WO2024252789A1 - 蓋開閉装置、容器保管装置及び自動分析装置、並びに蓋の開閉方法 - Google Patents
蓋開閉装置、容器保管装置及び自動分析装置、並びに蓋の開閉方法 Download PDFInfo
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- WO2024252789A1 WO2024252789A1 PCT/JP2024/014943 JP2024014943W WO2024252789A1 WO 2024252789 A1 WO2024252789 A1 WO 2024252789A1 JP 2024014943 W JP2024014943 W JP 2024014943W WO 2024252789 A1 WO2024252789 A1 WO 2024252789A1
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- opening
- lid
- closing
- protrusion
- container
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
Definitions
- the present invention relates to a lid opening/closing device and a lid opening/closing method for a case that stores containers in a container storage device suitable for an automatic analyzer that analyzes biological samples such as blood and urine, and in particular to a lid opening/closing device for a case that individually holds containers that hold standard samples and quality control samples, a container storage device, an automatic analyzer, and a lid opening/closing method.
- Patent Document 1 describes a device that includes a reagent storage that holds reagent containers that contain reagents, and a lid opening and closing device that includes a lid opening and closing member that is configured to be movable in a first direction parallel to the vertical direction and a second direction perpendicular to the first direction, and the lid opening and closing member is configured to be movable between a first position that is above the reagent container and a second position that is a position where the lid opening and closing member is lowered in the first direction from the first position until the bottom surface of the lid opening and closing member contacts the reagent container, and between the second position and a third position that is a position moved from the second position in the second direction, and when moving from the second position to the third position, the lid is opened by the first member, and when moving from the third position to the second position, the lid is closed by the second member.
- Automated analyzers are devices that automatically analyze blood and other biological samples and output the results, and are essential equipment in hospitals and medical testing facilities. There is a demand for such automated analyzers to perform a wider variety of tests in a shorter amount of time.
- Automated analyzers require quality control using standard samples and quality control samples when necessary, such as when they are started up each morning or when new reagents are added, which places a burden on the operator.
- an automatic analyzer that can achieve quality control without the operator having to input standard samples and quality control samples each time.
- Such an automatic analyzer requires a storage cabinet for storing standard samples and quality control samples.
- Standard samples and quality control samples are sometimes collectively referred to as QC samples or QC sample samples.
- the containers are stored in a case with an openable lid, and the lid is closed during storage to prevent evaporation of the liquid inside the container, and when dispensing liquid, the lid of the case is opened by a lid opening and closing device to allow, for example, a dispensing nozzle to access the inside of the container.
- a lid opening and closing device to allow, for example, a dispensing nozzle to access the inside of the container.
- the lid is opened and closed via a slope that acts as a so-called cam to convert the direction of movement and the direction of force.
- the force that opens and closes the lid is merely the component of the horizontal movement force that acts on the slope, so a greater horizontal force must be applied to the lid opening and closing member than the force required to open and close the lid.
- the horizontal force applied to the lid opening and closing member is used to open and close the lid, there are cases in which sufficient force is not obtained to open and close the lid.
- the horizontal movement force of the lid opening and closing member does not itself contribute to the opening and closing of the lid, it is also applied to the container via the lid, so there is an issue that the support shaft of the container or lid must be rigid enough to withstand horizontal forces.
- the present invention aims to provide a lid opening and closing device, a container storage device, an automatic analyzer, and a lid opening and closing method that can reliably open and close a lid provided on the top surface of a container case that stores sample containers inside.
- the present invention includes multiple means for solving the above problems, and one example is a lid opening and closing device that includes a storage section that stores a container for storing liquid, and an opening and closing section that opens and closes the lid of a case having an openable and closable lid attached to the upper surface of the storage section via a hinge, the opening and closing section includes a lever having a protrusion configured to be accessible to the lid, and the lid has a groove formed on its upper surface that can receive the protrusion of the lever and has a recess that forms a path along which the protrusion can move, and the relationship between a first position of the protrusion where the recess receives the protrusion when the lid is closed and a second position of the protrusion when the protrusion engages with the recess to open the lid is such that the second position is vertically higher than the first position, and their vertical positions relative to the horizontal plane of the opening are different.
- a lid opening and closing device that includes an opening and closing unit that opens and closes the lid of a case having a storage unit that stores a container for storing a liquid and an openable and closable lid attached to the top surface of the storage unit via a hinge, and a control unit that controls the operation of the opening and closing unit, in which the opening and closing unit has a lever with a convex portion configured to be accessible to the lid, and the lid has a groove formed on its top surface that can receive the convex portion of the lever and has a concave portion that constitutes a path along which the convex portion can move, and the control unit controls the operation of the opening and closing unit to cause the convex portion to access the concave portion and move the convex portion horizontally along the path toward the hinge to engage the convex portion with the concave portion, and in the engaged state, to move the lever upward to open the lid.
- the lid provided on the top surface of the container case in which the sample container is stored can be opened and closed reliably.
- FIG. 1 is a schematic plan view of an automatic analyzer according to a first embodiment.
- 1A is a plan view of a container case and
- FIG. 1B is a plan view of a holder of a container storage device according to a first embodiment.
- This is a cross-sectional view taken along line AA in FIG. 1 is a perspective view of the configuration of a lid opening and closing device according to a first embodiment, seen from above and behind; A CC cross-sectional view of the lid opening/closing device and container storage cabinet in the first embodiment.
- FIG. 2 is a top view of the lid opening and closing device according to the first embodiment.
- FIG. 5 is a cross-sectional view of the lid opening and closing device according to the first embodiment taken along line E-E.
- FIG. 3A to 3C are three-view diagrams showing the configuration of a container case and a lid body in the container storage device according to the first embodiment.
- 5 is a cross-sectional view taken along line FF showing the configuration of a container case and the opening operation of a lid body in the container storage device according to the first embodiment.
- FIG. 3 is a perspective view showing the opening operation of the lid body by the lid opening and closing device according to the first embodiment;
- FIG. 4A to 4C are vertical cross-sectional views showing the opening operation of the lid body by the lid opening and closing device according to the first embodiment.
- 4A to 4C are vertical cross-sectional views showing the opening operation of the lid body by the lid opening and closing device according to the first embodiment.
- 4A to 4C are vertical cross-sectional views showing the opening operation of the lid body by the lid opening and closing device according to the first embodiment.
- 5A to 5C are vertical cross-sectional views showing the closing operation of the lid body by the lid opening and closing device according to the first embodiment.
- 5 is a vertical cross-sectional view showing an initialization operation of the lid body by the lid opening and closing device according to the first embodiment.
- FIG. 5 is a vertical cross-sectional view showing an initialization operation of the lid body by the lid opening and closing device according to the first embodiment.
- FIG. 5 is a vertical cross-sectional view showing an initialization operation of the lid body by the lid opening and closing device according to the first embodiment.
- FIG. 5 is a vertical cross-sectional view showing an initialization operation of the lid body by the lid opening and closing device according to the first embodiment.
- FIG. 11 is a cross-sectional view taken along line D-D when an abnormally lowered state is detected in the cover opening/closing device according to the first embodiment.
- FIG. 5 is a flowchart showing a lid body opening operation performed by the lid opening and closing device according to the first embodiment.
- 5 is a flowchart showing a lid closing operation performed by the lid opening and closing device according to the first embodiment.
- FIG. 5 is a flowchart showing a lid body initialization operation performed by the lid opening and closing device according to the first embodiment.
- 13A and 13B are perspective views of a reagent bottle pack having a lid body that is opened and closed by a lid opening and closing device according to the present invention, respectively.
- FIG. FIG. 28 is a diagram showing the configuration of a lid opening/closing device and a container storage cabinet according to a second embodiment, illustrating a cross section taken along line HH in FIG. 27. 26 is a diagram showing a cross section taken along the line GG in FIG. 25.
- 13 is a plan view of a lid opening/closing device and a container storage cabinet according to a second embodiment.
- 13A to 13C are diagrams showing various modified examples of the hook portion in the lid opening and closing device of the fourth embodiment.
- lid opening/closing device container storage device
- automatic analyzer as well as the lid opening/closing method of the present invention, are described with reference to the drawings. Note that in the drawings used in this specification, identical or corresponding components are given the same or similar reference numerals, and repeated explanations of these components may be omitted.
- FIG. 1 A first embodiment of a lid opening/closing device, a container storage device, an automatic analyzer, and a lid opening/closing method of the present invention will be described with reference to Figs. 1 to 24.
- Figure 1 is a schematic plan view of the automatic analyzer.
- the automated analyzer 2 includes a container storage device 1 for storing QC sample containers 4 used for measurements in an analyzer 3, an analyzer 3 that is a device for measuring the physical properties of samples and requires the analysis accuracy to be guaranteed using QC samples, etc., a pre-processing device 5 that performs various pre-processing on the samples prior to their analysis in the analyzer 3, and a post-processing device that performs various post-processing on the samples after their analysis, etc.
- the control device 6 includes, for example, a control computer, drive circuits for each drive motor, a control circuit for the barcode reader, a memory device for read barcodes, signal detection circuits for various sensors, a control circuit for the cooling device, a display circuit for the monitor, and so on, and controls the various operations of each mechanism and each part within the container storage device 1, including the opening and closing unit.
- the analyzer 3, pre-processing device 5, post-processing device, and container storage device 1 that make up the automated analyzer 2 can be one or more, or can be omitted as appropriate, and can be modified as appropriate depending on the system configuration. They are connected to each other by the first transport path 10, and sample containers and racks holding sample containers can be moved and exchanged.
- Figure 2 is a schematic plan view of the container storage device and a cross-sectional view taken along line B-B in Figure 3, and Figure 3 is a cross-sectional view taken along line A-A in Figure 2.
- the holder is an annular holder 11 in which the container cases are arranged in three concentric circles, and the container cases 8 are arranged in the annular holder 11 concentrically with respect to the central axis 12 of the storage unit.
- the holder is not limited to an annular shape, and can be either a disk shape or a sector shape, but is not limited to these shapes.
- the container cases 8 do not need to be held concentrically in the holder, and can be arranged in other ways.
- the containers are sometimes referred to as specimen containers or QC specimen containers.
- the up, down, left, right, front and rear directions are based on the up, down, left, right, front and rear directions shown in Figures 1 to 3.
- the front and rear direction is the radial direction of the container storage cabinet 7 along A-A, and is a direction perpendicular to the first transport path 10.
- the left and right direction is a direction parallel to the first transport path 10 perpendicular to A-A.
- the general configuration of the container storage device 1 according to this embodiment will be explained with reference to Figures 2 and 3.
- the container storage device 1 has a roughly rectangular parallelepiped housing 13, and a roughly cylindrical container storage cabinet 7 is provided inside the housing 13.
- the container storage cabinet 7 is cylindrically arranged around the vertically oriented storage cabinet central axis 12, close to the first transport path 10 and the inside of the pair of second side surfaces on the left and right.
- the outer cylindrical surface and the top and bottom surfaces are covered with insulating material 14 with low thermal conductivity, and the container storage facility 7 is cooled by a cooling device (not shown for convenience) using, for example, low-temperature air.
- a circular disk 16 is provided inside the container storage vault 7 and rotatably supported around a disk support shaft 15 that is provided coaxially with the storage vault central axis 12.
- the disk 16 is connected to a drive motor (not shown), for example a stepping motor, via a disk drive shaft 17 and a timing belt (not shown), so that the disk 16 can rotate, and can be stopped at a predetermined angular position by an angle detection sensor (not shown).
- each container case 8 contains a QC sample container 4.
- the container cases 8 are arranged in three concentric circles, i.e., along an outer circle 18a, a middle circle 18b, and an inner circle 18c.
- a shutter opening 19 is provided on the rearward-facing radius of the drum top lid 25 that forms the top surface of the container storage cabinet 7.
- the shutter opening 19 is substantially rectangular, with one pair of sides forming a front-to-rear direction, and the other side being shorter than the pair of sides and perpendicular to the pair of sides.
- the length of one of the aforementioned sets of sides is such that the container cases 8 located on the outer circumferential circle 18a and the inner circumferential circle 18c of the triple concentrically arranged container cases 8 are exposed in a planar view
- the length of the other side is such that one of the container cases 8 is exposed in a planar view
- the opening dimensions are sufficient to allow the QC sample container 4 to be placed in or removed from the container case 8 by the container gripping device 21 described below.
- one side of the shutter opening 19 may be referred to as the long side, and the other side as the short side.
- the shutter opening 19 is provided with a shutter 20 that is opened and closed by a shutter opening and closing mechanism (not shown).
- a shutter opening and closing mechanism (not shown)
- an airtight sealant (not shown) is provided around the shutter 20 to prevent outside air from entering the cooled container storage cabinet 7 when the shutter 20 is closed, sealing the gap between the shutter opening 19 of the container storage cabinet 7 and the shutter 20.
- the disk 16 rotates and stops at a position where the central axis of a QC sample container 4 stored in a specified container case 8 provided in the container storage cabinet 7 coincides with the shutter opening 19, allowing the specified QC sample container 4 to be positioned within the range of the shutter opening 19.
- the lid opening/closing device 22 is provided adjacent to the shutter opening 19 on the same radius in a direction approaching the central axis 12 of the container storage 7. This lid opening/closing device 22 can act on the lid body 9 provided on the top surface of the container case 8 stored in the container storage 7 via the open shutter opening 19 to open and close the lid body 9.
- the container gripping device 21 (gripper) has an opening/closing claw at its bottom end that can grip and release the QC sample container 4 held in the container case 8, and is supported by the second transport path 23 so that it can move forward and backward and up and down.
- the container gripping device 21 can take the QC sample container 4 out of the container storage 7 and move it to the first transport path 10, where it can be placed on a container rack (not shown) or the like on the first transport path 10.
- Figure 4 is a perspective view from above and behind showing the configuration of the lid opening/closing device 22 and the container case 8 provided with the lid body 9
- Figure 5 is a C-C sectional view of the lid opening/closing device 22 and the container storage
- Figure 6 is a D-D sectional view of the lid opening/closing device 22 and the container storage
- Figure 7 is a top view of the lid opening/closing device 22.
- Figure 8 is an E-E sectional view showing the configuration of the lower end of the opening/closing arm 24 of the lid opening/closing device 22
- Figure 9 is a three-sided view showing the configuration of the container case 8 provided with the lid body 9 and the action of the hook portion 26 that opens and closes the lid body
- Figure 9(a) is a top view
- Figure 9(b) is a rear view
- Figure 9(c) is a cross-sectional view F-F.
- Figure 10 shows the state in which the lid body 9 is fully opened by the action of the hook portion 26, and further shows the state in which the QC sample container 4 is taken out of the container case 8 by the action of the container gripping device (gripper) 21
- Figure 11 is a perspective view from above and behind showing the operation of opening the lid 9 from a closed state by the action of the hook portion 26 of the lid opening/closing device 22.
- the lid opening/closing device 22 has an X-rail 28 extending in the front-rear direction (X direction) fixed to a highly rigid base 27, which is a metal plate such as aluminum provided on the top surface of the drum top lid 25, and an X-slider 29 supported so as to be freely slidable in the front-rear direction relative to the X-rail 28.
- a slide base 30 is fixed to this X-slider 29, and an X-rack 31 extending in the front-rear direction is provided on the slide base 30.
- An X-motor 33 is fixed to the base 27 via a mounting bracket 32, and the drive shaft from which the output of this X-motor 33 is taken is provided with an X-pinion 34, which rotates together with the drive shaft.
- the X-pinion 34 meshes with the X-rack 31, and when power is applied to the X-motor 33 to drive it into rotation, the X-pinion 34 rotates to move the X-rack 31 in the front-rear direction, and the slide base 30 and X-slider 29 move in the front-rear direction along the X-rail 28.
- the base 27 is provided with an X-origin sensor 35, which is, for example, a transmission type light detection sensor, that detects the origin, which is the reference position in the front-rear direction (X direction).
- X-origin sensor 35 which is, for example, a transmission type light detection sensor, that detects the origin, which is the reference position in the front-rear direction (X direction).
- a part of the X-rack 31 is an X-origin detection plate 36 that extends forward, and the origin can be detected by blocking the transmitted light of the X-origin sensor 35. The detailed conditions of the origin will be explained separately.
- An angle 37 that is roughly L-shaped when viewed from the side is fixed to the slide base 30.
- a Z-rail 38 that extends in the vertical direction is fixed to this angle 37, and the angle 37 is equipped with a Z-slider 39 that is supported so as to be freely slidable in the vertical direction relative to the Z-rail 38.
- the opening/closing arm 24 is fixed to the Z-slider 39.
- the opening/closing arm 24 has a fixed portion 40 for the Z slider 39, which has a generally rectangular cross section extending in the vertical direction, a bent portion 41 at the lower portion of the fixed portion 40, which is bent and inclined backwards in a direction away from the Z slider 39, and a lower end portion 42 below the bent portion 41, which is inclined more gently than the bent portion 41 but is inclined further backwards in a direction away from the Z slider 39.
- the lower end of the lower end 42 of the opening/closing arm 24 is provided with a cylindrical support portion 43 that extends in the same direction as the lower end 42 and thus extends in the longitudinal direction of the opening/closing arm 24.
- the lower end of this support portion 43 is provided with a cylindrical hook portion 26 that is perpendicular to the extension direction (longitudinal direction) of the support portion 43 and expands symmetrically in the left-right direction (short direction of the support portion 43). Both the support portion 43 and the hook portion 26 are configured to have a roughly inverted T-shape.
- the support rod 43 is inclined at a predetermined angle in the direction of fully opening the lid 9 with respect to the perpendicular line to the top surface of the lid 9. Specifically, the angle of inclination of the lower end 42 of the support rod 43 is approximately equal to the fully open angle of the lid 9 as described below, so as an example, it is desirable to have a configuration in which it is inclined at about 15° from the vertical, allowing the lid 9 to be opened at about 105°.
- the hook portion 26 has the function of opening and closing the lid body 9 inside the container storage unit 7, and the details of this will be explained separately. Note that the hook portion 26 is sometimes referred to as the protrusion of the opening and closing mechanism.
- a Z rack 44 is provided in the vertical direction along the fixed part 40 of the opening/closing arm 24.
- the Z rack 44 is supported in a state in which it can move in the vertical direction a predetermined amount, for example about 3 mm, via a slide pin 45 provided on the fixed part 40 of the opening/closing arm 24 and a pin receiving hole 46, which is an oblong hole in the vertical direction, provided in the Z rack 44. Note that multiple pairs of slide pins 45 and pin receiving holes 46 may be provided in the vertical direction along the Z rack 44.
- a part of the fixed part 40 of the opening/closing arm 24 is a spring seat 47a, and a compression spring 48, which is an abnormal descent detection spring, is sandwiched between the spring seat 47a and a spring seat 47b provided on a part of the Z rack 44, and the Z rack 44 is biased upward with a predetermined force.
- a Z motor 51 is fixed to the angle 37, and a Z pinion 52 is provided on the drive shaft that extracts the output of the Z motor 51 and rotates with the drive shaft.
- the Z pinion 52 meshes with the Z rack 44, and when power is applied to the Z motor 51 to drive it to rotate, the Z pinion 52 rotates and moves the Z rack 44 up and down, and the opening/closing arm 24 and the Z slider 39 move up and down along the Z rail 38.
- An example of the X motor 33 and Z motor 51 is a so-called stepping motor, which makes it possible to control the rotation angle and direction by the number of steps and drive pattern applied to the motor. As a result, the amount of movement in the horizontal direction and the amount of movement in the vertical direction can be controlled to a predetermined amount.
- Spring hooks 49, 49 are provided near the upper end of the angle 37 and directly below the opening/closing arm 24, and a tension spring 50 is stretched in the vertical direction.
- the tension spring 50 supports part of the weight of the components that move up and down, including the opening/closing arm 24, and has the effect of reducing the drive load torque of the Z motor 51.
- An abnormal descent detection sensor 53 which is, for example, a transmission type light detection sensor, is provided near the upper part of the Z rack 44, integral with the opening/closing arm 24.
- a part of the upper end of the Z rack 44 near the upper end constitutes an abnormal descent detection plate 54 that extends in a thin plate shape toward the right, and the presence or absence of an abnormal descent can be detected by blocking the transmitted light of the abnormal descent detection sensor 53. Details will be explained separately.
- the angle 37 is provided with a Z origin sensor 55 (origin height detection sensor), which is, for example, a transmission type light detection sensor, and part of the Z rack 44 forms an origin height detection plate 56 that extends forward in a thin plate shape, so that the height of the origin can be detected by blocking the transmitted light of the Z origin sensor 55.
- the Z origin sensor 55 is sometimes referred to as the Z origin sensor.
- Figure 8(a) shows the support portion 43 in an extended state
- Figure 8(b) is an E-E cross-sectional view showing the state in which the opening/closing arm 24 has been lowered, the support portion 43 has been contracted, and a predetermined pressure has been applied to the hook portion 26.
- the cylindrical support portion 43 above the lower end of the opening/closing arm 24 is a cylindrical support base 57 with a larger diameter than the support portion 43, and a thin pin 58 is provided perpendicular to the support portion 43, penetrating the support base 57 and protruding from the cylindrical surface of the support base 57.
- a cylindrical guide portion 59 Above the support base 57 is a cylindrical guide portion 59 with a smaller diameter than the support base 57.
- the support portion 43, support base 57, pin 58, and guide portion 59 can operate as a single unit.
- a guide member 60 with good sliding properties is provided between the opening/closing arm 24 and the support rod base 57 or guide portion 59, and is fitted inside the opening/closing arm 24.
- the lower portion of this guide member 60 is a large-diameter cylindrical hole with a slight gap from the support rod base 57
- the upper end portion of the guide member 60 is a large-diameter cylindrical hole with a slight gap from the guide portion 59
- the support rod portion 43 is supported by the support rod base 57 and guide portion 59 so that it can slide freely in the axial direction of the support rod portion 43.
- a step 61 is provided between the cylindrical hole corresponding to the support base 57 and the cylindrical hole corresponding to the guide portion 59.
- a compression spring 62 which has an outer diameter smaller than the support base 57 and an inner diameter larger than the guide portion 59, is provided between this step 61 and the upper surface of the support base 57, and is configured to press the support portion 43 or hook portion 26 with a predetermined force in the axial direction of the support portion 43, which is approximately downward.
- One example of the material for the guide member 60 is polyacetal (POM) resin.
- the length of the pressure spring 62 is L1.
- the pressure spring 62 contracts to L2 ( ⁇ L1) depending on the amount of pressure applied, thereby applying a predetermined pressure to the hook portion 26.
- the guide member 60 has an oval hole 63 with a long diameter in the axial direction of the support rod 43 at a location corresponding to the pin 58, and the range of motion of the pin 58 is limited to the range of the long diameter of the oval hole 63, thereby determining the amount of sliding movement of the support rod 43.
- the support rod 43 is supported so that it can move freely within a predetermined range in its longitudinal direction via the pressure spring 62.
- the force of the pressure spring 62 is smaller than the force of the compression spring 48, which is the abnormal descent detection spring, so that the abnormal descent detection does not function when the lid 9 is closed as a normal operation.
- the container case 8 has a stepped cylindrical shape with an opening on the top surface, the upper part being a first cylindrical portion 64 with a larger diameter, and the lower part being a second cylindrical portion 65 that is concentric with the first cylindrical portion 64 and has a smaller diameter than the first cylindrical portion 64. Between the first cylindrical portion 64 and the second cylindrical portion 65 is a stepped portion 83, and the container case 8 is placed on the annular holder 11 at the stepped portion 83.
- a ring-shaped seal member 66 is provided on the bottom surface of the case, which is the lowest surface of the second cylindrical portion 65, and when the QC sample container 4 is inserted, as shown in Figure 9 (c), it maintains an airtight seal between the QC sample container 4 and the outer cylindrical surface of the QC sample container 4.
- a lid shaft 67 is provided on the outer edge of the opening on the top surface of the container case 8, and the lid 9 that opens and closes the opening is supported around the lid shaft 67 so that it can be opened and closed freely.
- a disk-shaped sealant 68 provided on the underside of the lid 9 comes into contact with the inside of the opening of the container case 8 to seal the inside of the container case 8.
- a hook receiving portion 69 is provided on the top surface of the lid body 9 for opening and closing the lid body 9 by the action of the hook portion 26.
- the hook receiving portion 69 is generally U-shaped in plan view, with the rear end surface 70 of the hook receiving portion being open.
- the hook receiving portion end surface 70 has an inverted T-shaped groove formed by the hook receiving portion 69 and a front-rear groove portion 71 provided on the upper surface of the hook receiving portion 69, allowing the inverted T-shaped support portion 43 and hook portion 26 of the opening/closing arm 24 to be inserted or removed.
- the groove shape is symmetrical on both sides of the support portion 43, with the hook receiving portion 69 in between.
- control device 6 controls the operation of the opening/closing unit so that the hook portion 26 accesses the hook receiving portion 69, moves the hook portion 26 horizontally along a path toward the lid body support shaft 67, and engages the hook portion 26 with the hook receiving portion 69, and when engaged, moves the opening/closing arm 24 upward to open the lid body 9.
- the support rod 43 is moved horizontally by a travel distance of 84 and inserted into a groove 71 in the front-to-rear direction provided on the top surface of the hook receiving portion 69, and the hook portion 26 is inserted between the top surface of the lid body 9 and the lid groove top surface 72 that is parallel to the top surface of the lid body. Pressing the support rod 43 downward closes the lid body 9, and lifting the support rod with the hook portion 26 positioned below the lid groove top surface 72 opens the lid body 9.
- the area 73 on the top surface of the lid 9 between the rear circumferential portion and the hook receiving portion end face 70 can move the support rod 43 and hook portion 26 downward from directly above to abut against the top surface of the lid 9, and if they continue to move horizontally forward, i.e., in the direction approaching the lid support shaft 67, the hook portion 26 is inserted into the groove of the hook receiving portion 69.
- the position of the hook portion 26 at this time is sometimes referred to as the "first position.”
- Area 73 is also an area where, when the support rod 43 is raised while the lid 9 is closed, the hook portion 26 can move away from the top surface of the lid 9, releasing the interaction between the support rod 43 and the hook portion 26 and the lid 9. This area 73 is sometimes referred to as the access position.
- Region 73 is the maximum distance from the lid body support shaft 67, and is therefore preferable because the moment around the lid body support shaft 67 is maximized, ensuring reliable closure.
- the portion of the lid body 9 that is furthest from the lid body support shaft 67 may be referred to as the tip of the lid body 9.
- the tip of the lid body 9 is adjacent to the region 73.
- Figure 10 is a cross-sectional view showing the state in which the lid 9 is fully open and the container is grasped by the grasping claws 21a of the container grasping device 21 and removed upward.
- the hook portion 26 moves horizontally from the state where it is in contact with the top surface of the lid body 9 in the region 73 toward the lid body support shaft 67, the hook portion 26 is inserted into the hook receiving portion 69, and when the hook portion 26 is raised, the lid body 9 opens, for example, to about 30° to 45° depending on the amount of lift.
- the lid body 9 can be opened up to an angle parallel to the support rod 43.
- the lid body 9 can be opened up to an angle of 105 degrees.
- the hook portion 26 moves to the opposite side of the container case 8, straddling directly above the lid body support shaft 67, before the lid body 9 reaches the fully open angle.
- the position of the hook portion 26 at this time is sometimes referred to as the "second position.”
- the positional relationship between the "second position” of the hook portion 26 when the hook portion 26 engages with the hook receiving portion 69 to open the lid 9, and the "first position” of the hook portion 26 where the hook receiving portion 69 receives the hook portion 26 when the lid 9 is closed is such that the "second position" is vertically above the “first position.” Also, the "second position” is located forward or backward from the "first position,” and their vertical positions relative to the horizontal plane of the opening are different.
- a sealing material 68 is protruding from the underside of the lid body 9, that the opening on the top of the container case 8 is fully open without any obstruction in a plan view, and that the gripping claws 21a of the container gripping device 21 are securely inserted between the first cylindrical portion 64 of the container case 8 and the QC sample container 4.
- the opening/closing arm 24 is moved horizontally in the direction of the lid support shaft 67 (in the direction in which the hook portion 26 and the hook receiving portion 69 engage) to fully open the lid 9.
- the above operations allow the lid to be brought from a closed state to a fully open state.
- Figures 12 to 14 show the operation of the lid opening/closing device 22 moving from the origin position and going from a closed state to a fully open state through a series of operations.
- Figure 15 shows the operation of closing the lids by the action of the lid opening/closing device 22.
- Figures 16 to 19 show the operation of closing all the lids and returning to the origin position from a state in which the open/closed state of the lids is uncertain during a reset operation after a power outage or emergency stop.
- the representative part showing the operation of the lid opening/closing device 22 is the hook portion 26 that opens and closes the lid body 9, and the position and movement of the hook portion 26 indicate the operating state of the entire lid opening/closing device 22.
- Figure 12(a) shows the origin position of the lid opening/closing device 22
- Figure 12(b) shows a state in the middle of the opening operation
- Figure 13(c) shows a state in the middle of the opening operation
- Figure 13(d) shows a state in which the lid body has just started to open
- Figure 14(e) shows a state in the middle of the opening operation
- Figure 14(f) shows a fully open state.
- the lid opening/closing device 22 is in the origin position.
- the hook portion 26 is located outside the shutter opening 19, i.e., on the opposite side of the shutter opening 19 from the shutter opening edge 82, which is the frontmost edge of the shutter opening 19 in Figure 5, and is located above the drum top lid 25, in a position that does not interfere with the opening and closing operation of the shutter 20.
- Both the X origin sensor 35 and the Z origin sensor 55 are in a light-blocking state, and it can be confirmed that they are in the origin position in both the front-to-back and up-down directions.
- the hook portion 26 rises a predetermined amount, and the lid body 9 opens a certain amount according to the amount of rise of the hook portion 26.
- the hook portion 26 is raised excessively, the hook portion 26 will come off the hook receiving portion 69, so the amount of rise of the hook portion 26 must be kept within a range that maintains the hook portion 26 inserted into the hook receiving portion 69.
- this maximum opening angle is determined so that the opening on the top surface of the container case 8 is fully open without any obstruction in a plan view, and an opening angle of, for example, about 105° is preferable.
- the hook portion 26 is in the second position.
- the above series of operations causes the lid opening/closing device 22 to open the lid body 9.
- the lid opening/closing device 22 by aligning the opening/closing direction of the lid body 9 with the radial direction of the cylindrical container storage cabinet 7, the horizontal movement required for opening and closing the lid body 9 and the selection movement of the inner and outer periphery of the container cases 8 arranged concentrically inside the container storage cabinet 7 can be made in the same direction (X direction).
- This has the effect of simplifying the configuration by enabling a series of operations to be performed by only two-axis drive in the X-axis and Z-axis directions for the lid opening/closing device 22 as a whole.
- the container gripping device 21 When the lid 9 is fully open, the container gripping device 21 holds and removes the QC sample container 4 stored in the container case 8.
- the container gripping device 21 has gripping claws 21a at its lower end, and with the gripping claws 21a open, it descends to insert the gripping claws 21a into the container case 8, closes the gripping claws 21a to grip the QC sample container 4, and then rises in this state, allowing the QC sample container 4 to be removed from the container case 8.
- the gripping claws 21a at the bottom of the container gripping device 21 are thin enough to be inserted into the container case 8, but the upper part of the container gripping device 21 is the gripping claw drive unit 21b, which is large because it contains, for example, a motor and a cam.
- Figure 15(g) shows a state in the middle of the closing operation
- Figure 15(h) shows the fully closed state.
- control device 6 horizontally moves the opening/closing arm 24 along a path away from the lid body support shaft 67 while the hook portion 26 and the hook receiving portion 69 are engaged, and controls the operation of the opening/closing unit so that the opening/closing arm 24 moves downward to press against the top surface of the lid body 9, thereby closing the lid body 9.
- the X-motor 33 is driven to move the hook portion 26 horizontally rearward.
- the hook portion 26 moves rearward beyond the hook receiving end face 70 of the hook receiving portion 69 and is positioned above an area 73 near the tip of the lid body 9.
- the lid body 9 rotates in the closing direction around the lid body support shaft 67 due to its own weight.
- the sealing material 68 then comes into contact with the inner circumference of the top opening of the container case 8, resulting in a half-closed state.
- the Z motor 51 is driven to lower the hook portion 26.
- the Z motor 51 is driven in a direction to further lower it a predetermined amount, and as explained with reference to FIG. 8, the pressure spring 62 provided at the lower end 42 of the opening/closing arm 24 applies a closing force to the area 73 at the tip of the lid body 9, thereby closing it securely.
- the Z motor 51 is driven to raise the hook portion 26, and when the Z origin sensor 55 is shaded, it is at the origin height.
- the X motor 33 is driven to move horizontally forward, and when the X origin sensor 35 is shaded, it is at the origin position.
- the closing operation of the lid body 9 is not limited to the above operation, and the closing operation may be performed in the reverse order to the opening operation of the lid body 9 described with reference to Figures 12(a) to 14(f), that is, by the operation from Figure 14(f) to Figure 12(a).
- Figure 16(j) shows the start state of the initialization operation
- Figure 16(k) shows the state during the initialization operation
- Figure 17(l) shows the state after returning to the origin during the initialization operation
- Figure 17(m) shows the state during the initialization operation
- Figure 18(n) shows the half-closed state of the lid during the initialization operation
- Figure 18(p) shows the state during the initialization operation after returning to the origin
- Figure 19(q) shows the completed state of the initialization operation.
- the initialization operation is an operation to return to the origin position from a state in which the operation has stopped in a position other than the origin during a normal series of operations, for example due to a power outage during the operation or an emergency stop operation by the operator. If the lids 9 have moved from the origin position and are in the middle of opening or closing when the initialization operation starts, any of the lids 9 inside the shutter opening 19 may be in a half-open or fully open state, but the opening or closing state of each lid 9 cannot be determined by origin detection.
- the control device 6 then moves the hook portion 26 to a third position that is closer to the opening/closing portion than the top surface of the cover 9 that is closest to the opening/closing portion when the cover 9 is fully open among the multiple cover bodies 9, and then moves it horizontally from the third position to directly above the first position of the cover 9 that is farthest from the opening/closing portion among the multiple cover bodies 9, and controls the operation of the opening/closing portion to sequentially press the multiple cover bodies 9 from above to close all of the cover bodies 9.
- FIG. 16(j) shows an example of one state when the initialization operation starts, in which the central lid 9 of the container cases 8 arranged in three rows is fully open. Since it has moved from the origin position, both the X origin sensor 35 and the Z origin sensor 55 are in a translucent state.
- Figure 16(k) shows the state where the hook portion 26 is raised by driving the Z motor 51 without moving in the forward/backward direction, and the Z origin sensor 55 changes from light transmitting to light blocking.
- the height of the hook portion 26 is the same as the origin position.
- the hook portion 26 has disengaged from the hook receiving portion 69 of the lid body 9 and is in a higher position, so the lid body 9 may remain in the fully open position, or it may rotate in the closing direction to a semi-closed state in which the sealing material 68 abuts against the inner circumference of the top opening of the container case 8, as shown by the dashed line in the figure.
- Figure 16(l) shows a state in which the height in the Z direction does not change, but the X motor 33 is driven to move the hook portion 26 horizontally, and the X origin sensor 35 changes from light transmitting to light blocking. In this state, both the X origin sensor 35 and the Z origin sensor 55 are in a light blocking state, and it can be confirmed that the hook portion 26 has returned to the origin position.
- Figure 17(m) shows the state where the hook portion 26 has been moved horizontally rearward a predetermined amount and lowered downward a predetermined amount.
- the position of the hook portion 26 shown in Figure 17(m) is one where the height of the hook portion 26 is lower than the upper end of the fully open lid body 9, and the front-to-rear position of the hook portion 26 is in the region 74 for initialization operation, which is between the lid body 9 located most forward when the lid body 9 is fully open and the front-to-rear wall surface of the shutter opening 19.
- This region 74 is sometimes referred to as the "third position".
- Figure 18(n) shows the state where the hook portion 26 located in region 74 has been moved horizontally backward, near the tip of the rearmost lid body 9.
- the Z motor 51 is driven from the state in Figure 18(n) to raise the hook portion 26, and when the Z origin sensor 55 changes from light transmitting to light blocking, the height of the hook portion 26 becomes the same as the origin position and the rise is stopped.
- the X motor 33 is driven to move the hook portion 26 horizontally forward, and when the X origin sensor 35 changes from light transmitting to light blocking, it detects the origin and stops.
- both the X origin sensor 35 and the Z origin sensor 55 are in a light blocking state, and it can be confirmed that the hook portion 26 has returned to the origin position.
- Figure 19(q) shows the operation of closing all three rows of lids 9.
- the hook portion 26, which has returned to the origin position in the state shown in Figure 18(p), is first moved horizontally to area 73 near the tip of the frontmost lid 9 by driving the X motor 33, and then stopped. After that, the Z motor 51 is driven to bring the hook portion 26 into contact with the top surface of the lid 9, and the hook portion 26 is then lowered a predetermined amount until the lid 9 is pressed down by the pressure spring 62, thereby closing the lid 9.
- the Z motor 51 is driven to raise the hook portion 26 to the height of the origin, and then the X motor 33 is driven to move the hook portion 26 horizontally to the area 73 of the adjacent lid body 9, and the Z motor 51 is driven a predetermined amount to lower the hook portion 26 and close the lid body 9.
- the Z motor 51 is driven again to raise the hook portion 26 to the height of the origin, and then the X motor 33 is driven to move it horizontally to the area 73 of the adjacent lid body 9, and the Z motor 51 is driven a predetermined amount to lower the hook portion 26 and close the lid body 9.
- the Z motor 51 is then driven to raise the hook portion 26 to the height of the origin, and the X motor 33 is then driven to move the hook portion 26 forward to the origin.
- Figure 20 is a cross-sectional view taken along the line D-D, showing the function of detecting abnormal descent when the hook portion 26 does not descend the specified distance while descending due to reasons such as contact with a foreign object.
- the Z motor 51 continues to rotate, and the Z rack 44 is supported by the opening/closing arm 24 via the slide pin 45 and the pin receiving hole 46 so that it can move downward a predetermined amount, so that the Z rack 44 descends relative to the opening/closing arm 24 via the Z pinion 52, compressing the compression spring 48.
- the abnormal descent detection plate 54 descends together with the Z rack 44, so that the abnormal descent can be detected by blocking the transmitted light of the abnormal descent detection sensor 53 provided on the opening/closing arm 24.
- the control device 6 can detect that this is an abnormal descent and, for example, stop the descent and raise the hook portion, or notify the operator of the occurrence of the abnormality by displaying the abnormality on the control panel or by using an indicator light or an alarm sound.
- FIG. 21 is a flow chart showing the operation of opening the lid body 9 by the lid opening/closing device 22.
- step S101 the operator turns on the power and starts the automatic analyzer, and processing begins.
- step S102 the control device 6 checks the state of the X origin sensor 35 and the Z origin sensor 55. If both the X origin sensor 35 and the Z origin sensor 55 are blocked (OFF) (Yes), it is determined that the sensor is at the origin position and the process proceeds to step S103.
- step S103 the control device 6 drives the X-motor 33 a predetermined number of steps to move the hook portion 26 backward to directly above the access position of the lid body 9 to be opened, and then stops the X-motor 33.
- step S104 the control device 6 drives the Z motor 51 a predetermined number of steps to lower the hook portion 26 until it contacts the upper surface of the lid body 9, and then stops the Z motor 51.
- the hook portion 26 is in the access position.
- step S105 the control device 6 drives the X-motor 33 forward a predetermined number of steps to insert the hook portion 26 into the hook receiving portion 69 provided on the top surface of the lid body 9, and then stops the X-motor 33.
- step S106 the control device 6 drives the Z motor 51 a predetermined number of steps to raise the hook portion 26 a predetermined distance, and then stops the Z motor 51. This operation causes the lid body 9 to be in an open state, for example, at about 30° to 45°.
- step S107 the control device 6 drives the X-motor 33 a predetermined number of steps to move the hook portion 26 forward to the fully open position where the lid body 9 is opened by 105°, for example, and then stops the X-motor 33.
- step S108 the above operations complete the opening operation of the lid body 9, and the lid body 9 moves to the fully open position.
- Figure 22 is a flow chart showing the closing operation of the lid body 9 by the lid opening/closing device 22.
- step S201 the control device 6 confirms that the container gripping device 21 has finished removing the QC sample container 4, and then starts the process of closing the lid 9.
- step S202 the control device 6 drives the X-motor 33 to move the hook portion 26 backward a predetermined number of steps, moving the hook portion 26 to directly above the access position of the lid body 9.
- step S203 the control device 6 drives the Z motor 51 a predetermined number of steps to lower the hook portion 26 until it contacts the upper surface of the lid body 9.
- the hook portion 26 is in the access position.
- step S204 the control device 6 drives the Z motor 51 further in the direction of lowering the hook portion 26 by a predetermined number of steps, lowering the opening/closing arm 24 to compress the pressure spring 62 and apply a predetermined closing force from the hook portion 26 to the access portion of the lid body 9.
- step S205 the control device 6 drives the Z motor 51 a predetermined number of steps to raise the hook portion 26 a predetermined distance, and then stops the Z motor 51. At this time, the hook portion 26 rises to the origin height, and the Z origin sensor 55 changes from light transmitting (ON) to light blocking (OFF).
- step S206 the control device 6 drives the X motor 33 to move the hook portion 26 forward, and stops when the X origin sensor 35 changes from light transmitting (ON) to light blocking (OFF).
- step S207 once it is confirmed that both the X origin sensor 35 and the Z origin sensor 55 are in the light-blocking (OFF) state, the hook portion 26 is in the origin position, and the closing operation of the lid body 9 is completed.
- FIG. 23 is a flowchart showing the initialization operation of the lid opening/closing device 22.
- step S301 the control device 6 starts the initialization operation that is performed if, in step S102 after power-on, either the X origin sensor 35 or the Z origin sensor 55 is transparent (ON) and the hook portion 26 is not at the origin position.
- step S302 the control device 6 determines whether the Z origin sensor 55 is in a light-blocking (OFF) state and the hook portion 26 is at the origin height. If it is in a light-blocking (OFF) state (Yes), the hook portion 26 is at the origin height, and the process proceeds to step S304. If the Z origin sensor 55 is light-transmitting (ON) (NO), it is determined that the hook portion 26 has descended below the origin height, and the process proceeds to step S303.
- step S303 the control device 6 drives the Z motor 51 to raise the hook portion 26, and stops the Z motor 51 when the Z origin sensor 55 changes from the light-transmitting (ON) state to the light-blocking (OFF) state.
- the hook portion 26 reaches the origin height.
- step S304 the control device 6 determines whether the X origin sensor 35 is in a light-blocking (OFF) state and the hook portion 26 is in the origin position. If it is in a light-blocking (OFF) state (Yes), the hook portion 26 is in the origin position, and the process proceeds to step S306. If the X origin sensor 35 is light-transmitting (ON) (NO), the hook portion 26 is in a position moved rearward from the origin position, and the process proceeds to step S305.
- OFF light-blocking
- step S305 the control device 6 drives the X motor 33 to move the hook portion 26 forward.
- step S306 the control device 6 drives the X motor 33 to move the hook portion 26 rearward a predetermined number of steps, and positions the hook portion 26 directly above the area 73 (access position) described in FIG. 17(m). Furthermore, the control device 6 drives the Z motor 51 a predetermined number of steps to lower the hook portion 26 until it comes into contact with the area 73.
- step S307 the control device 6 drives the X-motor 33 to move the hook portion 26 rearward a predetermined number of steps until it reaches the vicinity of the tip of the rearmost lid body 9, as shown in FIG. 18(n).
- step S308 the control device 6 drives the Z motor 51 a predetermined number of steps to raise the hook portion 26 a predetermined distance, and then stops the Z motor 51. At this time, the hook portion 26 rises to the origin height, and the Z origin sensor 55 changes from light transmitting (ON) to light blocking (OFF).
- the X motor 33 is driven to move the hook portion 26 forward, and stops when the X origin sensor 35 changes from light transmitting (ON) to light blocking (OFF).
- step S310 the control device 6 drives the X motor 33 to move directly above the access position of the nth lid body 9.
- step S311 the control device 6 drives the Z motor 51 a predetermined number of steps to lower the hook portion 26 until it contacts the area 73.
- the opening/closing arm 24 is further lowered to compress the pressure spring 62 and apply a predetermined closing force from the hook portion 26 to the access portion of the lid body 9, thereby closing the lid body 9.
- the Z motor 51 is then driven a predetermined number of steps in the reverse direction to raise the hook portion 26 to the origin height.
- step S312 it is determined whether the number of operation repetitions n is the maximum value (Last). If it is the maximum value (Yes), the closing operation of all lid bodies 9 has been completed, and the process proceeds to step S314.
- step S313 If the number of motion repetitions n is not the maximum value (NO), the process proceeds to step S313.
- step S313 the number of repetitions n is incremented by 1, and the processing from step S310 onwards is executed.
- step S314 the control device 6 drives the X motor 33 to move the hook portion 26 forward, and stops when the X origin sensor 35 changes from light transmission (ON) to light blocking (OFF). If the lid 9 is to be opened subsequently, the process moves to (B) in FIG. 21 and the process from step S102 onwards is carried out.
- step S315 the hook portion 26 is in the origin position and the initialization operation is completed.
- the control device 6 can execute the opening, closing, and initialization operations of the lid body 9 by causing the lid opening/closing device 22 to perform the above operations.
- the horizontal and vertical movements of the lid opening/closing device 22 can be monitored by a sensor or the like in the opening direction, closing direction, and initialization, but it is preferable to determine a prescribed amount of movement in advance and operate the device according to this prescribed amount of movement from the standpoint of miniaturizing the device and simplifying its configuration.
- Figure 24 is a perspective view showing an embodiment of a reagent container 79 with a lid that opens and closes, or a reagent bottle 80 that contains multiple reagent containers 79 in a single case, rather than a container case.
- the configuration of the lids 9A and 9B is the same as that described in FIG. 9-FIG. 10.
- the lid opening/closing device 22 of the first embodiment of the present invention described above includes a container section for storing a QC sample container 4 that contains a liquid, and an opening/closing section for opening and closing the lid 9 of a container case 8 having an openable and closable lid 9 attached to the upper surface of the container section via a lid support shaft 67, the opening/closing section includes an opening/closing arm 24 having a hook portion 26 configured to be accessible to the lid 9, and the lid 9 has a groove formed on its upper surface that can receive the hook portion 26 of the opening/closing arm 24 and has a hook receiving portion 69 that constitutes a path along which the hook portion 26 can move, and the relationship between the first position of the hook portion 26 where the hook receiving portion 69 receives the hook portion 26 when the lid 9 is closed and the second position of the hook portion 26 when the hook portion 26 engages with the hook receiving portion 69 to open the lid 9 is such that the second position is vertically higher than the first position, and their vertical positions relative to the
- lid body 9 to be opened and closed by combining the horizontal movement and up and down movement of the hook portion 26, which engages with the lid body 9 to open and close it, which has the effect of opening the lid body 9 on the container case 8 stored inside the container storage device 1 and allowing for reliable lid opening and closing operations.
- the lid opening/closing device 22 of the first embodiment of the present invention described above includes an opening/closing unit that opens and closes the lid 9 of a container case 8 having a storage unit that stores a QC sample container 4 that contains a liquid, and an openable and closable lid 9 attached to the upper surface of the storage unit via a lid support shaft 67, and a control device 6 that controls the operation of the opening/closing unit.
- the opening/closing unit includes an opening/closing arm 24 having a hook portion 26 configured to be accessible to the lid 9, and the lid 9 has a groove formed on its upper surface that can receive the hook portion 26 of the opening/closing arm 24 and has a hook receiving portion 69 that forms a path along which the hook portion 26 can move.
- the control device 6 controls the operation of the opening/closing unit to make the hook portion 26 access the hook receiving portion 69, move the path horizontally toward the lid support shaft 67 to engage the hook portion 26 with the hook receiving portion 69, and in the engaged state, move the opening/closing arm 24 upward to open the lid 9.
- the opening/closing direction of the lid body 9 is aligned with the drum radial direction of the cylindrical container storage 7, so that the horizontal movement required for opening and closing the lid body 9 and the selection movement of the inner and outer periphery of the container cases 8 arranged concentrically inside the container storage 7 can be in the same direction (X direction), and a series of operations can be performed with only two-axis drive in the X-axis and Z-axis directions, simplifying the configuration.
- the opening/closing arm 24 has a support portion 43 that extends in the longitudinal direction, and the hook portion 26 is formed on one end side of the support portion 43 in the longitudinal direction so as to expand the support portion 43 in the lateral direction.
- This allows the shape of the lower end portion 42 of the opening/closing arm 24 and the support portion 43 of the hook portion 26 to be shaped to follow the slope of the drum opening, thereby achieving the effect of avoiding interference with the container gripping mechanism (gripper) when the lid is opened.
- the hook portion 26 is configured to form an inverted T shape together with the support rod portion 43, and by making the hook portion 26 inverted T shape and providing a hook receiving portion 69 on the top surface of the lid body 9 that matches the shape of the hook portion 26, the effect of ensuring a secure engagement between the lever and the receiving groove is obtained.
- the support rod 43 is inclined at a predetermined angle in the direction of fully opening the lid 9 relative to the perpendicular line to the top surface of the lid 9, which has the effect of making the maximum opening angle of the lid 9 greater than 90°, making it possible to fully open the opening on the top surface of the container case 8.
- the support portion 43 is supported in its longitudinal direction so as to be freely movable within a predetermined range via the pressure spring 62, and when the lid body 9 is pressed from above to close, the hook portion 26 closes the lid body 9 by the biasing force generated by the deformation of the pressure spring 62, thereby stabilizing the closing force of the lid body 9 during the closing operation and ensuring the closing operation of the lid body 9.
- the hook portion 26 can be further moved horizontally in the same direction as the direction in which the hook portion 26 and the hook receiving portion 69 are engaged, thereby moving the lid body 9 further in the opening direction, making the opening operation more reliable.
- the control device 6 controls the operation of the opening and closing unit to move the opening and closing arm 24 horizontally along a path away from the lid body support shaft 67, and to move the opening and closing arm 24 downward so as to press against the top surface of the lid body 9, thereby closing the lid body 9.
- the hook portion 26 presses the top surface of the lid body 9 vertically downward from directly above, so that the closing operation of the lid body 9 is reliable, and since no horizontal force is applied to the lid body support shaft 67, which is a hinge, no bending moment is generated in the inclined direction in the container case 8 during the closing operation, and the container case 8 is held stably. Furthermore, by lowering the hook portion 26 and pressing down the tip of the lid body 9, the effect of being able to close the lid reliably is obtained.
- the control device 6 also controls the operation of the opening and closing section by moving the hook portion 26 to a third position that is closer to the opening and closing section than the top surface of the cover body 9 that is closest to the opening and closing section when the cover body 9 is fully open among the multiple cover bodies 9, and then horizontally moving the hook portion 26 from the third position to directly above the first position of the cover body 9 that is farthest from the opening and closing section among the multiple cover bodies 9, and pressing the multiple cover bodies 9 from above in sequence to close all of the cover bodies 9.
- This makes it possible to perform an initialization operation that returns to the origin position even if the operation has stopped at a position other than the origin during a normal series of operations due to a power outage during the operation or an emergency stop operation by the operator. Therefore, even if any of the cover bodies 9 is in an open state, it has the effect of reliably returning all of the cover bodies 9 to the origin position in a closed state, and starting the next series of normal operations.
- FIG. 25 shows the configuration of the lid opening/closing device and container storage of the second embodiment, and is a diagram showing a cross section taken along line H-H in Figure 27,
- Figure 26 is a diagram showing a cross section taken along line G-G in Figure 25, and
- Figure 27 is a plan view of the lid opening/closing device and container storage.
- the lid opening/closing device 22A of this embodiment shown in Figures 25 to 27 differs from the lid opening/closing device 22 of the first embodiment in that it is provided on the circumferential side of the shutter opening 19 of the container storage unit 7, rather than on the inner side of the shutter opening 19.
- the lid opening/closing device 22A is provided to the side of the shutter opening 19.
- the shape of the opening/closing arm 24A is curved in a plan view, and is shaped so that it can act on the lid body 9 of the container case 8 that is placed in the shutter opening 19 located to the side.
- the hook portion 26G of the support portion 43 and the hook receiving portion 69G of the lid body 9 are generally L-shaped, similar to that shown in FIG. 30(e) in the fourth embodiment described below.
- the hook portion 26G of the support portion 43 and the hook receiving portion 69G of the lid body 9 can be either of the shapes described in the first embodiment or the shapes shown in the fourth embodiment described below.
- the lid opening/closing device, container storage device, automatic analyzer, and lid opening/closing method of the second embodiment of the present invention also provide substantially the same effects as the lid opening/closing device, container storage device, automatic analyzer, and lid opening/closing method of the first embodiment described above.
- the container case 8 and the opening/closing arm 24 may be placed side by side in the left-right direction without overlapping each other in a plan view, which is preferable because it is easy to provide a gap between the container gripping device 21 and the opening/closing arm 24.
- Figure 28 is a view corresponding to a CC cross section of the lid opening/closing device and container storage according to the third embodiment
- Figure 29 is a CC cross section of the lid opening/closing device and container storage according to the third embodiment.
- the lid opening/closing device 22B of this embodiment shown in Figures 28 and 29 has multiple hook portions 26 arranged in series on one opening/closing arm 24B, and is configured to simultaneously open and close the lids 9 of multiple container cases 8 arranged in series.
- Driving systems such as motors and rack and pinions, and detection sensors are not shown.
- the difference from the first embodiment is that the lower end of the opening/closing arm 24B extends horizontally backward, and three hook portions 26 are provided via multiple support portions extending downward from the opening/closing arm 24B, matching the spacing of the container cases 8 inside the storage container.
- the opening and closing arms 24 are provided with dispensing openings 78 directly above each container case 8 so that, for example, a dispensing nozzle 76 extending vertically downward from the dispensing arm 77 can enter the inside of each container case 8 when the lid body 9 is fully opened.
- Figure 28(a) shows the origin position, where the three hook portions 26 are above the X-rail and located outside the shutter opening 19 in a plan view. This state corresponds to the origin position shown in Figure 12(a).
- Figure 29(c) shows the state in which the opening/closing arm 24 has been lowered vertically downward, with the multiple hook portions 26 positioned near the tips of the corresponding upper surfaces of the lids 9. This state corresponds to the state in Figure 13(c).
- Figure 29(d) shows the state in which the opening/closing arm 24 has been moved forward a predetermined amount, then moved upward a predetermined amount, and then moved forward a predetermined amount to fully open the multiple lids 9. This state corresponds to Figure 14(f).
- adjacent lid bodies 9 are close to each other, so if the lid bodies 9 are opened more than 90°, the opening of the adjacent container case 8 will be partially blocked, so the opening angle is set to 90°.
- the opening/closing arm 24B has a dispensing opening 78 directly above the container case 8, so if the dispensing nozzle 76 is thin, it can be inserted into the container case 8 from above.
- the gripping claws 21a of the container gripping device 21 can be inserted into the container case 8 to remove or insert the QC sample container 4 from the container case 8.
- Fig. 30 is a diagram showing various modified examples of the hook portion in the lid opening and closing device of the fourth embodiment.
- hook portion 26 and the hook receiving portion 69 are described.
- the configuration other than the hook portion 26 and the hook receiving portion 69 is the same as any of the first to third embodiments, and description thereof is omitted.
- the hook portion 26C is not inverted T-shaped, but is a sphere with a diameter larger than the cylinder of the support portion 43, and the hook receiving portion 69C has a recess in which the sphere can move in the front-rear direction.
- the top surface of the hook receiving portion 69C has a groove that is narrower than the diameter of the sphere and allows the support portion 43 to move in the front-rear direction.
- the hook portion 26D has an inverted T shape like the first embodiment, but the hook receiving portion 69D does not have a convex shape on the top surface of the lid body, but instead has a groove on the top surface of the lid body 9 through which the support portion 43 can move, and the hook receiving portion 69D has a convex shape on the bottom surface of the lid body 9.
- the hook portion 26E is a sphere with a diameter larger than the cylinder of the support portion 43, as in Figure 30(a), and the hook receiving portion 69E has a recess in which the sphere can move in the front-to-rear direction.
- the hook receiving portion 69E is not a convex shape on the top surface of the lid body, but rather has a groove on the top surface of the lid body 9 through which the support portion 43 can move, and the hook receiving portion 69E is a convex shape on the bottom surface of the lid body 9.
- the hook receiving portion 69F has a T-shape that protrudes from the top surface of the lid, and the hook portion 26F has a rectangular shape that surrounds the hook receiving portion 69F, with the upper side connected to the support portion 43 and a gap provided on the lowest side so as not to interfere with the hook receiving portion 69F.
- the hook portion 26G is generally L-shaped and extends in one direction relative to the support portion 43, and the hook receiving portion 69G is an inverted L-shaped portion that protrudes from the top surface of the lid body.
- the leftward extension of the hook portion 26G is inserted between the rightward extension of the hook receiving portion 69G and the top surface of the lid body 9, allowing the hook portion 26G to move in the front-rear direction.
- the inverted T-shaped hook portion 26G does not necessarily have to be symmetrical with respect to the support rod portion 43, and may have a shape in which the amount of protrusion to the left and the amount of protrusion to the right are different.
- the hook portion is described as being cylindrical or spherical, but is not limited to such a shape, and the hook portion 26 may be provided with a rotating member that is freely rotatable about the cylindrical axis of the hook portion.
- the lid opening/closing device, container storage device, automatic analyzer, and lid opening/closing method of the fourth embodiment of the present invention also provide substantially the same effects as the lid opening/closing device, container storage device, automatic analyzer, and lid opening/closing method of any of the first, second, or third embodiments described above.
- the present invention is not limited to the above-described embodiment, but includes various modified examples.
- the above-described embodiment has been described in detail to clearly explain the present invention, and the present invention is not necessarily limited to the embodiment having all of the described configurations.
- the present invention encompasses the following technical ideas, as shown in Figure 24.
- Hook receiving portion (recess) 70 Hook receiving portion end surface 71: Groove portion 72: Lid groove upper surface 73: Area (access position) 74...Area (initialization operation) 75 ... foreign object 76 ... dispensing nozzle 77 ... dispensing arm 78 ... dispensing opening 79 ... reagent container 80 ... reagent bottle 81 ... neck portion 82 ... shutter opening end 83 ... step portion 84 ... movement amount
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Abstract
Description
本発明の蓋開閉装置、容器保管装置及び自動分析装置、並びに蓋の開閉方法の第1実施形態について図1乃至図24を用いて説明する。
本発明の第2実施形態の蓋開閉装置、容器保管装置及び自動分析装置、並びに蓋の開閉方法について図25乃至図27を用いて説明する。図25は第2実施形態の蓋開閉装置と容器保管庫の構成であって、図27のH-H断面を示す図、図26は図25のG-G断面を示す図、図27は蓋開閉装置と容器保管庫の平面図である。
本発明の第3実施形態の蓋開閉装置、容器保管装置及び自動分析装置、並びに蓋の開閉方法について図28及び図29を用いて説明する。図28は第3実施形態に係る蓋開閉装置と容器保管庫の構成でのC-C断面に相当する図、図29は第3実施形態に係る蓋開閉装置と容器保管庫の構成でのC-C断面図である。
本発明の第4実施形態の蓋開閉装置、容器保管装置及び自動分析装置、並びに蓋の開閉方法について図30を用いて説明する。図30は第4実施形態の蓋開閉装置におけるフック部の様々な変形例を示す図である。
なお、本発明は、上記の実施形態に限定されるものではなく、様々な変形例が含まれる。上記の実施形態は本発明を分かりやすく説明するために詳細に説明したものであり、必ずしも説明した全ての構成を備えるものに限定されるものではない。
前記蓋体の上面には、外部から前記蓋体にアクセスする開閉機構の凸部を受け入れ可能であって、かつ前記凸部が移動可能な経路を構成する凹部を有する溝が形成されており、
前記蓋体が閉止した状態において前記凹部が前記凸部を受け入れる前記凸部の第1位置と、
前記凸部が前記凹部と係合して前記蓋体を開放した状態における前記凸部の第2位置とは、
前記第2位置が前記第1位置よりも上方であって、
前記開口部の水平面に対して垂直な方向において異なる位置に位置づけられる
容器。
2…自動分析装置
3…分析装置
4…QC検体容器
5…前処理装置
6…制御装置(制御部)
7…容器保管庫
8…容器ケース
9,9A,9B…蓋体
10…第1搬送路
11…円環ホルダ
12…保管庫中心軸
13…筐体
14…断熱材
15…ディスク支軸
16…ディスク
17…ディスク駆動軸
18a…外周円
18b…中周円
18c…内周円
19…シャッタ開口
20…シャッタ
21…容器把持装置
21a…把持爪
21b…把持爪駆動部
22,22A,22B…蓋開閉装置
23…第2搬送路
24,24A,24B…開閉アーム(レバー)
25…ドラム上蓋
26,26C,26D,26E,26F,26G…フック部(凸部)
27…ベース
28…Xレール
29…Xスライダ
30…スライドベース
31…Xラック
32…取付金具
33…Xモータ
34…Xピニオン
35…X原点センサ
36…X原点検知板
37…アングル
38…Zレール
39…Zスライダ
40…固定部
41…屈曲部
42…下端部
43…支棹部
44…Zラック
45…スライドピン
46…ピン受け穴
47a…ばね座
47b…ばね座
48…圧縮ばね
49…スプリング掛け部
50…引張スプリング
51…Zモータ
52…Zピニオン
53…異常下降検知センサ
54…異常下降検知板
55…Z原点センサ
56…原点高さ検知板
57…支棹基部
58…ピン
59…ガイド部
60…案内部材
61…段差部
62…押圧ばね(弾性部材)
63…長円穴
64…第1筒部
65…第2筒部
66…シール部材
67…蓋体支軸(ヒンジ)
68…シール材
69,69C,69D,69E,69F,69G…フック受け部(凹部)
70…フック受け部端面
71…溝部
72…蓋溝上面
73…領域(アクセス位置)
74…領域(初期化動作)
75…異物
76…分注ノズル
77…分注アーム
78…分注開口
79…試薬容器
80…試薬ボトル
81…首部
82…シャッタ開口端
83…段差部
84…移動量
Claims (15)
- 液体を収容する容器を収容する収容部、及び前記収容部の上面にヒンジを介して取り付けられた開閉可能な蓋体を有するケースの蓋体を開閉する開閉部を備えた蓋開閉装置であって、
前記開閉部は、前記蓋体にアクセス可能に構成される凸部を有するレバーを備え、
前記蓋体は、その上面に、前記レバーの凸部を受け入れ可能であり、前記凸部が移動可能な経路を構成する凹部を有する溝が形成されており、
前記蓋体が閉止した状態において前記凹部が前記凸部を受け入れる前記凸部の第1位置と前記凸部が前記凹部と係合して前記蓋体を開放した状態にした時の前記凸部の第2位置との関係が、前記第2位置が前記第1位置よりも鉛直方向上方であって、開口部の水平面に対する互いの垂直方向の位置が異なる
蓋開閉装置。 - 請求項1に記載の蓋開閉装置において、
前記レバーは、長手方向に延伸する支棹部を有しており、
前記凸部は、前記支棹部の長手方向における一端側に、前記支棹部の短手方向を拡大するように形成される
蓋開閉装置。 - 請求項2に記載の蓋開閉装置において、
前記凸部は、前記支棹部とともに逆T字型を形成するように構成される
蓋開閉装置。 - 請求項3に記載の蓋開閉装置において、
前記支棹部は、前記蓋体の上面の垂線に対して、前記蓋体の全開方向に所定角度傾斜している
蓋開閉装置。 - 請求項4に記載の蓋開閉装置において、
前記支棹部は、その長手方向に弾性部材を介して所定の範囲を移動自在に支持されており、
前記凸部は、前記蓋体を上方から押して閉じた際に前記弾性部材を変形させることで生じる付勢力によって前記蓋体を閉じる
蓋開閉装置。 - 液体を収容する容器を収容する収容部、及び前記収容部の上面にヒンジを介して取り付けられた開閉可能な蓋体を有するケースの蓋体を開閉する開閉部と、
前記開閉部の動作を制御する制御部と、を備えた蓋開閉装置であって、
前記開閉部は、前記蓋体にアクセス可能に構成される凸部を有するレバーを備え、
前記蓋体は、その上面に、前記レバーの凸部を受け入れ可能であり、前記凸部が移動可能な経路を構成する凹部を有する溝が形成されており、
前記制御部は、
前記凸部を前記凹部にアクセスさせ、
前記ヒンジに向かって前記経路を水平移動させて前記凸部と前記凹部とを係合させ、
前記係合した状態において、前記レバーを上方に移動させて前記蓋体を開放させるよう前記開閉部の動作を制御する
蓋開閉装置。 - 請求項6に記載の蓋開閉装置において、
前記蓋体を開放させた後、更に前記凸部を前記凸部と前記凹部とを係合させる方向と同じ方向に水平移動させる
蓋開閉装置。 - 請求項6に記載の蓋開閉装置において、
前記制御部は、
前記凸部と前記凹部とが係合した状態において、前記レバーを前記ヒンジから離反するように前記経路を水平移動させ、
前記蓋体の上面を押圧するように前記レバーを下方に移動させて前記蓋体を閉じるよう前記開閉部の動作を制御する
蓋開閉装置。 - 請求項6に記載の蓋開閉装置において、
前記制御部は、前記凸部を、
複数の前記蓋体のうち前記開閉部に最も近接した前記蓋体が全開した際の前記蓋体の上面よりも前記開閉部に近接した側にある第3位置に移動させ、
前記第3位置から複数の前記蓋体のうち最も前記開閉部から離れた前記蓋体の第1位置の直上まで水平移動させ、
複数の前記蓋体を順次上方から押圧して全ての前記蓋体を閉じるよう前記開閉部の動作を制御する
蓋開閉装置。 - 請求項1に記載の蓋開閉装置を備える容器保管装置。
- 請求項10に記載の容器保管装置を備える自動分析装置。
- 液体を収容する容器を収容する収容部、及び前記収容部の上面にヒンジを介して取り付けられた開閉可能な蓋体を有するケースの蓋の開閉方法であって、
前記蓋体は、その上面に、レバーの凸部を受け入れ可能であり、前記凸部が移動可能な経路を構成する凹部を有する溝が形成されており、
前記蓋体にアクセス可能に構成される前記凸部を有する前記レバーを備えた開閉部を、
前記凸部を前記凹部にアクセスさせ、
前記ヒンジに向かって前記経路を水平移動させて前記凸部と前記凹部とを係合させ、
前記係合した状態において、前記レバーを上方に移動させて前記蓋体を開放する
蓋の開閉方法。 - 請求項12に記載の蓋の開閉方法において、
前記蓋体を開放した後、更に前記凸部を前記凸部と前記凹部とを係合させる方向と同じ方向に水平移動させる
蓋の開閉方法。 - 請求項12に記載の蓋の開閉方法において、
前記凸部と前記凹部とが係合した状態において、前記レバーを前記ヒンジから離反するように前記経路を水平移動させ、
前記蓋体の上面を押圧するように前記レバーを下方に移動させて前記蓋体を閉じる
蓋の開閉方法。 - 請求項12に記載の蓋の開閉方法において、
前記凸部を、
複数の前記蓋体のうち前記開閉部に最も近接した前記蓋体が全開した際の前記蓋体の上面よりも前記開閉部に近接した側にある第3位置に移動させ、
前記第3位置から複数の前記蓋体のうち最も前記開閉部から離れた前記蓋体の第1位置の直上まで水平移動させ、
複数の前記蓋体を順次上方から押圧して全ての前記蓋体を閉じる
蓋の開閉方法。
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| JP2025525968A JPWO2024252789A1 (ja) | 2023-06-09 | 2024-04-15 | |
| CN202480011978.XA CN120693526A (zh) | 2023-06-09 | 2024-04-15 | 盖开闭装置、容器保管装置、自动分析装置以及盖的开闭方法 |
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Citations (6)
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|---|---|---|---|---|
| JP2001343392A (ja) * | 2000-03-31 | 2001-12-14 | Sysmex Corp | 液体分注装置及びそれを用いた自動分析装置 |
| JP2010169693A (ja) * | 2005-07-07 | 2010-08-05 | F Hoffmann La Roche Ag | 液体を自動的に取り扱うコンテナおよび方法 |
| WO2011074472A1 (ja) * | 2009-12-14 | 2011-06-23 | 株式会社 日立ハイテクノロジーズ | 自動分析装置及びその試薬容器の蓋開閉装置 |
| WO2018173464A1 (ja) * | 2017-03-24 | 2018-09-27 | 株式会社日立ハイテクノロジーズ | 自動分析装置 |
| JP2020046377A (ja) | 2018-09-21 | 2020-03-26 | 株式会社日立ハイテクノロジーズ | 自動分析装置 |
| WO2020262363A1 (ja) * | 2019-06-24 | 2020-12-30 | 積水メディカル株式会社 | 自動分析装置及び試薬収容ユニット |
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| JP2001343392A (ja) * | 2000-03-31 | 2001-12-14 | Sysmex Corp | 液体分注装置及びそれを用いた自動分析装置 |
| JP2010169693A (ja) * | 2005-07-07 | 2010-08-05 | F Hoffmann La Roche Ag | 液体を自動的に取り扱うコンテナおよび方法 |
| WO2011074472A1 (ja) * | 2009-12-14 | 2011-06-23 | 株式会社 日立ハイテクノロジーズ | 自動分析装置及びその試薬容器の蓋開閉装置 |
| WO2018173464A1 (ja) * | 2017-03-24 | 2018-09-27 | 株式会社日立ハイテクノロジーズ | 自動分析装置 |
| JP2020046377A (ja) | 2018-09-21 | 2020-03-26 | 株式会社日立ハイテクノロジーズ | 自動分析装置 |
| WO2020262363A1 (ja) * | 2019-06-24 | 2020-12-30 | 積水メディカル株式会社 | 自動分析装置及び試薬収容ユニット |
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| EP4726397A1 (en) | 2026-04-15 |
| CN120693526A (zh) | 2025-09-23 |
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