CN210199399U - Film reading device - Google Patents

Abstract

The utility model relates to a read piece device. This slide reading device includes the microscope, still includes: the feeding mechanism is arranged on one side of the microscope and comprises a bracket and a plurality of slides arranged on the bracket, and the slides can rotate along with the bracket or rotate relative to the bracket so as to enable the slides on the bracket to rotate to the position opposite to the object stage of the microscope; a sensor provided on the stage for sensing positional information of the slide rotated to a position opposite to the stage of the microscope; the slide taking and placing mechanism is arranged on the object stage and can receive the position information of the slide which is sensed by the sensor and rotates to the position opposite to the object stage so as to take and place the slide to the preset position of the object stage. The utility model discloses a slide of setting on the objective table is got and is put mechanism and the normal running fit that sets up the feed mechanism in objective table one side, can realize reading the piece automatically, improves and reads piece efficiency and reads the piece effect.

Description

Film reading device

Technical Field

The utility model relates to a microscope analysis equipment technical field, concretely relates to read piece device.

Background

In the field of application of cell analysis such as medical microscope, frequent slide replacement and slide reading are often performed. The conventional device for reading the slide by using a microscope generally needs to manually place the slide at an appointed position of an objective table, and time and labor are wasted when the slide is manually replaced; and the position of the slide needs to be manually adjusted when the slide is placed, so that an adjustment error exists, and the slide reading effect is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above problems existing in the prior art, an aspect of the present invention is to provide a film reading device to improve the film reading efficiency and the film reading effect.

In order to achieve the above object, the utility model provides a read piece device, including the microscope, still include:

the feeding mechanism is arranged on one side of the microscope and comprises a bracket and a plurality of slides arranged on the bracket, and the slides can rotate along with the bracket or rotate relative to the bracket so as to enable the slides on the bracket to rotate to the position opposite to the object stage of the microscope;

a sensor provided on the stage for sensing positional information of the slide rotated to a position opposite to the stage of the microscope;

and the slide taking and placing mechanism is arranged on the object stage and can receive the position information of the slide which is sensed by the sensor and rotates to the position opposite to the object stage so as to take and place the slide to the preset position of the object stage.

In some embodiments, the feeding mechanism further includes a base, a rotating disc, and a rotating shaft, the rack is rotatably disposed on the base through the rotating shaft, the rotating disc is sleeved on the rack and can rotate with the rack, and the plurality of slides are disposed on the rotating disc.

In some embodiments, the plurality of slides are radially distributed with multiple layers on the rotating disk, the slides in different layers correspond one to one, and the slides in adjacent layers have intervals.

In some embodiments, the feeding mechanism further comprises an elevating mechanism disposed on the support and connected to the rotating disc for driving the rotating disc to move in a vertical direction, so that the slides of different layers can be located opposite to the stage.

In some embodiments, the lifting mechanism comprises a guide rail and a slider slidably connected with the guide rail, the guide rail is vertically fixed on the bracket, the slider is fixedly arranged on the inner side wall of the rotating disk, and the slider moves along the guide rail to drive the rotating disk to lift.

In some embodiments, the feeding mechanism further comprises a first driving motor and a second driving motor, wherein the first driving motor is connected with the rotating shaft and is used for driving the rotating shaft to rotate; the second driving motor is connected with the lifting mechanism and used for driving the lifting mechanism to lift.

In some embodiments, the slide pick and place mechanism includes a slide rail disposed on the stage and a pick and place unit for picking and placing the slide, the pick and place unit being slidably coupled to the slide rail.

In some embodiments, a plurality of card slots for fixing a plurality of the slides are arranged on the outer side wall of the rotating disc, and each slide is respectively clamped in each card slot.

In some embodiments, the slide reader further comprises a controller, the sensor, the slide pick and place mechanism, the first drive motor and the second drive motor are respectively electrically and/or signal-connected with the controller, the controller can receive the position information of the slide sensed by the sensor, control the slide pick and place mechanism to pick and place the slide at a position opposite to the stage, and control the first drive motor to drive the rotary disc to rotate a predetermined angle to rotate the next slide to a position opposite to the stage after the slide pick and place mechanism puts the slide back to the rotary disc; after the rotary disk rotates for a circle to finish the reading of one layer of the slide, the controller can control the second driving motor to drive the lifting mechanism to lift by a preset height to read the other layer of the slide.

In some embodiments, the number of the rotating disks is at least one, and the rotating disks are detachably mounted to the bracket.

Compared with the prior art, the utility model provides a slide reading device installs a plurality of slides that will wait to detect on independent feed mechanism's support, can rotate the slide that will wait to detect to the position relative with the objective table through the rotation of support, and utilize the slide pick-and-place mechanism that sets up on the objective table to place single slide at the preset position of objective table and read the piece, after the piece is read, slide pick-and-place mechanism can put back the support with the slide that detects is accomplished, the support continues to rotate and gets into the piece of reading of next slide, get through the rotation of support and the cooperation of getting of slide pick-and-place mechanism and can realize automatic reading, the time of upper and lower slide has been shortened, greatly improve the piece efficiency of reading; manual film reading is not needed, and the labor cost is effectively saved; in addition, the slide can be accurately placed at the designated position automatically through the slide taking and placing mechanism, the adjustment of the slide placing position is reduced, the slide reading efficiency is further improved, the placing position is accurate, and the slide reading effect can be improved.

Drawings

In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar components in different views. Like reference numerals having letter suffixes or different letter suffixes may represent different instances of similar components. The drawings illustrate various embodiments, by way of example and not by way of limitation, and together with the description and claims, serve to explain the embodiments of the invention. The same reference numbers will be used throughout the drawings to refer to the same or like parts, where appropriate. Such embodiments are illustrative, and are not intended to be exhaustive or exclusive embodiments of the present apparatus or method.

Fig. 1 is a schematic structural view of a film reading device according to an embodiment of the present invention;

FIG. 2 is a side view of the feed mechanism of FIG. 1;

FIG. 3 is a top view of the feed mechanism of FIG. 1;

reference numerals:

10-microscope, 11-objective table, 111-slide placing groove, 12-objective lens, 13-eyepiece and 14-camera;

20-feeding mechanism, 21-bracket, 22-slide, 23-base, 24-rotating disk, 251-guide rail and 252-slide block;

30-a slide taking and placing mechanism, 31-a slide rail and 32-a taking and placing unit.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

As shown in fig. 1 to 3, the present invention provides a slide reading apparatus, which includes a microscope 10, a feeding mechanism 20, a sensor (not shown) and a slide pick-and-place mechanism 30, wherein the feeding mechanism 20 is disposed on one side of the microscope 10, the feeding mechanism 20 includes a support 21 and a plurality of slides 22 disposed on the support 21, and the plurality of slides 22 can rotate with the support 21 or rotate relative to the support 21, so that the slides 22 on the support 21 can all rotate to a position opposite to the stage 11 of the microscope 10; a sensor provided on the stage 11 for sensing positional information of the slide 22 rotated to a position opposed to the stage 11 of the microscope 10; the slide pick-and-place mechanism 30 is disposed on the stage 11, and the slide pick-and-place mechanism 30 is capable of receiving the position information of the slide 22 rotated to the position opposite to the stage 11 sensed by the sensor for picking and placing the slide 22 to a predetermined position of the stage 11.

The utility model provides a slide reading device will wait to detect a plurality of slides 22 install on the support 21 of the feed mechanism 20 of independent setting in one side of microscope 10, can rotate the slide 22 that waits to detect to the position relative with objective table 11 through the rotation of support 21, and utilize the slide of setting on objective table 11 to get and put mechanism 30 and place the preset position of placing at objective table 11 with single slide 22 and read the piece, after reading the piece, slide getting and putting mechanism can put back support 21 with the slide 22 that detects and accomplish, support 21 continues to rotate and gets the piece of next slide 22, get through the rotation of support 21 and the cooperation of getting of slide getting and putting mechanism 30 and can realize automatic reading the piece, the time of upper and lower slide 22 has been shortened, greatly improve the piece reading efficiency; manual film reading is not needed, and the labor cost is effectively saved; in addition, the slide 22 can be accurately placed at the designated position by the slide taking and placing mechanism 30, so that the adjustment of the placing position of the slide 22 is reduced, the slide reading efficiency is further improved, the placing position is accurate, and the slide reading effect can be improved.

In some embodiments, the feeding mechanism 20 further includes a base 23, a rotating disc 24, and a rotating shaft (not shown), the support frame 21 is rotatably disposed on the base 23, the rotating disc 24 is a hollow structure, the rotating disc 24 is sleeved on the vertical support frame 21 and can rotate with the support frame 21, and the plurality of slides 22 are disposed on the rotating disc 24.

Further, as shown in fig. 1, a plurality of slides 22 are radially distributed in multiple layers on the rotating disc 24, the slides 22 in different layers correspond to each other one by one, and the slides 22 in adjacent layers have intervals therebetween.

In some embodiments, a plurality of slots (not shown) for fixing a plurality of slides 22 are disposed on an outer side wall of the rotary disk 24, and each slide 22 is respectively engaged with each slot, accordingly, a plurality of slots are radially distributed on the outer side wall of the rotary disk 24, in each layer of slides 22 radially distributed along a circumferential direction of the rotary disk 24, an included angle between adjacent slides 22 is α, that is, each time the rotary disk 24 rotates by α degrees, one slide 22 is switched, a plurality of layers of slides 22 are disposed along an axial direction of the rotary disk 24, and a certain interval is provided between adjacent layers of slides 22, so that the feeding mechanism 20 can feed and switch slides 22 to be detected at different heights, increase the number of slides 22 detected in each round, and improve the reading efficiency, the distance between adjacent layers of slides 22 is preferably 6mm, the structure is more reasonable and compact, and the switching speed can be guaranteed (neither too fast nor too slow).

In this embodiment, seventy layers of slides 22 are disposed on the outer side wall of the rotating disc 24, twelve slides 22 are radially and uniformly distributed in each layer of slides 22 along the circumferential direction of the rotating disc 24, an included angle α between adjacent slides 22 is 30 °, and one slide 22 can be read when the rotating disc 24 rotates by 30 °.

In some embodiments, the feeding mechanism further comprises an elevating mechanism disposed on the support 21 and coupled to the rotating disc 24 for moving the rotating disc 24 in a vertical direction to enable the slides 22 of different layers to be positioned opposite the stage 11.

Specifically, as shown in fig. 2 and 3, the lifting mechanism includes a guide rail 251 and a slider 252 slidably connected to the guide rail 251, the guide rail 252 is vertically fixed on the bracket 21, the slider 252 is fixedly disposed on an inner side wall of the rotating disk 24, and the slider 252 moves along the guide rail 251 to drive the rotating disk 24 to lift.

In this embodiment, the guide rails 251 are disposed on two opposite sides of the bracket 21, and correspondingly, two sliders 252 are disposed on the inner sidewall of the rotating disc 24 and are matched with the guide rails 251 to ensure stable lifting. The rotating disc 24 is arranged to be a hollow cylindrical structure and sleeved on the support 21, so that the slider 252 arranged on the inner side wall of the rotating disc 24 and the guide rail 251 arranged on the side wall of the support 21 can form sliding connection, and the rotating disc 24 and the support 21 are connected through the lifting mechanism, and the structure is reasonable and compact. In addition, the rotary disk 24 is provided as a hollow cylindrical structure, which also facilitates accurate determination of the rotation angle. In the embodiment, because two sets of the guide rails 251 and the sliders 252 are arranged to be matched with each other, the support 21 is designed to be a vertical rectangular support, so that the internal space of the rotating disk 24 can be fully utilized, and the guide rails 251 and the sliders 252 can be conveniently installed. In specific implementation, the shapes of the support 21 and the rotating disc 24 are not limited in the present invention, and the shapes of the support 21 and the rotating disc 24 may be any shape such as a square, a cylinder, or an elliptic cylinder.

In order to ensure the smooth lifting of the lifting mechanism, an oil filling port is further formed in the slider 252, and lubricating oil can be filled into the slider 252 from the oil filling port to lubricate the slider 252.

In some embodiments, the feeding mechanism 20 further includes a first driving motor and a second driving motor, the first driving motor is connected to the rotating shaft for driving the rotating shaft to rotate so as to drive the rotating disc 24 to rotate; the second driving motor is connected with the lifting mechanism and used for driving the lifting mechanism to lift.

The bracket 21 is rotatably disposed on the base 23 through a rotating shaft, in some embodiments, the rotating shaft is mounted at a central position of the bottom of the base 23 through a bearing, the rotating shaft passes through the base 23 from below the base 23 to be connected with the bracket 21, the first driving motor is mounted below the base 23, and an output shaft of the first driving motor is connected with the rotating shaft. In other embodiments, the rotating shaft may be installed on the base 23 and penetrate into the inside of the bracket 21 to be fixedly connected with the bracket 21, the first driving motor is installed on the base 23, and the output shaft of the first driving motor penetrates into the bracket 21 from one side of the bracket 21 and is connected with the rotating shaft.

In some embodiments, to ensure the reliability of the feeding mechanism 20, the base 23 may be fixed, as shown in fig. 1, and the base 23 is fixed to the mounting platform by bolts.

The slide pick-and-place mechanism 30 is a telescopic pick-and-place mechanism, and includes a slide rail 31 disposed on the stage 11 and a pick-and-place unit 32 for picking and placing the slide 22, wherein the pick-and-place unit 32 is slidably connected to the slide rail 31, and the pick-and-place unit 32 can pick the slide 22 rotated to a position opposite to the stage 11 and move along the slide rail 31 to place the picked slide 22 at a predetermined position on the stage 11, and can place the slide 22 back to an original position along the slide rail 31 after the slide 22 is completely read. In a specific implementation, as shown in fig. 1, the slide rail 31 is disposed on the stage 11 and can face the slide 22 along the length direction of the slide 22, and when the slide 22 is rotated to a position opposite to the stage 11, the slide 22 is aligned with the slide rail 31.

The predetermined position on the stage 11 is a position opposite to the objective lens 12 of the microscope 10. In a specific implementation, as shown in fig. 1, a slide placing groove 111 may be provided on the stage 11 at a position opposite to the objective lens 12, the slide placing groove 111 being connected to the slide rail 31, and the pick-and-place unit may be capable of taking out the slide 22 on the rotating disk 24 aligned with the slide rail 31 and moving along the slide rail 31 to place the slide on the slide placing groove 111. The special slide placing groove 111 is arranged on the objective table 1, so that the slide 22 can be accurately placed, the slide 22 can be prevented from being moved randomly, and the reliability of slide reading can be ensured.

The specific structure of the pick-and-place unit is not limited as long as the slide can be grasped, and since the thickness of the slide 22 is small, in some embodiments, the pick-and-place unit 32 may be a suction unit including a suction nozzle, and after the suction unit sucks the slide 22, the suction unit can move along the slide rail 31 and place the slide 22 in the slide placing groove 111. The taking and placing unit 32 adopts a suction type structure, so that damage to the slide 22 can be reduced, and the accuracy of slide reading can be ensured. In other embodiments, the pick-and-place unit 32 may be a gripping unit including a gripper for gripping the slide 22.

Further, the pick-and-place unit 32 further comprises a driving unit connected to the slide pick-and-place mechanism 30 for driving the pick-and-place unit 32 to reciprocate along the slide rail 31. The driving unit may be a driving motor or a driving cylinder.

In some embodiments, a sensor, which may be a distance sensor, is disposed on the stage 11 near the slide rail 31. When the sensor senses the slide 22 rotated to the slide rail 31, the slide taking and placing mechanism 30 acts to take down the slide 22 rotated to the position opposite to the object stage 11 and place the slide in the slide placing groove 111 on the object stage 11, and after the slide reading is completed, the slide taking and placing mechanism 30 conveys the slide 22 along the slide rail 31 and places the slide in the clamping groove of the rotary turntable 24.

In some embodiments, the slide reading apparatus further comprises a controller (not shown) for controlling the whole slide reading process, the controller is electrically and/or signal-connected to the sensor, the slide pick and place mechanism 30, the first driving motor and the second driving motor, respectively, the controller can receive the position information of the slide 22 sensed by the sensor, control the slide pick and place mechanism 30 to pick and place the slide 22 at the position opposite to the stage 11, and control the first driving motor to drive the rotating disc 24 to rotate a predetermined angle to rotate the next slide 22 to be detected to the position opposite to the stage 11 after the slide pick and place mechanism 30 puts the slide 22 back to the rotating disc 24; after the rotary disk 24 rotates for a circle to complete the reading of one whole layer of slide 22, the controller can control the second driving motor to drive the lifting mechanism to lift by a preset height to read another layer of slide 22.

In some embodiments, the slide reading device is provided with at least one rotating disc 24, so that the slide reading device is convenient to replace and improves the working efficiency. For example, two rotating disks 24 are provided, when one rotating disk 24 is mounted on the feeding mechanism 20 for reading, the other rotating disk 24 can be mounted with the slide 22 to be detected to wait for reading, and after the reading of one rotating disk 24 is completed, the other rotating disk 24 mounted with the slide 22 can be replaced for reading, so that the replacement efficiency of the slide 22 is improved.

In some embodiments, the microscope 10 further includes an eyepiece 13 and a camera 14, the objective lens 12 is connected to the eyepiece 13 through a lens barrel, the camera 14 is disposed above the objective lens 12 and connected to the objective lens 12, the slide 22 is placed on the stage 11 opposite to the objective lens 12, the camera 14 is electrically or signal-connected to the controller, and the camera 14 can acquire information of the slide 22 in real time and transmit the information to the controller for reading.

The utility model discloses a concrete working process as follows:

in reading, the slide reading is started from the slide 22 disposed at the lowermost layer of the rotary disk 24. In the initial position, the height of the stage 11 matches the height of the lowermost slide 22 of the turntable 24, and the lowermost different slide 22 can be read by the rotation of the turntable 24.

The feeding mechanism 20 is driven by a first driving motor to rotate, and each time the feeding mechanism rotates by a certain angle α, the slide 22 on the rotating disk 1 is just aligned with the objective table 11 of the microscope 10 (also directly aligned with the slide rail 31 of the slide taking and placing mechanism 30), the sensor acquires the alignment position information of the slide 22 and transmits the information to the controller, the controller controls the slide taking and placing mechanism 30 on the objective table 11 to move to take off the slide 22 aligned with the objective table 11 and send the slide into the slide placing groove 13 of the objective table 11 along the slide rail 31 to start slide reading, after the slide reading is finished, the slide taking and placing mechanism 30 again moves to convey the slide 22 to the rotary turntable 24 along the slide rail 31, the controller controls the first driving motor to drive the rotating disk 24 to rotate by a preset angle α to align the next slide 22 to be detected with the objective table 11, the slide 22 is read by the slide taking and placing mechanism 30, and the operation is repeated until the whole slide 22 is completely read.

After the whole slide 22 is read, the controller controls the lifting mechanism of the feeding mechanism 20 to move vertically downward along the guide rail 421 by a certain height, so that the next (penultimate) slide 22 is opposite to the objective table 11, and the reading of the other slide 22 is started, and the above-mentioned rotary disc 1 is repeated to rotate the reading process, so that the slide 22 on the layer can be read.

The reading of each layer of slide 22 is repeated until all the layers of slides 22 are read. After the reading is finished, the rotating disc 24 is reset to the original position, the rotating disc 24 is taken down and replaced by another rotating disc 24, and the slide 22 on the other rotating disc 24 is read.

The whole film reading process can realize unattended operation and automatic film reading; compared with the traditional slide reading process, the inherent slide reading time is fixed, the time for loading and unloading the slide is greatly shortened in comparison with the traditional manual slide loading and unloading time, and the whole slide reading time is shortened; in addition, the placing position of the slide 22 is fixed every time, so that the repeatability is better, and the reading accuracy is improved.

In a specific implementation, the rotation speed of the rotating disk 24 (α degrees per rotation of the rotating disk 24) is controlled within 0.1S, and the descending speed of the rotating disk 24 is controlled within 0.1S, so as to ensure the control accuracy.

In some embodiments, the slide reading can be performed according to actual needs, for example, when there is a question about one or some slides 22 on the rotating tray 24 and the slide reading is required to be performed again, the height of the slide 22 can be raised and lowered to a position corresponding to the height of the stage 11, and the slide is rotated to a position aligned with the slide rail 31 on the stage 11, and the slide is taken and placed by the slide taking and placing mechanism 30, so that the automatic slide reading can be realized, and the slide reading efficiency can be improved.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.

Claims (10)

1. The slide reading device comprises a microscope, and is characterized by further comprising:

the feeding mechanism is arranged on one side of the microscope and comprises a bracket and a plurality of slides arranged on the bracket, and the slides can rotate along with the bracket or rotate relative to the bracket so as to enable the slides on the bracket to rotate to the position opposite to the object stage of the microscope;

a sensor provided on the stage for sensing positional information of the slide rotated to a position opposite to the stage of the microscope;

and the slide taking and placing mechanism is arranged on the object stage and can receive the position information of the slide which is sensed by the sensor and rotates to the position opposite to the object stage so as to take and place the slide to the preset position of the object stage.

2. The slide viewing device of claim 1, wherein the feeding mechanism further comprises a base, a rotary plate, and a rotary shaft, the support is rotatably disposed on the base via the rotary shaft, the rotary plate is sleeved on the support and can rotate with the support, and the plurality of slides are disposed on the rotary plate.

3. The slide reading device as claimed in claim 2, wherein the plurality of slides are radially distributed with a plurality of layers on the rotating disc, the slides in different layers correspond one to one, and the slides in adjacent layers are spaced from each other.

4. The slide viewing device of claim 3, wherein the feeding mechanism further comprises a lifting mechanism, the lifting mechanism is disposed on the support and connected to the rotating plate for driving the rotating plate to move in a vertical direction, so that the slides of different layers can be located opposite to the stage.

5. The slide reading device as claimed in claim 4, wherein the lifting mechanism includes a guide rail and a slider slidably connected to the guide rail, the guide rail is vertically fixed on the bracket, the slider is fixedly disposed on an inner sidewall of the rotating disk, and the slider moves along the guide rail to drive the rotating disk to lift.

6. The slide reading device as claimed in claim 4, wherein the feeding mechanism further comprises a first driving motor and a second driving motor, the first driving motor is connected to the rotating shaft for driving the rotating shaft to rotate; the second driving motor is connected with the lifting mechanism and used for driving the lifting mechanism to lift.

7. The slide viewing device of claim 1, wherein the slide pick and place mechanism comprises a slide rail disposed on the stage and a pick and place unit for picking and placing the slide, the pick and place unit being slidably coupled to the slide rail.

8. The slide reading device as claimed in claim 2, wherein a plurality of slots for fixing a plurality of slides are provided on the outer side wall of the rotary plate, and each slide is respectively engaged with each slot.

9. The slide viewer apparatus of claim 6, further comprising a controller, wherein the sensor, the slide pick and place mechanism, the first drive motor and the second drive motor are electrically and/or signal connected to the controller, respectively, and the controller is capable of receiving the position information of the slide sensed by the sensor, controlling the slide pick and place mechanism to pick and place the slide at a position opposite to the stage, and controlling the first drive motor to drive the rotary plate to rotate a predetermined angle to rotate the next slide to a position opposite to the stage after the slide pick and place mechanism returns the slide to the rotary plate; after the rotary disk rotates for a circle to finish the reading of one layer of the slide, the controller can control the second driving motor to drive the lifting mechanism to lift by a preset height to read the other layer of the slide.

10. The scoring device as recited in claim 2, wherein at least one of the rotatable disks is removably mounted to the stand.

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