CN214431757U

CN214431757U - Glycerol supply mechanism

Info

Publication number: CN214431757U
Application number: CN202023013464.6U
Authority: CN
Inventors: 潘永华; 李泰�; 杨成波; 张凌; 周文建; 韩金江; 王清平; 姚佳; 杜晶
Original assignee: Hongta Tobacco Group Co Ltd
Current assignee: Hongta Tobacco Group Co Ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-10-22
Anticipated expiration: 2030-12-15

Abstract

The utility model relates to a glycerin supply mechanism, which belongs to the electromechanical equipment of filter stick forming in tobacco industry, and comprises an oil storage tank, an oil pump, a motor, a pressure regulating valve, a diaphragm pressure stabilizing tank, a temperature sensor, a heating rod, an oil pressure gauge, an oil delivery pipe and a glycerin spraying device; the pressure regulating valve and the diaphragm pressure stabilizing tank are arranged on the oil delivery pipe, so that an oil source with more stable pressure can be provided for the glycerol spraying device, and meanwhile, the pressure of the oil source can be flexibly regulated according to the requirement; in addition, the heating rod and the temperature sensor are arranged and matched with each other, the temperature of the glycerin in the oil storage tank can be guaranteed to be stabilized in a specific range, so that an oil source with more stable temperature is provided for the glycerin spraying device, the glycerin spraying device sprays the glycerin with a certain temperature onto the fiber belt of the filter rod in a pressure stabilizing and stabilizing amount, the glycerin amount sprayed onto the unit length of the fiber belt by the nozzle is guaranteed to be fixed and unchanged, and the quality of the filter rod is guaranteed.

Description

Glycerol supply mechanism

Technical Field

The utility model belongs to tobacco industry filter rod shaping electromechanical device, specifically speaking relates to a glycerine feed mechanism.

Background

In the production process of the cigarette filter stick, a polypropylene fiber band or an acetate fiber band needs to be loosened by a high-speed loosening machine, then glycerin heated to a certain temperature is sprayed on the polypropylene fiber band or the acetate fiber band, and then the polypropylene fiber band or the acetate fiber band is sent into a cigarette filter stick forming machine to be manufactured into the cigarette filter stick. The speed of the forming machine per minute is changed according to the size of the cigarette filter stick, but the glycerol amount sprayed on the unit length of the fiber tape by the nozzle is kept constant. The traditional oil injection device adjusts the oil injection quantity by changing the rotating speed of a gear pump through a variable frequency motor, but the nozzle has small pressure, large particles and small impact force; the characteristics of small particles and large impact force when the pressure is high can cause unstable injection pressure, uneven wetting distribution and uneven temperature, thereby influencing the product quality of the cigarette filter stick.

Disclosure of Invention

In order to overcome the problems existing in the background technology, the utility model provides a glycerin supply mechanism, which aims to overcome the defect that the oil pressure and the oil temperature of the existing oil supply mechanism are not well controlled and an oil source with stable temperature and pressure can not be supplied to a glycerin spraying device; meanwhile, the problem that the oil injection quantity of the glycerol injection device cannot be adjusted is solved.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the utility model provides a glycerine feed mechanism includes batch oil tank 1, oil pump 2, three-phase motor 3, air-vent valve 4, diaphragm surge tank 5, temperature sensor 6, heating rod 7, oil pressure gauge 10, send oil pipe 13, spout glycerine device, batch oil tank 1 in install heating rod 7 and temperature sensor 6, the oil inlet of oil pump 2 is connected with batch oil tank 1's oil-out end, three-phase motor 3's power take off end is connected with the power input end of oil pump 2, the oil-out of oil pump 2 with send oil pipe 13 to be connected, send oil pipe 13 to be provided with oil pressure gauge 10, air-vent valve 4 and diaphragm surge tank 5 on, send oil pipe 13's an oil end and spout glycerine device and be connected.

Further, the temperature sensor 6 is connected with a PLC14, and a PLC14 is connected with the heating rod 7 through a relay; the oil pressure gauge 10 is connected with a PLC14, a PLC14 is connected with the pressure regulating valve 4, and a PLC14 is connected with the three-phase motor 3.

Further, the glycerol spraying device comprises an oil spraying tank 2-1, an upper cover 2-2, an oil pressure sensor 2-7 and an oil spraying nozzle 2-9, wherein the oil spraying tank 2-1 is of a box body structure with an opening at the top, the upper cover 2-2 is installed at the top of the oil spraying tank 2-1, a channel through which a filter rod fiber belt 2-6 can conveniently penetrate is arranged between the upper cover 2-2 and the oil spraying tank 2-1, the oil spraying nozzle 2-9 with an upward opening is arranged at the bottom of the oil spraying tank 2-1, the oil spraying nozzle 2-9 is connected with an oil conveying pipe 13, and the oil conveying pipe 13 close to the oil spraying nozzle 2-9 is provided with the oil pressure sensor 2-7.

Further, a glycerin adjusting mechanism is arranged in the oil spraying tank 2-1 and comprises a shielding plate 2-3, a guide rod 2-5, a rack 2-8, a gear 2-10 and a servo motor 2-11, the servo motor 2-11 is arranged at the bottom of the oil spraying tank 2-1, the gear 2-10 located in the inner cavity of the oil spraying tank 2-1 is arranged on a driving shaft of the servo motor 2-11, two side walls below the top opening of the oil spraying tank 2-1 are respectively provided with a guide rod 2-5, two ends of each guide rod 2-5 are respectively fixed on the inner wall of the oil spraying tank 2-1, the shielding plate 2-3 is arranged on the guide rods 2-5 through sliding blocks, the shielding plate 2-3 is located below the top opening of the oil spraying tank 2-1, and the bottom of the shielding plate 2-3 is provided with a rack 2-8 meshed with the gear 2-10.

Furthermore, an origin sensor 2-12 for detecting the return of the shielding plate 2-3 to the original position is installed at the discharge end of the filter rod fiber belt 2-6 of the oil spray tank 2-1, the origin sensor 2-12 is connected with a PLC14, and a PLC14 is connected with a servo motor 2-11.

Furthermore, the bottom of the shielding plate 2-3 is provided with a screen 2-4, and a gap is arranged between the shielding plate 2-3 and the bottom plate surface of the shielding plate 2-3.

Furthermore, an oil return pipe 8 communicated with the inner cavity of the oil spraying tank 2-1 is arranged at the bottom of the oil spraying tank, the oil return pipe 8 is communicated with the oil storage tank 1, and a filter 9 is arranged on the oil return pipe 8.

Further, a liquid level sensor 12 is arranged in the oil storage tank 1, and the liquid level sensor 12 is connected with a PLC 14.

Further, an oil drain pipe 11 with a valve is arranged at the bottom of the oil storage tank 1.

The utility model has the advantages that:

the pressure regulating valve and the diaphragm pressure stabilizing tank are arranged on the oil delivery pipe, so that an oil source with more stable pressure can be provided for the glycerol spraying device, and meanwhile, the pressure of the oil source can be flexibly regulated according to the requirement; in addition, the heating rod and the temperature sensor are arranged and matched with each other, the temperature of the glycerin in the oil storage tank can be guaranteed to be stabilized in a specific range, so that an oil source with more stable temperature is provided for the glycerin spraying device, the glycerin spraying device sprays the glycerin with a certain temperature onto the fiber belt of the filter rod in a pressure stabilizing and stabilizing amount, the glycerin amount sprayed onto the unit length of the fiber belt by the nozzle is guaranteed to be fixed and unchanged, and the quality of the filter rod is guaranteed.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the glycerin spraying device of the present invention;

fig. 3 is a schematic diagram of the control circuit of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the embodiments of the present invention and the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 3, a glycerin supply mechanism includes an oil tank 1, an oil pump 2, a three-phase motor 3, a pressure regulating valve 4, a diaphragm pressure-stabilizing tank 5, a temperature sensor 6, a heating rod 7, an oil pressure gauge 10, an oil feed pipe 13, and a glycerin injection device.

The oil storage tank 1 is internally provided with a heating rod 7 and a temperature sensor 6, an oil inlet of the oil pump 2 is connected with an oil outlet of the oil storage tank 1, a power output end of the three-phase motor 3 is connected with a power input end of the oil pump 2, an oil outlet of the oil pump 2 is connected with an oil delivery pipe 13, the oil delivery pipe 13 is provided with an oil pressure gauge 10, a pressure regulating valve 4 and a diaphragm pressure stabilizing tank 5, and an oil outlet end of the oil delivery pipe 13 is connected with a glycerol spraying device; the utility model discloses in, the glycerine spraying device include spout oil tank 2-1, upper cover 2-2, oil pressure sensor 2-7, fuel sprayer 2-9, spout oil tank 2-1 be an open-topped box structure, spout the top of oil tank 2-1 and install upper cover 2-2, be provided with a passageway that is convenient for filter rod fibre area 2-6 to pass between upper cover 2-2 and the spout oil tank 2-1, the bottom of spout oil tank 2-1 is provided with the oil sprayer 2-9 that the opening is up, oil sprayer 2-9 is connected with oil pipe 13, the oil pipe 13 that send that is close to oil sprayer 2-9 is installed oil pressure sensor 2-7; in the process of spraying the filter rod fiber band 2-6 with glycerin, the filter rod fiber band 2-6 is passed through a passage between the upper cap 2-2 and the oil spray tank 2-1. After glycerol is added into the oil storage tank 1, the glycerol can be heated through the heating rod 7, the temperature can be monitored in real time through the temperature sensor 6 in the process that the glycerol is heated by the heating rod 7, when the glycerol is heated to a certain degree, the oil pump 2 is driven to work through the three-phase motor 3, the glycerol with a certain temperature is pumped out of the oil storage tank 1 and is sent to the glycerol spraying device through the oil sending pipe 13, and the glycerol with a certain pressure is sprayed to the filter rod fiber belts 2-6 through the oil spraying nozzles 2-9; in the process, the filter rod fiber band 2-6 passes through a channel between the upper cover 2-2 and the oil injection tank 2-1 at a high speed, and the oil injection nozzle 2-9 continuously injects the glycerol, so that the glycerol can be rapidly sprayed on the filter rod fiber band 2-6. Meanwhile, the pressure regulating valve 4 and the diaphragm pressure stabilizing tank 5 are arranged on the oil delivery pipe 13, glycerin can enter the diaphragm pressure stabilizing tank 5 firstly, the glycerin is led into the glycerin spraying device from the diaphragm pressure stabilizing tank 5 through the oil delivery pipe 13 after having a certain pressure, the glycerin sprayed by the glycerin spraying device has a certain pressure, meanwhile, the glycerin pressure in the oil delivery pipe 13 can be regulated through the pressure regulating valve 4, and the oil pressure sensors 2-7 further monitor the glycerin sprayed by the oil nozzles 2-9, so that the pressure sent by the diaphragm pressure stabilizing tank 5 is always reported to be consistent.

The bottom of the oil storage tank 1 is also provided with an oil discharge pipe 11 with a valve, and when the oil storage tank 1 needs to be cleaned or the glycerol is not used completely, the glycerol in the oil storage tank 1 can be discharged through the oil discharge pipe 11.

The temperature sensor 6 is connected with a PLC14, and a PLC14 is connected with the heating rod 7 through a relay; the oil pressure gauge 10 is connected with a PLC14, a PLC14 is connected with the pressure regulating valve 4, and a PLC14 is connected with the three-phase motor 3. The oil pressure sensors 2-7 are connected with a PLC 14. The utility model discloses a temperature of temperature sensor 6 collection batch oil tank 1 gives PLC14 with signal transmission, heats the glycerine of batch oil tank 1 by PLC14 control heating rod 7, guarantees that the glycerine in the batch oil tank 1 remains constant temperature throughout. The oil pressure sensors 2-7 and the oil pressure gauge 10 transmit the monitored data to the PLC14, the pressure regulating valve 4 is controlled by the PLC14 to regulate the pressure, the temperature in the oil storage tank 1 and the pressure of the whole oil delivery pipe 13 and the injected glycerin are controlled and regulated in an intelligent control mode, and the glycerin injected by the oil nozzles 2-9 are guaranteed to keep a certain temperature and pressure. A liquid level sensor 12 is arranged in the oil storage tank 1, and the liquid level sensor 12 is connected with a PLC 14; the liquid level of the glycerol in the oil storage tank 1 is detected in real time through the liquid level sensor 12, and the sufficient glycerol in the oil storage tank 1 is ensured to be used for production.

In the utility model, a glycerin adjusting mechanism is arranged in the oil spraying box 2-1, the glycerin adjusting mechanism comprises a shielding plate 2-3, a guide rod 2-5, a rack 2-8, a gear 2-10 and a servo motor 2-11, the servo motor 2-11 is arranged at the bottom of the oil spraying tank 2-1, the gear 2-10 located in the inner cavity of the oil spraying tank 2-1 is arranged on a driving shaft of the servo motor 2-11, two side walls below the top opening of the oil spraying tank 2-1 are respectively provided with a guide rod 2-5, two ends of each guide rod 2-5 are respectively fixed on the inner wall of the oil spraying tank 2-1, the shielding plate 2-3 is arranged on the guide rods 2-5 through sliding blocks, the shielding plate 2-3 is located below the top opening of the oil spraying tank 2-1, and the bottom of the shielding plate 2-3 is provided with a rack 2-8 meshed with the gear 2-10. When the oil injection amount needs to be adjusted, the servo motors 2-11 are started, the servo motors 2-11 drive the gears 2-10 to rotate, the gears 2-10 drive the racks 2-8 meshed with the gears to do linear motion in the rotating process, so that the racks 2-8 drive the shielding plates 2-3 to horizontally reciprocate along the guide rods 2-5 to enable the shielding plates to be located between the filter rod fiber belts 2-6 and the oil injection nozzles 2-9, the shielding of the oil injection nozzles 2-9 is achieved through the shielding plates 2-3, and the adjustment of the oil injection amount of the oil injection nozzles 2-9 injected to the filter rod fiber belts 2-6 is achieved. The bottom of the shielding plate 2-3 is provided with a screen 2-4, and a gap is formed between the shielding plate 2-3 and the bottom plate surface of the shielding plate 2-3; the meshes of the screen 2-4 can disperse the glycerin to reduce the spraying force and prevent the sprayed glycerin from splashing around when being shielded by the shielding plate 2-3.

An origin sensor 2-12 for detecting that the shielding plate 2-3 returns to the original position is arranged at the discharge end of the filter rod fiber belt 2-6 of the oil spray tank 2-1, the origin sensor 2-12 is connected with a PLC14, and a PLC14 is connected with a servo motor 2-11; in the process of moving the shielding plate 2-3, when the shielding plate 2-3 reaches the position of the origin sensor 2-12, the origin sensor 2-12 transmits a signal to the PLC14, and the PLC14 controls the servo motor 2-11 to stop working, so that the shielding plate 2-3 is prevented from moving too much.

An oil return pipe 8 communicated with an inner cavity of the oil spraying tank 2-1 is arranged at the bottom of the oil spraying tank 2-1, the oil return pipe 8 is communicated with the oil storage tank 1, a filter 9 is arranged on the oil return pipe 8, and the surplus glycerin after spraying enters the oil spraying tank 2-1 and flows back to the oil storage tank 1 through the oil return pipe 8 for reuse; in the process of glycerol reflux, the glycerol flowing through the oil return pipe 8 is filtered and impurity removed through the glycerol filter 9.

The utility model discloses a working process:

the filter rod fiber band 2-6 penetrates through a channel between the upper cover 2-2 and the spray oil tank 2-1, after glycerol is added into the oil tank 1, the glycerol can be heated through the heating rod 7, the temperature can be monitored in real time through the temperature sensor 6 in the process that the glycerol is heated by the heating rod 7, when the glycerol is heated to a certain degree, the oil pump 2 is driven to work through the three-phase motor 3, a certain temperature is extracted from the oil tank 1, the glycerol is conveyed to the glycerol spraying device through the oil conveying pipe 13, and the glycerol with a certain pressure is sprayed to the filter rod fiber band 2-6 through the oil nozzle 2-9; in the process, the filter rod fiber band 2-6 passes through a channel between the upper cover 2-2 and the oil injection tank 2-1 at a high speed, and the oil injection nozzle 2-9 continuously injects the glycerol, so that the glycerol can be rapidly sprayed on the filter rod fiber band 2-6. When the oil injection amount needs to be adjusted, the servo motors 2-11 are started, the servo motors 2-11 drive the gears 2-10 to rotate, the gears 2-10 drive the racks 2-8 meshed with the gears to do linear motion in the rotating process, so that the racks 2-8 drive the shielding plates 2-3 to horizontally reciprocate along the guide rods 2-5 to enable the shielding plates 2-3 to be located between the filter rod fiber belts 2-6 and the oil injection nozzles 2-9, the shielding of the oil injection nozzles 2-9 is realized through the shielding plates 2-3, and the adjustment of the oil injection amount of the oil injection nozzles 2-9 injected to the filter rod fiber belts 2-6 is realized; and the excessive glycerol after injection enters the oil injection tank 2-1 and returns to the oil storage tank 1 through an oil return pipe 8 for reuse.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. A glycerin supply mechanism is characterized in that: the glycerol supply mechanism comprises an oil storage tank (1), an oil pump (2), a three-phase motor (3), a pressure regulating valve (4), a diaphragm pressure stabilizing tank (5), a temperature sensor (6), a heating rod (7), an oil pressure gauge (10), an oil delivery pipe (13) and a glycerol spraying device, wherein the oil storage tank (1) is internally provided with the heating rod (7) and the temperature sensor (6), an oil inlet of the oil pump (2) is connected with an oil outlet of the oil storage tank (1), a power output end of the three-phase motor (3) is connected with a power input end of the oil pump (2), an oil outlet of the oil pump (2) is connected with the oil delivery pipe (13), the oil pressure gauge (10), the pressure regulating valve (4) and the diaphragm pressure stabilizing tank (5) are arranged on the oil delivery pipe (13), and an oil outlet end of the oil delivery pipe (13) is connected with the glycerol spraying device.

2. A glycerin supply mechanism according to claim 1, wherein: the temperature sensor (6) is connected with the PLC (14), and the PLC (14) is connected with the heating rod (7) through a relay; the oil pressure gauge (10) is connected with a PLC (14), the PLC (14) is connected with the pressure regulating valve (4), and the PLC (14) is connected with the three-phase motor (3).

3. A glycerin supply mechanism according to claim 1 or 2, wherein: the glycerol spraying device comprises an oil spraying tank (2-1), an upper cover (2-2), an oil pressure sensor (2-7) and an oil spraying nozzle (2-9), wherein the oil spraying tank (2-1) is of a box body structure with an opening at the top, the upper cover (2-2) is installed at the top of the oil spraying tank (2-1), a channel which is convenient for a filter rod fiber band (2-6) to penetrate through is arranged between the upper cover (2-2) and the oil spraying tank (2-1), the oil spraying nozzle (2-9) with an upward opening is arranged at the bottom of the oil spraying tank (2-1), the oil spraying nozzle (2-9) is connected with an oil conveying pipe (13), and the oil conveying pipe (13) close to the oil spraying nozzle (2-9) is provided with the oil pressure sensor (2-7).

4. A glycerin supply mechanism according to claim 3, wherein: the glycerol adjusting mechanism is arranged in the oil spraying tank (2-1) and comprises a shielding plate (2-3), guide rods (2-5), racks (2-8), gears (2-10) and servo motors (2-11), the servo motors (2-11) are arranged at the bottom of the oil spraying tank (2-1), the gears (2-10) positioned in an inner cavity of the oil spraying tank (2-1) are arranged on a driving shaft of the servo motors (2-11), two guide rods (2-5) are respectively arranged on two side walls below an opening at the top of the oil spraying tank (2-1), two ends of each guide rod (2-5) are respectively fixed on the inner wall of the oil spraying tank (2-1), the shielding plate (2-3) is arranged on the guide rods (2-5) through a sliding block, the shielding plate (2-3) is positioned below the top opening of the oil spraying tank (2-1), and the bottom of the shielding plate (2-3) is provided with a rack (2-8) meshed with the gear (2-10).

5. A glycerin supply mechanism according to claim 4, wherein: an origin sensor (2-12) used for detecting that the shielding plate (2-3) returns to the original position is installed at the discharge end of the filter rod fiber belt (2-6) of the oil injection box (2-1), the origin sensor (2-12) is connected with a PLC (14), and the PLC (14) is connected with a servo motor (2-11).

6. A glycerin supply mechanism according to claim 4 or 5, wherein: the screen (2-4) is installed at the bottom of the shielding plate (2-3), and a gap is formed between the shielding plate (2-3) and the bottom plate surface of the shielding plate (2-3).

7. A glycerin supply mechanism according to claim 6, wherein: the bottom of the oil injection tank (2-1) is provided with an oil return pipe (8) communicated with the inner cavity of the oil injection tank, the oil return pipe (8) is communicated with the oil storage tank (1), and the oil return pipe (8) is provided with a filter (9).

8. A glycerin supply mechanism according to claim 1, 2, 4, 5 or 7, wherein: the oil storage tank (1) is internally provided with a liquid level sensor (12), and the liquid level sensor (12) is connected with a PLC (14).

9. A glycerin supply mechanism according to claim 8, wherein: the bottom of the oil storage tank (1) is also provided with an oil discharge pipe (11) with a valve.