CN213513135U

CN213513135U - Plunger oil mist lubricating device and rotary press

Info

Publication number: CN213513135U
Application number: CN202022300705.9U
Authority: CN
Inventors: 李世斌; 王健夫
Original assignee: Beijing Xinlongli Automation Equipment Co ltd
Current assignee: Beijing Xinlongli Automation Equipment Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-06-22
Anticipated expiration: 2030-10-15

Abstract

The utility model relates to a technical field of rotary press, concretely relates to plunger oil mist lubricating arrangement and rotary press. The oil supply unit comprises a lubrication pump station, an oil inlet control piece and an oil distribution piece which are sequentially connected; the air supply unit comprises a compressed air source, an air source processor, an air inlet control piece and an air inlet adjusting piece which are connected in sequence; the atomization unit comprises an oil-gas mixing part, a spiral pipe fitting, an atomization regulating part and an oil mist nozzle part which are sequentially connected, and the oil-gas mixing part is connected with an oil distribution part and an air inflow regulating part; the controller jointly controls the oil supply unit, the air supply unit and the atomization unit. The oil supply unit, the air supply unit and the atomization unit are automatically monitored and controlled on line by the controller according to the operation of equipment, and oil mist is sprayed at a high speed in a timed, quantitative and intermittent output mode, so that the oil mist penetrates through the plunger cover curtain and spreads to the surface of a friction pair of the lubrication unit corresponding to the nozzle, and the lubrication of the surface of the friction pair is optimized.

Description

Plunger oil mist lubricating device and rotary press

Technical Field

The utility model relates to a technical field of rotary press, concretely relates to plunger oil mist lubricating arrangement and rotary press.

Background

The rotary press is a machine for pressing granular materials into shapes by continuous rotation of a rotary table, and is a basic device for pressing various granular materials into cylindrical or special-shaped column forming parts in the industrial departments of powder metallurgy and the like. With the demand of industrial production, the expectations of users for the quality of formed parts are increasing, and the optimization of the performance of a rotary press to obtain a high-quality product while improving the applicability of granular materials and the rationality of the production process is always the direction and the aim of equipment manufacturers.

The general rotary press mainly comprises a charging station, a quantifying station, a pre-pressing station, a main pressing station, a pressure maintaining demoulding station and a workpiece discharging station. The stations are distributed in a circumferential manner, and the upper punch rod and the lower punch rod of the punch die are circulated repeatedly under the coordination action of the guide rail discs through the continuously rotating turntable, so that continuous production is realized. When the rotary press works, granular materials are excessively filled into a middle mold cavity of a punching die rotating along with a rotary table through a feeding mechanism, redundant materials are sequentially metered and recovered through a quantifying mechanism, the materials are preliminarily pressed into a blank and compacted and formed by a main pressing mechanism through exhaust of a prepressing mechanism, then the blank and the main pressing mechanism enter a pressure maintaining demolding station, and finally the middle mold enters a new round of circulation in an emptying state through a workpiece discharging station. The punching die comprises an upper punching rod, a lower punching rod and a middle die and is the most important matching device of the rotary press. Each pair of punching dies is distributed by a rotary table, is installed along the Z-axis direction, is combined with an upper punching plate, a middle punching plate and a lower punching plate of the rotary table to form a fence-shaped circumference and is uniformly distributed, except that a middle die is fixed on the middle punching plate, bidirectional main pressure constant pressure transmitted by the upper main pressing wheel and the lower main pressing wheel is applied to a formed piece through the punching tail end surfaces of the upper punching rod and the lower punching rod in a main pressing station, the upper punching rod and the lower punching rod which rotate rapidly along with the rotary table in a circulating process also slide up and down through the punching bodies of the upper punching rod and the lower punching rod by taking. Therefore, more severe requirements are provided for uniform lubrication of the punching body of the upper punch and the lower punch, the punching of the punching disc, the punching of the tail end face and the surface of the excircle friction pair of the main pinch roller.

However, in the prior art, the lubrication of the upper punch rod and the lower punch rod of the rotary press is implemented in the oil drop mode of 'spray irrigation' or 'drip irrigation' brush coating with small oil quantity, so that the friction resistance in the processes of lifting the punch rods and pressing the pressing wheel is reduced. The pouring or brushing in the technology has the defects that new oiling liquid on the outer side of the punching body hardly penetrates through the punch rod cover curtain to enter the inner side of the punching body, and even if oil liquid exists on the inner side of the punching body, the oil liquid cannot be retained due to the action of the rotating centrifugal force of the rotary table, so that the oil drops in the form can obviously not be distributed on the sliding surface of the punching body, and the uniform oil film is not expected to be formed on the punching body.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a jumper bar oil mist lubricating arrangement and rotary press lubricate equipment through the mode that provides a ration intermittent type output oil mist for the vice surface of friction forms even oil film, provides reliable guarantee for stable high-efficient operation of equipment and isopycnic shaping.

In order to achieve the purpose, the technical scheme adopted by the utility model is to provide a plunger oil mist lubrication device, which comprises an oil supply unit, an air supply unit, an atomization unit and a controller, wherein the oil supply unit comprises a lubrication pump station, an oil inlet control part and an oil distribution part which are connected in sequence; the air supply unit comprises a compressed air source, an air source processor, an air inlet control piece and an air inlet adjusting piece which are connected in sequence; the atomization unit is provided with a plurality of groups, each group is sequentially connected with an oil-gas mixing part, a spiral pipe fitting, an atomization regulating part and an oil mist nozzle part, and the oil-gas mixing part is connected with the oil mass distribution part and the air input regulating part; the controller jointly controls the oil supply unit, the air supply unit and the atomization unit.

Further, the oil mist nozzle member ejects oil mist in a conical shape.

Furthermore, the lubrication pump station is provided with an oil supply overflow valve and an oil return back pressure valve.

Further, the oil supply safety pressure of the oil supply overflow valve is greater than the starting pressure of the oil return back pressure valve.

The utility model also provides a rotary press, including lubricating unit and as above-mentioned jumper bar oil mist lubricating arrangement, jumper bar oil mist lubricating arrangement is right lubricating unit is lubricated.

Furthermore, the lubricating unit comprises a lower punch disc group, an upper punch disc group, a lower pressing wheel piece and an upper pressing wheel piece, and at least one group of atomizing units is arranged on one side of each of the lower punch disc group, the upper punch disc group, the lower pressing wheel piece and the upper pressing wheel piece.

Further, the number of the air inflow adjusting pieces corresponds to the number of the oil-gas mixture pieces, and the air consumption of the oil-gas mixture pieces is adjusted by the air inflow adjusting pieces.

Furthermore, the air inlet control part comprises a plunger reversing air valve and a pinch roller reversing air valve, the plunger reversing air valve controls the on-off switching of the air used by the atomization units on one side of the lower plunger group and one side of the upper plunger group, and the pinch roller reversing air valve controls the on-off switching of the air used by the atomization units on one side of the lower pinch roller part and one side of the upper pinch roller part.

Furthermore, the number of the output ports of the oil distribution part corresponds to the number of the oil-gas mixing parts, and the oil distribution part quantitatively conveys oil to the oil-gas mixing parts.

Furthermore, the oil inlet control piece comprises a plunger reversing oil valve and a pinch roller reversing oil valve, the plunger reversing oil valve controls the on-off switching of the oil for the atomizing units on one side of the lower plunger punching group and one side of the upper plunger punching group, and the pinch roller reversing oil valve controls the on-off switching of the oil for the atomizing units on one side of the lower pinch roller piece and one side of the upper pinch roller piece.

The beneficial effects of the utility model reside in that:

1. the oil supply unit, the air supply unit and the atomization unit are automatically monitored and controlled on line by the controller according to the operation requirement of the equipment, and oil mist is sprayed at high speed in a timed, quantitative and intermittent output mode, so that the surface of a friction pair of the lubrication unit is uniformly lubricated, and the cleaning and cooling effects are achieved. The timing and quantitative intermittent output mode is characterized in that the rhythm of the set oil mist supply time period is coordinated and adapted with the rotating speed of a rotary press turntable, so that the oil mist smoothly passes through a punch rod cover curtain to cover the surface of a friction pair of a lubricating unit corresponding to a nozzle in a diffused manner, and the lubrication, cleaning and cooling of the surface of the friction pair are further optimized.

2. The oil mist nozzle piece sprays oil mist in a conical shape, the capability of the oil mist to penetrate through the dynamic plunger rod cover curtain is improved, and a uniform oil film is formed better, so that the functions of lubrication, cleaning, cooling and the like are implemented.

3. And the oil supply overflow valve and the oil return back pressure valve are respectively used for setting the oil supply pressure of the system and the oil return starting pressure of the oil inlet control piece.

4. Through grouping the atomizing unit that sets up, can be respectively to the vice surface high-speed oil mist that sprays of friction such as lower ram towards the dish group, upper ram towards the dish group, lower pinch roller group and last pinch roller group, and the fuel injection quantity of every group atomizing unit can carry out the oil mass according to the structure at lubricated position and vice surface area of friction and set for the regulation, both can save the fuel injection quantity, can guarantee the high efficiency of each work flow of equipment again better, reliably move and the quality of ultimate isopycnic formed part.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic diagram of a plunger oil mist lubrication device according to an embodiment of the present invention;

fig. 2 is an expanded schematic view of a die of a rotary press according to an embodiment of the present invention;

fig. 3 is a schematic view of a lubrication portion of a lower punch used in a rotary press according to an embodiment of the present invention;

fig. 4 is a schematic view of a lubrication portion of an upper punch used in a rotary press according to an embodiment of the present invention.

Description of reference numerals:

100. an oil supply unit; 110. lubricating a pump station; 111. an oil supply overflow valve; 112. an oil return back pressure valve; 120. an oil inlet control piece; 121. a ram reversing oil valve; 122. a pinch roller reversing oil valve 130 and an oil distribution part; 200. an air supply unit; 210. a compressed air source; 220. an air source processor; 230. an intake control member; 231. a ram reversing air valve; 232. a pinch roller reversing air valve; 240. an intake air amount adjusting member; 300. an atomizing unit; 310. an oil-gas mixing part; 320. a helical pipe member; 330. an atomization adjustment member; 340. an oil mist nozzle member; 400. a lubrication unit; 410. a lower punch punching disc set; 411. a lower punch bar; 412. punching the body of the lower punch; 413. punching the tail end face of the lower punch; 414. downward punching the disc; 415. lower punching; 420. an upper punch plate group; 421. punching a rod piece; 422. punching the body of the upper punch; 423. punching the tail end face of the upper punch; 424. punching a disc upwards; 425. punching the upper part; 430. pressing down the wheel piece; 431. pressing the outer circle of the wheel; 440. an upper pinch roller member; 441. the excircle of the upper pinch roller; 500. an upper guide rail disc; 600. a middle punching disc; 610. a middle mold; 700. and a lower guide plate.

a. The device comprises a feeding station, a b quantifying station, a c prepressing station, a d main pressing station, an e pressure maintaining and demolding station and a f workpiece discharging station.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

Referring to fig. 1, the oil spray lubrication apparatus for a plunger according to an embodiment of the present invention includes an oil supply unit 100, an air supply unit 200, an atomizing unit 300, and a controller, wherein the oil supply unit 100 includes a lubrication pump station 110, an oil inlet control 120, and an oil distribution member 130, which are connected in sequence; the air supply unit 200 comprises a compressed air source 210, an air source processor 220, an air inlet control member 230 and an air inlet amount adjusting member 240 which are connected in sequence; the atomization unit 300 is provided with a plurality of groups, each group is sequentially connected with an oil-gas mixing part 310, a spiral pipe fitting 320, an atomization regulating part 330 and an oil mist nozzle part 340, and the oil-gas mixing part 310 is connected with an oil amount distribution part 130 and an air inflow regulating part 240; the controller jointly controls the oil supply unit 100, the air supply unit 200, and the atomization unit 300.

The oil supply unit 100, the air supply unit 200 and the atomization unit 300 are automatically monitored and controlled on line by a controller according to the operation requirement of the equipment, and oil mist is blown at a high speed in a timed and quantitative intermittent output mode, so that the uniform lubrication of the surfaces of friction pairs of the lubrication unit 400 is realized, and the cleaning and cooling effects are realized. The timing and quantitative intermittent output mode is characterized in that the rhythm of the set oil mist supply time period is coordinated and adapted with the rotating speed of the rotary press rotary table, so that the oil mist smoothly passes through the punch rod cover curtain to cover the surface of the friction pair of the lubricating unit 400 corresponding to the nozzle in a diffused manner, and the lubrication, cleaning and cooling of the surface of the friction pair are further optimized.

Specifically, the lubrication pumping station 110, the oil inlet control 120, and the oil distribution member 130 are connected in series by piping to the oil inlet of the oil-air mixing element 310. The lubrication pump station 110 is supplied with pressure oil, the lubrication pump station 110 is used as a power source and is also provided with an oil supply overflow valve 111 and an oil return back pressure valve 112, the oil supply safety pressure at the oil supply overflow valve 111 is P1, the starting pressure at the back pressure valve is P2, and P1 is more than P2. Which are used to set the system oil supply pressure and the return oil start pressure of the oil feed control 120, respectively. The oil inlet control piece 120 is used for controlling on-off switching of oil conveying, recovering residual oil or blocked branch oil, preventing pipeline breakage and reducing oil consumption and pollution. An oil distribution member 130 is provided for metering oil to the oil-gas mixture 310.

Specifically, the compressed air source 210, the source processor 220, the intake control member 230 and the intake air amount adjustment member 240 are connected in series by piping to the gas input port of the air/fuel mixture 310. The air source processor 220 is arranged for filtering moisture and setting air supply pressure to ensure the quality of the air source. The air inlet control member 230 is used for controlling on-off switching of compressed air delivery and synchronously acts with the connected oil inlet control member 120. The air inflow adjusting member 240 is provided to adjust the amount of compressed air introduced into the oil gas mixer in order to obtain a good atomization effect.

Specifically, the oil-air mixture piece 310, the spiral pipe piece 320, the atomization regulating piece 330 and the oil mist nozzle piece 340 are connected in series by pipelines, the front end of the oil-air mixture piece 310 is respectively connected with the oil amount distributing piece 130 and the output port of the air intake amount regulating piece 240, and the oil mist nozzle piece 340 blows oil mist to the lubricating part. The oil-gas mixing component 310 is used for atomizing liquid oil into tiny oil particles with the diameter of 1-3 mu m through high-speed airflow of compressed air, so that oil and gas are fully mixed to form oil mist. A spiral pipe member 320 is provided for buffering the oil mist pressure from impacting and storing the residual oil mist. An atomization adjustment member 330 is provided for adjusting the concentration of the oil mist output from the nozzle. The oil mist nozzle piece 340 is used for ejecting oil mist in a cone shape and the like at a high speed, penetrating through the dynamic plunger cover curtain and covering the surface of the friction pair in a diffused manner to form a uniform oil film for lubrication, and cleaning and cooling the surface of the friction pair when the oil mist is ejected.

Example 2

Referring to fig. 1 to 4, a rotary press provided as an embodiment of the present invention includes a feeding station a, a quantifying station b, a pre-pressing station c, a main pressing station d, a pressure maintaining demolding station e, and a workpiece discharging station f, and each station of the process is circumferentially arranged. The upper punch member 421 and the lower punch member 411 of the die are circulated repeatedly by the coordination of the upper guide plate 500 and the lower guide plate 700 by the continuously rotating turntable, so that continuous production is realized. When the rotary press works, granular materials are excessively filled into a cavity of the middle die 610 of the die rotating along with the rotary table through the feeding mechanism, redundant materials are sequentially metered and recovered through the quantifying mechanism, the materials are preliminarily pressed into a blank and compacted and formed through the exhaust of the prepressing mechanism, then the blank and the main pressing mechanism enter a pressure maintaining demolding station e, and finally the middle die 610 enters a new round of circulation in an empty state through the workpiece discharging station. The die comprises an upper punch bar 421, a lower punch bar 411 and a middle die 610, and is the most important matching device of the rotary press; each pair of punching dies are distributed on the circumference of the rotary table, are arranged along the Z-axis direction, are combined with an upper punching plate 424, a middle punching plate 600 and a lower punching plate 414 of the rotary table to form a fence-shaped circumference and are uniformly distributed, except that a middle die 610 is fixed on the middle punching plate 600, bidirectional main pressure constant pressure transmitted by an upper pressing wheel piece 440 and a lower pressing wheel piece 430 is applied to a formed piece through the punching tail end surfaces of the upper punching rod piece 421 and the lower punching rod piece 411 in a main pressing station, the upper punching rod piece 421 and the lower punching rod piece 411 which rotate rapidly along with the rotary table in the circulation process also slide up and down through the punching bodies of the punching dies by taking the punching plate as the guide, and a movable. Therefore, the punch body and the punch disc of the upper and lower punch rods 411, the punch tail end face and the surface of the excircle friction pair of the pressing wheel piece are lubricated by the punch rod oil mist device described in embodiment 1.

The oil mist lubrication device for the plunger rod is driven by oil supply and air supply, is controlled by online monitoring of the controller, and is started and stopped synchronously with the main machine of the rotary press, so that energy conservation, oil conservation, low pollution, easy maintenance and more sufficient production time are realized. The oil mist is sprayed intermittently to the surface of the friction pair in proper shape, such as cone, and through the punch rod curtain to lubricate, clean and cool timely. The timing quantification is set to be grouped according to the conditions of the structure, the surface area and the like of the friction pair so as to set the supply time of the oil liquid and the interval time of the two supplies. The intermittent high-speed injection is set as multiple times of intermittent output in the oil supply time period, and the beat of the intermittent high-speed injection is coordinated and adapted with the rotating speed of the rotary table, so that oil mist smoothly passes through the punch rod cover curtain to cover the sliding surface of the punch rod cover curtain and form a uniform oil film.

Specifically, the friction pairs form a lubrication unit 400, the lubrication unit 400 is arranged in groups according to the conditions of the structure, the surface area and the like of the friction pairs, and the lubrication unit 400 comprises a lower punch disc group 410, an upper punch disc group 420, a lower pressing wheel piece 430 and an upper pressing wheel piece 440. The friction pair of the lower punch disc group 410 consists of a lower punch body 412 and a lower punch tail end face 413 of a lower punch rod 411 and a lower punch 415 of a lower punch disc 414; the friction pair of the upper punch disc set 420 consists of an upper punch body 422 and a rear punch end face 423 of the upper punch 421 and an upper punch hole 425 of the upper punch disc 424; the friction pair of the lower pinch roller piece 430 consists of a lower pinch roller outer circle 431; the friction pair of the upper pinch roller unit 440 is composed of an upper pinch roller outer circle 441. At least one set of atomizing units 300 is respectively arranged on one side of the lower punch disc group 410, the upper punch disc group 420, the lower pressing wheel member 430 and the upper pressing wheel member 440. In this embodiment, one set of atomizing units 300 is respectively disposed on one side of the lower punch disc set 410, the upper punch disc set 420, the lower punch member 430 and the upper punch member 440, that is, four sets of atomizing units 300 are provided. The oil mist nozzle pieces 340 in each group have the same structural parameters, the atomization regulating pieces 330 in each group have the same structural parameters, the spiral pipe pieces 320 in each group have the same structural parameters, and the oil-gas mixture pieces 310 in each group have the same structural parameters. The number of the intake air amount adjusting pieces 240 corresponds to the number of the atomizing units 300, i.e., one intake air amount adjusting piece 240 is provided for each set of the atomizing units 300. The intake air amount adjuster 240 of each group is the same in size. The air inlet control member 230 comprises a plunger reversing air valve 231 and a pinch roller reversing air valve 232, the plunger reversing air valve 231 controls on-off switching of air used by the atomizing units 300 on one side of the lower plunger punch set 410 and the upper plunger punch set 420, and the pinch roller reversing air valve 232 adjusts on-off switching of air used by the atomizing units 300 on one side of the lower pinch roller member 430 and the upper pinch roller member 440. The number of the output ports of the oil distribution member 130 corresponds to the number of the atomizing units 300, that is, one oil distribution member 130 is arranged at the front end of each group of atomizing units 300, the oil inlet control member 120 comprises a plunger reversing oil valve 121 and a pinch roller reversing oil valve 122, the plunger reversing oil valve 121 controls the on-off switching of the oil used by the atomizing units 300 on one side of the lower plunger punch set 410 and the upper plunger punch set 420, and the pinch roller reversing oil valve 122 adjusts the on-off switching of the oil used by the atomizing units 300 on one side of the lower pinch roller member 430 and the upper pinch roller member 440. The same set of oil intake controls 120 act in synchronization with the air intake controls 230.

By grouping the atomizing units 300, oil mist can be respectively sprayed to the surfaces of the friction pairs of the lubricating units 400 such as the lower punch disc group 410, the upper punch disc group 420, the lower pinch roller member 430, the upper pinch roller member 440 and the like at a high speed, and the oil injection quantity of each group of atomizing units 300 can be set and adjusted according to the structure of the lubricating part and the surface area of the friction pair, so that the oil injection quantity can be saved, and the high-efficiency and reliable operation of each working process of equipment and the quality of the final equal-density molded part can be better ensured.

As a variable embodiment, the atomizing units 300 may be provided in two, three, or more groups, and the specific number thereof may be set according to actual needs, and at the same time, the oil supply unit 100 and the air supply unit 200 may be correspondingly adjusted.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A ram oil mist lubrication apparatus, comprising:

the oil supply unit (100) comprises a lubrication pump station (110), an oil inlet control part (120) and an oil distribution part (130) which are connected in sequence;

the air supply unit (200) comprises a compressed air source (210), an air source processor (220), an air inlet control part (230) and an air inlet quantity adjusting part (240) which are connected in sequence;

the atomizing unit (300) is provided with a plurality of groups, each group is sequentially connected with an oil-gas mixing part (310), a spiral pipe fitting (320), an atomizing regulating part (330) and an oil mist nozzle part (340), and the oil-gas mixing part (310) is connected with the oil mass distribution part (130) and the air inflow regulating part (240);

and the controller is used for jointly controlling the oil supply unit (100), the air supply unit (200) and the atomization unit (300).

2. A plunger oil mist lubrication device as claimed in claim 1, characterised in that said oil mist nozzle member (340) ejects oil mist in the shape of a cone.

3. A ram oil mist lubrication device according to claim 1, characterised in that the lubrication pumping station (110) is provided with an oil supply overflow valve (111) and an oil return back pressure valve (112).

4. A ram oil mist lubrication device according to claim 3, characterised in that the oil supply relief valve (111) has an oil supply safety pressure which is greater than the activation pressure of the back-pressure oil valve (112).

5. A rotary press, comprising a lubrication unit (400) and a ram oil mist lubrication device according to any of claims 1-4, said ram oil mist lubrication device lubricating said lubrication unit (400).

6. A rotary press according to claim 5, characterised in that the lubricating unit (400) comprises a lower punch disc set (410), an upper punch disc set (420), a lower pressure wheel element (430) and an upper pressure wheel element (440), and that at least one set of the atomising units (300) is provided on one side of the lower punch disc set (410), the upper punch disc set (420), the lower pressure wheel element (430) and the upper pressure wheel element (440), respectively.

7. A rotary press according to claim 6, characterised in that the number of intake air adjusting members (240) corresponds to the number of air/fuel mixtures (310), the intake air adjusting members (240) adjusting the air consumption of the air/fuel mixtures (310).

8. A rotary press according to claim 6, wherein the inlet control member (230) comprises a ram reversing air valve (231) and a pinch roller reversing air valve (232), the ram reversing air valve (231) controlling the on/off switching of the air used by the atomizing units (300) on the side of the lower ram stack (410) and the upper ram stack (420), and the pinch roller reversing air valve (232) controlling the on/off switching of the air used by the atomizing units (300) on the side of the lower pinch roller member (430) and the upper pinch roller member (440).

9. A rotary press according to claim 6, characterised in that the number of outlets of the oil quantity distributor (130) corresponds to the number of oil/gas mixtures (310), the oil quantity distributor (130) dosing the oil/gas mixtures (310).

10. The rotary press of claim 6, wherein the oil inlet control member (120) comprises a plunger reversing oil valve (121) and a pinch roller reversing oil valve (122), the plunger reversing oil valve (121) controls the on-off switching of oil for the atomizing units (300) on one side of the lower plunger punch stack group (410) and the upper plunger punch stack group (420), and the pinch roller reversing oil valve (122) controls the on-off switching of oil for the atomizing units (300) on one side of the lower pinch roller member (430) and the upper pinch roller member (440).