CN114354904A - Triaxial movement sampling mechanism and full-automatic genital secretion detector - Google Patents
Triaxial movement sampling mechanism and full-automatic genital secretion detector Download PDFInfo
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- CN114354904A CN114354904A CN202111583483.9A CN202111583483A CN114354904A CN 114354904 A CN114354904 A CN 114354904A CN 202111583483 A CN202111583483 A CN 202111583483A CN 114354904 A CN114354904 A CN 114354904A
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- 238000005070 sampling Methods 0.000 title claims abstract description 110
- 230000033001 locomotion Effects 0.000 title claims abstract description 73
- 230000007246 mechanism Effects 0.000 title claims abstract description 72
- 210000004392 genitalia Anatomy 0.000 title claims description 6
- 230000028327 secretion Effects 0.000 title claims description 6
- 230000006698 induction Effects 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 230000009471 action Effects 0.000 description 11
- 238000001514 detection method Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000012864 cross contamination Methods 0.000 description 3
- 238000000338 in vitro Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 206010036790 Productive cough Diseases 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 210000003802 sputum Anatomy 0.000 description 1
- 208000024794 sputum Diseases 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
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Abstract
The invention discloses a three-axis movement sampling mechanism, which comprises a rack and a multi-axial movement unit, wherein the multi-axial movement unit is arranged in the rack and consists of an X-axis movement mechanism, a Y-axis movement mechanism and a Z-axis movement mechanism; the cantilever supporting mechanism is arranged on the rack; the sampling part is arranged on the Z-axis movement mechanism and is used for sampling a lower sample; the Y-axis movement mechanism is a cantilever type, and the cantilever support mechanism is arranged at the cantilever end of the Y-axis movement mechanism and used for supporting the Y-axis movement mechanism. The invention has the advantages that the deflection of the cantilever end is greatly reduced, so that the sampling part can quickly and stably perform sampling work; in the sampling process, the lower extreme support bearing can contact with support bar lower surface under the effect of the time force that the portion of taking a sample rises, and the reaction is in below sample portion simultaneously, does not warp because of the cantilever about the Z direction when guaranteeing the sample, guarantees that the sampling process rapid stabilization goes on.
Description
Technical Field
The invention relates to medical equipment, in particular to a three-axis motion sampling mechanism, and particularly relates to a full-automatic genital secretion detector comprising the three-axis motion sampling mechanism.
Background
The in vitro detection, diagnosis and detection equipment is an instrument which can carry out qualitative or quantitative analysis on body fluid samples (sputum, blood, urine and leucorrhea) of patients; in vitro diagnostic devices are undergoing purely manual, semi-automated, and intelligent transition to transformation.
The existing sampling mechanism applied to genital secretion detection in the market at present is generally operated manually, and is low in efficiency and easy to fatigue during manual operation, so that different samples are mixed up, and the samples are subjected to cross contamination and inaccurate in detection result. Some automatic triaxial cantilever sampling mechanisms exist in the market at present, and when the high-speed movement of the triaxial cantilever sampling mechanisms stops, the deflection of cantilever ends is serious, the precision is poor, the rapid and accurate sampling work of samples is difficult to realize, and when a frame body of a rack deforms slightly, the normal work cannot be continued.
Disclosure of Invention
The invention aims to provide a three-axis motion sampling mechanism.
In order to achieve the purpose, the invention can adopt the following technical scheme:
the triaxial movement sampling mechanism comprises
A frame;
a multi-axial motion unit arranged in the frame for realizing X, Y, Z three-direction motion;
a sampling portion provided on the multi-axial motion unit for sampling a lower sample.
Preferably, also comprises
The cantilever support mechanism is arranged on the rack;
the multi-axial motion unit is composed of an X-axis motion mechanism, a Y-axis motion mechanism and a Z-axis motion mechanism;
the sampling part is arranged on the Z-axis movement mechanism and is used for sampling a lower sample;
the Y-axis movement mechanism is a cantilever type, and the cantilever supporting mechanism is arranged at the cantilever end of the Y-axis movement mechanism and used for supporting the Y-axis movement mechanism.
Preferably, the X-axis movement mechanism is an X-axis linear sliding table and is provided with an X-axis base, an X-axis sliding rail, an X-axis sliding table, an X-axis driving motor, an X-axis driven wheel and an X-axis belt adjusting unit;
the X-axis base is a rectangular shell, and two ends of the X-axis base are fixed on the rack; the X-axis driving motor is arranged at one end of the X-axis base, and the X-axis driven wheel is arranged at the other end of the X-axis base through the X-axis belt adjusting unit; the X-axis driving motor is connected with the X-axis driven wheel through an X-axis belt for transmission; the X-axis sliding rail is arranged at the top of the X-axis base, the X-axis sliding table matched with the X-axis sliding rail is arranged on the X-axis sliding rail, and the X-axis sliding rail and the X-axis sliding table form an X-axis moving pair mechanism; an X-axis connecting sheet is arranged on the side surface of the X-axis sliding table, the other end of the X-axis connecting sheet is fixed on an X-axis belt, and the X-axis sliding table is used for connecting the Y-axis movement mechanism; the X-axis belt adjusting unit is used for adjusting the X-axis driven wheel to enable the X-axis belt to be automatically tensioned.
Preferably, the Y-axis movement mechanism is a Y-axis linear sliding table and is provided with a Y-axis base, a Y-axis sliding rail, a Y-axis sliding table, a Y-axis driving motor, a Y-axis driven wheel and a Y-axis belt adjusting unit;
the Y-axis base is fixedly connected with the X-axis sliding table; the Y-axis driving motor is fixed at one end of the Y-axis base, the Y-axis driven wheel is arranged at the other end of the Y-axis base through the Y-axis belt adjusting unit, and the Y-axis driving motor and the Y-axis driven wheel are connected and driven through a Y-axis belt; the Y-axis sliding rail is arranged on the other side surface of the Y-axis base, a Y-axis sliding table matched with the Y-axis sliding rail is arranged on the Y-axis sliding rail, and the Y-axis sliding rail and the Y-axis sliding table form a Y-axis moving pair mechanism; a Y-axis connecting piece is arranged on the Y-axis belt, and the other end of the Y-axis connecting piece is fixedly connected with the Z-axis moving mechanism and is used for transmitting power to drive the Z-axis moving mechanism to move; the Y-axis belt adjusting unit is used for adjusting the Y-axis driven wheel to enable the Y-axis belt to be automatically tensioned.
Preferably, the Z-axis movement mechanism is a Z-axis linear sliding table and is provided with a Z-axis base, a Z-axis sliding rail, a Z-axis sliding table, a Z-axis driving motor, a Z-axis driven wheel and a Z-axis belt adjusting unit;
the Z-axis base is fixedly connected with the Y-axis connecting piece; the Z-axis driving motor is arranged at one end of the Z-axis base, the Z-axis driven wheel is arranged at the other end of the Z-axis base through the Z-axis belt adjusting unit, and the Z-axis driving motor and the Z-axis driven wheel are connected and driven through a Z-axis belt; the Z-axis sliding rail is arranged on the Z-axis base, the Z-axis sliding table which is matched with the Z-axis sliding rail to slide is arranged on the Z-axis sliding rail, and the Z-axis sliding rail and the Z-axis sliding table form a Z-axis moving pair mechanism; the Z-axis sliding table is fixed on the Z-axis belt and converts the rotation of the Z-axis driving motor into the movement of the Z-axis sliding table; the Z-axis belt adjusting unit is used for adjusting the Z-axis driven wheel to enable the Z-axis belt to be automatically tensioned; and a sampling part is arranged on the Z-axis sliding table.
Preferably, the cantilever support mechanism has an L-shaped mounting plate, an upper support bearing, a lower support bearing, a side support bearing and a support unit;
the lower part of the L-shaped mounting plate is fixedly connected with a cantilever end of the Y-axis linear sliding table, and the upper support bearing, the lower support bearing and the side support bearing are arranged on the upper part of the L-shaped mounting plate; the supporting unit is provided with an L-shaped supporting plate and a supporting strip, the supporting strip is fixed on the outer side surface of a vertical plate of the L-shaped supporting plate, and a transverse plate of the L-shaped supporting plate is connected with the rack; the rolling surfaces of the upper supporting bearing and the lower supporting bearing are respectively arranged on the upper surface and the lower surface of the supporting strip, and the rolling surfaces of the side supporting bearings are arranged on the outer side surface of the vertical plate of the L-shaped supporting plate.
Preferably, the sampling part is provided with a sampling base, a plunger pump motor, a plunger pump, a sampling connecting piece, an adapting piece, a TIP head and a TIP head sensing piece;
the rear side surface of the sampling base is connected with the Z-axis sliding table, the upper part of the front side surface of the sampling base is provided with the plunger pump motor, the lower part of the front side surface of the sampling base is provided with the plunger pump, and the plunger pump motor is in driving connection with the plunger pump; the outlet of the plunger pump is sequentially communicated with the sampling connecting piece, the adapter and the TIP head in a sealing manner; the TIP head induction piece is sleeved at the lower part of the adapting piece and provided with a mounting disc, the mounting disc is provided with two bolt holes and an induction head, the TIP head induction piece is fixed on the connecting disc through bolts penetrating through the bolt holes of the mounting disc, and a spring is sleeved on the bolts between the mounting disc and the connecting disc; the sampling fixing block is provided with a sampling connecting piece, the lower end of the sampling connecting piece is provided with a sensor, and the induction head is positioned at the position of the sensor and used for detecting whether the TIP head exists or not.
Preferably, be provided with pressure sensor on the sample base, pressure sensor pass through the pressure conduit with the plunger pump intercommunication for detect the pressure value in the plunger pump intracavity.
The invention also provides a triaxial movement sampling mechanism for the in vitro detection, diagnosis and detection equipment.
The Y-axis linear sliding table has the advantages that the vertical plate of the L-shaped supporting plate is provided with the two side supporting bearings, the two side supporting bearings move in the X direction along with the Y-axis linear sliding table, when the movement of the Y-axis linear sliding table in the X direction is stopped, the cantilever end can be supported, the deflection amount of the cantilever end of the Y-axis linear sliding table can be absorbed, the deflection amount of the cantilever end of the Y-axis linear sliding table can be reduced greatly, the sampling part can perform sampling work quickly and stably, and the influence on the normal work of the device is avoided; adjusting bolts are arranged at two ends of the vertical plate of the L-shaped supporting plate, and the Y-axis linear sliding table is ensured to move stably in the X-axis direction by adjusting the levelness of the height adjusting supporting strip of each adjusting bolt; the L-shaped mounting plate is provided with a lower supporting bearing, the rolling surface of the lower supporting bearing is generally not contacted with the lower surface of the supporting bar, and the lower supporting bearing is provided with a plurality of mounting points on the L-shaped mounting plate, so that the supporting bar is prevented from being deformed and locked to influence the normal work of the device; one TIP head is used for one sample, and the sample is discarded after use, so that cross contamination among samples is avoided, and experimental errors are increased; and, in the sampling process, the lower extreme support bearing can contact with the support bar lower surface under the effect of the time of the portion of sampling ascending time power, and the reaction is in the sample portion below simultaneously, does not warp because of the cantilever about the Z direction when guaranteeing the sample, guarantees that the sampling process goes on fast and stably.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of an X-axis linear slide table of the present invention.
Fig. 3 is a shaft measuring view of the X-axis linear slide table of the present invention.
Fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.
Fig. 5 is a schematic structural view of the Y-axis linear slide table of the present invention.
Fig. 6 is a shaft measuring view of the Y-axis linear slide of the present invention.
Fig. 7 is a partially enlarged schematic view of a portion B in fig. 6.
Fig. 8 is a shaft measuring view of the Z-axis linear slide of the present invention.
Fig. 9 is an exploded view of the structure of the Z-axis linear slide table of the present invention.
Fig. 10 is a schematic structural view of the present invention (with the chassis hidden).
Fig. 11 is a schematic view of fig. 10 rotated 90 degrees clockwise.
Fig. 12 is an exploded view of the structure of the sampling part of the present invention.
FIG. 13 is a schematic view of the structure of the sampling part of the present invention.
Fig. 14 is a schematic view of the structure of the adaptor of the present invention.
Fig. 15 is a cross-sectional view taken along line C-C of fig. 14.
FIG. 16 is an axial schematic view of an adapter of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly. In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1, the three-axis movement sampling mechanism of the present invention includes a frame 1, an X-axis linear sliding table 2, a Y-axis linear sliding table 3, a Z-axis linear sliding table 4, a cantilever support portion 5 and a sampling portion 6;
the X-axis linear sliding table 2 shown in fig. 2-4 comprises an X-axis base 21, an X-axis slide rail 22, an X-axis sliding table 23, an X-axis driving motor 24, an X-axis driven wheel 25, a drag chain 26 and an X-axis belt adjusting unit, wherein the X-axis base 21 is a rectangular shell with left and right side surfaces removed, and two ends of the X-axis base 21 are fixed on the frame 1; the X-axis driving motor 24 is arranged between the upper side and the lower side of one end of the shell in a penetrating manner, and the X-axis driven wheel 25 is arranged between the upper side and the lower side of the other end of the shell in a penetrating manner and is positioned on the same plane with the electric shaft of the X-axis driving motor 24; the X-axis driving motor 24 and the X-axis driven wheel 25 are connected and driven through an X-axis belt 27; the X-axis slide rail 22 is arranged at the top of the X-axis base 21, the X-axis slide rail 22 is provided with an X-axis sliding table 23 matched with the X-axis slide rail 22, and the X-axis slide rail 22 and the X-axis sliding table 23 form an X-axis moving pair mechanism; an X-axis connecting piece 28 is arranged on the side surface of the X-axis sliding table, and the other end of the X-axis connecting piece 28 is fixed on an X-axis belt 27 to convert the rotation of the X-axis driving motor 24 into the movement of the X-axis sliding table 23; an X-axis fixing plate 29 is arranged right above the X-axis belt 27, one end of a drag chain 26 is fixed on the X-axis fixing plate 29, the other end of the drag chain 26 is connected with the Y-axis linear sliding table 3, and the drag chain 26 is used for protecting power lines, signal lines and the like which are arranged in the drag chain 26 in a penetrating mode;
the X-axis belt adjusting unit is provided with an X-axis adjusting block 210, an X-axis fixing block 211, an X-axis spring 212 and an X-axis bolt 213, wherein the X-axis driven wheel 25 is fixed at the upper part of the X-axis adjusting block 210, the X-axis adjusting block 210 is fixed on the X-axis base 21 through a bolt arranged in a long circular hole of the X-axis adjusting block 210 in a penetrating way, the X-axis fixing block 211 is fixed on the X-axis base 21 through a bolt, the X-axis fixing block 211 is provided with the X-axis bolt 213, the X-axis spring 212 in a compressed state is sleeved on the X-axis bolt 213, the X-axis spring 212 always props against the X-axis adjusting block 210, when the X-axis belt 27 needs to be adjusted, the bolt on the X-axis adjusting block 210 is loosened, the X-axis belt 27 is automatically tensioned under the action of the X-axis spring 212, and the X-axis belt 27 is prevented from slipping;
the Y-axis linear sliding table 3 shown in fig. 5-7 has a Y-axis base 31, a Y-axis slide rail 32, a Y-axis sliding table 33, a Y-axis driving motor 34, a Y-axis driven wheel 35, a flat cable 36 and a Y-axis belt adjusting unit, the Y-axis driving motor 34 is fixed at one end of the Y-axis base 31, the Y-axis driven wheel 35 is fixed at the other end of the Y-axis base 31, the Y-axis driven wheel 35 and the electric shaft of the Y-axis driving motor 34 are located at the same side of the Y-axis base 31, and the Y-axis driving motor 34 and the Y-axis driven wheel 35 are connected and driven by a Y-axis belt 37; a Y-axis sliding rail 32 is arranged on the other side surface of the Y-axis base 31, a Y-axis sliding table 33 is arranged on the Y-axis sliding rail 32, and the Y-axis sliding rail 32 and the Y-axis sliding table 33 form a Y-axis sliding pair mechanism; a Y-axis connecting piece 38 is arranged on the lower section of the Y-axis belt 37, and the other end of the Y-axis connecting piece 38 is fixedly connected with the Z-axis linear sliding table and is used for transmitting power to drive the Z-axis linear sliding table to move in the Y-axis direction; a Y-axis fixing plate 39 is arranged right above the Y-axis belt 37, and one end of the flat cable 36 is fixed on the Y-axis fixing plate 39;
the Y-axis belt adjusting unit is provided with a Y-axis adjusting block 310, a Y-axis jacking block 311, a Y-axis fixing block 312, a Y-axis spring 313 and a Y-axis bolt, the Y-axis driven wheel 35 is fixed on the Y-axis adjusting block 310, the Y-axis adjusting block 310 is fixed in a groove at the end of the Y-axis driven wheel 35 of the Y-axis base 31 through a bolt penetrating through a long circular hole of the Y-axis adjusting block 310, the Y-axis jacking block 311 is fixed on a boss of the Y-axis adjusting block 310, the Y-axis fixing block 312 is fixed at the bottom of the groove at the end of the Y-axis driven wheel 35 on the Y-axis base 31 through a bolt, the Y-axis fixing block 312 is provided with the Y-axis bolt, the Y-axis spring 313 in a compressed state is sleeved on the Y-axis bolt, and the Y-axis spring 313 always jacks the Y-axis adjusting block 310 tightly, so that the Y-axis belt 37 is automatically tensioned and the Y-axis belt 37 is prevented from slipping;
the Y-axis linear sliding table 3 is fixed on the X-axis sliding table 23 by fixedly connecting the Y-axis driving motor 34 end of the Y-axis linear sliding table 3 with the X-axis sliding table 23, the other end of the Y-axis linear sliding table 3 is in a suspended state and is a cantilever end, and the cantilever end is connected with a cantilever supporting part, so that the stable movement of the Y-axis linear sliding table 3 in the X-axis direction is realized;
the Z-axis linear sliding table 4 shown in fig. 8-9 has a Z-axis base 41, a Z-axis slide rail 42, a Z-axis sliding table 43, a Z-axis driving motor 44, a Z-axis driven wheel 45 and a Z-axis belt adjusting unit, wherein the Z-axis driving motor 44 is arranged at the upper end of the front side surface of the Z-axis base 41, the Z-axis driven wheel 45 is arranged at the lower end of the front side surface of the Z-axis base 41, and the Z-axis driving motor 44 and the Z-axis driven wheel 45 are connected and driven by a Z-axis belt 46; the Z-axis slide rail 42 is arranged on the Z-axis base 41, the Z-axis slide rail 42 is provided with a Z-axis sliding table 43 which slides in a matched manner with the Z-axis sliding table 43, and the Z-axis slide rail 42 and the Z-axis sliding table 43 form a Z-axis sliding pair mechanism; the Z-axis sliding table 43 is fixed on the lower section of the Z-axis belt 46, and converts the rotation of the Z-axis driving motor 44 into the movement of the Z-axis sliding table 43; a flat cable mounting plate 47 is arranged on the rear side surface of the Z-axis base 41 and is used for extending and connecting the flat cable 36 to the Z-axis driving motor 44 and the sampling part 6;
the Z-axis belt adjusting unit is provided with a Z-axis adjusting block 48, a Z-axis fixing block 49, a Z-axis spring 410 and a Z-axis bolt, the Z-axis driven wheel 45 is fixed at the upper part of the Z-axis adjusting block 48, the Z-axis adjusting block 48 is fixed on the Z-axis base 41 through a bolt penetrating through a long circular hole of the Z-axis base 41, the Z-axis fixing block 49 is fixed on the Z-axis base 41 through a bolt, the Z-axis bolt is arranged on the Z-axis fixing block 49, the Z-axis spring 410 in a compressed state is sleeved on the Z-axis bolt, and the Z-axis spring 410 always props against the Z-axis adjusting block 48, so that the Z-axis belt 46 is automatically tensioned, and the Z-axis belt 46 is prevented from slipping;
the Y-axis sliding table 33 and the Y-axis connecting sheet 38 of the Y-axis linear sliding table 3 are fixedly connected with the Z-axis base 41 of the Z-axis linear sliding table 4, so that the Z-axis linear sliding table 4 moves in the Y-axis direction;
wherein, the two ends of each slide rail are provided with derailing prevention devices to prevent the sliding table on the slide rail from derailing;
the cantilever support 5 shown in fig. 10-11 comprises an L-shaped mounting plate 51, an upper support bearing 52, a lower support bearing 53, a side support bearing 54 and a support unit, wherein the side surface of the intersection of the horizontal section and the vertical section of the L-shaped mounting plate 51 is provided with the upper support bearing 52, the lower support bearing 53 is arranged below the upper support bearing 52, the top of the horizontal section of the L-shaped mounting plate 51 is fixedly connected with one end of a connecting plate, the bottom of the other end of the connecting plate is provided with two vertically arranged side support bearings 54, and the rolling surfaces of the side support bearings 54 and the rolling surfaces of the upper support bearing 52 are in a mutually perpendicular relationship; wherein, the lower part of the vertical section of the L-shaped mounting plate 51 is fixedly connected with the cantilever end of the Y-axis linear sliding table 3;
the supporting unit is provided with an L-shaped supporting plate 55 and a supporting bar 56, the supporting bar 56 is provided with a plurality of vertical oblong holes which are uniformly distributed, the supporting bar 56 is fixed on the outer side surface of a vertical plate of the L-shaped supporting plate 55 through bolts which are arranged in the oblong holes in a penetrating manner, the supporting bar 56 is positioned between an upper supporting bearing 52 and a lower supporting bearing 53, the rolling surface of the upper supporting bearing 52 is pressed on the upper surface of the supporting bar 56, but the upper supporting bearing 52 and the lower supporting bearing 53 have a certain distance, the rolling surface of the lower supporting bearing 53 is generally not contacted with the lower surface of the supporting bar 56, and the lower supporting bearing 53 is provided with a plurality of mounting points on an L-shaped mounting plate 51, so that the supporting bar 56 is prevented from being deformed and jammed, and the normal work of the device is prevented from being influenced; in the sampling process, the lower supporting bearing 53 is contacted with the lower surface of the supporting bar 56 under the action of force generated when the sampling part 6 ascends, and simultaneously reacts on the lower sampling part 6, so that the upper part and the lower part in the Z direction are not deformed by a cantilever in the sampling process; the outer side surface of the vertical plate of the L-shaped supporting plate 55 is in contact with the rolling surfaces of the two side supporting bearings 54, the two side supporting bearings 54 move in the X direction along with the Y-axis linear sliding table 3, when the movement of the Y-axis linear sliding table 3 in the X direction is stopped, the cantilever end can be supported, the deflection amount of the cantilever end of the Y-axis linear sliding table 3 can be absorbed, the deflection amount of the cantilever end is greatly reduced, the sampling part 6 can rapidly and stably perform sampling work, and the influence on the normal work of the device is avoided; the X-axis linear sliding table 2 is provided with a support unit with an L-shaped support plate 55 and a support bar 56, the support unit is arranged in parallel with the X-axis linear sliding table 2, adjusting bolts 57 are arranged on the outer side surface of a vertical plate of the L-shaped support plate 55 and two ends above the support bar 56, the adjusting bolts 57 are fixed on the outer side surface of the vertical plate of the L-shaped support plate 55 through a fixing block, and the levelness of the support bar 56 is adjusted by adjusting the height of the adjusting bolts 57, so that the Y-axis linear sliding table 3 is ensured to move stably in the X-axis direction;
wherein, the supporting unit is fixed on the frame 1 through an L-shaped supporting plate 55;
the sampling part 6 shown in fig. 12 to 16 has a sampling base 61, a plunger pump motor 62, a plunger pump 63, a sampling connector 64, an adapter 65, a TIP head 66 (a TIP for collecting a sample), a pressure sensor 67, and a TIP head sensor 68, wherein the plunger pump motor 62 is provided on the upper part of the front side of the sampling base 61, the plunger pump 63 is provided on the lower part, and the plunger pump motor 62 is drivingly connected to the plunger pump 63; the Z-axis slide table 43 is fixed to the rear side surface of the sampling base 61, and allows the sampling unit 6 to have a degree of freedom of movement in the Z-axis direction; a sensing connecting plate 69 is arranged on the right side surface of the sampling base 61, the pressure sensor 67 is vertically and downwardly arranged on the sensing connecting plate 69 and is communicated with the plunger pump 63 through a pressure pipeline to detect the pressure value in the cavity of the plunger pump 63, so that whether air leakage occurs in the whole liquid path in the working process is monitored, and the phenomena of liquid leakage and liquid splashing are prevented; the adapter 65 is provided with a connecting disc 74 at the upper part, two convex rings 71 at the lower port, and a through hole is arranged in the adapter 65; the outlet of the plunger pump 63 is sequentially provided with a sampling connecting piece 64, an adapter 65 and a TIP head 66 in a sealing and communicating manner; a sampling fixing block 610 is arranged on the sampling base 61 positioned at the position of the adapter 65, the sampling fixing block 610 is connected with the connecting disc 74 above the adapter 65, a sampling connecting piece 64 is arranged between the adapter 65 and the plunger pump 63, a through hole is formed in the middle of the sampling connecting piece 64, and sealing rings are arranged at the joints of the sampling connecting piece 64, the plunger pump 63 and the adapter 65 and are connected in a sealing manner; a TIP head induction piece 68 is sleeved on the lower part of the adapting piece 65, the TIP head induction piece 68 is provided with a mounting disc, two bolt holes and an induction head are arranged on the mounting disc, the TIP head induction piece 68 is fixed on a connecting disc 74 of the adapting piece 65 through bolts penetrating through the bolt holes of the mounting disc, and a spring 72 is sleeved on the bolt between the mounting disc and the connecting disc 74 of the adapting piece 65 and used for tightly propping against the TIP head induction piece 68; a sampling connecting piece 611 is arranged on the side surface of the sampling fixing block 610, a sensor 73 is arranged at the lower end of the sampling connecting piece 611, the sensing head is positioned between the sensors 67 and used for detecting whether the TIP head 66 exists or not, when the TIP head 66 exists, the sensing head is positioned between the sensors 73, and when the TIP head 66 does not exist, the TIP head sensing piece 68 moves downwards under the action of elastic force, and the sensing head is positioned below the sensor 73; the lower port of the adapter 65 is connected with the TIP head 66, and the adapter 65 and the TIP head 66 form a sealing connection under the action of two raised rings 71 at the lower port of the adapter 65; the plunger pump 63, the sampling connecting piece 64, the adapter 65 and the TIP head 66 form a sealed passage, and a plunger in the plunger pump 63 reciprocates up and down under the action of the plunger pump motor 62, so that pressure difference is generated in a cavity of the plunger pump 63, and the TIP head 66 completes the sampling action.
The working process of the invention is briefly described as follows:
the movement of the sampling part 6 in the X-axis direction is realized through the X-axis linear sliding table 2;
the movement of the sampling part 6 in the Y-axis direction is realized through the Y-axis linear sliding table 3;
the movement of the sampling part 6 in the Z-axis direction is realized through the Z-axis linear sliding table 4;
in the process that the sampling part 6 moves in the X-axis direction, the deflection amount of the cantilever end of the Y-axis linear sliding table 3 is supported and absorbed by the cantilever supporting part 5, and the deflection amount of the cantilever end is greatly reduced, so that the sampling part 6 can rapidly and stably perform sampling work, and the normal work of the device is prevented from being influenced;
the plunger in the plunger pump 63 reciprocates up and down under the action of the plunger pump motor 62, so that pressure difference is generated in the cavity of the plunger pump 63, and the TIP head 66 completes the sampling action;
And 2, sending action signals to the X-axis driving motor 24, the Y-axis driving motor 34, the Z-axis driving motor 44 and the plunger pump motor 62 through the control system, and enabling the X-axis driving motor 24, the Y-axis driving motor 34, the Z-axis driving motor 44 and the plunger pump motor 62 to act so as to enable the TIP head 66 to move to a specified position for dripping liquid, thereby completing the sampling process.
The Y-axis linear sliding table has the advantages that the vertical plate of the L-shaped supporting plate 55 is provided with the two side supporting bearings 54, the two side supporting bearings 54 move in the X direction along with the Y-axis linear sliding table 3, when the movement of the Y-axis linear sliding table 3 in the X direction is stopped, the cantilever end can be supported, the deflection amount of the cantilever end of the Y-axis linear sliding table 3 can be absorbed, the deflection amount of the cantilever end is greatly reduced, the sampling part 6 can rapidly and stably perform sampling operation, and the influence on the normal operation of the device is avoided; adjusting bolts 57 are arranged at two ends of a vertical plate of the L-shaped supporting plate 55, and the Y-axis linear sliding table 3 is ensured to move stably in the X-axis direction by adjusting the levelness of a height adjusting supporting strip 56 of each adjusting bolt 57; the L-shaped mounting plate 51 is provided with a lower support bearing 53, the rolling surface of the lower support bearing 53 is generally not contacted with the lower surface of the support bar 56, and the lower support bearing 53 is provided with a plurality of mounting points on the L-shaped mounting plate 51, so that the support bar 56 is prevented from being deformed and locked to influence the normal work of the device; one TIP head 66 is used for one sample, and the sample is discarded after being used, so that cross contamination among samples is avoided, and experimental errors are increased; in addition, in the sampling process, the lower end supporting bearing 53 can be in contact with the lower surface of the supporting bar 56 under the action of the ascending time force of the sampling part 6, and meanwhile, the lower end supporting bearing reacts on the lower sampling part 6, so that the Z direction is not deformed up and down due to the cantilever in the sampling process, and the sampling process is ensured to be performed quickly and stably.
In other embodiments of the present invention, the present invention further provides a fully automatic genital secretion detector, as shown in fig. 1, including the three-axis movement sampling mechanism of the present invention, which realizes movement in the X-axis, Y-axis and Z-axis directions for automatic sampling.
Claims (9)
1. A three-axis movement sampling mechanism is characterized by comprising
A frame;
a multi-axial motion unit arranged in the frame for realizing X, Y, Z three-direction motion;
a sampling portion provided on the multi-axial motion unit for sampling a lower sample.
2. The three-axis motion sampling mechanism of claim 1, further comprising
The cantilever support mechanism is arranged on the rack;
the multi-axial motion unit is composed of an X-axis motion mechanism, a Y-axis motion mechanism and a Z-axis motion mechanism;
the sampling part is arranged on the Z-axis movement mechanism and is used for sampling a lower sample;
the Y-axis movement mechanism is a cantilever type, and the cantilever supporting mechanism is arranged at the cantilever end of the Y-axis movement mechanism and used for supporting the Y-axis movement mechanism.
3. The three-axis motion sampling mechanism of claim 2, wherein the X-axis motion mechanism is an X-axis linear slide having an X-axis base, an X-axis slide rail, an X-axis slide, an X-axis drive motor, an X-axis driven wheel, and an X-axis belt adjustment unit;
the X-axis base is a rectangular shell, and two ends of the X-axis base are fixed on the rack; the X-axis driving motor is arranged at one end of the X-axis base, and the X-axis driven wheel is arranged at the other end of the X-axis base through the X-axis belt adjusting unit; the X-axis driving motor is connected with the X-axis driven wheel through an X-axis belt for transmission; the X-axis sliding rail is arranged at the top of the X-axis base, the X-axis sliding table matched with the X-axis sliding rail is arranged on the X-axis sliding rail, and the X-axis sliding rail and the X-axis sliding table form an X-axis moving pair mechanism; an X-axis connecting sheet is arranged on the side surface of the X-axis sliding table, the other end of the X-axis connecting sheet is fixed on an X-axis belt, and the X-axis sliding table is used for connecting the Y-axis movement mechanism; the X-axis belt adjusting unit is used for adjusting the X-axis driven wheel to enable the X-axis belt to be automatically tensioned.
4. The three-axis motion sampling mechanism of claim 3, wherein the Y-axis motion mechanism is a Y-axis linear slide having a Y-axis base, a Y-axis slide rail, a Y-axis slide, a Y-axis drive motor, a Y-axis driven wheel, and a Y-axis belt adjustment unit;
the Y-axis base is fixedly connected with the X-axis sliding table; the Y-axis driving motor is fixed at one end of the Y-axis base, the Y-axis driven wheel is arranged at the other end of the Y-axis base through the Y-axis belt adjusting unit, and the Y-axis driving motor and the Y-axis driven wheel are connected and driven through a Y-axis belt; the Y-axis sliding rail is arranged on the other side surface of the Y-axis base, a Y-axis sliding table matched with the Y-axis sliding rail is arranged on the Y-axis sliding rail, and the Y-axis sliding rail and the Y-axis sliding table form a Y-axis moving pair mechanism; a Y-axis connecting piece is arranged on the Y-axis belt, and the other end of the Y-axis connecting piece is fixedly connected with the Z-axis moving mechanism and is used for transmitting power to drive the Z-axis moving mechanism to move; the Y-axis belt adjusting unit is used for adjusting the Y-axis driven wheel to enable the Y-axis belt to be automatically tensioned.
5. The three-axis motion sampling mechanism of claim 4, wherein the Z-axis motion mechanism is a Z-axis linear sliding table, and is provided with a Z-axis base, a Z-axis sliding rail, a Z-axis sliding table, a Z-axis driving motor, a Z-axis driven wheel and a Z-axis belt adjusting unit;
the Z-axis base is fixedly connected with the Y-axis connecting piece; the Z-axis driving motor is arranged at one end of the Z-axis base, the Z-axis driven wheel is arranged at the other end of the Z-axis base through the Z-axis belt adjusting unit, and the Z-axis driving motor and the Z-axis driven wheel are connected and driven through a Z-axis belt; the Z-axis sliding rail is arranged on the Z-axis base, the Z-axis sliding table which is matched with the Z-axis sliding rail to slide is arranged on the Z-axis sliding rail, and the Z-axis sliding rail and the Z-axis sliding table form a Z-axis moving pair mechanism; the Z-axis sliding table is fixed on the Z-axis belt and converts the rotation of the Z-axis driving motor into the movement of the Z-axis sliding table; the Z-axis belt adjusting unit is used for adjusting the Z-axis driven wheel to enable the Z-axis belt to be automatically tensioned; and a sampling part is arranged on the Z-axis sliding table.
6. The three-axis motion sampling mechanism of claim 2, wherein the cantilever support mechanism has an L-shaped mounting plate, an upper support bearing, a lower support bearing, a side support bearing, and a support unit;
the lower part of the L-shaped mounting plate is fixedly connected with a cantilever end of the Y-axis linear sliding table, and the upper support bearing, the lower support bearing and the side support bearing are arranged on the upper part of the L-shaped mounting plate; the supporting unit is provided with an L-shaped supporting plate and a supporting strip, the supporting strip is fixed on the outer side surface of a vertical plate of the L-shaped supporting plate, and a transverse plate of the L-shaped supporting plate is connected with the rack; the rolling surfaces of the upper supporting bearing and the lower supporting bearing are respectively arranged on the upper surface and the lower surface of the supporting strip, and the rolling surfaces of the side supporting bearings are arranged on the outer side surface of the vertical plate of the L-shaped supporting plate.
7. The triaxial motion sampling mechanism of claim 5, wherein the sampling portion has a sampling base, a plunger pump motor, a plunger pump, a sampling connector, an adapter, a TIP head and a TIP head sensor;
the rear side surface of the sampling base is connected with the Z-axis sliding table, the upper part of the front side surface of the sampling base is provided with the plunger pump motor, the lower part of the front side surface of the sampling base is provided with the plunger pump, and the plunger pump motor is in driving connection with the plunger pump; the outlet of the plunger pump is sequentially communicated with the sampling connecting piece, the adapter and the TIP head in a sealing manner; the TIP head induction piece is sleeved at the lower part of the adapting piece and provided with a mounting disc, the mounting disc is provided with two bolt holes and an induction head, the TIP head induction piece is fixed on the connecting disc through bolts penetrating through the bolt holes of the mounting disc, and a spring is sleeved on the bolts between the mounting disc and the connecting disc; the sampling fixing block is provided with a sampling connecting piece, the lower end of the sampling connecting piece is provided with a sensor, and the induction head is positioned at the position of the sensor and used for detecting whether the TIP head exists or not.
8. The three-axis motion sampling mechanism of claim 7, wherein a pressure sensor is disposed on the sampling base, the pressure sensor communicating with the plunger pump through a pressure conduit for detecting a pressure value in the plunger pump cavity.
9. The utility model provides a full-automatic genital secretion detector which characterized in that: comprising the tri-axial motion sampling mechanism of any of claims 1-8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111583483.9A CN114354904A (en) | 2021-12-22 | 2021-12-22 | Triaxial movement sampling mechanism and full-automatic genital secretion detector |
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| CN202111583483.9A CN114354904A (en) | 2021-12-22 | 2021-12-22 | Triaxial movement sampling mechanism and full-automatic genital secretion detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116190197A (en) * | 2023-03-13 | 2023-05-30 | 中验检测股份有限公司 | Sample intelligent ionization processing device of mass spectrum detector |
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| CN209081895U (en) * | 2018-09-18 | 2019-07-09 | 安图实验仪器(郑州)有限公司 | Automatic sample-adding system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105259357A (en) * | 2015-11-09 | 2016-01-20 | 苏州怡创医疗器械有限公司 | Full-automatic chemiluminiscence tester |
| CN107831040A (en) * | 2017-10-30 | 2018-03-23 | 奉化市泰峰电气科技有限公司 | A kind of fluid sample sampler |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116190197A (en) * | 2023-03-13 | 2023-05-30 | 中验检测股份有限公司 | Sample intelligent ionization processing device of mass spectrum detector |
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