Vibrating screen for screening activated carbon samples

Abstract

The invention relates to the technical field of vibrating screens, in particular to a vibrating screen for activated carbon sample screening, which comprises a vibrating base, mounting carrier plates are symmetrically and fixedly arranged at the two ends of the vibrating base, positioning support columns are symmetrically and fixedly arranged on the two sides of the mounting carrier plates, and the vibrating screen for activated carbon sample screening further comprises a scrap receiving assembly, the chipping receiving assemblies are arranged on the two sides of the vibration base and used for receiving chippings falling in the vibration process. According to the invention, the two sides of the vibration base are respectively provided with the bearing fitting discs, and the two bearing fitting discs are closed together to completely surround the vibration base, so that scraps and small-size activated carbon can fall into the bearing fitting discs in the vibration process and are prevented from being scattered on a working site, and further, the cleaning work of workers is omitted, so that the working efficiency is improved, and the working efficiency is improved. The device is very convenient, and the working intensity of workers is greatly reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vibrating screen, in particular to a vibrating screen for screening activated carbon samples. BACKGROUND

[0002] In the production process of activated carbon, in order to ensure the production quality of activated carbon, a certain amount of activated carbon is taken as a sample for screening, and the debris and some small-sized activated carbon contained in the activated carbon are screened out, so as to obtain better activated carbon for detecting the quality of activated carbon. When screening activated carbon, a vibrating screen is needed, and the vibrating screen for screening activated carbon in the prior art has a simple structure and is not provided with a receiving mechanism, so that the debris and small-sized activated carbon screened out will directly fall on the working site at the same time of screening, causing a great post-cleaning intensity to the workers and being very inconvenient to use. SUMMARY

[0003] The present application aims to provide a vibrating screen for screening activated carbon samples to solve the problems in the background art.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical scheme: A vibrating screen for screening activated carbon samples, comprising a vibrating base, two ends of the vibrating base are symmetrically fixed with mounting plates, and both sides of the mounting plates are symmetrically fixed with positioning support columns; The vibrating screen for screening activated carbon samples further comprises a debris receiving assembly, which is arranged on both sides of the vibrating base and receives the falling debris during the vibrating process; Both ends of the lower side of the debris receiving assembly are respectively provided with support assemblies, which are used for supporting the debris receiving assembly, one end of the debris receiving assembly is provided with a locking assembly, which cooperates with the support assembly to lock the debris receiving assembly, and the support assembly is provided with a connecting driving piece, and the connecting driving piece is provided with a cooperating linkage; The debris receiving assembly is further provided with a movable debris blocking mechanism, which is connected with the connecting driving piece, and the connecting driving piece drives the movable debris blocking mechanism to move up and down to block the debris; The support assembly is further provided with a negative pressure adsorption mechanism, which is connected with the cooperating linkage, and the cooperating linkage drives the negative pressure adsorption mechanism to move to form a negative pressure to fix the support assembly.

[0005] Preferably, the debris receiving assembly is a load-adhering disc, which cooperates with the vibrating base when receiving the debris, and the load-adhering discs on both sides of the vibrating base are closed together; The disc wall bearing the fitting disc is provided with a movable receiving groove, and the two ends of the disc bearing the fitting disc are symmetrically provided with an outwardly protruding bearing plate, which is fixedly provided with a supporting protrusion, and the supporting protrusion is provided with a mounting hole; The lower end of the outwardly protruding bearing plate is fixedly provided with a lower protruding bearing plate, which is fixedly provided with a supporting guide rail, and the outwardly protruding bearing plate is also fixedly provided with a connecting guide rod, which is sleeved with a connecting spring.

[0006] Preferably, the connecting guide rod at one end of the bearing fitting disc is fixedly provided with a supporting block, the supporting block is provided with a movable through hole, and the upper and lower ends of the supporting block are symmetrically fixedly provided with a matching protruding plate.

[0007] Preferably, the locking assembly is mounted on the supporting block, and the locking assembly is a release movable plate, which is fixedly provided with a reset elastic strip, and the other end of the reset elastic strip is fixed on the supporting block. The release movable plate is also fixedly provided with a movable plug-in rod, which is plugged into the movable through hole, and the end of the movable plug-in rod away from the release movable plate is fixedly provided with a matching locking plate, which is provided with a locking channel.

[0008] Preferably, the supporting assembly is a supporting table, the supporting table is provided with a positioning sleeve hole, the positioning sleeve hole is plugged with a positioning supporting column, and the supporting table beside the positioning sleeve hole is also provided with an adsorption locking cavity, and the cavity bottom of the adsorption locking cavity is provided with a plug-in through hole. The supporting table is fixedly provided with a bearing connecting disc, the bearing connecting disc is provided with a connecting guide hole, the connecting guide hole is plugged with a connecting guide rod, the bearing connecting disc at one end of the supporting block provided on the bearing fitting disc is fixedly provided with a locking protruding frame, and the locking protruding frame is mounted with a rotating fitting wheel. The lower end of the supporting table is also fixedly provided with a triangular chassis, which is provided with a limiting channel and a driving slide.

[0009] Preferably, the connecting driving piece is a connecting driving strip, one end of the connecting driving strip is fixedly provided with a mounting connecting block, the mounting connecting block is fixedly provided with a driving rack, and the mounting connecting block is provided with a matching sliding hole, and the supporting guide rail is plugged into the matching sliding hole. The connecting driving strip is provided with a connecting channel, and the lower end of the connecting driving strip is fixedly provided with a driving plug-in column, which is plugged into the driving slide.

[0010] Preferably, the movable chip blocking mechanism is a special-shaped movable plate, which is plugged into the movable receiving groove, and the two ends of the special-shaped movable plate are symmetrically fixedly provided with a supporting strip, which is provided with a threaded through hole. The threaded through hole is inserted with a threaded matching rod, the threaded matching rod is sleeved with a matching bearing, the matching bearing is installed in an installation load hole, and the lower end of the threaded matching rod is fixedly provided with a connecting gear, and the connecting gear is engaged with a driving gear rack.

[0011] Preferably, the matching linkage assembly is a movable connecting plate, one end of the movable connecting plate is fixedly provided with a connecting column, the connecting column is inserted into a connecting channel, and a limiting plate is fixedly arranged on the connecting column.

[0012] Preferably, the other end of the movable connecting plate is fixedly provided with a limiting insertion block at the lower end, the limiting insertion block is inserted into a limiting channel, and a matching articulated connecting rod is hinged to the movable connecting plate.

[0013] Preferably, the movable connecting plate is hinged with the matching articulated connecting rod, a connecting matching rod is fixedly arranged on the movable connecting plate, the connecting matching rod is inserted into the adsorption lock cavity through the insertion hole, a matching cavity plate is fixedly arranged on the connecting matching rod, and the matching cavity plate is inserted into the adsorption lock cavity.

[0014] Compared with the prior art, the present application has the following advantages: 1. Two bearing fitting discs are respectively installed on the two sides of the vibration base, and the two bearing fitting discs are closed together to completely surround the vibration base, so that the debris and small-sized activated carbon can fall into the bearing fitting disc during the vibration process, avoiding spilling on the work site, thereby saving the cleaning work of the workers, which is very convenient and greatly reduces the working intensity of the workers.

[0015] 2. The bearing fitting disc is very convenient to install and disassemble, and the workers can disassemble it to transfer and clean the collected debris and activated carbon in the inside, and it can be used continuously. When installing, the positioning of the support platform is realized through the cooperation of the positioning support column and the positioning sleeve hole, and then the bearing fitting disc is pushed towards the vibration base to make it fit the vibration base while the two bearing fitting discs are closed together. With the movement of the bearing fitting disc, the movable connecting plate is moved, and the matching cavity plate is moved to form a stable negative pressure in the adsorption lock cavity, so that the support platform is firmly fixed on the vibration base, and the automatic locking of the bearing fitting disc is realized, ensuring the stability during the vibration process.

[0016] 3. In addition, the bearing fitting disc will also drive the special-shaped movable plate to move upward during the movement of the bearing fitting disc, and part of the protrusion is outside the movable storage slot. Therefore, under the action of the special-shaped movable plate, the blocking of the debris and activated carbon can be better, so that they can be smoothly collected in the bearing fitting disc. When it is necessary to disassemble the bearing fitting disc, only the release movable plate needs to be pushed to make the bearing fitting disc in the unlocked state, so that it is reset under the action of the connecting spring, and the release of the supporting platform is realized at the same time. The operation is simple and fast. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 First perspective view of the vibration base assembly.

[0018] Figure 2 Second perspective view of the vibration base assembly.

[0019] Figure 3 Structure diagram of the vibration base.

[0020] Figure 4 First perspective view of the bearing fitting disc assembly.

[0021] Figure 5 Second perspective view of the bearing fitting disc assembly. Figure 4 Enlarged view of A in the middle.

[0022] Figure 6 Structure diagram of the bearing fitting disc.

[0023] Figure 7 Structure diagram of the bearing fitting disc.

[0024] Figure 8 Structure diagram of the supporting platform.

[0025] Figure 9 Assembly diagram of the driving plate strip and the special-shaped movable plate.

[0026] Figure 10 Assembly diagram of the driving plate strip, the movable connecting plate and the movable connecting plate.

[0027] In the figure: 1, vibration base; 11, mounting carrier plate; 12, positioning support column; 2, bearing fitting disc; 20, falling slope; 21, movable storage groove; 22, outer convex bearing plate; 23, support bump; 24, mounting load hole; 25, lower convex bearing plate; 251, support guide rail; 26, connecting guide rod; 261, connecting spring; 27, support load block; 28, movable through hole; 29, matching convex plate; 3, release movable plate; 31, reset elastic strip; 32, movable plug-in rod; 33, matching locking plate; 34, locking channel; 4, support loading platform; 41, positioning sleeve hole; 42, adsorption locking cavity; 43, plug-in through hole; 44, bearing connecting disc; 45, connecting guide hole; 46, locking convex frame; 47, rotating fitting wheel; 48, triangular chassis; 481, limiting channel; 482, driving slide; 5, link driving plate strip; 51, mounting connecting block; 52, driving rack; 53, matching sliding hole; 54, connecting channel; 55, driving plug-in column; 6, special-shaped movable plate; 61, support plate strip; 62, threaded through hole; 63, threaded matching rod; 64, matching bearing; 65, connecting gear; 7, movable link plate; 71, connecting column; 72, limiting plate; 73, limiting plug-in block; 74, matching hinged connecting rod; 8, movable connecting plate; 81, connecting matching rod; 82, matching cavity plate. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0029] The present application provides a technical solution: A kind of active carbon sample screening vibration screen, including vibration base 1, the both ends of vibration base 1 are symmetrically fixed with mounting carrier plate 11, the both sides of mounting carrier plate 11 are symmetrically fixed with positioning support column 12, active carbon sample screening vibration screen further includes debris receiving assembly, debris receiving assembly is set in the both sides of vibration base 1, receives the debris falling in vibration process, such as Figure 1 As shown, and Figure 1 Only one debris receiving assembly and vibration base 1 assembly are shown in

[0030] The lower ends of the debris receiving assembly are respectively provided with support assemblies for supporting the debris receiving assembly. One end of the debris receiving assembly is provided with a locking assembly which cooperates with the support assembly to lock the debris receiving assembly. The support assembly is provided with a connection driving member, and the connection driving member is provided with a cooperation linkage. The debris receiving assembly is also provided with a movable debris blocking mechanism which is connected to the connection driving member. The connection driving member drives the movable debris blocking mechanism to move up and down to block the debris, as shown in Figure 2

[0031] The support assembly is also provided with a negative pressure adsorption mechanism which is connected to the cooperation linkage. The cooperation linkage drives the negative pressure adsorption mechanism to move to form a negative pressure to fix the support assembly.

[0032] The debris receiving assembly is a bearing and fitting disc 2 which cooperates with the vibration base 1 when receiving debris. The bearing and fitting discs 2 on both sides of the vibration base 1 are closed together.

[0033] The ends of the bearing and fitting disc 2 are respectively provided with a falling slope 20. The disc wall of the bearing and fitting disc 2 is provided with a movable storage groove 21. The ends of the bearing and fitting disc 2 are symmetrically fixed with an outer convex bearing plate 22. The outer convex bearing plate 22 is fixed with a support protrusion 23. The support protrusion 23 is provided with a mounting bearing hole 24. The lower end of the outer convex bearing plate 22 is fixed with a lower convex bearing plate 25. The lower convex bearing plate 25 is fixed with a support guide rail 251. The outer convex bearing plate 22 is also fixed with a connection guide rod 26. The connection guide rod 26 is sleeved with a connection spring 261, as shown in Figure 4

[0034] The connection guide rod 26 at one end of the bearing and fitting disc 2 is fixed with a support bearing block 27. The support bearing block 27 is provided with a movable through hole 28. The upper and lower ends of the support bearing block 27 are symmetrically fixed with a cooperation protruding plate 29, as shown in Figure 5

[0035] The locking assembly is installed on the support bearing block 27. The locking assembly is a release movable plate 3. The release movable plate 3 is fixed with a reset elastic strip 31. The other end of the reset elastic strip 31 is fixed on the support bearing block 27. The release movable plate 3 is also fixed with a movable plug-in rod 32 which is plugged into the movable through hole 28. The end of the movable plug-in rod 32 away from the release movable plate 3 is fixed with a cooperation locking plate 33. The cooperation locking plate 33 is provided with a locking channel 34.

[0036] ​​​The support assembly is a support platform 4, the support platform 4 is provided with a positioning sleeve hole 41, the positioning sleeve hole 41 is inserted with a positioning support column 12, and the support platform 4 is provided with an adsorption locking cavity 42 beside the positioning sleeve hole 41, the cavity bottom of the adsorption locking cavity 42 is provided with an insertion hole 43, and in addition, the support platform 4 is installed on the vibration base 1 and is in close contact with the mounting plate 11.

[0037] The support platform 4 is fixedly provided with a bearing connecting disc 44, the bearing connecting disc 44 is provided with a connecting guide hole 45, the connecting guide hole 45 is inserted with a connecting guide rod 26, the two ends of the connecting spring 261 are fixedly arranged on the bearing connecting disc 44 and the outer convex bearing plate 22 respectively, the bearing connecting disc 44 on one end of the support bearing block 27 provided on the bearing fitting disc 2 is fixedly provided with a locking protruding frame 46, the locking protruding frame 46 is installed with a rotating fitting wheel 47, the locking protruding frame 46 is inserted in the locking channel 34 when the locking protruding frame 46 realizes the fixation of the bearing fitting disc 2, and when the locking protruding frame 46 does not fix the bearing fitting disc 2, the rotating fitting wheel 47 is in contact with the matching locking plate 33, and at this time, the reset elastic strip 31 is in a stretched state, as shown in Figure 5

[0038] The lower end of the support platform 4 is also fixedly provided with a triangular chassis 48, the triangular chassis 48 is provided with a limiting channel 481 and a driving slide 482.

[0039] The connecting driving piece is a connecting driving plate strip 5, one end of the connecting driving plate strip 5 is fixedly provided with a mounting connecting block 51, the mounting connecting block 51 is fixedly provided with a driving rack 52, and the mounting connecting block 51 is provided with a matching sliding hole 53, the supporting guide rail 251 is inserted into the matching sliding hole 53, the connecting driving plate strip 5 is provided with a connecting channel 54, and the lower end of the connecting driving plate strip 5 is fixedly provided with a driving insertion column 55, the driving insertion column 55 is inserted into the driving slide 482, and the driving insertion column 55 is in contact with the inner wall of the driving slide 482.

[0040] The movable chip blocking mechanism is a special-shaped movable plate 6, the special-shaped movable plate 6 is inserted into the movable storage groove 21, and the two ends of the special-shaped movable plate 6 are symmetrically fixedly provided with a supporting plate strip 61, the supporting plate strip 61 is provided with a threaded hole 62, the threaded hole 62 is threadedly inserted with a threaded matching rod 63, the threaded matching rod 63 is sleeved with a matching bearing 64, the matching bearing 64 is installed in the mounting hole 24, and the lower end of the threaded matching rod 63 is fixedly provided with a connecting gear 65, the connecting gear 65 is engaged with the driving rack 52, as shown in Figure 9

[0041] ​​The matching linkage assembly is a movable connecting plate 7, one end of the movable connecting plate 7 is fixedly provided with a connecting column 71, the connecting column 71 is inserted in the connecting channel 54, and a limiting plate 72 is fixedly arranged on the connecting column 71 and in contact with the inner wall of the connecting channel 54.

[0042] The other end of the movable connecting plate 7 is fixedly provided with a limiting plug block 73, the limiting plug block 73 is inserted in the limiting channel 481 and in contact with the inner wall of the limiting channel 481, and the movable connecting plate 7 is hingedly connected with a matching hinged connecting rod 74.

[0043] The negative pressure adsorption mechanism is a movable connecting plate 8, the movable connecting plate 8 is hingedly connected with the matching hinged connecting rod 74, and the movable connecting plate 8 is fixedly provided with a connecting matching rod 81, the connecting matching rod 81 is inserted in the adsorption lock cavity 42 through the plug channel 43, and the connecting matching rod 81 is fixedly provided with a matching cavity plate 82, the matching cavity plate 82 is inserted in the adsorption lock cavity 42, as shown in Figure 10 .

[0044] In the process of installing the bearing and fitting disc 2, the positioning sleeve hole 41 is sleeved on the positioning support column 12 to realize the positioning of the support platform 4, and then the bearing and fitting disc 2 is pushed to the direction of the vibration base 1 to make it contact with the vibration base 1. In this process, the movement of the bearing and fitting disc 2 will drive the connecting driving board 5 to move to the direction of the support platform 4 under the action of the driving slide 482. With the movement of the connecting driving board 5, the connecting gear 65 will rotate under the action of the driving rack 52, and then the special-shaped movable plate 6 will move upward under the action of the thread, and part of it will protrude above the movable storage groove 21. In this way, the debris and activated carbon can be better blocked, so that they can fall smoothly into the bearing and fitting disc 2. With the movement of the connecting driving board 5, the movable connecting plate 7 will also move to the direction of the support platform 4, and with the movement of the movable connecting plate 7, the movable connecting plate 8 will be pushed to move away from the support platform 4 under the action of the cooperating hinge connecting rod 74. In this way, with the movement of the movable connecting plate 8, the cooperating cavity plate 82 will also move into the adsorption lock cavity 42. Since the support platform 4 is closely fitted with the mounting plate 11, the movement of the cooperating cavity plate 82 will form a negative pressure in the adsorption lock cavity 42, so that the support platform 4 can be firmly fixed on the mounting plate 11. In addition, the bearing and fitting disc 2 will also move synchronously with the cooperating locking plate 33 during the movement. When the locking channel 34 on the cooperating locking plate 33 is aligned with the locking protrusion 46, the cooperating locking plate 33 will be moved to the direction of the bearing connecting disc 44 under the action of the reset elastic strip 31, so that the locking protrusion 46 is inserted into the locking channel 34 to realize the fixation of the bearing and fitting disc 2, and ensure the stability during vibration. When the debris in the bearing and fitting disc 2 needs to be cleaned, the release movable plate 3 is pushed to the direction of the support load block 27, so that the locking protrusion 46 exits the locking channel 34 to realize the unlocking of the bearing and fitting disc 2, so that it is reset under the action of the connecting spring 261. With the reset of the bearing and fitting disc 2, the negative pressure in the adsorption lock cavity 42 disappears, so that the support platform 4 is also in the unlocked state, and it can be quickly taken down, which is very convenient to use.

[0045] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A vibratory screen for screening activated carbon samples, comprising a vibrating base, characterised in that: The two ends of the vibrating base are symmetrically provided with mounting carrier plates, and the two sides of the mounting carrier plates are symmetrically provided with positioning support columns; The active carbon sample screening vibrating screen further comprises a debris receiving assembly, which is arranged on the two sides of the vibrating base and receives the falling debris during the vibrating process; The lower ends of the debris receiving assembly are respectively provided with support assemblies for supporting the debris receiving assembly, one end of the debris receiving assembly is provided with a locking assembly, the locking assembly is matched with the support assembly to lock the debris receiving assembly, the support assembly is provided with a connecting driving member, and the connecting driving member is provided with a matched linkage member; The debris receiving assembly is further provided with a movable debris blocking mechanism, which is connected with the connecting driving member, and the connecting driving member drives the movable debris blocking mechanism to move up and down to block the debris; The support assembly is further provided with a negative pressure adsorption mechanism, which is connected with the matched linkage member, and the matched linkage member drives the negative pressure adsorption mechanism to move to form negative pressure to fix the support assembly.

2. The vibratory screen for screening activated carbon samples according to claim 1, characterized in that: The debris receiving assembly is a load-adhering disc, which is matched with the vibrating base when receiving the debris, and the load-adhering discs on the two sides of the vibrating base are closed together; An active receiving groove is formed in the disc wall of the load-adhering disc, and the two ends of the load-adhering disc are symmetrically provided with outer convex load plates, the outer convex load plates are fixedly provided with support protrusions, and the support protrusions are provided with mounting load holes; The lower end of the outer convex load plate is fixedly provided with a lower convex load plate, the lower convex load plate is fixedly provided with a support guide rail, and the outer convex load plate is further fixedly provided with a connecting guide rod, and the connecting guide rod is sleeved with a connecting spring.

3. A vibratory screen for screening activated carbon samples as claimed in claim 2, wherein: A support load block is fixedly arranged on the connecting guide rod at one end of the load-adhering disc, the support load block is provided with an active through hole, and the upper and lower ends of the support load block are symmetrically provided with matched convex plates.

4. A vibratory screen for screening activated carbon samples as claimed in claim 3, wherein: The locking assembly is arranged on the support load block, and the locking assembly is a release movable plate, the release movable plate is fixedly provided with a reset elastic strip, and the other end of the reset elastic strip is fixed on the support load block; The release movable plate is further fixedly provided with an active plug-in rod, the active plug-in rod is plugged in the active through hole, and the end of the active plug-in rod away from the release movable plate is fixedly provided with a matched locking plate, and the matched locking plate is provided with a locking channel.

5. A vibratory screen for screening activated carbon samples as claimed in claim 4, wherein: The support assembly is a support platform, the support platform is provided with a positioning sleeve hole, the positioning support column is plugged in the positioning sleeve hole, and the support platform beside the positioning sleeve hole is further provided with an adsorption locking cavity, and the cavity bottom of the adsorption locking cavity is provided with a plug-in through hole; The support platform is fixedly provided with a load connecting disc, the load connecting disc is provided with a connecting guide hole, the connecting guide hole is plugged in the connecting guide rod, the load connecting disc at one end of the support load block of the load-adhering disc is fixedly provided with a locking convex frame, and the locking convex frame is arranged with a rotating adhering wheel; The lower end of the support platform is further fixedly provided with a triangular chassis, and the triangular chassis is provided with a limiting channel and a driving slide.

6. A vibratory screen for screening activated carbon samples as claimed in claim 5, wherein: The connecting driving part is a connecting driving board strip, one end of the connecting driving board strip is fixedly provided with a mounting connecting block, the mounting connecting block is fixedly provided with a driving rack, and a matching sliding hole is formed in the mounting connecting block, and a supporting guide rail rod is inserted into the matching sliding hole. A connecting channel is formed in the connecting driving board strip, and a driving insertion column is fixedly arranged at the lower end of the connecting driving board strip and is inserted into the driving sliding channel.

7. A vibratory screen for screening activated carbon samples as claimed in claim 6, wherein: The movable chip blocking mechanism is a special-shaped movable plate, the special-shaped movable plate is inserted into the movable receiving groove, and symmetrical supporting strips are fixedly arranged at both ends of the special-shaped movable plate, and threaded through holes are formed in the supporting strips. Threaded cooperating rods are inserted into the threaded through holes, the threaded cooperating rods are sleeved with cooperating bearings, the cooperating bearings are mounted in the mounting bearing holes, and connecting gears are fixedly arranged at the lower ends of the threaded cooperating rods.

8. A vibratory screen for screening activated carbon samples as claimed in claim 7, wherein: The cooperating linkage assembly is a movable connecting plate, one end of the movable connecting plate is fixedly provided with a connecting column body, the connecting column body is inserted into the connecting channel, and a limiting plate block is fixedly arranged on the connecting column body.

9. A vibratory screen for screening activated carbon samples as claimed in claim 8, wherein: A limiting insertion block is fixedly arranged at the other end of the movable connecting plate, the limiting insertion block is inserted into the limiting channel, and a cooperating hinged connecting rod is hinged to the movable connecting plate.

10. A vibratory screen for screening activated carbon samples as defined in claim 9, wherein: The negative pressure adsorption mechanism is a movable connecting plate, the movable connecting plate is hinged to the cooperating hinged connecting rod, a connecting cooperating rod is fixedly arranged on the movable connecting plate, the connecting cooperating rod is inserted into the adsorption lock cavity through the insertion through hole, a cooperating cavity plate is fixedly arranged on the connecting cooperating rod, and the cooperating cavity plate is inserted into the adsorption lock cavity.

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