Conveying mechanism for tobacco leaf quality inspection spectrometer

Abstract

The utility model relates to the technical field of tobacco leaf detection equipment, in particular to a conveying mechanism for a tobacco leaf quality inspection spectrometer, which comprises a rack, a conveying mechanism and spectrum equipment, the conveying mechanism and the spectrum equipment are positioned on the rack, and the conveying mechanism comprises a first conveying belt for moving tobacco leaves to the position of the spectrum equipment; a second conveying belt is arranged below the spectrum equipment, a cleaning device is arranged on the second conveying belt, and a third conveying belt is arranged at one end, far away from the first conveying belt, of the second conveying belt, and the first conveying belt, the second conveying belt and the third conveying belt are used in cooperation to move to-be-detected tobacco leaves to the position of the spectrum equipment for detection; the tobacco leaf residue removing device solves the problem that in the prior art, tobacco leaf residues fall on a conveying mechanism of a spectrograph and cannot be removed in time, and then follow-up tobacco leaf detection is affected, and the tobacco leaf residue removing device has good application in the field of tobacco research.

Description

Technical Field

[0001] The utility model belongs to the technical field of tobacco leaf detection equipment, and in particular relates to a transmission mechanism for a tobacco leaf quality inspection spectrometer. Background Art

[0002] When using a spectrometer to test the moisture and chemical composition of cured tobacco leaves, due to the nature of the dried tobacco leaves, residues will be left in the test area. Since the tobacco leaves to be tested are placed continuously on the tobacco leaf conveying mechanism of the spectrometer, it is not easy to prevent the cleaning mechanism on the conveying mechanism and between adjacent tobacco leaves, but the accumulation of residues will affect the test results of the tobacco leaves. Summary of the invention

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a transmission mechanism for a tobacco quality inspection spectrometer, which solves the problem in the prior art that tobacco residues fall on the transmission mechanism of the spectrometer and cannot be removed in time, thereby affecting subsequent tobacco inspection.

[0004] The technical solution is that a conveying mechanism for a tobacco quality inspection spectrometer includes a frame and a conveying mechanism and a spectral device located on the frame. The conveying mechanism includes a first conveyor belt for moving tobacco leaves to the position of the spectral device, a second conveyor belt is arranged below the spectral device, a cleaning device is arranged on the second conveyor belt, and a third conveyor belt is arranged at one end of the second conveyor belt away from the first conveyor belt, thereby forming a structure in which the first conveyor belt, the second conveyor belt and the third conveyor belt are used together to move the tobacco leaves to be inspected to the position of the spectral device for inspection and then move the tobacco leaves away.

[0005] Preferably, the first conveyor belt, the second conveyor belt and the third conveyor structure are the same, the first conveyor belt comprises an active roller and a driven roller fixed on a frame, belts are wound around the active roller and the driven roller, air holes are arranged on the belt, there are multiple air holes and they are distributed in an array, the air holes penetrate the rear direction of the belt, and an adsorption mechanism extending to the middle of the active roller and the driven roller is also arranged on the frame.

[0006] Preferably, the adsorption mechanism includes an air pump fixed on the frame, an air hood is arranged between the active roller and the driven roller, the air hood is a funnel-shaped structure, a horizontal plate for supporting the air hood is arranged on the frame, the air hood is connected to the air pump through an air pipe, so that after the air pump is turned on, the air hood connected to the air pump generates suction, and the tobacco leaves are adsorbed onto the belt.

[0007] Preferably, a brush is provided at one end of the air hood close to the belt, the brush is in a rectangular ring structure suitable for the end of the air hood, and a slot for fixing the brush is provided on the air hood.

[0008] Preferably, a cleaning roller brush is provided on the frame near the second conveyor belt, and the cleaning roller brush includes a brush body with a cylindrical structure. The frame is provided with a support shaft for supporting the brush body and driving the brush body to rotate synchronously. The frame is also rotatably connected with a horizontal axis, and a friction roller in contact with the belt is provided on the horizontal axis. The support shaft and the horizontal axis are driven by gears to form a structure in which the friction roller rotates with the belt, and the cleaning roller brush is driven to rotate to clean the belt surface through the gears.

[0009] The utility model has the beneficial effect of dividing the tobacco leaf conveying mechanism into a continuous first conveyor belt, a second conveyor belt and a third conveyor belt, the spectral device is located above the second conveyor belt, and an air hood for air suction is arranged between the active roller and the driven roller to prevent the tobacco leaves from shifting during movement. The arrangement of the cleaning roller brush on the second conveyor belt facilitates cleaning of the second conveyor belt and prevents tobacco leaf residues from affecting the detection results of the spectral device.

[0010] The air holes on the belt facilitate communication with the air hood and fix the tobacco leaves on the belt under the action of the air pump. The brushes on the air hood prevent debris from entering the air hood.

[0011] The arrangement of the friction roller inside the belt makes it easy for the brush to rotate under the drive of the belt, thereby driving the gear to rotate and providing rotational power for the brush body. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a structural diagram of the transmission mechanism used in the tobacco leaf quality inspection spectrometer of the utility model;

[0013] Figure 2 It is an enlarged view of the structure diagram of the transmission mechanism used in the tobacco leaf quality inspection spectrometer of the utility model;

[0014] Figure 3 It is a cross-sectional view of the second conveyor belt of the conveying mechanism of the tobacco leaf quality inspection spectrometer of the utility model.

[0015] Among them, 1 is a frame, 2 is a spectrum device, 3 is a first conveyor belt, 4 is a second conveyor belt, 5 is a third conveyor belt, 6 is an active roller, 7 is a driven roller, 8 is a belt, 9 is an air hole, 11 is an air pump, 12 is an air cover, 13 is a horizontal plate, 14 is an air pipe, 15 is a brush, 16 is a card slot, 17 is a brush body, 18 is a support shaft, 19 is a horizontal shaft, 20 is a friction roller, and 21 is a gear. DETAILED DESCRIPTION

[0016] The following will clearly and completely describe the technical solutions of various embodiments of the utility model in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model. In the description of the utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0017] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0018] The specific implementation of the utility model is further described in detail below in conjunction with the accompanying drawings.

[0019] Embodiment 1: As shown in the drawings of the specification, the conveying mechanism for the tobacco leaf quality inspection spectrometer includes a frame 1, a conveying mechanism located on the frame 1, and a spectroscopic device 2. The frame 1 includes support legs and a frame body. The frame body is a rectangular ring structure. The conveying mechanism extends from the middle position of the frame body to the outside of the frame body in the vertical direction. The spectroscopic device 2 is fixed to the frame body through a support plate. The conveying mechanism includes a first conveyor belt 3 for moving tobacco leaves to the position of the spectroscopic device 2. A second conveyor belt 4 is provided below the spectroscopic device 2. A cleaning device is provided on the second conveyor belt 4. A third conveyor belt 5 is provided at one end of the second conveyor belt 4 away from the first conveyor belt 3, forming a structure in which the first conveyor belt 3, the second conveyor belt 4, and the third conveyor belt 5 cooperate to move the tobacco leaves to be tested to the position of the spectroscopic device 2 for testing, and then remove the tobacco leaves. The first conveyor belt 3, the second conveyor belt 4 and the third conveyor belt 5 are fixed on the frame 1 in sequence and continuously. The first conveyor belt 3, the second conveyor belt 4 and the third conveyor belt have the same structure. The first conveyor belt 3 includes a driving roller 6 and a driven roller 7 fixed on the frame 1. The two ends of the driving roller 6 and the driven roller 7 are connected to the inner wall of the frame 1 through bearings. The inner wall of the frame 1 is bolted with a bearing seat. A belt 8 is wound around the driving roller 6 and the driven roller 7. The belt 8 is provided with air holes 9. There are multiple air holes 9 and they are distributed in an array. The air holes 9 penetrate the rear opposite direction of the belt 8. The frame 1 is also provided with an adsorption mechanism extending to the middle of the driving roller 6 and the driven roller 7. The adsorption mechanism includes an air pump 11 fixed on the frame 1, an air hood 12 is arranged between the active roller 6 and the driven roller 7, the air hood 12 is a funnel-shaped structure, a horizontal plate 13 for supporting the air hood 12 is arranged on the frame 1, a rectangular groove is arranged on the horizontal plate 13, and an external thread is arranged on the outer wall of one end of the air hood 12 close to the horizontal plate 13, forming a structure in which one end of the air hood 12 passes through the rectangular groove and the air hood 12 is fixed by bolts. The air hood 12 is connected to the air pump 11 through the air pipe 14, forming a structure in which the air hood 12 connected to the air pump 11 generates suction after the air pump 11 is turned on, and the tobacco leaves are adsorbed onto the belt 8.

[0020] In one embodiment, as shown in the accompanying drawings, a brush 15 is provided at one end of the air hood 12 close to the belt 8. The brush 15 belongs to the prior art. The bristles on the brush 15 prevent debris from entering the interior of the air hood 12 through the gap between the belt 8 and the air hood 12. The brush 15 is a rectangular ring structure suitable for the end of the air hood 12. The air hood 12 is provided with a slot 16 for fixing the brush 15.

[0021] In one embodiment, as shown in the accompanying drawings, a cleaning roller brush is provided at a position near the second conveyor belt 4 on the frame 1, and the cleaning roller brush includes a brush body 17 with a hollow cylindrical structure. A support shaft 18 is provided on the frame 1 for supporting the brush body 17 and driving the brush body 17 to rotate synchronously. A support block with an integral structure is provided on the inner wall of the frame 1, and a semicircular groove is provided in the middle position of the support block. A bearing with an interference fit with the support shaft 18 is provided in the groove, and a fixing block used in conjunction with the bearing is bolted to the support block. A horizontal shaft 19 is also rotatably connected to the frame 1, and a friction roller 20 in contact with the belt 8 is glued to the horizontal shaft 19. The support shaft 18 and the horizontal shaft 19 are driven by mutually meshing gears 21, forming a structure in which the friction roller 20 rotates by the belt 8, and the cleaning roller brush is driven to rotate and clean the surface of the belt 8 through the gear 21.

[0022] The utility model divides the tobacco leaf conveying mechanism into a continuous first conveyor belt, a second conveyor belt and a third conveyor belt, the spectral device is located above the second conveyor belt, and an air hood for air suction is arranged between the active roller and the driven roller to prevent the tobacco leaves from shifting during movement. The arrangement of a sweeping roller brush on the second conveyor belt facilitates cleaning of the second conveyor belt and prevents tobacco leaf residues from affecting the detection result of the spectral device; the arrangement of air holes on the belt facilitates communication with the air hood and fixation of the tobacco leaves on the belt under the action of an air pump; the arrangement of a brush on the air hood prevents debris from entering the air hood; the arrangement of a friction roller inside the belt facilitates rotation under the drive of the belt, thereby driving the gear to rotate and providing rotational power for the brush body.

[0023] The present invention is described in detail above through specific implementation methods and examples, but these do not constitute limitations of the present invention. Without departing from the principle of the present invention, those skilled in the art may make many modifications and improvements, which should also be considered as the protection scope of the present invention.

Claims

1. A transmission mechanism for a tobacco leaf quality inspection spectrometer, comprising a frame (1), a conveying mechanism located on the frame (1), and a spectroscopic device (2), characterized in that: The conveying mechanism comprises a first conveyor belt (3) for moving tobacco leaves to the position of the spectral device (2); a second conveyor belt (4) is arranged below the spectral device (2); a cleaning device is arranged on the second conveyor belt (4); and a third conveyor belt (5) is arranged at one end of the second conveyor belt (4) away from the first conveyor belt (3), so as to form a structure in which the first conveyor belt (3), the second conveyor belt (4) and the third conveyor belt (5) are used in cooperation to move the tobacco leaves to be tested to the position of the spectral device (2) for testing, and then the tobacco leaves are removed.

2. The transmission mechanism for tobacco leaf quality inspection spectrometer according to claim 1, characterized in that: The first conveyor belt (3), the second conveyor belt (4) and the third conveyor structure are the same. The first conveyor belt (3) comprises a driving roller (6) and a driven roller (7) fixed on the frame (1). A belt (8) is wound around the driving roller (6) and the driven roller (7). The belt (8) is provided with air holes (9). There are a plurality of air holes (9) distributed in an array. The air holes (9) penetrate the belt (8) in the rear direction. The frame (1) is also provided with an adsorption mechanism extending to the middle of the driving roller (6) and the driven roller (7).

3. The transmission mechanism for the tobacco leaf quality inspection spectrometer according to claim 2, characterized in that: The adsorption mechanism comprises an air pump (11) fixed on a frame (1); an air hood (12) is arranged between a driving roller (6) and a driven roller (7); the air hood (12) is a funnel-shaped structure; a horizontal plate (13) for supporting the air hood (12) is arranged on the frame (1); the air hood (12) is connected to the air pump (11) through an air pipe (14), so that when the air pump (11) is turned on, the air hood (12) connected to the air pump (11) generates suction, and the tobacco leaves are adsorbed onto the belt (8).

4. The transmission mechanism for the tobacco leaf quality inspection spectrometer according to claim 3, characterized in that: A brush (15) is provided at one end of the air hood (12) close to the belt (8); the brush (15) is in a rectangular ring structure suitable for the end of the air hood (12); and a slot (16) for fixing the brush (15) is provided on the air hood (12).

5. The transmission mechanism for tobacco leaf quality inspection spectrometer according to claim 1, characterized in that: A cleaning roller brush is arranged on the frame (1) at a position close to the second conveyor belt (4), the cleaning roller brush comprising a brush body (17) having a cylindrical structure, the frame (1) being provided with a support shaft (18) for supporting the brush body (17) and driving the brush body (17) to rotate synchronously, the frame (1) being further rotatably connected with a transverse shaft (19), the transverse shaft (19) being provided with a friction roller (20) in contact with the belt (8), the support shaft (18) and the transverse shaft (19) being driven by a gear (21), thereby forming a structure in which the friction roller (20) rotates by means of the belt (8), and the cleaning roller brush is driven by the gear (21) to rotate and clean the surface of the belt (8).

Images