Automatic slice unfolding and fishing device

Abstract

According to the technical scheme, the automatic slice unfolding and fishing device is characterized by comprising a machine body, a slice unfolding mechanism, a slice fishing mechanism and a water circulation mechanism; the slice unfolding mechanism, the slice fishing mechanism and the water circulation mechanism are all arranged on the machine body; the sheet unfolding mechanism comprises a sheet unfolding water tank, a heating assembly and an air suction assembly, the sheet unfolding water tank is arranged on the machine body and is divided into a first sheet unfolding area and a second sheet unfolding area, the heating assembly is arranged in the first sheet unfolding area, and the air suction assembly is arranged in the second sheet unfolding area; the slice fishing mechanism is arranged close to the second slice unfolding area, the water inlet end of the water circulation mechanism is arranged on the second slice unfolding area, the water outlet end of the water circulation mechanism is arranged on the first slice unfolding area, and the water inlet end and the water outlet end of the water circulation mechanism are both communicated with the slice unfolding water tank. According to the invention, wrinkles of the tissue slice can be reduced, water residues in the process of fitting the tissue slice and the glass slide are reduced, tissue displacement is avoided, and slice fishing is facilitated.

Description

Technical Field

[0001] The invention belongs to the technical field of pathological samples, and in particular to an automatic slide spreading and scooping device. Background Art

[0002] Pathology paraffin blocks are made by removing pathological tissue from a patient. Pathologists cut appropriate-sized blocks of the tissue based on diagnostic needs, dehydrate it, and then soak it in wax to create paraffin-embedded blocks. These blocks are then sliced to create tissue sections.

[0003] After obtaining tissue sections, they are usually required to be spread and retrieved to facilitate fixation on slides. Existing technologies are mostly limited to slicing small pieces of pathological tissue and cannot be fully automated for slicing large pieces of pathological tissue. Thin slices of large pieces of pathological tissue are difficult to completely flatten and transfer after flattening, making the retrieval process even more complex and difficult. Summary of the Invention

[0004] The purpose of the present invention is to provide an automatic slice spreading and scooping device, which can reduce wrinkles of large tissue slices, reduce moisture residue during the bonding process of large tissue slices and slides, avoid tissue displacement, and facilitate slice scooping.

[0005] The technical solutions to achieve the above objectives include the following:

[0006] The automatic film spreading and catching device comprises: a machine body, a film spreading mechanism, a film catching mechanism and a water circulation mechanism; the film spreading mechanism, the film catching mechanism and the water circulation mechanism are all arranged on the machine body;

[0007] The film spreading mechanism includes: a film spreading water tank, a heating component and an air suction component. The film spreading water tank is arranged on the machine body and is divided into a first film spreading area and a second film spreading area. The heating component is arranged in the first film spreading area, and the air suction component is arranged in the second film spreading area.

[0008] The piece-picking mechanism is arranged near the second piece-expanding area, the water inlet end of the water circulation mechanism is arranged on the second piece-expanding area, the water outlet end of the water circulation mechanism is arranged on the first piece-expanding area, and the water inlet end and the water outlet end of the water circulation mechanism are both connected to the piece-expanding water tank.

[0009] In some embodiments, the water inlet end of the first expansion area is connected to the water outlet end of the water circulation mechanism, the water outlet end of the first expansion area is connected to the water inlet end of the second expansion area, the water outlet end of the second expansion area is connected to the water inlet end of the water circulation mechanism, and the distance between the two sides of the second expansion area gradually decreases from its water inlet end along the water outlet end.

[0010] In some embodiments, the suction component includes: multiple suction cups, the multiple suction cups are divided into a first suction group and a second suction group, the first suction group is arranged on one side of the second exhibition area, the second suction group is arranged on the other side of the second exhibition area, the first suction group and the second suction group are arranged symmetrically, and the suction ends of the first suction group and the second suction group are arranged toward the inner side of the first exhibition area.

[0011] In some embodiments, the suction cups of the first suction group are arranged horizontally along one side of the second expansion piece, and the height of the suction cup at the water outlet end is lower as it is closer to the second expansion piece area; the suction cups of the second suction group are arranged horizontally along the other side of the second expansion piece, and the height of the suction cup at the water outlet end is lower as it is closer to the second expansion piece area.

[0012] In some embodiments, the heating assembly includes: a first heating tube and a first temperature controller, the first heating tube is arranged in a serpentine shape at the bottom of the first exhibition area, the first temperature controller is arranged on the side wall of the first exhibition area, and the first temperature controller is connected to the first heating tube through a wire.

[0013] In some embodiments, a water inlet is provided at the water inlet end of the expansion sheet water tank, and a water outlet is provided at the water outlet end of the expansion sheet water tank. The water circulation mechanism includes: an inlet pipe, an outlet pipe and a water pump; the water inlet end of the water pump is connected to the water outlet of the expansion sheet water tank through the inlet pipe, and the water outlet end of the water pump is connected to the water inlet of the expansion sheet water tank through the outlet pipe. A filter component is provided at the water inlet and / or the water outlet of the expansion sheet water tank.

[0014] In some embodiments, the filter assembly includes: a mounting frame and a sponge filter; the mounting frame is detachably connected to the water inlet and / or outlet of the expansion tank, and the sponge filter is arranged in the mounting frame.

[0015] In some embodiments, a slice toasting mechanism is provided on the machine body, and the slice toasting mechanism includes: a slice toasting box, a conveyor belt assembly and a first driving member; a conveying trough is provided on the slice toasting box, a second heating tube is provided on the inner wall of the conveyor belt assembly, the conveyor belt assembly is rotatably provided on the conveyor belt, the first driving member is provided on the slice toasting box, and the first driving member and the conveyor belt assembly are transmission-connected.

[0016] In some embodiments, a limiting groove is provided on the machine body, and the limiting groove is provided near the output end of the conveyor belt assembly. The top of the limiting groove has a first opening, and the side of the limiting groove close to the conveyor belt assembly has a second opening. A storage box is slidably provided in the limiting groove, and a second driving member is provided on the machine body, and the output end of the second driving member abuts against the storage box.

[0017] In some embodiments, the storage box has a first inner wall and a second inner wall arranged opposite to each other, a plurality of first partitions are provided on the first inner wall, and a plurality of second partitions are provided on the second inner wall, the plurality of first partitions and the plurality of second partitions correspond one to one, and the gap between adjacent first partitions is greater than the sum of the thicknesses of the glass slide and the tissue section.

[0018] The technical solution provided by the present invention has the following advantages and effects: by setting the heating component of the first exhibition area and the suction component of the second exhibition area, the staged processing of the tissue section exhibition is realized. The heating of the first exhibition area can flatten most of the wrinkles on the tissue section, and the suction in the second exhibition area can further flatten the unflattened wrinkles on the tissue section, reducing the wrinkles of the tissue section. In addition, by suctioning the tissue section, when the section is scooped up through the glass slide, the moisture residue in the process of bonding the tissue section and the glass slide can be reduced, thereby avoiding tissue displacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings herein illustrate specific examples of the technical solutions described in the present invention, and together with the specific implementation methods constitute a part of the specification, and are used to explain the technical solutions, principles and effects of the present invention.

[0020] Unless otherwise specified or defined, the same reference numerals in different drawings represent the same or similar technical features, and the same or similar technical features may also be represented by different reference numerals.

[0021] Figure 1 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

[0022] Figure 2 Schematic diagram of the internal structure of the sheet-spreading water tank according to an embodiment of the present invention;

[0023] Figure 3 yes Figure 2 A magnified schematic diagram of part B in the middle;

[0024] Figure 4 Schematic diagram of the internal structure of the slice baking mechanism according to an embodiment of the present invention;

[0025] Figure 5 yes Figure 1 A magnified schematic diagram of the middle part;

[0026] Figure 6 2 is a schematic diagram of the overall structure of a storage box according to an embodiment of the present invention.

[0027] Description of reference numerals:

[0028] 1. Machine body; 11. Limiting groove; 2. Film spreading mechanism; 21. Film spreading water trough; 211. First film spreading area; 212. Second film spreading area; 22. Heating assembly; 221. First heating tube; 23. Suction assembly; 231. Suction cup; 24. Filter assembly; 241. Mounting frame; 242. Sponge filter; 3. Film scooping mechanism; 31. Slide box; 32. Multi-axis manipulator; 4. Water circulation mechanism; 41. Water inlet pipe; 42. Water outlet pipe; 43. Water pump; 5. Film baking mechanism; 51. Film baking box; 511. Conveying trough; 512. Second heating tube; 52. Conveyor belt assembly; 521. Conveyor belt; 522. First transmission shaft; 523. Second transmission shaft; 53. First driving member; 6. Storage box; 61. First partition; 62. Second partition; 7. Second driving member. DETAILED DESCRIPTION

[0029] To facilitate understanding of the present invention, specific embodiments of the present invention will be described in more detail below with reference to the accompanying drawings.

[0030] Unless otherwise specified or defined, the "first, second..." used in this article is only used to distinguish names and does not represent a specific quantity or order.

[0031] Unless stated otherwise or defined otherwise, the term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0032] It should be noted that when an element is considered to be "fixed to" another element, it can be directly fixed to the other element or there can be an intermediate element; when an element is considered to be "connected to" another element, it can be directly connected to the other element or there can be an intermediate element; when an element is considered to be "mounted on" another element, it can be directly mounted on the other element or there can be an intermediate element. When an element is considered to be "located on" another element, it can be directly located on the other element or there can be an intermediate element.

[0033] like Figure 1-Figure 5As shown, an embodiment of the present invention provides an automatic film spreading and scooping device, comprising: a body 1, a film spreading mechanism 2, a film scooping mechanism 3 and a water circulation mechanism 4; the film spreading mechanism 2, the film scooping mechanism 3 and the water circulation mechanism 4 are all arranged on the body 1; the film spreading mechanism 2 comprises: a film spreading water tank 21, a heating component 22 and an air suction component 23, the film spreading water tank 21 is arranged on the body 1, the film spreading water tank 21 is divided into a first film spreading area 211 and a second film spreading area 212, the heating component 22 is arranged in the first film spreading area 211, and the air suction component 23 is arranged in the second film spreading area 212; the film scooping mechanism 3 is arranged close to the second film spreading area 212, the water inlet end of the water circulation mechanism 4 is arranged on the second film spreading area 212, the water outlet end of the water circulation mechanism 4 is arranged on the first film spreading area 211, and the water inlet end and the water outlet end of the water circulation mechanism 4 are both connected to the film spreading water tank 21.

[0034] In actual application, the heating component 22 performs water bath heating on the first exhibition area 211. After heating to a preset temperature range, the large tissue slices are placed in the first exhibition area 211. After reaching the set temperature, the first exhibition area 211 can make the large tissue slices unfold naturally, realizing preliminary exhibition. The water circulation mechanism 4 is started, driving the liquid in the exhibition water tank 21 to flow from the first exhibition area 211 to the second exhibition area 212. The water flow drives the large tissue slices to move from the first exhibition area 211 to the second exhibition area 212. The suction component 23 performs suction and exhibition on the tissue slices entering the second exhibition area 212 to achieve further exhibition, improve the exhibition quality, and reduce wrinkles. The scooping mechanism 3 is used to scoop up the tissue slices in the second exhibition area 212 through a glass slide to realize the exhibition and scooping of the tissue slices. By setting the heating component 22 of the first exhibition area 211 and the suction component 23 of the second exhibition area 212, a staged processing of large tissue slice exhibition slices is achieved. The heating of the first exhibition area 211 can flatten most of the wrinkles on the large tissue slices, and the suction of the second exhibition area 212 can further flatten the unflattened wrinkles on the large tissue slices, thereby reducing the wrinkles of the large tissue slices. In addition, the tissue slices are suctioned, and when the slices are scooped up through the slide, the moisture residue in the process of bonding the tissue slices and the slides can be reduced, thereby avoiding tissue displacement.

[0035] Furthermore, the water inlet end of the first expansion area 211 is connected to the water outlet end of the water circulation mechanism 4, the water outlet end of the first expansion area 211 is connected to the water inlet end of the second expansion area 212, the water outlet end of the second expansion area 212 is connected to the water inlet end of the water circulation mechanism 4, and the distance between the two sides of the second expansion area 212 gradually decreases from its water inlet end along the water outlet end.

[0036] In actual application, the water circulation mechanism 4 can guide the tissue slices to flow to the water outlet end of the second exhibition area 212. The spacing on both sides of the second exhibition area 212 gradually decreases from its water inlet end to the water outlet end. The setting of the reduction flow channel of the second exhibition area 212 further guides the tissue slices to flow to the slice scooping station, so that the slice scooping mechanism 3 can scoop the slices.

[0037] Further, if Figure 2 As shown, the suction component 23 includes: multiple suction cups 231, and the multiple suction cups 231 are divided into a first suction group and a second suction group. The first suction group is arranged on one side of the second exhibition area 212, and the second suction group is arranged on the other side of the second exhibition area 212. The first suction group and the second suction group are symmetrically arranged, and the suction ends of the first suction group and the second suction group are arranged toward the inner side of the first exhibition area 211.

[0038] In actual application, the water surface of the second exhibition area 212 is lower than the suction component 23, and the suction cups 231 of the first suction group and the suction cups 231 of the second suction group are evenly arranged. The suction cups 231 of the first suction group and the suction cups 231 of the second suction group are arranged one by one, that is, through the arrangement of the suction cups 231 on both sides, a mirror-symmetrical negative pressure field is formed, eliminating the lateral pressure difference caused by unilateral suction, ensuring that the tissue slices are evenly stressed, and facilitating the unfolding of the wrinkles of the tissue slices.

[0039] Furthermore, the suction cups 231 of the first air suction group are arranged horizontally along one side of the second expansion piece, and the height of the suction cup 231 at the water outlet end is lower as it is closer to the second expansion piece area 212; the suction cups 231 of the second air suction group are arranged horizontally along the other side of the second expansion piece, and the height of the suction cup 231 at the water outlet end is lower as it is closer to the second expansion piece area 212.

[0040] In actual application, the height of the suction cup 231 of the first suction group and the height of the suction cup 231 of the second suction group gradually decrease from the water inlet end to the water outlet end, forming a stable axial pressure gradient, so that the suction cup 231 close to the water outlet end has a greater suction force on the tissue slice, and a higher negative pressure is applied. In the process of picking up the tissue slice through the slide, the interface between the tissue slice and the slide is tightly fitted. The surface of the tissue slice is coated with paraffin. The negative pressure environment promotes the full spreading of the paraffin melt on the surface of the slide. The close contact of the interface makes the stress distribution uniform, and the negative pressure airflow takes away the residual heat, so that the paraffin forms a temperature gradient from the water inlet end to the water outlet end, and the solidification rate difference is reduced.

[0041] Further, if Figure 2 As shown, the heating component 22 includes: a first heating tube 221 and a first temperature controller. The first heating tube 221 is arranged in a serpentine shape at the bottom of the first exhibition area 211, and the first temperature controller is arranged on the side wall of the first exhibition area 211. The first temperature controller is connected to the first heating tube 221 through a wire.

[0042] In actual application, the serpentine arrangement of the first heating tube 221 can improve the coverage density of the heating area. After adding liquid to the expansion water tank, the probe of the first temperature controller is close to the liquid surface of the first expansion area 211 and is located below the liquid surface of the first expansion area 211. The temperature controller probe is immersed below the liquid surface to directly sense the interface temperature, avoiding measurement deviation caused by liquid surface evaporation. The working state of the first heating tube 221 is controlled by the first temperature controller, so that the liquid surface temperature of the first expansion area 211 is maintained in a preset temperature range. The preset temperature range can be set to 60-65°C, thereby realizing the control of water temperature and improving the expansion effect of tissue sections.

[0043] Further, if Figure 2 As shown, a water inlet is provided at the water inlet end of the expansion sheet water tank 21, and a water outlet is provided at the water outlet end of the expansion sheet water tank 21. The water circulation mechanism 4 includes: an inlet pipe 41, an outlet pipe 42 and a water pump 43; the water inlet end of the water pump 43 is connected to the water outlet of the expansion sheet water tank 21 through the inlet pipe 41, and the water outlet end of the water pump 43 is connected to the water inlet of the expansion sheet water tank 21 through the outlet pipe 42. A filter component 24 is provided at the water inlet and / or the water outlet of the expansion sheet water tank 21.

[0044] In practice, the water flow in the slide display water tank 21 is controlled by activating the water pump 43, so that the water flows from the first slide display area 211 to the second slide display area 212. By providing a filter assembly 24 at the water inlet and / or outlet of the slide display water tank 21, particulate matter (such as mineral deposits and tissue debris) in the water can be filtered out, preventing pipe blockage or scratching of tissue sections, reducing microbial growth and biofilm formation, and avoiding contamination of tissue sections. Furthermore, the water flow is uniform, turbulence is reduced, and the flatness of the slide display is improved.

[0045] Further, if Figure 3 As shown, the filter assembly 24 includes: a mounting frame 241 and a sponge filter 242 ; the mounting frame 241 is detachably connected to the water inlet and / or outlet of the expansion tank 21 , and the sponge filter 242 is arranged in the mounting frame 241 .

[0046] In actual application, the outer wall of the mounting frame 241 is provided with an external thread, and the inner wall of the water inlet and / or water outlet is provided with an internal thread. The mounting frame 241 is threadedly connected to the water inlet and / or water outlet to realize the detachable connection between the filter assembly 24 and the expansion water tank 21, which is convenient for timely cleaning and replacement of the sponge filter 242, reducing operation and maintenance costs. By adopting the sponge filter 242, the porous structure of the sponge can grade and intercept particles of different particle sizes (such as mineral impurities, tissue debris), realize multi-stage filtration, improve filtration efficiency, absorb water flow impact, suppress turbulence, and reduce the risk of slice wrinkles.

[0047] Further, if Figure 1 and Figure 4 As shown, the body 1 is provided with a slice toasting mechanism 5, which includes: a slice toasting box 51, a conveyor belt assembly 52 and a first driving member 53; the slice toasting box 51 is provided with a conveying groove 511, and a second heating tube 512 is provided on the inner wall of the conveying groove 511. The conveyor belt assembly 52 is rotatably set on the conveying groove 511, and the first driving member 53 is set on the slice toasting box 51, and the first driving member 53 and the conveyor belt assembly 52 are transmission-connected.

[0048] In actual application, the transmission belt assembly includes: a conveyor belt 521, a first transmission shaft 522, and a second transmission shaft 523. The first transmission shaft 522 is rotatably disposed at one end of the conveyor trough 511, and the second transmission shaft 523 is rotatably disposed at the other end of the conveyor trough 511. The first driving member 53 is a motor, and the output end of the motor is in transmission connection with the first transmission shaft 522. The slice picking mechanism 3 conveys the tissue slices from the second display area 212 to the conveyor belt 521. The bottom and side walls of the conveyor trough 511 are both provided with second heating tubes 512. The second heating tubes 512 on the bottom and side walls of the conveyor trough 511 are arranged in a serpentine pattern to heat and bake the tissue slices on the conveyor belt 521, eliminate floating water residue during display, and melt the paraffin on the slide to form a continuous matrix.

[0049] Further, if Figure 5 As shown, a limiting groove 11 is provided on the body 1, and the limiting groove 11 is provided near the output end of the conveyor belt assembly 52. The top of the limiting groove 11 and the side near the conveyor belt assembly 52 are open, and a storage box 6 is inserted into the limiting groove 11. A second driving member 7 is provided on the body 1, and the output end of the second driving member 7 is in contact with the storage box 6.

[0050] In actual application, by configuring the storage box 6 and the second drive member 7, which can be a pneumatic cylinder, the opening of the storage box 6 faces the conveyor belt 521, which conveys the tissue slices to the storage box 6. The second drive member 7 drives the storage box 6 to move up and down so that the tissue slices on the conveyor belt 521 can enter the empty space in the storage box 6 and be blocked by the tissue slices already in the storage box 6. The storage box 6 is limited by the provision of the limiting groove 11 to prevent it from shifting during the lifting process.

[0051] Further, if Figure 6As shown, the storage box 6 has a first inner wall and a second inner wall arranged opposite to each other, a plurality of first partitions 61 are provided on the first inner wall, and a plurality of second partitions 62 are provided on the second inner wall, the plurality of first partitions 61 and the plurality of second partitions 62 correspond one to one, and the gap between adjacent first partitions 61 is greater than the sum of the thickness of the slide and the tissue section.

[0052] In actual applications, since the multiple first partitions 61 and the multiple second partitions 62 correspond one to one, the gap between adjacent second partitions 62 is also greater than the sum of the thicknesses of the glass slides and the tissue slices. Through the arrangement of the multiple first partitions 61 and the corresponding multiple second partitions 62, each tissue slice in the storage box 6 can be supported individually, so that adjacent tissue slices are separated and mutual squeezing between the tissue slices is prevented.

[0053] Further, if Figure 1 As shown, the slide scooping mechanism 3 includes: a slide box 31 and a multi-axis manipulator 32; the slide box 31 and the multi-axis manipulator 32 are both arranged on the body 1, and the slide box 31 and the multi-axis manipulator 32 are both located on one side of the slide display tank 21, and the slide box 31 and the multi-axis manipulator 32 are both arranged close to the second slide display area 212, and an industrial camera is provided at the end of the multi-axis manipulator 32.

[0054] In actual application, there are prevented from being multiple glass slides in the glass slide box 31, and the multi-axis manipulator 32 adopts a six-axis manipulator. The six-axis manipulator grabs the glass slide in the glass slide box 31, tilts the glass slide and slowly immerses it in the water in the second exhibition area 212. The six-axis manipulator first grabs the glass slide in the glass slide box 31, and then uses the industrial camera to collect the image information of the tissue slice at the slide catching station to facilitate identification and positioning, and then controls the glass slide to catch the tissue slice at the slide catching station to realize the catching of the tissue slice, and then transmits the glass slide and the tissue slice caught on it to the conveyor belt 521, and the baking box 51 bakes the tissue slices on the conveyor belt 521. After the baking is completed, the baked tissue slices are transported to the storage box 6.

[0055] When quoting drawing descriptions, new features that appear are described; in order to avoid repeated quoting of drawings which would result in a less concise description, features that have been described clearly will not be quoted from the drawings one by one.

[0056] The purpose of the above embodiments is to exemplify and deduce the technical solution of the present invention, and to fully describe the technical solution, purpose and effect of the present invention. Its purpose is to enable the public to have a more thorough and comprehensive understanding of the disclosed content of the present invention, and it does not limit the scope of protection of the present invention.

[0057] The above embodiments are not exhaustive and may include many other embodiments not listed above. Any replacements and improvements made without violating the concept of the present invention are within the scope of protection of the present invention.

Claims

1. Automatic film spreading and catching device, characterized by: include: The machine body, the film spreading mechanism, the film catching mechanism and the water circulation mechanism are all arranged on the machine body; The film spreading mechanism includes: a film spreading water tank, a heating component and an air suction component. The film spreading water tank is arranged on the machine body and is divided into a first film spreading area and a second film spreading area. The heating component is arranged in the first film spreading area, and the air suction component is arranged in the second film spreading area. The piece-picking mechanism is arranged near the second piece-expanding area, the water inlet end of the water circulation mechanism is arranged on the second piece-expanding area, the water outlet end of the water circulation mechanism is arranged on the first piece-expanding area, and the water inlet end and the water outlet end of the water circulation mechanism are both connected to the piece-expanding water tank.

2. The automatic film spreading and scooping device according to claim 1, characterized in that: The water inlet end of the first expansion area is connected to the water outlet end of the water circulation mechanism, the water outlet end of the first expansion area is connected to the water inlet end of the second expansion area, the water outlet end of the second expansion area is connected to the water inlet end of the water circulation mechanism, and the distance between the two sides of the second expansion area gradually decreases from its water inlet end to the water outlet end.

3. The automatic film spreading and scooping device according to claim 2, characterized in that: The suction assembly includes: multiple suction cups, the multiple suction cups are divided into a first suction group and a second suction group, the first suction group is arranged on one side of the second exhibition area, the second suction group is arranged on the other side of the second exhibition area, the first suction group and the second suction group are arranged symmetrically, and the suction ends of the first suction group and the second suction group are arranged toward the inner side of the first exhibition area.

4. The automatic film spreading and scooping device according to claim 3, characterized in that: The suction cups of the first suction group are arranged horizontally along one side of the second expansion piece, and the height of the suction cup at the water outlet end is lower as it is closer to the second expansion piece area; the suction cups of the second suction group are arranged horizontally along the other side of the second expansion piece, and the height of the suction cup at the water outlet end is lower as it is closer to the second expansion piece area.

5. The automatic film spreading and scooping device according to claim 1, characterized in that: The heating assembly includes: a first heating tube and a first temperature controller. The first heating tube is arranged in a serpentine shape at the bottom of the first exhibition area. The first temperature controller is arranged on the side wall of the first exhibition area. The first temperature controller is connected to the first heating tube through a wire.

6. The automatic film spreading and scooping device according to claim 1, characterized in that: The water inlet end of the expansion sheet water tank is provided with a water inlet, and the water outlet end of the expansion sheet water tank is provided with a water outlet. The water circulation mechanism includes: an inlet pipe, an outlet pipe and a water pump; the water inlet end of the water pump is connected to the water outlet of the expansion sheet water tank through the inlet pipe, and the water outlet end of the water pump is connected to the water inlet of the expansion sheet water tank through the outlet pipe. A filter component is provided at the water inlet and / or the water outlet of the expansion sheet water tank.

7. The automatic film spreading and scooping device according to claim 6, characterized in that: The filter assembly includes: a mounting frame and a sponge filter; the mounting frame is detachably connected to the water inlet and / or the water outlet of the water tank, and the sponge filter is arranged in the mounting frame.

8. The automatic film spreading and scooping device according to claim 1, characterized in that: The machine body is provided with a slice baking mechanism, which includes: a slice baking box, a conveyor belt assembly and a first driving member; the slice baking box is provided with a conveying trough, the inner wall of which is provided with a second heating tube, the conveyor belt assembly is rotatably provided on the conveying trough, the first driving member is provided on the slice baking box, and the first driving member and the conveyor belt assembly are transmission-connected.

9. The automatic film spreading and scooping device according to claim 8, characterized in that: A limiting groove is provided on the machine body, and the limiting groove is provided near the output end of the conveyor belt assembly. The top of the limiting groove has a first opening, and the side of the limiting groove close to the conveyor belt assembly has a second opening. A storage box is slidably provided in the limiting groove, and a second driving member is provided on the machine body, and the output end of the second driving member abuts against the storage box.

10. The automatic film spreading and scooping device according to claim 9, characterized in that: The storage box has a first inner wall and a second inner wall arranged opposite to each other, a plurality of first partitions are arranged on the first inner wall, and a plurality of second partitions are arranged on the second inner wall. The plurality of first partitions and the plurality of second partitions correspond one to one, and the gap between adjacent first partitions is greater than the sum of the thicknesses of the slides and the tissue sections.

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