Multi-purpose tobacco workbench

Abstract

The present invention relates to the technical field of tobacco evaluation, and in particular to a multi-purpose tobacco workbench, comprising a workbench, which is configured to be movable and fixed on the ground, and also comprises a lifting enclosure to form an independent space supporting tobacco evaluation; and also comprises a smoking box configured to be liftable to form a container supporting the collection of smoke; the smoking box comprises a grid cross bar of a cylindrical structure, the grid cross bar is rotatably connected to both sides of an air intake grille, and a brush roller is arranged in the smoking box to form a structure supporting the cleaning of the surface of the grid cross bar; the problem in the prior art that when tobacco industry technicians are concentrated in the same room for training and assessment, the workbench cannot simultaneously meet the requirements of facilitating the technicians to see the podium and screen and preventing mutual interference; the workbench is inconvenient to move; and the smoke remains at the mouth of a ventilation duct and on the surface of the grille affecting tobacco evaluation is solved, and the problem has good prospects in the technical field of tobacco evaluation.

Description

Technical Field

[0001] The invention relates to the technical field of tobacco evaluation, in particular to a multi-purpose tobacco workbench. Background Art

[0002] The tobacco industry requires assessment technicians to make quality assessments on tobacco raw materials and tobacco products through visual, olfactory and taste technical appraisals. When conducting visual tobacco assessments, the tobacco raw materials need to be spread out on a workbench to observe the color, veins, etc. of the tobacco raw materials; when conducting olfactory and taste tobacco assessments, tobacco products need to be evaluated and identified, and the smoke generated needs to be discharged to the outside in a timely manner.

[0003] Since it is costly to build separate training rooms and assessment rooms, training and assessment are usually conducted in the same room, but this has the following problems:

[0004] 1. During skills training, all technical personnel need to see the podium and screen;

[0005] Second, when conducting skill assessments, since multiple technicians are conducting the assessments in the same room, they are easily affected by the smoke produced by the tobacco smoke of other people, easily disturbed by the actions of others, and may even cheat by copying others;

[0006] 3. During skills training and skills assessment, the technicians and their workbenches are located in different locations, making it inconvenient to move the workbenches;

[0007] 4. When multiple people evaluate tobacco multiple times, some components in the produced smoke can remain in the air or on the surface of objects for a long time, especially at the mouth of ventilation ducts and the surface of grilles, and are not easily removed by suction devices. As a result, the evaluation technicians are affected by the retained smoke components, resulting in inaccurate tobacco evaluation results. Summary of the invention

[0008] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a multi-purpose tobacco workbench to solve the problems in the prior art that when tobacco industry technicians are concentrated in the same room for training and assessment, the workbench cannot simultaneously meet the requirements of facilitating the technicians to see the podium and the screen and preventing mutual interference; the workbench is inconvenient to move; and smoke remains at the mouth of the ventilation duct and on the surface of the grille, affecting tobacco evaluation.

[0009] The technical solution is:

[0010] A multi-purpose tobacco workbench, comprising a workbench of plate-like structure, the workbench is configured to be movable and fixed on the ground to form a platform supporting tobacco evaluation operations; the workbench is provided with four supporting feet on one side close to the ground and arranged opposite to each other in pairs along the length direction of the table body, each supporting foot is provided with a universal caster at one end close to the ground, and a connecting plate is provided between adjacent supporting feet;

[0011] It also includes a lifting enclosure plate configured to be slidably connected to a position of the connecting plate to form an independent space for supporting tobacco evaluation; the connecting plate includes a first connecting plate, a second connecting plate and a third connecting plate, the first connecting plate is configured to be fixedly connected between two supporting feet arranged along the length direction of the table body, the second connecting plate and the third connecting plate are configured to be respectively fixedly connected between two opposite supporting feet to form a box structure with an opening on one side; the lifting enclosure plate includes a first enclosure plate, a second enclosure plate and a third enclosure plate, the first enclosure plate is slidably connected to the first connecting plate, a slider is fixedly connected to the side of the first enclosure plate close to the first connecting plate, the first connecting plate is provided with a first sliding groove for the slider to pass through in the vertical direction, and the end of the slider away from the first enclosure plate is fixedly connected to a connecting cross bar;

[0012] The second enclosure plate is slidably connected to the second connecting plate, the second connecting plate is provided with a second sliding groove for the connecting cross bar to pass through in the vertical direction, and the end of the connecting cross bar close to the second enclosure plate is fixedly connected to the second enclosure plate; the third enclosure plate is slidably connected to the third connecting plate, the third connecting plate is provided with a third sliding groove for the connecting cross bar to pass through in the vertical direction, and the end of the connecting cross bar close to the third enclosure plate is fixedly connected to the third enclosure plate;

[0013] A vertically arranged rack is fixedly connected to the inner side of the first connecting plate; it also includes a drive motor, which is configured to be fixedly connected to the middle part of the connecting cross bar. A gear corresponding to the rack and meshing with the rack is provided on the rotating shaft of the drive motor, forming a drive device that supports and drives the connecting cross bar to move up and down.

[0014] It also includes a smoking box configured to be slidably connected to a position of the workbench to form a container that supports collecting smoke; a smoke inlet is provided on one side of the smoking box perpendicular to the workbench, an air intake grille is provided in the smoke inlet, the air intake grille includes a grid cross bar of a cylindrical structure, the grid cross bar is rotatably connected to both sides of the air intake grille, a brush roller is provided in the smoking box, the brush roller is rotatably connected to the inner walls of both sides of the smoking box to form a structure that supports cleaning the surface of the grid cross bar; a ventilation duct connected to the bottom of the smoking box is provided, the ventilation duct is provided with a suction device and is connected to the outside;

[0015] The workbench is provided with a through groove for placing a smoking box, the smoking box is movably connected in the through groove, and the bottom of the smoking box is provided with a driving device for lifting the smoking box to form a power to support the lifting of the smoking box.

[0016] Preferably, it also includes a first extension plate configured to be slidably connected to the two side edges of the second enclosure to form an isolation plate for further isolating the outer side of the second enclosure, and the horizontal edge of the second enclosure is provided with a fourth slide groove for placing the first extension plate, and the first extension plate is slidably connected in the fourth slide groove; it also includes a second extension plate configured to be slidably connected to the two side edges of the third enclosure to form an isolation plate for further isolating the outer side of the third enclosure, and the horizontal edge of the third enclosure is provided with a fifth slide groove for placing the second extension plate, and the second extension plate is slidably connected in the fifth slide groove.

[0017] Preferably, a sample delivery port for taking and delivering samples is provided on the first enclosure, and the sample delivery port is arranged in a rectangular shape.

[0018] Preferably, it also includes a cover plate configured to be slidably connected to the two side edges of the sample delivery port to form a structure that supports the opening and closing of the sample delivery port, and the upper and lower sides of the sample delivery port are provided with a sixth slide groove for placing the cover plate, and the cover plate is slidably connected in the sixth slide groove.

[0019] Preferably, a flange is extended in the horizontal direction on one side of the smoking box away from the workbench, so that after the smoking box is lowered to the limit position, the through groove is closed to form a flat surface.

[0020] Preferably, the driving device is a hydraulic rod, the free end of which is fixedly connected to the bottom of the smoking box, and there are two groups of hydraulic rods which are symmetrically arranged with the center line of the smoking box as the symmetry axis; a proximity switch is provided on the side of the workbench close to the ground, and the free end of the hydraulic rod is provided with an induction column used in conjunction with the proximity switch, forming a structure in which the hydraulic rod drives the smoking box to move to a position limited by the proximity switch and stops moving; it also includes a hydraulic rod lifting control switch, and each hydraulic rod is electrically connected to the hydraulic rod lifting control switch.

[0021] Preferably, a second drive motor is provided at the shaft end of the brush roller, and the second drive motor is electrically connected to a control switch.

[0022] Preferably, the surfaces of the workbench, the first enclosure, the second enclosure and the third enclosure are all set to be rough surfaces to form a surface layer that supports diffuse reflection of light.

[0023] The beneficial effects of the present invention are:

[0024] 1. The first, second and third panels of the present invention are set to rise or fall synchronously. When training is carried out, the first, second and third panels are lowered to the extreme position, which is convenient for operation demonstration and teaching viewing, so that all technicians can see the podium and the screen to prevent blocking of vision, and facilitate mutual communication and discussion and learning among technicians; when skill assessment is carried out, the first, second and third panels are raised to the extreme position and enclosed to form an independent space, so that each technician will not be affected by the smoke produced by other people's tobacco evaluation, and will not be disturbed by the actions of others; the first extension plate and the second extension plate are set to block the side of each independent small room to prevent the occurrence of cheating such as technicians copying others; multiple technicians can be trained and assessed in the same room, saving the cost of building training rooms and assessment rooms separately, and improving the efficiency of training and review of tobacco technicians;

[0025] 2. The arrangement of the lifting structure of the smoking box of the present invention enables the smoke exhaust function of the present invention when the smoking box extends out of the workbench, and provides the function of leveling the workbench when the smoking box descends to the bottom of the workbench, and isolates the smell of the smoking box at the same time; the arrangement of the smoking box, the smoke inlet, the air inlet grid, and the brush roller, when the brush roller rotates, cleans the surface of each grid cross bar, and removes the smoke residue on the surface of the grid cross bar. During the rotation of the brush roller, the bristles on the brush roller inevitably shake and rub against each other, so that the smoke residue cannot be adsorbed on the bristles, and is sucked out and discharged to the outside by the suction force generated by the external suction equipment, thereby cleaning the smoke residue components on the inner wall of the smoking box and the surface of the grid cross bar.

[0026] 3. When the tobacco industry gathers technical personnel in the same room for training and assessment, the present invention can meet the different requirements of training and assessment. When conducting skill training, the present invention can move each workbench to a position close to the podium or multimedia screen and close to each other through universal casters, so that the technical personnel can watch the lecturer's operation or the multimedia screen; when conducting skill assessment, each workbench is moved to a position far away from each other, and a standardized examination room is formed by combining the settings of the first enclosure, the second enclosure and the third enclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a front view of the present invention.

[0028] Figure 2 It is a cross-sectional view of a smoking box of the present invention.

[0029] Figure 3 It is a left side view of the present invention.

[0030] Figure 4 It is a rear view of the present invention.

[0031] Figure 5It is a right side view of the second extension plate of the present invention when it is pulled out.

[0032] Among them: 1. Workbench; 110. Support foot; 111. Universal caster; 121. First connecting plate; 122. Second connecting plate; 123. Third connecting plate; 124. First slide; 125. Second slide; 126. Third slide; 210. First enclosure; 211. Sample delivery port; 212. Cover plate; 220. Second enclosure; 221. First extension plate; 230. Third enclosure; 231. Second extension plate; 240. Connecting cross bar; 250. Rack; 260. Drive motor; 270. Gear; 3. Smoking box; 310. Smoke inlet; 320. Air intake grille; 321. Grid cross bar; 330. Brush roller; 340. Ventilation duct; 350. Flange; 360. Hydraulic rod. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] A multi-purpose tobacco workbench comprises a workbench 1 of a plate-like structure, wherein the workbench 1 is configured to be movable and fixed on the ground to form a platform supporting tobacco evaluation operations; four supporting legs 110 are arranged opposite to each other in pairs along the length direction of the table body on the side of the workbench 1 close to the ground, and each supporting leg 110 is provided with a universal caster 111 at one end close to the ground, and the universal caster 111 is a prior art and can be realized in products on the market.

[0035] A connecting plate is provided between adjacent supporting legs 110; the connecting plate also includes a lifting enclosure configured to be slidably connected to a position of the connecting plate to form an independent space for supporting tobacco evaluation; the connecting plate includes a first connecting plate 121, a second connecting plate 122 and a third connecting plate 123, the first connecting plate 121 is fixedly connected between two supporting legs 110 arranged along the length direction of the table body by screws, the second connecting plate 122 and the third connecting plate 123 are respectively fixedly connected between two opposite supporting legs 110 by screws to form a box structure with one side open; the lifting enclosure includes a first enclosure 210, a second enclosure 220 and a third enclosure 123. The enclosure 230, the first enclosure 210 is slidably connected to the first connecting plate 121, a slider is fixedly connected to the side of the first enclosure 210 close to the first connecting plate 121 by screws, and the slider is provided in a cylindrical structure for easy sliding, and the first connecting plate 121 is provided with a first slide groove 124 for the slider to pass through in the vertical direction, and the first slide groove 124 is a through groove, and the slider is inserted in the first slide groove 124, and the end of the slider away from the first enclosure 210 is fixedly connected to a connecting cross bar 240 by screws, and the connecting cross bar 240 is provided in a rectangular rod-shaped structure for driving the first enclosure 210 to slide. There are two sets of the first slide groove 124 and the slider, and they are symmetrically arranged with the center line of the first connecting plate 121 in the vertical direction as the symmetry center.

[0036] The second enclosure 220 is slidably connected to the second connecting plate 122, and the second connecting plate 122 is provided with a second slide groove 125 for the connecting cross bar 240 to pass through in the vertical direction, and the second slide groove 125 is a through groove, and the end of the connecting cross bar 240 close to the second enclosure 220 is inserted into the second slide groove 125 and fixedly connected to the second enclosure 220 by screws; the third enclosure 230 is slidably connected to the third connecting plate 123, and the third connecting plate 123 is provided with a third slide groove 126 for the connecting cross bar 240 to pass through in the vertical direction, and the third slide groove 126 is a through groove, and the end of the connecting cross bar 240 close to the third enclosure 230 is inserted into the third slide groove 126 and fixedly connected to the third enclosure 230 by screws. The first enclosure 210, the second enclosure 220 and the third enclosure 230 can slide up and down synchronously.

[0037] The inner side of the first connecting plate 121 is fixedly connected with a vertically arranged rack 250 by screws; it also includes a driving motor 260 for driving the connecting cross bar 240, and the driving motor 260 is fixedly connected to the middle part of the connecting cross bar 240 by screws and corresponding fixing brackets. A gear 270 corresponding to the rack 250 and meshing with the rack 250 is provided on the rotating shaft of the driving motor 260, forming a driving device that supports and drives the connecting cross bar 240 to move up and down.

[0038] When the driving motor 260 rotates forward, the driving motor 260 drives the gear 270 to rotate, and the driving motor 260 moves up and down along the rack 250 through the cooperation between the gear 270 and the rack 250. The driving motor 260 is fixedly installed on the connecting cross bar 240, and the connecting cross bar 240 is fixedly connected to the first enclosure 210 through a slider. The left and right ends of the connecting cross bar 240 are respectively fixedly connected to the second enclosure 220 and the third enclosure 230 by screws. The connecting cross bar 240 drives the first enclosure 210, the second enclosure 220 and the third enclosure 230 to rise to the set position synchronously, and the first enclosure 210, the second enclosure 220 and the third enclosure 230 form an independent space. When conducting training, in order to facilitate operation demonstration and teaching, and enable all technicians to see the podium and the screen, the first enclosure 210, the second enclosure 220 and the third enclosure 230 are lowered to the extreme positions to prevent obstruction of vision and facilitate mutual communication and discussion and learning among technicians; when conducting skill assessment, in order to prevent each technician from being affected by the smoke produced by others' evaluation of tobacco, and being disturbed by the actions of others, and to prevent the occurrence of cheating such as technicians copying others, the first enclosure 210, the second enclosure 220 and the third enclosure 230 are raised to the extreme positions and enclosed an independent space, and each technician performs independent operations, effectively preventing the technicians from affecting each other in the smoke produced by the tobacco they are evaluating, and effectively preventing the technicians' actions from affecting each other.

[0039] It also includes a smoking box 3 configured to be slidably connected to a position of the workbench 1 to form a container that supports collecting smoke; a smoke inlet 310 is opened on one side of the smoking box 3 perpendicular to the workbench 1, and an air intake grille 320 is arranged in the smoke inlet 310, and the air intake grille 320 includes a grid cross bar 321 of a cylindrical structure, and the grid cross bar 321 is rotatably connected to both sides of the air intake grille 320, and a brush roller 330 is arranged in the smoking box 3, and the brush roller 330 is rotatably connected to the inner walls on both sides of the smoking box 3 to form a structure that supports cleaning the surface of the grid cross bar 321; a ventilation duct 340 connected to the smoking box 3 is provided at the bottom, and a suction device is provided on the ventilation duct 340 and connected to the outside; a through groove for placing the smoking box 3 is provided on the workbench, and the smoking box 3 is movably connected in the through groove, and a driving device for lifting the smoking box 3 is provided at the bottom of the smoking box 3 to form a power to support the lifting of the smoking box 3.

[0040] The driving device includes but is not limited to a spiral output rod, a pneumatic rod, etc. In the present embodiment, the driving device is a hydraulic rod 360, the free end of the hydraulic rod 360 is arranged as a planar joint connected to a plane, the free end of the hydraulic rod 360 is fixedly connected to the bottom of the smoking box 3 by screws, and there are two groups of hydraulic rods 360 which are symmetrically arranged with the center line of the smoking box 3 as the axis of symmetry. The hydraulic cylinder part of each hydraulic rod 360 is fixedly connected to the bottom of the workbench by screws and corresponding fixing brackets, thereby forming a power to support the lifting and lowering of the smoking box 3.

[0041] The side of the workbench 1 close to the ground is provided with a proximity switch, which is used to limit the rising limit position of the smoking box 3, and the falling limit of the smoking box 3 is the limit position of the hydraulic rod 360 itself; the free end of the hydraulic rod 360 is provided with a sensing column used in conjunction with the proximity switch, forming a structure in which the hydraulic rod 360 drives the smoking box 3 to move to the position limited by the proximity switch and stops moving; it also includes a hydraulic rod lifting control switch, and each hydraulic rod 360 is electrically connected to the hydraulic rod lifting control switch. The control switch can realize the control of the hydraulic rod 360 in both the rising and falling directions, which is a prior art and can be realized by products on the market. It is installed and fixed under the workbench according to the actual structure, which is convenient for technicians to operate, realize the automatic control of the present invention, and improve work efficiency.

[0042] A ventilation duct 340 connected to the smoking box 3 is provided at the bottom thereof, and a suction device is provided on the ventilation duct 340 and connected to the outside. When the hydraulic rod 360 pushes the smoking box 3 up to the limit position, the suction device is turned on. Under the action of the external suction device, a negative pressure is generated in the smoking box 3, and the smoke above the workbench 1 is sucked into the smoking box 3, and then discharged to the outside through the ventilation duct 340, so that the indoor air remains fresh. A wind valve is provided at the mouth of the ventilation duct 340 connected to the outside. The wind valve is a prior art and is used to adjust the air flow rate. By adjusting the wind valve, the exhaust volume of the ventilation duct 340 can be controlled according to actual needs, and the suction force generated by the smoking box 3 can be further controlled. A silencer is also provided on the smoking box 3 to reduce the noise generated when the smoking box 3 is working, thereby providing a quiet environment for the user. Commonly used silencers all use silencer cotton to reduce noise. The porous structure of the silencer cotton can also filter the smoke generated in the room to prevent environmental pollution and facilitate replacement.

[0043] A flange 350 is extended in the horizontal direction on one side of the smoking box 3 away from the workbench 1, so that when the smoking box 3 is lowered to the extreme position, the smoking box 3 closes the through groove; when the hydraulic rod 360 drives the smoking box 3 to drop to the extreme position, the plate-like structure composed of the flange 350 and the top of the smoking box 3 closes the through groove on the workbench 1, and the top surface of the smoking box 3 coincides with the working surface of the workbench 1 to form a flat working plane for other operations of the workbench. At this time, the smoking box 3 is located below the workbench 1, and the odor of the smoking box 3 is isolated to prevent the odor from affecting the technicians on the workbench 1.

[0044] The smoking box 3 is arranged in a rectangular box structure. The smoking box 3 is perpendicular to the workbench 1 and is provided with a smoke inlet 310 on one side close to the length midline of the workbench 1. The smoke inlet 310 is arranged in a rectangular shape. Combined with the arrangement of the rectangular box structure, the height of the smoking box 3 can be reduced while the effective area of ​​the smoke inlet 310 is expanded, thereby enhancing the smoke exhaust effect.

[0045] An air intake grille 320 is provided in the smoke inlet 310 to prevent tobacco and other objects from being sucked into the smoking box 3. The air intake grille 320 includes a grille frame and a grille crossbar 321. The grille frame is fixed to the smoke inlet 310 by snapping. The grille frame is provided with a plurality of mounting holes for placing the grille crossbar 321. Rolling bearings are provided in the mounting holes. The grille crossbar 321 is provided in a cylindrical structure. The grille crossbar 321 is rotatably connected to the corresponding mounting holes. A brush roller 330 is provided in the smoking box 3. The brush roller 330 is rotatably connected to the inner wall of the smoking box 3 through a rolling bearing. A second drive motor is provided at one shaft end of the brush roller 330. The second drive motor is electrically connected to a control switch, which further improves the practicality of the present invention and makes it easier to operate. The brush portion of the brush roller 330 is in contact with each grid cross bar 321. When the brush roller 330 rotates, it cleans the surface of each grid cross bar 321 and removes smoke residues on the surface of the grid cross bar 321. During the rotation of the brush roller 330, the bristles on the brush roller 330 inevitably vibrate and rub against each other, so that the smoke residues cannot be adsorbed on the bristles and are sucked out by the suction force generated by the external suction device and discharged outdoors.

[0046] Furthermore, the bristles of the brush roller 330 are made of synthetic fiber and are about 2-3 cm long.

[0047] In the above or some embodiments, it also includes a first extension plate 221 configured to be slidably connected to the two side edges of the second enclosure 220 to form an isolation plate for further isolating the outer side of the second enclosure 220, the first extension plate 221 is a rectangular plate-shaped structure adapted to the shape of the second enclosure 220, the horizontal edge of the second enclosure 220 is provided with a fourth slide groove for placing the first extension plate 221, the fourth slide groove is horizontally arranged, the first extension plate 221 is slidably connected in the fourth slide groove to form a pull-out structure of the first extension plate 221; it also includes a second extension plate 231 configured to be slidably connected to the two side edges of the third enclosure 230, the second extension plate 231 is a rectangular plate-shaped structure adapted to the shape of the third enclosure 230 to form an isolation plate for further isolating the outer side of the third enclosure 230, the horizontal edge of the third enclosure 230 is provided with a fifth slide groove for placing the second extension plate 231, the fifth slide groove is horizontally arranged, the second extension plate 231 is slidably connected in the fifth slide groove to form a pull-out structure of the second extension plate 231.

[0048] In the above or some embodiments, the first enclosure 210 is provided with a sample delivery port 211 for taking and delivering samples, and the sample delivery port 211 is arranged in a rectangular shape. When performing skill assessment, in order to facilitate the provision of tobacco raw materials or tobacco products to each technician, the first enclosure 210, the second enclosure 220 and the third enclosure 230 rise to the limit position and enclose an independent space, and the sample delivery port 211 is located at a position of the first enclosure 210 close to the surface of the table body 1, so that the staff can distribute the tobacco raw materials or tobacco products to be assessed to each technician.

[0049] In the above or some embodiments, it also includes a cover plate 212 configured to be slidably connected to the two side edges of the sample delivery port 211 to form a structure that supports the opening and closing of the sample delivery port 211. The upper and lower sides of the sample delivery port 211 are provided with a sixth slide groove for placing the cover plate 212. The cover plate 212 is slidably connected in the sixth slide groove to form a pullable cover plate 212 structure. The cover plate 212 is opened, and the staff distributes the tobacco raw materials or tobacco products to be evaluated to each technician from the sample delivery port 211, and then closes the cover plate 212; after waiting for the assessment to end, the cover plate 212 is opened, and each technician submits his or her tobacco raw materials or tobacco products with evaluation results from the sample delivery port 211.

[0050] In the above or some embodiments, the surfaces of the workbench 1, the first enclosure 210, the second enclosure 220 and the third enclosure 230 are all set to rough surfaces to form a surface layer that supports diffuse reflection of light. The surfaces of the workbench 1, the first enclosure 210, the second enclosure 220 and the third enclosure 230 are provided with a plurality of hemispherical protrusions, which will cause diffuse reflection when the pipeline is irradiated on them, which is helpful for the technicians to observe the faults, veins, etc. of the tobacco when performing visual sensory evaluation.

[0051] Working principle of the present invention:

[0052] When the tobacco industry gathers technical personnel in the same room for training and assessment, the present invention can meet the different requirements of training and assessment.

[0053] When conducting skill training, the present invention can move each workbench to a position close to the podium or multimedia screen and close to each other through the universal casters 111, so that the technicians can watch the instructor's operation or the multimedia screen.

[0054] When conducting skill assessment, each workbench is moved to a position far from each other to form a standardized examination room. In order to prevent each technician from being affected by the smoke produced by other people's evaluation of tobacco, and not being disturbed by other people's actions, and to prevent the occurrence of cheating phenomena such as technicians copying others, the first enclosure 210, the second enclosure 220 and the third enclosure 230 rise to the limit position and enclose an independent space, and each technician performs independent operation, effectively preventing the mutual influence of the smoke produced by the evaluation of tobacco between technicians, and effectively preventing the mutual influence of the actions of technicians. To further prevent cheating, the first extension plate 221 and the second extension plate 231 on both sides are pulled out to form further isolation, block the line of sight, and prevent cheating and interference. Through the setting of the sample delivery port 211 and the cover plate 212, the cover plate 212 is opened to provide tobacco raw materials or tobacco products to the technicians from the sample delivery port 211, and then the cover plate 212 is closed to form an independent operation space.

[0055] When visual tobacco evaluation is being conducted, the smoking box 3 is at the lower limit position, the workbench 1 is a flat work surface, the tobacco raw material is spread on the workbench, and the color, veins, etc. of the tobacco raw material are observed.

[0056] When conducting tobacco evaluation in terms of smell and taste, it is necessary to evaluate and identify the tobacco products, and the smoke generated needs to be discharged to the outside in time. At this time, the smoking box 3 is controlled by the control switch to rise to the upper limit position to exhaust the smoke from the space above the workbench 1. After use, the smoking box 3 is controlled by the control switch to descend to the lower limit position. The plate-like structure composed of the flange 350 and the top of the smoking box 3 closes the through groove on the workbench 1, and the top surface of the smoking box 3 coincides with the working surface of the workbench 1 to form a flat working plane for other operations of the workbench. At this time, the smoking box 3 is located below the workbench 1, and the smell of the smoking box 3 is isolated to prevent the smell from affecting the technicians on the workbench 1.

[0057] After being used for a period of time, the brush roller 330 in the smoking box 3 rotates under the action of the second driving motor, cleaning the surface of each grid cross bar 321, and at the same time cleaning the inner wall of the smoking box 3 in some areas, and removing the smoke residues on the surface of the grid cross bar 321 and the inner wall surface of the smoking box 3. During the rotation of the brush roller 330, the bristles on the brush roller 330 inevitably shake and rub against each other, so that the smoke residues cannot be adsorbed on the bristles, and are sucked out and discharged to the outside by the suction force generated by the external suction equipment.

[0058] The present invention has been described in detail above through specific implementation modes and embodiments, but these do not constitute limitations of the present invention. Without departing from the principles of the present invention, those skilled in the art may also make many variations and improvements, which should also be regarded as the protection scope of the present invention.

Claims

1. A multi-purpose tobacco workbench, characterized in that: The invention comprises a workbench (1) with a plate-like structure, wherein the workbench (1) is configured to be movable and fixed on the ground to form a platform supporting tobacco evaluation operations; the workbench (1) is provided with four supporting feet (110) arranged opposite to each other in pairs along the length direction of the table body on one side close to the ground, each supporting foot (110) is provided with a universal caster (111) at one end close to the ground, and a connecting plate is provided between adjacent supporting feet (110); the invention also comprises a lifting enclosure plate configured to be slidably connected to a position of the connecting plate to form an independent space supporting tobacco evaluation; the connecting plate comprises a first connecting plate (121), a second connecting plate (122) and a third connecting plate (123), the first connecting plate (121) and the second connecting plate (122) being connected to the ... The plate (121) is configured to be fixedly connected between two supporting feet (110) arranged along the length direction of the table body, and the second connecting plate (122) and the third connecting plate (123) are configured to be fixedly connected between two supporting feet (110) opposite to each other, so as to form a box structure with one side open; the lifting enclosure comprises a first enclosure (210), a second enclosure (220) and a third enclosure (230), the first enclosure (210) is slidably connected to the first connecting plate (121), a sliding block is fixedly connected to the side of the first enclosure (210) close to the first connecting plate (121), and the first connecting plate (121) is provided with a first opening for the sliding block to pass through in the vertical direction. The sliding groove (124) is fixedly connected to a connecting cross bar (240) at one end of the sliding block away from the first enclosure (210); the second enclosure (220) is slidably connected to the second connecting plate (122); the second connecting plate (122) is provided with a second sliding groove (125) for the connecting cross bar (240) to pass through in a vertical direction; the connecting cross bar (240) is fixedly connected to the second enclosure (220) at one end close to the second enclosure (220); the third enclosure (230) is slidably connected to the third connecting plate (123); the third connecting plate (123) is provided with a third sliding groove (126) for the connecting cross bar (240) to pass through in a vertical direction; the connecting One end of the cross bar (240) close to the third enclosure (230) is fixedly connected to the third enclosure (230); a vertically arranged rack (250) is fixedly connected to the inner side of the first connecting plate (121); a driving motor (260) is also included, the driving motor (260) is configured to be fixedly connected to the middle part of the connecting cross bar (240), and a gear (270) corresponding to the rack (250) and meshing with the rack (250) is provided on the rotating shaft of the driving motor (260), forming a driving device that supports and drives the connecting cross bar (240) to move up and down; and a smoking box (3) is also included that is configured to be slidably connected to a position of the workbench (1) to form a container that supports collecting smoke;The smoking box (3) is provided with a smoke inlet (310) on one side perpendicular to the workbench (1), an air inlet grille (320) is provided in the smoke inlet (310), the air inlet grille (320) comprises a grid cross bar (321) of a cylindrical structure, the grid cross bar (321) is rotatably connected to both sides of the air inlet grille (320), a brush roller (330) is provided in the smoking box (3), the brush roller (330) is rotatably connected to the inner walls on both sides of the smoking box (3), forming a structure that supports cleaning the surface of the grid cross bar (321); a ventilation duct (340) is provided at the bottom of the smoking box (3) and is connected thereto, the ventilation duct (340) is provided with a suction device and is connected to the outside; The workbench is provided with a through groove for placing a smoking box (3), the smoking box (3) is movably connected in the through groove, and a driving device for lifting the smoking box (3) is provided at the bottom of the smoking box (3) to form a power to support the lifting of the smoking box (3); it also includes a first extension plate (221) configured to be slidably connected to the two side edges of the second enclosure (220), forming an isolation plate for further isolating the outer side of the second enclosure (220), the second enclosure (220) is provided with a fourth slide groove for placing the first extension plate (221), and the first extension plate (221) is slidably connected in the fourth slide groove; it also includes a second extension plate (231) configured to be slidably connected to the two side edges of the third enclosure (230), forming an isolation plate for further isolating the outer side of the third enclosure (230), the third enclosure (230) is provided with a fifth slide groove for placing the second extension plate (231) on the horizontal edge, and the second extension plate (231) is slidably connected in the fifth slide groove.

2. A multi-purpose tobacco workbench according to claim 1, characterized in that: The first enclosure (210) is provided with a sample delivery port (211) for taking and delivering samples, and the sample delivery port (211) is arranged in a rectangular shape.

3. A multi-purpose tobacco workbench according to claim 1, characterized in that: It also includes a cover plate (212) configured to be slidably connected to the side edges of the sample delivery port (211) to form a structure that supports the opening and closing of the sample delivery port (211), and the upper and lower sides of the sample delivery port (211) are provided with a sixth sliding groove for accommodating the cover plate (212), and the cover plate (212) is slidably connected in the sixth sliding groove.

4. A multi-purpose tobacco workbench according to claim 1, characterized in that: A flange (350) is provided in the horizontal direction on one side of the smoking box (3) away from the workbench (1), so that when the smoking box (3) is lowered to the limit position, the through-groove is closed to form a flat surface.

5. A multi-purpose tobacco workbench according to claim 1, characterized in that: The driving device is a hydraulic rod (360), the free end of which is fixedly connected to the bottom of the smoking box (3), and the hydraulic rod (360) has two groups and is symmetrically arranged with the center line of the smoking box (3) as the symmetry axis; a proximity switch is provided on the side of the workbench (1) close to the ground, and a sensing column is provided at the free end of the hydraulic rod (360) for use with the proximity switch, forming a structure in which the hydraulic rod (360) drives the smoking box (3) to move to a position limited by the proximity switch and stops moving; and also includes a hydraulic rod lifting control switch, and each hydraulic rod (360) is electrically connected to the hydraulic rod lifting control switch.

6. A multi-purpose tobacco workbench according to claim 1, characterized in that: A second drive motor is provided at the shaft end of the brush roller (330), and the second drive motor is electrically connected to a control switch.

7. A multi-purpose tobacco workbench according to claim 1, characterized in that: The surfaces of the workbench (1), the first enclosure (210), the second enclosure (220) and the third enclosure (230) are all configured as rough surfaces, forming a surface layer that supports diffuse reflection of light.

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