Cigarette adsorbing and positioning device with filtering function

Abstract

The utility model discloses a cigarette adsorbing and positioning device with a filtering function, and belongs to the technical field of cigarette sorting, the cigarette adsorbing and positioning device comprises a device body and a negative pressure adsorption mechanism, the device body is internally provided with an air cavity, the negative pressure adsorption mechanism comprises a vacuum pump, a filter screen and a filter screen, the connecting pipeline is used for connecting the vacuum pump and the air cavity; the filter is installed on the connecting pipeline, the filter comprises a filter pipe and a filter element located in the filter pipe, one end of the filter pipe is an air inlet, the other end of the filter pipe is an installation opening, and the side portion of the filter pipe is connected with an air outlet pipe. The cigarette adsorbing and positioning device solves the problem of negative pressure attenuation caused by accumulation of fine particle impurities in the cigarette adsorbing and positioning device in the prior art.

Description

A cigarette adsorption and positioning device with filtering function Technical Field

[0001] This utility model relates to the field of cigarette sorting technology, and in particular to a cigarette adsorption and positioning device with a filtering function. Background Technology

[0002] In an automated cigarette sorting system, the cigarette adsorption and positioning device is one of the core execution units. It uses a vacuum adsorption belt and a vacuum pump to generate negative pressure to stably adsorb the cigarettes onto the belt surface, achieving precise positioning and efficient conveying of the cigarettes.

[0003] Currently, the commonly used cigarette adsorption devices in the industry typically consist of a vacuum adsorption belt, a vacuum pump, and connecting pipes. The vacuum pump is connected to the internal cavity of the adsorption belt through pipes, creating a negative pressure adsorption area on the belt surface. However, during long-term operation, it has been found that the negative pressure efficiency of the adsorption device significantly decreases over time. Analysis reveals that the main reason is that suspended dust, tobacco fragments, and other impurities in the sorting environment enter the vacuum pipes and pump body through the suction port, causing weakened suction and blockage of the adsorption channels. This problem directly leads to a decrease in the stability of cigarette adsorption, and may even cause slippage or detachment. In addition, increased wear on the vacuum pump due to dust intrusion also shortens the equipment's lifespan and increases maintenance costs.

[0004] In view of this, the present invention provides a new solution to the above problems. Summary of the Invention

[0005] The purpose of this invention is to provide a cigarette adsorption and positioning device with a filtering function, which solves the problem of negative pressure attenuation caused by the accumulation of fine particulate impurities in the existing cigarette adsorption and positioning device.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0007] A cigarette smoke adsorption and positioning device with a filtering function includes a device body and a negative pressure adsorption mechanism. The device body has an air cavity, and the negative pressure adsorption mechanism includes:

[0008] Vacuum pump;

[0009] A connecting pipe, which is used to connect the vacuum pump and the air chamber;

[0010] A filter is installed on the connecting pipe. The filter includes a filter tube and a filter element located inside the filter tube. One end of the filter tube is an air inlet, and the other end is an installation port. An air outlet is connected to the side of the filter tube.

[0011] A further preferred embodiment is that the connecting pipeline includes an intake pipe and an exhaust pipe;

[0012] The intake pipe is connected between the air chamber and the air inlet of the filter tube, and the delivery pipe is connected between the outlet pipe and the air inlet of the vacuum pump.

[0013] A further preferred embodiment is that the filter is detachably installed on the connecting pipe.

[0014] A further preferred embodiment is that the filter element is detachable.

[0015] A further preferred embodiment is that the filter tube is vertically installed on the connecting pipe, with the upper end of the filter tube being an air inlet and the lower end being an installation port for installing and removing the filter element.

[0016] A further preferred embodiment is that the filter element includes a filter cartridge and an outer cover, one end of the filter cartridge is open and the other end is fixed to the outer cover, and the outer cover is threadedly connected to the filter tube mounting port.

[0017] A further preferred embodiment is that: a partition is fixed inside the filter tube, a central hole is provided on the partition, the end of the filter cylinder away from the outer cover is in contact with the partition, and the filter cylinder is connected to the air inlet of the filter tube through the central hole.

[0018] A further preferred embodiment is that: a groove is provided on the side of the partition plate near the filter tube mounting port, the groove is arranged around the central hole, and the end of the filter cylinder away from the outer cover is pressed against the bottom of the groove.

[0019] A further preferred embodiment is that a sealing ring is fixed at the filter tube mounting port, and the sealing ring is fitted onto the outer surface of the filter cartridge.

[0020] A further preferred embodiment is that the outer diameter of the filter cartridge is smaller than the inner diameter of the filter tube, so that a cavity for gas flow is provided between the filter cartridge and the filter tube, and the gas outlet pipe is connected to the cavity.

[0021] In summary, this utility model has the following beneficial effects:

[0022] This utility model discloses a cigarette adsorption and positioning device with a filtering function, comprising a device body and a negative pressure adsorption mechanism. The device body is provided with an air cavity, and the negative pressure adsorption mechanism includes a vacuum pump, a connecting pipe, and a filter. The connecting pipe is used to connect the vacuum pump and the air cavity. The filter is installed on the connecting pipe and includes a filter tube and a filter element located inside the filter tube. One end of the filter tube is an air inlet, and the other end is an installation port. An air outlet is connected to the side of the filter tube.

[0023] This cigarette adsorption and positioning device integrates a filter into the negative pressure adsorption mechanism, effectively intercepting dust and debris, solving the problem of negative pressure attenuation, and reducing maintenance costs. It resolves the issue of negative pressure attenuation caused by the accumulation of fine particulate impurities in existing cigarette adsorption and positioning devices. Attached Figure Description

[0024] Figure 1 is a top view of a preferred embodiment of the cigarette adsorption and positioning device of this utility model;

[0025] Figure 2 is a schematic diagram of the overall structure of the cigarette adsorption and positioning device according to a preferred embodiment of the present invention.

[0026] Figure 3 is a schematic diagram of the filter structure of a preferred embodiment of the present invention;

[0027] Figure 4 is a cross-sectional schematic diagram of a filter according to a preferred embodiment of the present invention;

[0028] Figure 5 is a schematic diagram of the partition structure of a preferred embodiment of the present invention;

[0029] Figure 6 is a schematic diagram of the filter element structure of a preferred embodiment of the present invention.

[0030] In the diagram, 1 is the main body of the device; 101 is the support frame; 102 is the vacuum adsorption belt; 1031 is the motor; 1032 is the driving roller; 1033 is the driven roller; 2 is the negative pressure adsorption mechanism; 21 is the suction pipe; 22 is the filter; 221 is the filter tube; 222 is the exhaust pipe; 223 is the filter element; 2231 is the filter cartridge; 2232 is the outer cover; 224 is the partition; 225 is the cavity; 226 is the sealing ring; and 227 is the groove. Detailed Implementation

[0031] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0032] Example: A cigarette smoke adsorption and positioning device with filtering function, as shown in Figures 1-2, includes a device body 1 and a negative pressure adsorption mechanism 2. The device body 1 has an air chamber inside and includes a support frame 101, a vacuum adsorption belt 102, and a transmission device for driving the vacuum adsorption belt 102 to move continuously. The vacuum adsorption belt 102 is located at the top of the air chamber and has adsorption holes evenly distributed on its surface. The vacuum adsorption belt 102 is used to directly contact and adsorb cigarette smoke.

[0033] Preferably, the transmission device includes a motor 1031, a drive roller 1032, and a driven roller 1033. The drive roller 1032 is equipped with a drive shaft, one end of which is connected to the output shaft of the motor 1031, and the other end passes through the center of the drive roller 1032 and is rotatably connected to the support frame 101. The drive roller 1032 is fixedly connected to the drive shaft. The driven roller 1033 is equipped with a driven shaft, which passes through the center of the driven roller 1033. Both ends of the driven shaft are rotatably connected to the support frame 101, and the driven roller 1033 is fixedly connected to the driven shaft. The drive roller 1032 and the driven roller 1033 are located at the front and rear ends of the device body 1, respectively. The drive roller 1032 and the driven roller 1033 work together to drive the vacuum adsorption belt 102. Combined with dynamic tension adjustment and the sealing structure on both sides of the rollers, the vacuum adsorption force and power transmission are synchronized, ensuring stable material conveying and positioning.

[0034] In the above technical solution, the motor 1031 drives the active roller 1032 to rotate, and the friction between the roller and the vacuum adsorption belt 102 drives the vacuum adsorption belt 102 to move continuously, so as to achieve seamless coordination between adsorption force and power output, so that the cigarette packs can still be closely attached to the vacuum adsorption belt 102 during high-speed transportation.

[0035] Referring to Figures 1-6, the negative pressure adsorption mechanism 2 includes a vacuum pump, a connecting pipe, and a filter 22. The connecting pipe is used to connect the vacuum pump and the air chamber. The filter 22 is installed on the connecting pipe and includes a filter tube 221 and a filter element 223 located inside the filter tube 221. One end of the filter tube 221 is an air inlet, and the other end is an installation port. An air outlet pipe 222 is connected to the side of the filter tube 221.

[0036] Preferably, the connecting pipeline includes an intake pipe 21 and an air supply pipe. The intake pipe 21 is connected between the air cavity outlet and the filter pipe 221 inlet, and the air supply pipe is connected between the outlet pipe 222 and the vacuum pump inlet.

[0037] Specifically, the intake pipe 21 is made as short as possible so that the filter 22 is as close as possible to the air cavity outlet.

[0038] In the above technical solution, the length of the intake pipe 21 is minimized and the filter 22 is arranged close to the outlet of the air cavity, which greatly shortens the path of the impurity-containing airflow, reduces the energy loss in the negative pressure transmission process, and improves the negative pressure response speed of the air cavity.

[0039] Preferably, the filter 22 is detachably installed on the connecting pipe.

[0040] Specifically, the intake pipe 21 and the filter pipe 221 are connected by a flange, and the air supply pipe and the air outlet pipe 222 are connected by a flange.

[0041] In the above technical solution, the filter 22 is connected to the pipeline through a flange, which improves the ease of disassembly and assembly of the filter 22, and has good sealing performance, which can effectively prevent air leakage.

[0042] Preferably, the filter element 223 is detachably installed inside the filter tube 221. The filter tube 221 is vertically installed on the connecting pipeline, with the upper end of the filter tube 221 being an air inlet and the lower end being an installation port for installing and removing the filter element 223.

[0043] Preferably, the filter element 223 includes a filter cylinder 2231 and an outer cover 2232. The upper end of the filter cylinder 2231 is open, and the lower end is fixed to the bottom of the outer cover 2232. The outer cover 2232 is threadedly connected to the mounting port of the filter tube 221.

[0044] In the above technical solution, the particulate solid impurities in the filter element 223 need to be cleaned regularly. At the same time, in order to improve the filtration effect, the filter element 223 also needs to be replaced or repaired regularly. However, whether it is cleaning the particulate solid impurities in the filter element 223 or replacing or repairing the filter element 223, the filter element 223 needs to be disassembled. Therefore, the filter element 223 of this utility model adopts a detachable setting.

[0045] The filter element 223 is vertically inserted and removed through the mounting port at the lower end of the filter tube 221. The outer cover 2232 is threadedly connected to the filter tube 221, enabling an integrated operation of "screwing the outer cover 2232 → removing the old filter element → inserting the new filter element," requiring no tools and saving time and effort. The vertical layout of the filter tube 221 ensures that the direction of gravity of the filter element 223 is aligned with the disassembly direction, avoiding the disassembly jamming problem caused by gravity offset in traditional horizontal filter tubes 221. Simultaneously, the vertical layout of the filter tube 221 allows dust, tobacco fragments, and other impurities in the airflow to settle better within the filter cartridge 2231 under gravity. The impurity-laden airflow flows vertically downwards from the upper air inlet of the filter tube 221, and large particles (such as tobacco fragments) naturally settle to the bottom of the filter cartridge 2231 under gravity for subsequent cleaning. The threaded connection structure combined with the vertical rigid fixation of the filter tube 221 can withstand high-frequency vibration conditions, preventing seal failure due to mechanical vibration.

[0046] Specifically, the filter cartridge 2231 includes a support layer and a filter layer. The support layer has several air holes evenly distributed on its circumferential surface. The filter layer is attached to the outer or inner wall of the support layer. The filter layer can be a fiber woven layer, filter cloth, or other materials.

[0047] Preferably, a partition 224 is fixed inside the filter tube 221, and a central hole is provided on the partition 224. The diameter of the central hole is the same as the inner diameter of the filter cylinder 2231. The end of the filter cylinder 2231 away from the outer cover 2232 contacts and abuts against the partition 224, and the filter cylinder 2231 is connected to the air inlet of the filter tube 221 through the central hole.

[0048] Specifically, a groove 227 is provided on the side of the partition 224 near the installation port of the filter tube 221. The groove 227 is arranged around the central hole, and the end of the filter tube 2231 away from the outer cover 2232 is pressed against the bottom of the groove 227.

[0049] In the above technical solution, the central hole of the baffle 224 (with the same diameter as the inner diameter of the filter cartridge 2231) forms an axially continuous channel, forcing airflow to enter evenly along the central axis of the filter cartridge 2231, avoiding airflow turbulence or edge flow, and ensuring that the entire surface of the filter cartridge 2231 participates in filtration. Dust-laden gas directly impacts the inner wall of the filter cartridge 2231 through the central hole, and large particles of impurities are intercepted due to inertia, thus improving filtration efficiency. The end of the filter cartridge 2231 is rigidly pressed against the bottom of the groove 227 of the baffle 224. To improve sealing, a metal or rubber sealing ring (embedded in the groove 227) can be installed at the bottom of the groove 227 to form an interface seal, preventing unfiltered gas from bypassing and leaking.

[0050] Preferably, a sealing ring 226 is fixed at the installation port of the filter tube 221, and the sealing ring 226 is sleeved on the outer surface of the filter cartridge 2231. The outer diameter of the filter cartridge 2231 is smaller than the inner diameter of the filter tube 221, so that a cavity 225 for gas flow is provided between the filter cartridge 2231 and the filter tube 221. The gas outlet pipe 222 communicates with the cavity 225, and the sealing ring 226 is located at the bottom of the cavity 225.

[0051] In the above technical solution, the annular cavity 225 formed between the outer diameter of the filter cartridge 2231 and the inner diameter of the filter tube 221 serves as a concentrated flow channel for the filtered gas, forcing the airflow to diffuse evenly along the outer surface of the filter cartridge 2231, avoiding local airflow accumulation or eddies. The cavity 225 is directly connected to the outlet pipe 222, forming a directional flow channel of "filtration inside the filter cartridge 2231 → flow convergence in the cavity 225 → outlet discharge through the outlet pipe 222", shortening the airflow path and improving filtration efficiency.

[0052] In summary, by integrating filter 22 into the negative pressure adsorption mechanism, dust and debris are effectively intercepted, solving the problem of negative pressure attenuation and reducing maintenance costs. This addresses the issue of negative pressure attenuation caused by the accumulation of fine particulate impurities in existing cigarette smoke adsorption and positioning devices.

[0053] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A cigarette adsorption and positioning device with a filtering function, comprising a device body (1) and a negative pressure adsorption mechanism (2), wherein the device body (1) is provided with an air cavity, characterized in that: The negative pressure adsorption mechanism (2) includes: a vacuum pump; a connecting pipe for connecting the vacuum pump and the air chamber; and a filter (22) installed on the connecting pipe. The filter (22) includes a filter tube (221) and a filter element (223) located inside the filter tube (221). One end of the filter tube (221) is an air inlet, and the other end is an installation port. An air outlet pipe (222) is connected to the side of the filter tube (221).

2. The cigarette adsorption and positioning device with filtering function according to claim 1, characterized in that: The connecting pipeline includes an air intake pipe (21) and an air delivery pipe; the air intake pipe (21) is connected between the air cavity and the air inlet of the filter pipe (221), and the air delivery pipe is connected between the air outlet pipe (222) and the air inlet of the vacuum pump.

3. The cigarette adsorption and positioning device with filtering function according to claim 1, characterized in that: The filter (22) can be detachably installed on the connecting pipe.

4. The cigarette adsorption and positioning device with filtering function according to claim 1, characterized in that: The filter element (223) is detachable.

5. The cigarette adsorption and positioning device with filtering function according to claim 1, characterized in that: The filter tube (221) is installed vertically on the connecting pipe, and the upper end of the filter tube (221) is an air inlet, and the lower end is an installation port for installing and removing the filter element (223).

6. The cigarette adsorption and positioning device with filtering function according to claim 5, characterized in that: The filter element (223) includes a filter cylinder (2231) and an outer cover (2232). One end of the filter cylinder (2231) is open, and the other end is fixed on the outer cover (2232). The outer cover (2232) is threadedly connected to the mounting port of the filter tube (221).

7. The cigarette adsorption and positioning device with filtering function according to claim 6, characterized in that: A partition (224) is fixed inside the filter tube (221). A central hole is provided on the partition (224). The end of the filter cylinder (2231) away from the outer cover (2232) is in contact with the partition (224). The filter cylinder (2231) is connected to the air inlet of the filter tube (221) through the central hole.

8. The cigarette adsorption and positioning device with filtering function according to claim 7, characterized in that: The partition (224) has a groove (227) on the side near the mounting port of the filter tube (221). The groove (227) is arranged around the central hole. The end of the filter cylinder (2231) away from the outer cover (2232) is pressed against the bottom of the groove (227).

9. A cigarette adsorption and positioning device with a filtering function according to claim 7, characterized in that: A sealing ring (226) is fixed at the installation port of the filter tube (221), and the sealing ring (226) is sleeved on the outer surface of the filter cylinder (2231).

10. A cigarette adsorption and positioning device with a filtering function according to claim 9, characterized in that: The outer diameter of the filter cartridge (2231) is smaller than the inner diameter of the filter tube (221) so that a cavity (225) for gas flow is provided between the filter cartridge (2231) and the filter tube (221), and the gas outlet pipe (222) is connected to the cavity (225).

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