Displacement table device for slide scanner

Abstract

The utility model provides a displacement table device for a slide scanner, which comprises a connecting bottom plate, the connecting bottom plate is used for being connected with a lifting table of an electronic scanning microscope, a movable bearing table is arranged at the upper end of the electronic scanning microscope, a movable slide clamp tray is arranged at the upper end of the bearing table, and the slide clamp tray is used for placing a slide clamp main body. The moving direction of the sheet clamp tray is perpendicular to the moving direction of the bearing table, a hollowed-out seam is formed in one end of the bearing table, a control panel is arranged in the hollowed-out seam, a first photoelectric proximity sensor and a second photoelectric proximity sensor are arranged on the control panel, and the first photoelectric proximity sensor is used for detecting the original point position of the sheet clamp tray. And the second photoelectric proximity sensor is used for detecting the original point position of the bearing table, so that the problem of miniaturization of the slide holder moving module of the slide scanner is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of slide scanner, especially to a displacement table device for slide scanner. BACKGROUND

[0002] When detecting cells and tissues, slide scanners are usually needed, and an electron microscope is arranged in the slide scanner, and after the cells and tissues are prepared into slices, the slide is inserted into the objective lens of the microscope for observation and scanning. The existing slide scanner usually adopts a slide clamp to carry multiple slides, and after the slide clamp is inserted into the slide scanner once, it needs to be moved horizontally so that the electron scanning microscope is aligned with the set scanning area. After a single area is scanned, it needs to be translated to the next area for continuous scanning. Therefore, a displacement table mechanism that can move in two dimensions is usually needed to drive the horizontal movement of the slide clamp.

[0003] In the existing slide scanner, two linear movement modules in the X direction or the Y direction are usually stacked to realize free movement in the horizontal direction. A proximity switch is usually needed for the linear movement module to detect the position signal and determine the coordinate origin position. Since the sensor is usually an external part, the control box belongs to the electrical design category. The traditional modular design idea is to reserve independent installation positions for the sensor and the control box on the machined part, and a long connecting line is used to connect the control box. Therefore, a larger wiring space needs to be reserved, which is not conducive to the miniaturization of the equipment. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of displacement table device for slide scanner, solve the problem of miniaturization of slide scanner slide clamp movement module.

[0005] To solve the above technical problems, the technical scheme adopted by the utility model is as follows: a kind of displacement table device for slide scanner, including connection base plate, connection base plate is used to be connected with the lifting platform of electron scanning microscope, and the upper end of electron scanning microscope is provided with movable bearing table, and the upper end of bearing table is provided with movable slide clamp tray, and slide clamp tray is used to place slide clamp main body, and the moving direction of slide clamp tray and bearing table is perpendicular, and the one end of bearing table is provided with hollow gap, and control panel is arranged in hollow gap, and first photoelectric proximity sensor and second photoelectric proximity sensor are arranged on control panel, and first photoelectric proximity sensor is used to detect the origin position of slide clamp tray, and second photoelectric proximity sensor is used to detect the origin position of bearing table.

[0006] In the preferred scheme, the connection base plate, the bearing table and the slide clamp tray are all provided with hollow structures in the center.

[0007] In the preferred scheme, the bearing table is provided with a first guide rail and a first screw rod, the slide block is slidably connected with the first guide rail, the first screw rod is provided with a first nut seat, one end of the slide block is connected with the first nut seat, and the bearing table is provided with a first driving motor.

[0008] In the preferred scheme, the slide block is provided with a strip-shaped groove on the side close to the control plate, the strip-shaped groove is provided with a first detected block, the first detected block is provided with a first waist-shaped hole, and the screw passes through the first waist-shaped hole to be threadedly connected with the bottom end of the strip-shaped groove.

[0009] In the preferred scheme, the bearing table is provided with a second guide rail at the lower end, the connecting bottom plate is slidably connected with the second guide rail through a slide block, the bearing table is provided with a second driving motor at the lower end, the second driving motor is a servo motor, the shaft end of the second driving motor is connected with a second screw rod, the second screw rod is provided with a second nut seat, and the second nut seat is connected with the connecting bottom plate.

[0010] In the preferred scheme, the second nut seat is provided with a protruding portion on one side, the protruding portion is provided with a second detected block, the second detected block is provided with a second waist-shaped hole, and the screw passes through the second waist-shaped hole to be threadedly connected with the protruding portion.

[0011] In the preferred scheme, the control plate is provided with a plurality of conductive columns, the first photoelectric proximity sensor and the second photoelectric proximity sensor are provided with a transition block at the end portion, the outgoing ends of the first photoelectric proximity sensor and the second photoelectric proximity sensor are electrically connected with the conductive sleeves, the transition block is provided with a plurality of conductive sleeves, the conductive sleeves are sleeved with the conductive columns, one side of the transition block is provided with a mounting lug, the control plate is embedded with a threaded sleeve, and the screw passes through the mounting lug to be threadedly connected with the threaded sleeve.

[0012] The control plate is directly installed at one end of the bearing table, a separate control box space is not needed, the control plate is used as an installation base plate, the in-place sensor is installed, the slide clamp moving module structure is exquisite, the miniaturization of the slide scanner is facilitated, the control plate is close to the motor of the linear moving mechanism, the cable demand is short, the space requirement of the wire groove, the drag chain and the like is small, the cost is lower, the docking position of the in-place sensor and the circuit adopts a customized structure, the conductive columns are welded on the control plate, the conductive sleeves are embedded on the sensor, the two are plugged and conduct electricity and play a positioning role, the screw holes are arranged on one side of the sensor to fix the sensor, the installation is simple, and the sensor is convenient to replace. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model makes further explanation in connection with the drawings and examples.

[0014] Figure 1 It is scanning instrument displacement table mechanism schematic view.

[0015] Figure 2This is another perspective view of the displacement stage mechanism.

[0016] Figure 3 This is a schematic diagram of the bottom of the displacement stage mechanism.

[0017] Figure 4 This is a diagram showing the relative positions of the stage mechanism and the scanning mirror.

[0018] Figure 5 This is a schematic diagram of the scanning mirror lifting mechanism.

[0019] Figure 6 This is a magnified view of the first block being tested.

[0020] Figure 7 This is a magnified view of the second block being tested.

[0021] Figure 8 This is a cross-sectional view of the fixed structure of a photoelectric proximity sensor.

[0022] Figure 9 This is a cross-sectional view of the electrical connection structure of a photoelectric proximity sensor.

[0023] Figure 10 This is an enlarged view of the electrical connection structure of a photoelectric proximity sensor.

[0024] In the figure: 1. Film clip body; 2. Backlight; 3. Electron scanning microscope; 4. Film clip tray; 5. Support stage; 501. Cutout slit; 502. First guide rail; 503. First drive motor; 504. First lead screw; 505. First lead screw nut; 506. Cutout part; 6. Control board; 601. First photoelectric proximity sensor; 602. Second photoelectric proximity sensor; 603. First detection block; 604. First oblong hole; 605. Second detection block; 606. Second oblong hole; 607. Protrusion; 608. Strip groove; Transition. Block 609; Mounting ear 610; Threaded sleeve 611; Conductive post 612; Outlet end 613; Conductive sleeve 614; Contact piece 615; Wiring hole 616; Connecting base plate 7; First through hole 701; Second drive motor 702; Second lead screw 703; Second lead screw nut 704; Second guide rail 705; Lifting platform 8; Third lead screw 801; Guide rod 802; Third lead screw nut 803; Second through hole 804; Sliding sleeve 805; Bevel gear transmission group 806; Third drive motor 807. Detailed Implementation

[0025] like Figures 1-10In one embodiment, a displacement table device for a slide scanner includes a connection base plate 7, which is used to connect with a lifting table 8 of an electronic scanning microscope 3, the upper end of the electronic scanning microscope 3 is provided with a movable bearing table 5, the upper end of the bearing table 5 is provided with a movable slide holder tray 4, the slide holder tray 4 is used to place a slide holder main body 1, the moving direction of the slide holder tray 4 and the bearing table 5 is perpendicular, the bearing table 5 is provided with a hollow slot 501 at one end, the hollow slot 501 is provided with a control plate 6, the control plate 6 is provided with a first photoelectric proximity sensor 601 and a second photoelectric proximity sensor 602, the first photoelectric proximity sensor 601 is used to detect the original position of the slide holder tray 4, and the second photoelectric proximity sensor 602 is used to detect the original position of the bearing table 5.

[0026] The electrical contact points of the first photoelectric proximity sensor 601 and the second photoelectric proximity sensor 602 can be directly fused with the electrical contact points on the circuit board without additional wiring. This direct connection reduces the wiring space and improves the compactness of the device.

[0027] In a preferred embodiment, the connection base plate 7, the bearing table 5 and the slide holder tray 4 are all provided with a hollow structure in the center.

[0028] The electronic scanning microscope 3 includes a vertical third lead screw 801 and a guide rod 802, the third lead screw 801 is sleeved with a third nut seat 803, the third nut seat 803 is provided with a sliding sleeve 805 at one end, the sliding sleeve 805 is slidably connected with the guide rod 802, the bottom end of the third lead screw 801 is provided with a bevel gear transmission set 806, the base of the electronic scanning microscope 3 is provided with a third drive motor 807, the third drive motor 807 drives the third lead screw 801 to rotate through the bevel gear transmission set 806. One end of the lifting table 8 is connected with the third nut seat 803, and the third lead screw 801 is rotated to move the lifting table 8 up and down.

[0029] The lifting table 8 is provided with a second through hole part 804 in the center, the connection base plate 7 is provided with a first through hole part 701 in the center, the bearing table 5 is provided with a hollow part 506 in the center, and the slide holder main body 1 is also provided with a light-transmissible hole structure in the center. The lower end of the lifting table 8 is provided with a backlight 2, the backlight 2 is arranged at the second through hole part 804, and the backlight 2 faces the lower end surface of the slide holder main body 1.

[0030] The upper end of the electronic scanning microscope 3 is provided with a lens assembly, and an objective lens faces the upper end surface of the slide holder main body 1.

[0031] In a preferred embodiment, the bearing table 5 is provided with a first guide rail 502 and a first lead screw 504, the slide holder tray 4 is slidably connected with the first guide rail 502 through a sliding block, the first lead screw 504 is sleeved with a first nut seat 505, one end of the slide holder tray 4 is connected with the first nut seat 505, the bearing table 5 is provided with a first drive motor 503, the first drive motor 503 is a servo motor, and the shaft end of the first drive motor 503 is connected with the end part of the first lead screw 504.

[0032] In the preferred embodiment, the slide holder tray 4 is provided with a strip-shaped slot 608 on the side close to the control panel 6, the strip-shaped slot 608 is provided with a first detected block 603, the first detected block 603 is provided with a first waist-shaped hole 604, and a screw passes through the first waist-shaped hole 604 to be threadedly connected with the bottom end of the strip-shaped slot 608.

[0033] In the preferred embodiment, the lower end of the bearing table 5 is provided with a second guide rail 705, the connection base plate 7 is slidably connected with the second guide rail 705 through a sliding block, the lower end of the bearing table 5 is provided with a second driving motor 702, the second driving motor 702 is a servo motor, the second driving motor 702 is connected with a second lead screw 703 at the shaft end, the second lead screw 703 is provided with a second nut seat 704, and the second nut seat 704 is connected with the connection base plate 7.

[0034] In the preferred embodiment, the second nut seat 704 is provided with a protruding part 607 on one side, the protruding part 607 is provided with a second detected block 605, the second detected block 605 is provided with a second waist-shaped hole 606, and a screw passes through the second waist-shaped hole 606 to be threadedly connected with the protruding part 607.

[0035] The first driving motor 503 and the second driving motor 702 are servo motors, the displacement distance can be inferred through the pulse number, therefore, as long as the original position is determined for the unidirectional moving assembly, the specific position of the moving component at a certain time can be calculated, the cost is low, and the control is reliable.

[0036] After the slide is loaded into the slot of the slide holder main body 1, the slide holder main body 1 is positioned on the slide holder tray 4, the bearing table 5 is moved relative to the connection base plate 7 by the second driving motor 702, the slide holder tray 4 is moved along the length direction of the bearing table 5 by the first driving motor 503, and the objective lens of the electronic scanning microscope 3 is fixed, therefore, the slide holder main body 1 on the slide holder tray 4 can be moved to a set position relative to the objective lens in the horizontal direction. Then, the lifting table 8 is driven to move up and down by the third driving motor 807, and the focal length is adjusted.

[0037] As the first detected block 603 and the second detected block 605 are installed through the waist-shaped holes, the original position of the unidirectional moving assembly can be adjusted along the length direction.

[0038] In the preferred scheme, the control board 6 is provided with a plurality of conductive columns 612, the first photoelectric proximity sensor 601 and the second photoelectric proximity sensor 602 are provided with a transition block 609, the outgoing ends 613 of the first photoelectric proximity sensor 601 and the second photoelectric proximity sensor 602 are electrically connected with the conductive sleeves 614, the transition block 609 is provided with a plurality of conductive sleeves 614, each conductive sleeve 614 is sleeved with each conductive column 612, one side of the transition block 609 is provided with a mounting lug 610, the control board 6 is embedded with a threaded sleeve 611, and a screw passes through the mounting lug 610 to be threadedly connected with the threaded sleeve 611.

[0039] The transition block 609 can be customized according to the specific photoelectric sensor specification, and is fixed by bonding or welding at the end of the photoelectric sensor.

[0040] The number of the conductive columns 612 and the conductive sleeves 614 should be at least three, the transition block 609 is provided with a wire hole 616, and the power line and the signal line of the outgoing end 613 are wired to the outer wall of the conductive sleeve 614 through the wire hole 616 and are welded thereon.

[0041] The conductive column 612 is welded with the conductive contact on the control board 6 in an integrated manner and protrudes from the control board 6, which can be used for conduction and positioning, the inner wall of the conductive sleeve 614 is provided with an elastic contact piece 615, which can be a copper sheet or an aluminum sheet, the end of the conductive column 612 is provided with an annular groove, one end of the contact piece 615 is connected with the inner wall of the conductive sleeve 614, and the other end is abutted in the annular groove.

[0042] Compared with directly welding the first photoelectric proximity sensor 601 and the second photoelectric proximity sensor 602 on the control board 6, the plug-in positioning and screw fixing mode is convenient for replacing the sensors and avoids replacing the entire circuit board.

[0043] The above-mentioned embodiments are only preferred technical solutions of the present application, and should not be regarded as limiting the present application, and the protection scope of the present application should be the technical solutions recited in the claims, including the equivalent replacement solutions of the technical features recited in the claims as the protection scope. That is, the equivalent replacement improvements within the scope are also within the protection scope of the present application.

Claims

1. A displacement stage apparatus for a slide scanner, characterized by: The utility model provides a kind of electron scanning microscope's movable platform, including adapter base plate (7), adapter base plate (7) is used to be connected with the lifting platform (8) of electron scanning microscope (3), electron scanning microscope (3) upper end is equipped with movable carrier (5), carrier (5) upper end is equipped with movable sheet clamp tray (4), sheet clamp tray (4) is used to place sheet clamp main body (1), the moving direction of sheet clamp tray (4) and carrier (5) is vertical, carrier (5) one end is equipped with hollow slit (501), control panel (6) is equipped in hollow slit (501), control panel (6) is equipped with first photoelectric proximity sensor (601) and second photoelectric proximity sensor (602), first photoelectric proximity sensor (601) is used to detect the origin position of sheet clamp tray (4), and second photoelectric proximity sensor (602) is used to detect the origin position of carrier (5).

2. The displacement stage device for a slide scanner according to claim 1, wherein: Adapter base plate (7), carrier (5) and sheet clamp tray (4) are centrally equipped with hollow structure.

3. The displacement stage apparatus for a slide scanner of claim 1, wherein: Carrier (5) is equipped with first guide rail (502) and first lead screw (504), sheet clamp tray (4) is slidably connected with first guide rail (502) by sliding block, first lead screw (504) is equipped with first nut base (505), one end of sheet clamp tray (4) is connected with first nut base (505), carrier (5) is equipped with first driving motor (503), first driving motor (503) is servo motor, and the shaft end of first driving motor (503) is connected with the end of first lead screw (504).

4. The displacement stage device for a slide scanner according to claim 3, wherein: Sheet clamp tray (4) is equipped with strip-shaped groove (608) on the side close to control panel (6), first detected block (603) is equipped in strip-shaped groove (608), first detected block (603) is equipped with first waist-shaped hole (604), screw passes through first waist-shaped hole (604) to be threadedly connected with the bottom end of strip-shaped groove (608).

5. The displacement stage apparatus for slide scanners of claim 1, wherein: Carrier (5) lower end is equipped with second guide rail (705), adapter base plate (7) is slidably connected with second guide rail (705) by sliding block, carrier (5) lower end is equipped with second driving motor (702), second driving motor (702) is servo motor, and the shaft end of second driving motor (702) is connected with second lead screw (703), second lead screw (703) is equipped with second nut base (704), and second nut base (704) is connected with adapter base plate (7).

6. The displacement stage device for a slide scanner according to claim 5, wherein: Second nut base (704) one side is equipped with protruding part (607), protruding part (607) is equipped with second detected block (605), second detected block (605) is equipped with second waist-shaped hole (606), screw passes through second waist-shaped hole (606) to be threadedly connected with protruding part (607).

7. The displacement stage apparatus for slide scanners of claim 1, wherein: The control panel (6) is provided with a plurality of conductive columns (612), the first photoelectric proximity sensor (601) and the second photoelectric proximity sensor (602) are provided with a transition block (609), the outgoing ends (613) of the first photoelectric proximity sensor (601) and the second photoelectric proximity sensor (602) are electrically connected with the conductive sleeves (614), the transition block (609) is provided with a plurality of conductive sleeves (614), the conductive sleeves (614) are sleeved with the conductive columns (612), one side of the transition block (609) is provided with a mounting lug (610), the control panel (6) is embedded with a threaded sleeve (611), and a screw passes through the mounting lug (610) to be threadedly connected with the threaded sleeve (611).

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