A multi-channel loading mechanism

Abstract

This utility model discloses a multi-channel film loading mechanism, including a mounting frame with a lifting assembly connected to it. The lifting assembly is connected to a film storage tray slidably mounted on the right side of the mounting frame. The film storage tray contains a film storage compartment. A vertically adjustable positioning rack is located on the left front side of the film storage tray. A first sensor, cooperating with the positioning rack, is located on the lower front side of the mounting frame. The film storage compartment includes two symmetrically arranged second side plates, connected by several second connecting plates. Each of the two second side plates has several guide grooves evenly spaced vertically. Each guide groove has at least two downwardly recessed mounting slots on its lower side wall, each containing a magnet. The teeth on the positioning rack correspond one-to-one with the guide grooves. The advantages of this utility model are: automated film loading and feeding of the film storage compartment, eliminating the need for manual operation, saving time and labor, and reducing labor and testing costs; simple structure, fewer potential failure points, and low manufacturing cost.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, specifically a multi-channel film loading mechanism. Background Technology

[0002] A glass slide is a glass or quartz slide used for observation under a microscope. When preparing a sample, cell or tissue sections are placed on the slide and then observed under the microscope. Slide holders are often used to hold the slide in place for observation and testing under a microscope or other optical instruments. Figure 1 and Figure 2 As shown, a microscope slide holder 8 is an existing type of microscope slide clamp that can fix slides 9 of different lengths and sizes. The bottom surface of the slide holder 8 has four round holes for installing magnets, which can be attached to the microscope stage or the slide compartment to achieve quick fixation of the slide holder 8.

[0003] When placing cells or tissues on a slide, the slide must be laid flat. However, placing multiple slides horizontally simultaneously results in a large volume of slide loading mechanism, a large footprint, and low utilization of the slide compartment. Furthermore, existing slide loading mechanisms are complex, requiring multiple transmission mechanisms to operate, leading to numerous potential points of failure and high production costs. Some methods employ manual slide loading, which is slow, labor-intensive, and requires constant personnel monitoring. Utility Model Content

[0004] The purpose of this invention is to provide a multi-channel loading mechanism to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a multi-channel loading mechanism, including a mounting frame, a lifting assembly on the mounting frame, a film storage tray slidably disposed on the right side of the mounting frame, a film storage tray containing a film storage compartment, a positioning rack with adjustable vertical position on the left front side of the film storage tray, and a first sensor cooperating with the positioning rack on the lower front side of the mounting frame; the film storage compartment includes two symmetrically arranged second side plates, and several second connecting plates are connected between the two second side plates, with the several second connecting plates respectively disposed on the upper and lower sides and the front and rear sides of the second side plates; each of the two second side plates is provided with several guide grooves evenly spaced vertically, each guide groove penetrating the second side plate from front to back, each guide groove having a V-shaped opening on its front side, and each guide groove having at least two downwardly recessed mounting grooves on its lower side wall, with magnets installed in the mounting grooves; the teeth on the positioning rack are arranged one-to-one with the guide grooves.

[0006] Further optimization involves the following: the tray includes a base plate, and two first side plates are arranged on the top of the base plate. The left side plate of the two first side plates is connected to a lifting assembly. A first connecting plate is connected to the upper front end of the two first side plates, and a buckle assembly is connected to the upper rear end of the two first side plates.

[0007] Further optimization involves the buckle assembly comprising an outer frame fixed above the two first side plates. The outer frame is a rectangular frame structure, and the inner side of the outer frame is connected to a buckle that can slide up and down. An insert block is provided in the lower middle of the buckle.

[0008] Further optimization includes a snap-fit ​​connection with a sensor extending to the left, two second sensors that engage with the sensor and the positioning rack at the upper end of the mounting bracket, and a pull plate at the rear of the snap-fit.

[0009] Further optimization involves providing sliding grooves on the inner left and right side walls of the outer frame and the relative inner sides of the two first side plates for the buckle to slide up and down, with a spring abutting against the top of the buckle inside the sliding groove on the outer frame.

[0010] Further optimization includes a locking hole on one of the second connecting plates located at the upper rear end of the second side plate, which is equipped with a locking hole that mates with the insert block; a positioning protrusion on one of the second connecting plates located at the lower rear end of the second side plate; a positioning groove that mates with the positioning protrusion on the rear side of the bottom plate; and a lifting hole on the upper end of both second side plates.

[0011] Further optimization includes a connecting block connected to the lifting assembly on the left side of one of the two first side plates, a slider connected to the left side of one of the two first side plates, a guide rail that cooperates with the slider on the mounting bracket, and a limiting block on the opposite inner side of each of the two first side plates.

[0012] Further optimization includes a horizontally arranged fixed plate, a vertically arranged vertical plate on the fixed plate, a top plate at the upper end of the vertical plate, the first sensor being installed at the lower front end of the vertical plate, and a clearance hole on the vertical plate for vertical lifting and lowering of the connecting block.

[0013] In a further optimization, the lifting assembly includes a motor mounted on a fixed plate, and the upper output shaft of the motor is connected to a ball screw rotatably mounted between the fixed plate and the top plate. The ball nut of the ball screw is connected to a connecting block.

[0014] Beneficial effects: The multi-channel film loading mechanism of this utility model, through the cooperation of the lifting component and the film tray, drives the film tray to lift and lower, and can align the vertically stacked film clips in the film tray with the microscope stage, making it easy to directly remove the film clips in the film tray and transfer them to the stage, realizing the automated film loading and feeding of the film tray without manual operation, saving time and effort, and reducing labor costs and testing costs.

[0015] The structure of the slide tray facilitates the loading and replacement of slides, and allows for quick replacement of full slides, enabling continuous slide loading. The snap-fit ​​assembly secures the slide tray, preventing it from shifting or deviating, ensuring accurate positioning and stable installation, and avoiding positional deviations caused by wear of mechanical clips.

[0016] The slide compartment's guide groove design enables vertical stacking of slide clips, facilitating insertion and removal. Stacking multiple clips increases the utilization rate of the slide compartment while minimizing floor space. Simultaneously, magnets at the bottom of the guide grooves create an adsorption and positioning effect with the magnets at the bottom of the slide clips, ensuring accurate positioning and safe insertion. The design of the second sensor, sensing plate, and positioning rack ensures the slide compartment is properly engaged and detects the number of teeth on the positioning rack, enabling the detection of the number of slides already loaded.

[0017] The multi-channel loading mechanism has a simple structure, few failure points, low manufacturing cost, low initial investment cost, and is more flexible in use, making it better suited to market demands. Attached Figure Description

[0018] Figure 1 A top-view isometric structural diagram of a conventional slide clamp that holds a glass slide, as disclosed in the background art of this utility model.

[0019] Figure 2 A lower-view axonometric structural diagram of a conventional slide clamp that holds a glass slide, as disclosed in the background art of this utility model.

[0020] Figure 3 This is an isometric structural diagram of the multi-channel loading mechanism disclosed in the embodiments of this utility model;

[0021] Figure 4 This is a front view schematic diagram of the multi-channel loading mechanism disclosed in the embodiments of this utility model;

[0022] Figure 5 This is a schematic diagram of the assembly structure of the mounting frame and lifting assembly disclosed in the embodiments of this utility model;

[0023] Figure 6 This is a front-view axonometric structural diagram of the wafer tray disclosed in the embodiments of this utility model;

[0024] Figure 7 This is a rear-view isometric structural diagram of the wafer storage tray disclosed in the embodiment of this utility model.

[0025] Figure 8 This is an isometric structural diagram of the chip compartment disclosed in the embodiment of this utility model;

[0026] Figure 9 This is a rear view structural diagram of the chip compartment disclosed in the embodiments of this utility model;

[0027] Figure 10 This is a schematic diagram of the multi-channel loading mechanism disclosed in this embodiment of the present invention when the wafer clamp is full.

[0028] Reference numerals: 1-Mounting bracket, 11-Fixing plate, 12-Vertical plate, 121-Allowing hole, 13-Top plate, 2-Lifting assembly, 21-Motor, 22-Ball screw, 3-Slide tray, 31-Bottom plate, 32-First side plate, 33-First connecting plate, 34-Positioning rack, 35-Connecting block, 36-Snap-on assembly, 361-Outer frame, 362-Snap-on, 363-Insertion block, 364-Sensing sheet, 365-Pull plate, 37-Slider, 38-Limiting block, 4-Slide compartment, 41-Second side plate, 411-Guide groove, 412-Mounting groove, 413-Lifting hole, 42-Second connecting plate, 421-Snap hole, 422-Positioning protrusion, 5-Guide rail, 6-First sensor, 7-Second sensor, 8-Slide clip, 9-Slide. Detailed Implementation

[0029] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0030] like Figure 3-10As shown, a multi-channel loading mechanism includes a mounting frame 1, a lifting assembly 2 on the mounting frame 1, a film storage tray 3 slidably disposed on the right side of the mounting frame 1 connected to the lifting assembly 2, a film storage tray 3 containing a film storage compartment 4, a vertically adjustable positioning rack 34 on the left front side of the film storage tray 3, and a first sensor 6 cooperating with the positioning rack 34 on the lower front side of the mounting frame 1; the film storage compartment 4 includes two symmetrically arranged second side plates 41, and several second connecting plates connecting the two second side plates 41. 42. Several second connecting plates 42 are respectively disposed on the upper and lower sides and the front and rear sides of the second side plate 41. Each of the two second side plates 41 is provided with several guide grooves 411 that are evenly spaced vertically. Each guide groove 411 passes through the second side plate 41 from front to back. The front side of each guide groove 411 is open in a figure-eight shape. Each guide groove 411 has at least two downwardly recessed mounting grooves 412 on its lower side wall. Magnets are installed in the mounting grooves 412. The teeth on the positioning rack 34 are arranged one-to-one with the guide grooves 411.

[0031] In this application, a multi-channel slide loading mechanism is used for automatic loading and unloading of glass slides 9, realizing automatic slide loading for the microscope. It enables the longitudinal stacking of multiple glass slides 9, facilitating continuous slide feeding to the microscope. Furthermore, in this application, the glass slides 9 are fixed within slide holders 8, facilitating observation and inspection under a microscope or other optical instruments. The slide holders 8 also facilitate the carrying and storage of glass slides, making them suitable for various experimental environments and occasions. Magnets are located at the bottom of the slide holders 8 for convenient magnetic positioning and fixation. The mounting frame 1 of this multi-channel slide loading mechanism is used for mounting the lifting assembly 2 and the slide tray 3. The lifting assembly 2 can drive the slide tray 3 to rise and fall. The slide tray 3 is used to mount the slide compartment 4, which is used for the longitudinal stacking of the slide holders 8 containing glass slides 9, enabling the longitudinal stacking of multiple glass slides 9. The lifting assembly 2 can drive the slide tray 3 and the slide compartment 4 to rise and fall, achieving height adjustment of the longitudinally stacked slide holders 8 and glass slides 9, facilitating direct delivery of the glass slides 9 to the microscope and enabling continuous slide feeding. The positioning rack 34 is fixed to the front side of the slide tray 3 and can move up and down synchronously with the slide tray 3 and the slide compartment, facilitating the detection of the slide clips 8 in the slide compartment 4 by the first sensor 6. Simultaneously, the teeth on the positioning rack 34 correspond one-to-one with the guide grooves 411, meaning that each time a tooth of the positioning rack 34 moves up or down, one slide clip 8 moves up or down, thus moving one slide 9 up or down. When the slide compartment 4 and the positioning rack 34 descend a certain distance with the lifting assembly 2, the microscope stage aligns with the corresponding slide clip 8 in the slide compartment 4. At this time, the first sensor 6 aligns with the corresponding tooth on the positioning rack 34. By detecting the number of teeth moving downwards, the first sensor 6 counts the number of slide clips 8 that have moved downwards, thus counting the number of slide clips 8 that have been transferred out of the slide compartment 4. This facilitates the replacement of the slide compartment 4 with the loaded slide clips 8 and slides 9 after all the slide clips 8 have been transferred out.

[0032] In this application, the slide compartment 4 consists of two second side plates 41 and several second connecting plates 42. The second connecting plates 42 are used to fix the two second side plates 41 to form a frame structure, which facilitates the stacking and fixing of multiple slide clips 8. The several second connecting plates 42 are arranged on the four sides of the second side plates 41 from the front and back, and top and bottom, to ensure the stability of the slide compartment 4. The guide grooves 411 provided on the second side plates 41 are used for the insertion of the slide clips 8. The several guide grooves 411 are evenly spaced vertically to achieve the even stacking of the same number of slide clips 8, thereby achieving the stacking of several glass slides 9, which facilitates the stacking and loading of glass slides 9. At the same time, the guide grooves 411 facilitate the insertion and removal of the slide clips 8, thereby facilitating the loading of glass slides 9. The front opening of the guide groove 411 is V-shaped, which facilitates the insertion of the slide clips 8, and serves as an insertion guide and reduces obstruction. The mounting slot 412 is used for the installation of magnets. It can form an attraction with the magnet on the bottom surface of the clip 8 to achieve magnetic alignment of the clip 8, ensuring that the clip 8 can be well aligned on the clip compartment 4. Compared with the mechanical buckle positioning structure, it can avoid positional deviation caused by mechanical buckle wear. At the same time, the clip 8 can be directly pulled out or inserted, reducing the complexity of mechanical unlocking or locking procedures.

[0033] In this application, the slide compartment 4 can hold 30 slide clips 8 at a time, that is, it can load 30 glass slides 9 at once. The spacing between two adjacent glass slides 9 is 8mm, realizing the simultaneous loading of 30 glass slides 9. It can be used for continuous microscopic examination of 30 glass slides 9, which can greatly improve the detection efficiency. Moreover, the vertical stacking of the slide compartment 4 greatly improves the utilization rate of the slide compartment 4 and reduces the space occupation rate. The structure of this multi-channel slide loading mechanism is simple, with few failure points, low manufacturing cost, and low initial investment in testing. The daily sample testing volume of hospitals is usually around 100. The slide compartment of this application can hold 30 glass slides, making it more flexible and more suitable for the medical and testing market. In addition, automated slide loading can avoid the problem of personnel on-site operation of single-slide microscopes.

[0034] like Figure 6 and Figure 7 As shown, in one embodiment of this application, the wafer tray 3 includes a base plate 31, and two first side plates 32 are provided on the top of the base plate 31. One of the two first side plates 32 on the left is connected to the lifting assembly 2. A first connecting plate 33 is connected to the upper front side of the two first side plates 32, and a buckle assembly 36 is connected to the upper rear side of the two first side plates 32.

[0035] In this embodiment, the tablet tray 3 includes a base plate 31, two first side plates 32, and a first connecting plate 33. The base plate 31, the first side plates 32, and the first connecting plate 33 form a cuboid frame structure, which facilitates the loading of the tablet compartment 4 and the removal and transfer of the tablet clips 8 inserted in the tablet compartment 4. The snap-fit ​​assembly 36 provided above the first side plate 32 is used to snap and fix the tablet compartment 4 inserted into the tablet tray 3 to prevent the tablet compartment 4 from shaking.

[0036] Continue to refer to Figure 6 and Figure 7 As shown, based on the above solution, in another embodiment of this application, the buckle assembly 36 includes an outer frame 361 fixed above the two first side plates 32. The outer frame 361 is a rectangular frame structure. The inner side of the outer frame 361 is connected to a buckle 362 that can slide up and down. An insert block 363 is provided in the lower middle of the buckle 362.

[0037] Specifically, in this embodiment, the buckle assembly 36 consists of an outer frame 361, a buckle 362, and an insert block 363. The outer frame 361 is fixed above the tablet tray 3, specifically above the first side plate 32. The buckle 362 is slidably disposed within the frame of the buckle frame 361 and can move up and down. When the buckle 362 moves downward, it can drive the insert block 363 to move downward synchronously, inserting the insert block 363 into the tablet tray 4, thereby achieving positioning and limiting of the tablet tray 4 and preventing the tablet tray 4 from moving or shaking.

[0038] Furthermore, the latch 362 is connected to a left-extending sensor 364. The upper end of the mounting bracket 1 is equipped with two second sensors 7 that cooperate with the sensor 364 and the positioning rack 34. A pull plate 365 is located on the rear side of the latch 362. The sensor 364 cooperates with one of the second sensors 7 located on the rear side to sense whether the insert 363 at the lower end of the latch 362 connected to the sensor 364 is properly inserted. If the insert 363 is properly inserted into the film compartment 4, the second sensor 7, which cooperates with the sensor 364, can transmit a signal to the control system, informing the latch 362 that it is properly latched. Only then can the lifting assembly 2 drive the film compartment tray 3 to move up and down, ensuring accurate subsequent film loading. One of the two second sensors 7, located on the front side, cooperates with the positioning rack 34 to detect when the film compartment tray 3 moves from bottom to top and reaches the top, thus achieving a reset detection for the film compartment tray 3.

[0039] Further optimization involves providing sliding grooves on the inner left and right side walls of the outer frame 361 and the relative inner sides of the two first side plates 32 for the buckle 362 to slide up and down. A spring is installed within the sliding groove on the outer frame 361, abutting against the top of the buckle 362. The sliding groove guides and limits the up-and-down movement of the buckle 362, ensuring smooth and precise movement and stability when the buckle 362 is positioned on the tablet compartment 4, further improving the positioning accuracy and stability of the tablet compartment 4. The spring is installed above the buckle 362, with its upper end abutting against the upper inner side of the outer frame 361 and its lower end abutting against the buckle 362, providing a continuous downward force on the buckle 362. This continuous downward force ensures the stable fixation of the tablet compartment 4, preventing it from shifting. Simultaneously, it facilitates the removal of the tablet compartment 4 by lifting the buckle 362 upwards, allowing the insert block 363 to separate from the tablet compartment 4.

[0040] like Figure 8 and Figure 9 As shown, based on the above scheme, further, one of the several second connecting plates 42 located at the upper rear end of the second side plate 41 is provided with a locking hole 421 that cooperates with the insert block 363; one of the several second connecting plates 42 located at the lower rear end of the second side plate 41 is provided with a positioning protrusion 422; the rear side of the bottom plate 31 is provided with a positioning groove 311 that cooperates with the positioning protrusion 422; and the upper ends of both second side plates 41 are provided with lifting holes 413. That is, the locking hole 421 is used to cooperate with the insert block 363. When the insert block 363 is inserted into the locking hole 421, it can limit and fix the second connecting plate 42 and the plate compartment 4, allowing the steel needle plate compartment 4 to move or shake; and when the insert block 363 is separated from the locking buckle 421, it is convenient to remove the plate compartment 4 from the plate compartment tray 3. The positioning protrusion 422 is used to cooperate with the positioning groove 311. When the tablet compartment 4 is placed into the tablet compartment tray 3, the positioning protrusion 422 at the lower end of the tablet compartment 4 is inserted into the positioning groove 311 on the bottom plate 31 of the tablet compartment tray 3, which can position and limit the tablet compartment 4, ensuring that the tablet compartment 4 is installed accurately and stably in the tablet compartment tray 3.

[0041] like Figure 5-7 As shown, based on the above scheme, in another embodiment of this application, one of the two first side plates 32 on the left is connected to a connecting block 35 connected to the lifting assembly 2, one of the two first side plates 32 on the left is connected to a slider 37, the mounting bracket 1 is provided with a guide rail 5 that cooperates with the slider 37, and the two first side plates 32 are provided with limiting blocks 38 on their respective inner sides.

[0042] In this embodiment, the connecting block 35 is used to connect with the lifting assembly 2 and the first side plate 32 of the slide tray 3, ensuring that the lifting assembly 2 can drive the slide tray 3 to rise and fall, thereby achieving synchronous lifting of the slide compartment 4 and the slide holder 8 and glass slide 9 within the slide compartment 4, and achieving continuous feeding of the glass slide 9. The slider 37 is used to cooperate with the guide rail 5 to connect the slide tray 3 and the mounting frame 1, and can guide the lifting and falling of the slide tray 3, ensuring that the lifting and falling of the slide tray 3 and the slide compartment 4 is smooth and stable. The limiting block 38 is used to limit and support the slide compartment 4 within the slide tray 3, ensuring the stable installation of the slide compartment 4.

[0043] Further optimization involves providing a groove on the limiting block 38, which contains an elastic pad to further stabilize the tablet compartment 4 while preventing scratches or damage to the tablet compartment 4.

[0044] like Figure 5 As shown, in another embodiment of this application, the mounting bracket 1 includes a horizontally arranged fixing plate 11, a vertically arranged vertical plate 12 on the fixing plate 11, a top plate 13 at the upper end of the vertical plate 12, a first sensor 6 installed at the lower front end of the vertical plate 12, and an avoidance hole 121 on the vertical plate 12 for vertically raising and lowering the connecting block 35.

[0045] In this embodiment, the mounting frame 1 includes a fixed plate 11, a vertical plate 12, and a top plate 13. The fixed plate 11, vertical plate 12, and top plate 13 form a mounting support frame for the lifting assembly 2 and the tablet tray 3, facilitating the installation of the lifting assembly 2 and providing support for the tablet tray 3, as well as for the installation of the guide rails 5, the first sensor 6, and the second sensor 7. Specifically, the two guide rails 5 and the first sensor 6 are mounted on the vertical plate 12, the two second sensors 7 are mounted on the top plate 13, and the lifting assembly 2 is mounted between the bottom plate 11 and the top plate 13. The clearance hole 121 is used for the lifting clearance of the connecting block 35, ensuring that the connecting block 35 can move vertically.

[0046] Continue to refer to Figure 5 As shown, in another embodiment of this application, the lifting assembly 2 includes a motor 21 mounted on a fixed plate 11. The upper output shaft of the motor 21 is connected to a ball screw 22 rotatably mounted between the fixed plate 11 and the top plate 13. The ball nut of the ball screw 22 is connected to the connecting block 35.

[0047] In this embodiment, the lifting assembly 2 consists of a motor 21 and a ball screw 22. The motor 21 can drive the screw of the ball screw 22 to rotate. By converting the rotation of the screw of the ball screw 22 into the linear up-and-down movement of the ball nut, the connecting block 35 is driven to move up and down synchronously, and finally the lifting and lowering movement of the tablet tray 3 and the tablet compartment 4 is realized.

[0048] Meanwhile, the lifting assembly 2 of this application is not limited to the composition of motor 21 and ball screw 22, and other lifting modules can also be used to drive the lifting of the film compartment tray 3 and film compartment 4.

[0049] In this application, the workflow of the multi-channel film loading mechanism is as follows: 30 slide holders 8, each containing a glass slide 9, are first loaded into the slide compartment 4. Then, the slide compartment 4 is placed into the slide compartment tray 3. The positioning protrusion 422 on the bottom of the slide compartment 4 engages with the positioning groove 311 of the slide compartment tray 3. The latch 362 of the latching assembly 36 of the slide compartment tray 3 presses against the upper ends of the two second side plates 41 of the slide compartment 4. The insert 363 of the latching assembly 36 is inserted into the latching hole 421 of the slide compartment 4, thus installing the slide compartment 4. A second sensor 6 located at the rear detects the sensing plate 364 of the large slide latch 36, and the surface latching assembly 36 engages with the slide compartment 4. Once the slide is in place, it can be loaded onto the microscope. The motor 21 of the lifting assembly 2 drives the ball screw 22 to rotate, and then the ball nut of the ball screw 22 drives the slide tray 3 to move downward by one tooth pitch of the positioning rack 34, aligning the bottom slide clip 8 with the microscope stage. The slide clip 8 and the slide 9 on it are then removed and transferred to the microscope stage for inspection. When the inspection of one slide 9 is completed and the inspection of the next slide 9 is needed, the lifting assembly 2 drives the slide tray 4 to descend by one tooth pitch of the positioning rack 34, removing the next slide clip 8. This process is repeated to continuously load the slides 9.

[0050] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A multi-channel loading mechanism, comprising a mounting bracket (1), characterized in that: The mounting frame (1) is provided with a lifting assembly (2), and the lifting assembly (2) is connected to a film storage tray (3) slidably disposed on the right side of the mounting frame (1). The film storage tray (3) contains a film storage compartment (4). The left front side of the film storage tray (3) is provided with a positioning rack (34) whose vertical position is adjustable. The lower front side of the mounting frame (1) is provided with a first sensor (6) that cooperates with the positioning rack (34). The film storage compartment (4) includes two second side plates (41) arranged symmetrically on the left and right sides. Several second connecting plates (42) are connected between the two second side plates (41). The second connecting plate (42) is disposed on the upper and lower sides and the front and rear sides of the second side plate (41). Each of the two second side plates (41) is provided with a number of guide grooves (411) evenly spaced at the top and bottom. Each guide groove (411) passes through the second side plate (41) from front to back. The front side of each guide groove (411) has an eight-shaped opening. Each guide groove (411) has at least two downward recessed mounting grooves (412) on its lower side wall. A magnet is installed in the mounting groove (412). The teeth on the positioning rack (34) are arranged one-to-one with the guide grooves (411).

2. The multi-channel loading mechanism according to claim 1, characterized in that: The tray (3) includes a base plate (31), and two first side plates (32) are provided on the top of the base plate (31). One of the two first side plates (32) on the left is connected to the lifting assembly (2). A first connecting plate (33) is connected to the upper front side of the two first side plates (32), and a buckle assembly (36) is connected to the upper rear side of the two first side plates (32).

3. The multi-channel loading mechanism according to claim 2, characterized in that: The buckle assembly (36) includes an outer frame (361) fixed above the two first side plates (32). The outer frame (361) is a rectangular frame structure. The inner side of the outer frame (361) is connected to a buckle (362) that can slide up and down. The buckle (362) has an insert (363) in the lower middle.

4. The multi-channel loading mechanism according to claim 3, characterized in that: The buckle (362) is connected to a sensor plate (364) extending to the left. The upper end of the mounting bracket (1) is provided with two second sensors (7) that cooperate with the sensor plate (364) and the positioning rack (34). The buckle (362) is provided with a pull plate (365) on the rear side.

5. A multi-channel loading mechanism according to claim 3, characterized in that: The inner left and right side walls of the outer frame (361) and the relative inner sides of the two first side plates (32) are provided with sliding grooves for the buckle (362) to slide up and down. The sliding grooves on the outer frame (361) are provided with springs that abut against the top of the buckle (362).

6. A multi-channel loading mechanism according to claim 3, characterized in that: One of the several second connecting plates (42) located at the upper rear end of the second side plate (41) is provided with a card hole (421) that cooperates with the insert block (363). One of the several second connecting plates (42) located at the lower rear end of the second side plate (41) is provided with a positioning protrusion (422). The rear side of the bottom plate (31) is provided with a positioning groove (311) that cooperates with the positioning protrusion (422). The upper ends of the two second side plates (41) are provided with lifting holes (413).

7. A multi-channel loading mechanism according to claim 2, characterized in that: One of the two first side plates (32) on the left is connected to a connecting block (35) connected to the lifting assembly (2), and one of the two first side plates (32) on the left is connected to a slider (37). The mounting bracket (1) is provided with a guide rail (5) that cooperates with the slider (37). The two first side plates (32) are provided with limit blocks (38) on their opposite inner sides.

8. A multi-channel loading mechanism according to claim 7, characterized in that: The mounting bracket (1) includes a horizontally arranged fixing plate (11), a vertically arranged vertical plate (12) on the fixing plate (11), a top plate (13) on the upper end of the vertical plate (12), the first sensor (6) is installed on the lower front side of the vertical plate (12), and the vertical plate (12) is provided with a clearance hole (121) for vertical lifting of the connecting block (35).

9. A multi-channel loading mechanism according to claim 8, characterized in that: The lifting assembly (2) includes a motor (21) mounted on a fixed plate (11). The upper output shaft of the motor (21) is connected to a ball screw (22) rotatably mounted between the fixed plate (11) and the top plate (13). The ball nut of the ball screw (22) is connected to the connecting block (35).

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