Tobacco shred metering tube adjusting plate synchronous movement device

Abstract

The utility model discloses a tobacco shred metering tube adjusting plate synchronous movement device, the upper end of a tobacco shred metering tube is installed on a metering tube blanking hopper, the tobacco shred metering tube is composed of a front adjusting plate, a rear adjusting plate, a left side plate and a right side plate, and the front adjusting plate, the rear adjusting plate, the left side plate and the right side plate jointly define a metering channel for tobacco shred to fall down. The left side plate and the right side plate are oppositely arranged left and right, the top ends of the left side plate and the right side plate are fixed to the metering pipe discharging hopper, the front adjusting plate and the rear adjusting plate are arranged front and back, and the top ends of the front adjusting plate and the rear adjusting plate are hinged to the metering pipe discharging hopper through hinge shafts. The front adjusting plate and the rear adjusting plate are driven by the synchronous driving mechanism to reversely turn around respective hinge shafts at the same time, so that the size of the metering channel is adjusted. Compared with the prior art, the tobacco shred metering device has the advantages that the front adjusting plate and the rear adjusting plate of the tobacco shred metering tube can be turned over to flexibly adjust the size of a metering channel, and material blocking is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of cigarette production equipment, in particular to a synchronous movement device for an adjusting plate of a tobacco metering tube. Background Art

[0002] During the operation of the tobacco metering tube, in order to enable the tobacco metering tube to accurately and stably control the tobacco flow rate under different production processes, the tobacco flow rate is controlled by adjusting the metering tube regulating plate.

[0003] The existing tobacco metering tube has only a flippable front adjustment plate on the front side to adjust the metering channel size, while the rear side and both sides are fixed plates. The front adjustment plate on the front side has a small adjustment angle, and there is a possibility that tobacco will fall on the front adjustment plate and not fall down, thus causing blockage. Utility Model Content

[0004] The utility model aims to overcome the deficiencies of the prior art and provides a synchronous movement device for an adjusting plate of a tobacco metering tube, so that the front and rear adjusting plates of the tobacco metering tube can be flipped to achieve flexible adjustment of the metering channel size and reduce the occurrence of blockage.

[0005] The utility model is realized through the following technical solutions:

[0006] A synchronous movement device for an adjusting plate of a tobacco metering tube, wherein the upper end of the tobacco metering tube is installed on a lower hopper of the metering tube, and the tobacco metering tube is composed of a front adjusting plate, a rear adjusting plate, a left plate and a right plate, which together form a metering channel for the tobacco to fall, the left plate and the right plate are arranged opposite to each other on the left and right sides, and the top ends are respectively fixed on the lower hopper of the metering tube, the front adjusting plate and the rear adjusting plate are arranged front and back, and the top ends are respectively hinged to the lower hopper of the metering tube through hinge shafts, and the axial direction of the hinge shaft extends in the left and right direction, and the front adjusting plate and the rear adjusting plate are driven by a synchronous driving mechanism to flip in the opposite direction around their respective hinge shafts at the same time, so as to adjust the size of the metering channel.

[0007] As a preferred embodiment of the above-mentioned device, the synchronous driving mechanism includes two groups of driving components symmetrically arranged on the outer sides of the left and right side plates, each group of driving components includes a fixed plate, a synchronous gear and two racks, the fixed plate is fixed to the outer sides of the side plates on the corresponding sides, the synchronous gear is rotatably mounted on the fixed plate, the two racks are slidably mounted on the fixed plate and can only slide back and forth along the fixed plate, the two racks are respectively located on the upper and lower sides of the synchronous gear and are respectively meshed with the synchronous gear, a front connecting plate and a rear connecting plate are respectively provided on the outer sides of the front adjusting plate and the rear adjusting plate, the front connecting plate is movably hinged to the middle section of the outer side of the front adjusting plate through the front connecting block, and the rear connecting plate is movably hinged to the middle section of the outer side of the rear adjusting plate through the rear connecting block, the front connecting plate and the rear connecting plate are respectively connected by the left and right groups of driving components, the two racks of each group of driving components are respectively connected to the front and rear connecting plates through two connecting rods, and the two racks are driven to move in the opposite direction in the front and rear directions through the rotation of the synchronous gear, thereby driving the front connecting plate and the rear connecting plate to move in the opposite direction.

[0008] As a preferred embodiment of the above-mentioned device, a front protrusion is provided on the front side of the front adjustment plate, a waist-shaped groove is formed on the front protrusion, and a through hole is formed on the front connecting block. The front rotating shaft passes through the through hole of the front connecting block and the waist-shaped groove on the front protrusion at the same time, thereby realizing the movable connection between the front adjustment plate and the front connecting block.

[0009] As a preferred embodiment of the above-mentioned device, a rear protrusion is provided on the front side of the rear adjustment plate, a waist-shaped groove is formed on the rear protrusion, and a through hole is formed on the rear connecting block. The rear rotating shaft passes through the through hole of the rear connecting block and the waist-shaped groove on the rear protrusion at the same time, thereby realizing the movable connection between the rear adjustment plate and the rear connecting block.

[0010] As a preferred solution of the above device, the fixed plate is provided with two strip-shaped sliding grooves for the two racks to slide back and forth.

[0011] As a preferred embodiment of the above device, the synchronous drive mechanism also includes an electric cylinder, which is installed on the hopper under the metering tube. The movable end of the electric cylinder is fixedly connected to the front connecting plate, and the movable end of the electric cylinder is extended and retracted in the front and rear directions, thereby driving the front connecting plate to move forward and backward.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] The utility model provides a tobacco metering tube adjustment plate synchronous motion device, which realizes simultaneous adjustment of the front and rear sides of the metering channel by designing the plates on the front and rear sides of the tobacco metering tube as flip-adjustable front and rear adjustment plates, and drives the front and rear adjustment plates to flip in the opposite direction through a synchronous driving mechanism, effectively reducing the occurrence of material blockage caused by unilateral adjustment. In addition, its synchronous driving mechanism adopts two groups of left and right drive components, each group of drive components uses synchronous gear rotation to drive two racks to move in the opposite direction at the same time, which can drive the front adjustment plate and the rear adjustment plate to flip in the opposite direction, and the structural design is ingenious and the implementation effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is a structural schematic diagram of the drive assembly of the utility model.

[0016] Figure 3 It is a schematic diagram of the assembly structure of the front connecting block and the front protruding block of the utility model.

[0017] Numbers in the figure: 1 front adjustment plate; 2 rear adjustment plate; 3 drive assembly; 4 fixed plate; 5 synchronous gear; 6 strip slide groove; 7 front connecting plate; 8 rear connecting plate; 9 front connecting block; 10 front protrusion; 11 waist-shaped groove; 12 through hole; 13 active rack; 14 driven rack; 15 connecting rod. DETAILED DESCRIPTION

[0018] The following is a detailed description of an embodiment of the utility model. This embodiment is implemented on the premise of the technical solution of the utility model, and a detailed implementation method and a specific operation process are given, but the protection scope of the utility model is not limited to the following embodiment.

[0019] See also Figures 1 to 3 The present embodiment discloses a synchronous movement device of an adjustment plate of a tobacco metering tube, wherein the upper end of the tobacco metering tube is installed on a lower hopper of the metering tube, and the tobacco metering tube is composed of a front adjustment plate 1, a rear adjustment plate 2, a left plate and a right plate, which together form a metering channel for the tobacco to fall, and the left plate and the right plate are arranged opposite to each other on the left and right sides and the top ends are respectively fixed on the lower hopper of the metering tube, and the front adjustment plate 1 and the rear adjustment plate 2 are arranged front and back and the top ends are respectively hinged on the lower hopper of the metering tube through hinge shafts, and the axial direction of the hinge shaft extends in the left and right direction, and the front adjustment plate 1 and the rear adjustment plate 2 are driven by a synchronous driving mechanism to flip in the opposite direction around their respective hinge shafts at the same time to achieve adjustment of the size of the metering channel.

[0020] The synchronous drive mechanism comprises two sets of drive components 3 symmetrically arranged on the outer sides of the left and right side plates, each set of drive components 3 comprises a fixed plate 4, a synchronous gear 5 and two racks, the fixed plate 4 is fixed on the outer side of the side plate on the corresponding side, the synchronous gear 5 is rotatably mounted on the fixed plate 4, the two racks are slidably mounted on the fixed plate 4 and can only slide forward and backward along the fixed plate 4, and the fixed plate 4 is provided with two strip-shaped slide grooves 6 for the two racks to slide forward and backward. The two racks are respectively located on the upper and lower sides of the synchronous gear 5 and are respectively meshed with the synchronous gear 5, the front adjustment plate 1 and the rear adjustment plate 2 are respectively provided with a front connecting plate 7 and a rear connecting plate 8 on the outer side, the front connecting plate 7 is movably hinged with the middle section of the outer side of the front adjustment plate 1 through a front connecting block 9, the front side of the front adjustment plate 1 is provided with a front protrusion 10, the front protrusion 10 is provided with a waist-shaped groove 11, and the front connecting block 9 is provided with a through hole 12, and the front rotating shaft passes through the through hole 12 of the front connecting block 9 and the waist-shaped groove 11 on the front protrusion 10 at the same time, so as to realize the movable connection between the front adjustment plate 1 and the front connecting block 9. The rear connecting plate 8 is movably hinged with the middle section of the outer side of the rear adjusting plate 2 through the rear connecting block. The front side of the rear adjusting plate 2 is provided with a rear convex block, on which a waist-shaped groove 11 is formed, and on the rear connecting block a through hole 12 is formed. The rear shaft passes through the through hole 12 of the rear connecting block and the waist-shaped groove 11 on the rear convex block at the same time, so as to realize the movable connection between the rear adjusting plate 2 and the rear connecting block. The front connecting plate 7 and the rear connecting plate 8 are connected respectively through the left and right groups of driving components 3. The two racks of each group of driving components 3 are connected to the front and rear connecting plates through two connecting rods 15 respectively. The two racks are driven to move in the reverse direction along the front and rear directions through the rotation of the synchronous gear 5, thereby driving the front connecting plate 7 and the rear connecting plate 8 to move in the reverse direction.

[0021] The synchronous drive mechanism also includes an electric cylinder, which is installed on the hopper under the metering tube. The movable end of the electric cylinder is fixedly connected to the front connecting plate 7. The movable end of the electric cylinder is extended and retracted in the front-to-back direction, thereby driving the front connecting plate 7 to move forward and backward. In each set of driving components 3, the rack connected to the front connecting plate 7 is the active rack 13, and the other rack is the driven rack 14.

[0022] The front connecting plate 7 is movably hinged to the middle section of the outer side of the front adjusting plate 1 through two front connecting blocks 9, and the rear connecting plate 8 is movably hinged to the middle section of the outer side of the rear adjusting plate 2 through two rear connecting blocks.

[0023] When the size of the metering channel needs to be adjusted, the electric cylinder is actuated, and the movable end of the electric cylinder is extended and retracted to drive the front connecting plate 7 to move forward and backward, and the front connecting plate 7 drives the active racks 13 of the two groups of drive components 3 connected to it through the connecting rod 15 to move forward and backward, and under the transmission of the two synchronous gears 5, the driven racks 14 of the two groups of drive components 3 are driven to move, thereby realizing the front connecting plate 7 and the rear connecting plate 8 to move in the opposite direction in the front and rear directions, and the front connecting plate 7 and the rear connecting plate 8 drive the front adjustment plate 1 and the rear adjustment plate 2 to flip in the opposite direction around their respective hinge axes, thereby realizing the simultaneous adjustment of the front and rear sides of the metering channel, and effectively reducing the occurrence of blockages caused by unilateral adjustment.

[0024] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A tobacco metering tube adjusting plate synchronous motion device, wherein the upper end of the tobacco metering tube is installed on the lower hopper of the metering tube, Features: The tobacco metering tube is composed of a front adjusting plate, a rear adjusting plate, a left plate and a right plate, which together form a metering channel for the tobacco to fall, the left plate and the right plate are arranged opposite to each other on the left and right sides, and the top ends are respectively fixed on the lower hopper of the metering tube, the front adjusting plate and the rear adjusting plate are arranged front and back, and the top ends are respectively hinged on the lower hopper of the metering tube through hinge shafts, and the axial direction of the hinge shaft extends in the left and right direction, and the front adjusting plate and the rear adjusting plate are driven by a synchronous driving mechanism to flip in opposite directions around their respective hinge shafts at the same time, so as to adjust the size of the metering channel.

2. A tobacco metering tube adjusting plate synchronous motion device as claimed in claim 1, Features: The synchronous drive mechanism comprises two groups of driving assemblies symmetrically arranged on the outer sides of the left and right side plates, each group of driving assemblies comprises a fixed plate, a synchronous gear and two racks, the fixed plate is fixed to the outer sides of the side plates on the corresponding sides, the synchronous gear is rotatably mounted on the fixed plate, the two racks are slidably mounted on the fixed plate and can only slide forward and backward along the fixed plate, the two racks are respectively located on the upper and lower sides of the synchronous gear and are respectively meshed with the synchronous gear, a front connecting plate and a rear connecting plate are respectively provided on the outer sides of the front adjusting plate and the rear adjusting plate, the front connecting plate is movably hinged to the middle section of the outer side of the front adjusting plate through the front connecting block, and the rear connecting plate is movably hinged to the middle section of the outer side of the rear adjusting plate through the rear connecting block, the front connecting plate and the rear connecting plate are respectively connected by the left and right groups of driving assemblies, the two racks of each group of driving assemblies are respectively connected to the front and rear connecting plates through two connecting rods, and the two racks are driven to move in the opposite direction along the front and rear directions through the rotation of the synchronous gear, thereby driving the front connecting plate and the rear connecting plate to move in the opposite direction.

3. A tobacco metering tube adjusting plate synchronous motion device as claimed in claim 2, Features: The front adjusting plate is provided with a front protrusion on the front side, a waist-shaped groove is opened on the front protrusion, and a through hole is opened on the front connecting block. The front rotating shaft passes through the through hole of the front connecting block and the waist-shaped groove on the front protrusion at the same time to realize the movable connection between the front adjusting plate and the front connecting block.

4. A tobacco metering tube adjusting plate synchronous movement device as claimed in claim 2, Features: The front side of the rear adjustment plate is provided with a rear convex block, the rear convex block is provided with a waist-shaped groove, and the rear connecting block is provided with a through hole. The rear rotating shaft passes through the through hole of the rear connecting block and the waist-shaped groove on the rear convex block at the same time, so as to realize the movable connection between the rear adjustment plate and the rear connecting block.

5. A tobacco metering tube adjusting plate synchronous movement device as claimed in claim 2, Features: The fixing plate is provided with two strip-shaped sliding grooves for the two racks to slide forward and backward.

6. A tobacco metering tube adjusting plate synchronous motion device as claimed in claim 2, Features: The synchronous drive mechanism also includes an electric cylinder, which is installed on the hopper under the metering tube. The movable end of the electric cylinder is fixedly connected to the front connecting plate. The movable end of the electric cylinder is extended and retracted in the front and rear directions, thereby driving the front connecting plate to move forward and backward.

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