the spring 351 is in a contraction state, when the electromagnet is powered off, the motor shaft retracts, the spring 351 is stretched and reset, the pushing flange 353 and the push rod 352 integrally move upwards, and therefore the push rod 352 drives the connecting rod 37 and the ejector pin 36 to move upwards. The reset structure reasonably utilizes the physical characteristics of the structure to replace a motor to drive the thimble 36 to reset, has reliable structure and is beneficial to saving electric energy.
Leading-in mechanism 4 includes recycling bin 41, swing cone funnel 42, first extension spring 43 and sample nest of tubes 44, swing cone funnel 42 is on a parallel with one side of rotary mechanism 3, rotary mechanism 3 sets up recycling bin 41 under, swing cone funnel 42's top is rotated and is connected on frame 5, first extension spring 43 is located between swing cone funnel 42 and the rotary mechanism 3, the one end of first extension spring 43 is connected on swing cone funnel 42, and the other end of first extension spring 43 is connected on frame 5 to the slope of pulling swing cone funnel 42 to rotary mechanism 3, sample nest of tubes 44 sets up under swing cone funnel 42, the inner wall of swing cone funnel 42 supplies the rotatory mouth of pipe that touches that drives salt powder pipe 6 of roating seat 33.
After the sealing cover 61 is pushed away by the push-type knife 34, the sealing cover 61 falls down and is recovered into the recovery barrel 41, the rotating mechanism 3 continues to rotate counterclockwise, the pipe orifice of the salt powder pipe 6 starts to touch the inner wall of the inclined swinging conical funnel 42, the salt powder pipe 6 pushes the swinging conical funnel 42 to rotate by taking the top as the rotating center along with the increase of the rotating angle, meanwhile, under the action of the pulling force of the first tension spring 43, the inner wall of the swinging conical funnel 42 is always attached to the pipe orifice of the salt powder pipe 6 to gradually form a seal to prevent the salt powder from overflowing, as the rotating angle continues to increase, when the pipe orifice starts to face downwards, a gap is exposed between the pipe orifice of the salt powder pipe 6 and the inner wall of the swinging conical funnel 42, then the salt powder is poured downwards into the sample pipe 441 of the sample pipe group 44 along the inner wall of the swinging conical funnel 42, the second telescopic motor 35 drives the thimble 36, thereby the thimble 36 impacts the bottom of the salt powder tube 6, the salt powder remained in the salt powder tube 6 is poured out from the tube under the action of gravity and impact force, and flows into the sample tube 441 through the swinging conical funnel 42, the salt powder is guided out, then the capacitance sensor 31 senses the change of capacitance value, so as to judge that the salt powder in the salt powder tube 6 is completely guided out, the second telescopic motor 35 drives the thimble 36 to contract, the rotating mechanism 3 continues to rotate anticlockwise, when the tube mouth turns to the recycling bin 41, the second telescopic motor 35 drives the thimble 36 to impact the bottom of the salt powder tube 6 again, so that the salt powder tube 6 falls into the recycling bin 41 under the action of gravity and impact force, the salt powder tube 6 is guided out, the tail part of the swinging conical funnel 42 is provided with the inclined plate 423, the inclined plate 423 faces the recycling bin 41 in an inclined manner, the upper edge of the recycling bin 41 is provided with the guide plate 424, the guide plate 424 inclines towards, the convenient salt powder pipe 6 is guided into the recycling bin 41 along the inclined plate 423 and the guide plate 424. Finally, the second rotating electric machine 32 drives the rotating base 33 to rotate clockwise, and the rotating base is reset to the initial state to wait for the next salt powder tube 6 to enter.
As a further improvement, the bottom of the sample tube set 44 is provided with a displacement mechanism 7, the displacement mechanism 7 is driven by a third motor 71, and the displacement mechanism 7 can drive the sample tube set 44 filled with salt powder to move in a translation way and can convey the empty sample tube set 44 to the lower part of the swinging conical funnel 42 again.
Leading-in mechanism 4 still includes stop bolt 45, set up one on the frame 5 of swing cone funnel 42 top and supply stop bolt 45 complex to erect form screw hole, movable gap 46 is left with the top of swing cone funnel 42 in the bottom of stop bolt 45, and when the top of swing cone funnel 42 inclined, movable gap 46 disappeared, and the top of swing cone funnel 42 contradicts with stop bolt 45's bottom and restricts the funnel further slope, and reverse the same reason, can control movable gap 46 size through control stop bolt 45 to can control the gradient of funnel.
As can be seen from the above working process of the present invention, after the salt powder comes out of the salt powder pipe 6, only the salt powder contacts the swing cone-shaped funnel 42, so it is important to keep the swing cone-shaped funnel 42 clean, so in order to facilitate cleaning and maintenance of the swing cone-shaped funnel 42, in this embodiment, the swing cone-shaped funnel 42 is further designed to be a detachable structure, specifically, the swing cone-shaped funnel 42 includes a funnel seat 421 and a funnel body 422, the top of the funnel seat 421 is rotatably connected to the frame 5, two sides of the bottom of the funnel seat 421 are convexly provided with pins 425, two sides of the funnel body 422 are provided with "L" -shaped grooves 426, the "L" -shaped grooves 426 of the funnel body 422 are pushed laterally along the pins 425, and then pulled down to make the groove tops of the "L" -shaped grooves 426 hang on the pins 425. When the funnel body 422 is disassembled and assembled, the funnel body 422 is lifted upwards by holding the funnel body 422, and the L-shaped groove 426 is withdrawn from the pin 425, thereby completing the separation of the funnel body 422 and the funnel seat 421.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the design of the present invention, and all equivalent changes made in the design key point of the present invention fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides an automatic salt device that adds of salt powder pipe sample pretreatment which characterized in that: the device comprises a storage mechanism, a material blocking mechanism, a rotating mechanism, a leading-in mechanism, a central controller, a rack and a salt powder pipe;
the salt powder pipe comprises a sealing cover and a salt powder pipe body, wherein a pipe orifice is formed in the top of the salt powder pipe body, salt powder is loaded on the salt powder pipe body, and the pipe orifice is covered and sealed by the sealing cover;
the storage mechanism comprises a rotary table, storage cylinders and a first rotating motor, a rotating shaft is arranged at the center of the rotary table and connected with the first rotating motor, a plurality of pipe holes are annularly and uniformly distributed on the periphery of the rotary table, one storage cylinder is correspondingly arranged above each pipe hole, and the rotary table is arranged on the rack;
the stop mechanism comprises a guide seat, a stop block and a first telescopic motor, wherein the guide seat is provided with a vertical through hole and a transverse through hole communicated with the vertical through hole, the stop block penetrates from the transverse through hole to the vertical through hole, the stop block is externally connected with the first telescopic motor, the first telescopic motor is fixed below the guide seat, and the guide seat is arranged on the rack;
the rotating mechanism comprises a capacitive sensor, a second rotating motor, a rotating seat, a push-type broach, a second telescopic motor, a push-type pin, a connecting rod and a push-pin seat, the second rotating motor is connected with the rotating seat, the push-pin seat and the rotating seat are fixed together, the capacitive sensor is fixed outside the rotating seat, the rotating seat is provided with a vertical channel, the top of the vertical channel corresponds to the lower part of the vertical through hole, the push-type pin is arranged at the bottom of the vertical channel, the upper part of the push-type pin is abutted by a salt powder pipe, the push-type pin is connected with the second telescopic motor through the connecting rod, the second telescopic motor is arranged in the push-pin seat, the push-type broach is fixed on a rack on the front side of the top of the rotating seat and is perpendicular to the rotating direction of;
the guiding mechanism comprises a recovery barrel, a swinging conical funnel, a first tension spring and a sample tube group, the swinging conical funnel is parallel to one side of the rotating mechanism, the recovery barrel is arranged right below the rotating mechanism, the top of the swinging conical funnel is rotatably connected to the rack, the first tension spring is positioned between the swinging conical funnel and the rotating mechanism, one end of the first tension spring is connected to the swinging conical funnel, the other end of the first tension spring is connected to the rack and pulls the swinging conical funnel to incline towards the rotating mechanism, the sample tube group is arranged right below the swinging conical funnel, and the inner wall of the swinging conical funnel is used for the rotating seat to rotate to drive the tube opening of the salt powder tube to touch;
the capacitance sensor, the first rotating motor, the first telescopic motor, the second rotating motor and the second telescopic motor are connected with the central controller.
2. The automatic salt adding device for the salt powder tube sample pretreatment as claimed in claim 1, wherein the storage mechanism further comprises a first sensor, a cross beam is arranged at the top of the outer cover and used for fixing the first sensor, so that the first sensor is suspended in the middle of the storage cylinder surrounded by the cross beam, and the first sensor is connected with the central controller.
3. The automatic salt adding device for the salt powder tube sample pretreatment as claimed in claim 1, wherein the storage mechanism further comprises an outer cover, the outer cover is covered outside the storage cylinder, and a tube placing groove is formed in the top of the outer side of the outer cover.
4. The automatic salt adding device for the salt powder tube sample pretreatment as claimed in claim 1, wherein the blocking mechanism further comprises a second tension spring, a transverse chute is formed in the outer side of the guide seat, a protruding shaft is arranged on the side face of the blocking block at a position corresponding to the chute, the protruding shaft extends out of the chute and is connected with one end of the second tension spring, the other end of the second tension spring is fixed on the guide seat, and the second telescopic motor adopts an electromagnet.
5. The automatic salt adding device for the salt powder tube sample pretreatment as claimed in claim 1, wherein the rotating mechanism further comprises a spring, the rotating base extends to form a fixed block with a through hole, a push rod is arranged between the second telescopic motor and the connecting rod, the tail of the push rod penetrates through the through hole to be connected with the connecting rod, the head of the push rod abuts against a motor shaft of the second telescopic motor, a flange is arranged on the push rod, the spring is sleeved outside the push rod, one end of the spring abuts against below the flange, the other end of the spring abuts against above the fixed block, and the second telescopic motor adopts an electromagnet.
6. The automatic salt adding device for the salt powder tube sample pretreatment as claimed in claim 1, wherein the rotating mechanism further comprises a color mark sensor, and the color mark sensor is mounted on the rack on the right side of the top of the rotating seat and connected with the central controller.
7. The automatic salt adding device for the salt powder tube sample pretreatment as claimed in claim 1, wherein the lead-in mechanism further comprises a limiting bolt, a vertical threaded hole for the limiting bolt to fit is formed in the frame above the swinging conical funnel, a movable gap is left between the bottom of the limiting bolt and the top of the swinging conical funnel, and when the top of the swinging conical funnel is inclined, the top of the swinging conical funnel is abutted against and limited by the bottom of the limiting bolt.
8. The automatic salt adding device for the salt powder tube sample pretreatment as claimed in claim 1, wherein an inclined plate is arranged at the tail part of the swinging conical hopper, and the inclined plate is inclined towards the recovery barrel.
9. The automatic salt adding device for the salt powder tube sample pretreatment as claimed in claim 1, wherein a guide plate is arranged on the upper edge of the recovery barrel, and the guide plate is inclined towards the swinging conical funnel.
10. The automatic salt adding device for the salt powder tube sample pretreatment as claimed in claim 1, wherein a displacement mechanism is arranged at the bottom of the sample tube set, and the displacement mechanism drives the sample tube set to translate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010322082.7A CN111337329A (en) | 2020-04-22 | 2020-04-22 | Automatic salt adding device for salt powder tube sample pretreatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010322082.7A CN111337329A (en) | 2020-04-22 | 2020-04-22 | Automatic salt adding device for salt powder tube sample pretreatment |
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| Publication Number | Publication Date |
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| CN111337329A true CN111337329A (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010322082.7A Pending CN111337329A (en) | 2020-04-22 | 2020-04-22 | Automatic salt adding device for salt powder tube sample pretreatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113138263A (en) * | 2021-04-23 | 2021-07-20 | 华北水利水电大学 | Sandy soil analysis device and vegetation recovery method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4629093A (en) * | 1983-09-13 | 1986-12-16 | Societe a Responsabilite Limitee:Ateliers Durand et le Molaire Z.A. | Proportioning dispenser for powdered products |
| CN105752470A (en) * | 2016-04-26 | 2016-07-13 | 湖南三德科技股份有限公司 | Intelligent sample collecting device |
| CN107328950A (en) * | 2017-08-22 | 2017-11-07 | 重庆博奥新景医学科技有限公司 | It is a kind of to be used for the automatic sample handling system of sample cell lifting and cleaning in cell analysis |
| CN211954914U (en) * | 2020-04-22 | 2020-11-17 | 睿科集团(厦门)股份有限公司 | Automatic salt adding device for salt powder tube sample pretreatment |
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2020
- 2020-04-22 CN CN202010322082.7A patent/CN111337329A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4629093A (en) * | 1983-09-13 | 1986-12-16 | Societe a Responsabilite Limitee:Ateliers Durand et le Molaire Z.A. | Proportioning dispenser for powdered products |
| CN105752470A (en) * | 2016-04-26 | 2016-07-13 | 湖南三德科技股份有限公司 | Intelligent sample collecting device |
| CN107328950A (en) * | 2017-08-22 | 2017-11-07 | 重庆博奥新景医学科技有限公司 | It is a kind of to be used for the automatic sample handling system of sample cell lifting and cleaning in cell analysis |
| CN211954914U (en) * | 2020-04-22 | 2020-11-17 | 睿科集团(厦门)股份有限公司 | Automatic salt adding device for salt powder tube sample pretreatment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113138263A (en) * | 2021-04-23 | 2021-07-20 | 华北水利水电大学 | Sandy soil analysis device and vegetation recovery method |
| CN113138263B (en) * | 2021-04-23 | 2023-05-05 | 华北水利水电大学 | Sandy soil analysis device and vegetation recovery method |
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