CN219256103U

CN219256103U - Ethylene propylene diene monomer rubber mixing device

Info

Publication number: CN219256103U
Application number: CN202320127910.0U
Authority: CN
Inventors: 尹聪聪; 魏振伍; 刘鹏云; 杨桃; 郭战明
Original assignee: Zhengzhou Kudi New Material Technology Co ltd
Current assignee: Zhengzhou Kudi New Material Technology Co ltd
Priority date: 2023-01-13
Filing date: 2023-01-13
Publication date: 2023-06-27
Anticipated expiration: 2033-01-13

Abstract

The ethylene propylene diene monomer rubber mixing device comprises a tank body, wherein a stirring bin is fixedly connected inside the tank body, a stirring mechanism is rotationally connected with the stirring bin, a first cleaning component which can clean the inside of the stirring bin is arranged on the stirring mechanism, and an intermittent blanking mechanism is arranged at the bottom of the stirring bin; the bottom of the stirring bin is provided with a mixing bin, a pair of mixing rollers are rotationally connected in the mixing bin, a second cleaning assembly capable of cleaning the side wall of the mixing rollers is arranged in the tank body, and a heat dissipation mechanism is arranged in the mixing bin; according to the utility model, raw rubber and a compounding agent can be mixed more uniformly before mixing, the inside of a stirring bin can be cleaned in the stirring process, and after the raw rubber is extruded and mixed by two mixing rollers, the side wall of the mixing roller can be cleaned by a cleaning mechanism, so that raw materials are prevented from being adhered to the side wall of the mixing roller, and the subsequent mixing effect is prevented from being influenced; the heat dissipation mechanism is arranged, so that the temperature reduction effect on the mixing roller is good.

Description

Ethylene propylene diene monomer rubber mixing device

Technical Field

The utility model relates to the technical field of ethylene propylene diene monomer production, in particular to an ethylene propylene diene monomer mixing device.

Background

Ethylene propylene diene monomer is a copolymer of ethylene, propylene and a small amount of non-conjugated diene, is one of ethylene propylene rubbers, and has excellent ozone resistance, heat resistance, weather resistance and other ageing resistance because the main chain of the ethylene propylene diene monomer is composed of chemically stable saturated hydrocarbon and only contains unsaturated double bonds in side chains, so the ethylene propylene diene monomer can be widely applied to the fields of automobile parts, waterproof materials for buildings, wire and cable sheaths, heat-resistant rubber tubes, adhesive tapes, automobile sealing parts and the like.

The ethylene propylene diene monomer rubber mixing process is similar to the common rubber mixing process, raw rubber or plasticated raw rubber and a compounding agent are mixed into mixed rubber, and the mixing device used at present is also a common rubber mixing device in the prior art. There are various patents related to mixing devices in the prior art, for example, patent application number 202122011664.6 discloses a mixing device for producing rubber sealing rings, which comprises a tank body, a blanking hopper and a partition plate which are sequentially arranged in the tank body from top to bottom, and a stirring mechanism, a mixing mechanism and a discharging mechanism which are arranged in the tank body. The utility model is provided with the receiving disc, the bottom of the receiving disc is provided with a plurality of matching agent discharging holes, the matching agent firstly falls onto the receiving disc, and along with the rotation of the receiving disc, the matching agent can uniformly fall onto the raw rubber through the matching agent discharging holes, so that the raw rubber and the matching agent are mixed more uniformly. However, the utility model has no cleaning structure, raw materials are easy to remain on the inner wall of the stirring mechanism and the mixing roller, waste of the raw materials is easy to be caused, the practicability is poor, and the heat dissipation time of the mixing roller is long.

Disclosure of Invention

In order to solve the problems described above, the present utility model provides an ethylene propylene diene monomer rubber kneading apparatus.

The specific technical scheme is as follows: the device comprises a tank body, wherein a stirring bin is fixedly connected inside the tank body, a stirring mechanism is rotationally connected inside the stirring bin, a first cleaning component which can clean the inside of the stirring bin is arranged on the stirring mechanism, a discharging pipe is arranged at the top of the stirring bin, and an intermittent discharging mechanism is arranged at the bottom of the stirring bin; the bottom of the stirring bin is provided with a mixing bin, a pair of mixing rollers are rotationally connected in the mixing bin, the two mixing rollers are arranged side by side and have opposite rotation directions, a second cleaning component which can clean the side wall of the mixing roller is arranged in the tank body, the bottom of the mixing bin is provided with a through hole, and a heat dissipation mechanism is arranged in the mixing bin; the bottom of the mixing bin is provided with a conveying bin, and a conveying mechanism capable of conveying mixed raw materials is arranged in the conveying bin.

Preferably, the stirring mechanism comprises a stirring shaft which is rotationally connected inside the stirring bin, a stirring rod is fixedly connected to the stirring shaft, a driving motor is installed at the top of the tank body, and the top of the stirring shaft penetrates through the top surface of the tank body and is fixedly connected with an output shaft of the driving motor.

Preferably, the first cleaning component comprises a first scraping plate, the first scraping plate is fixedly connected with the stirring shaft through a connecting rod, the first scraping plate is in contact with the side wall of the stirring bin, and the side wall, close to the stirring bin, of the first scraping plate is fixedly connected with a rubber layer.

Preferably, the intermittent blanking mechanism comprises an electric push rod fixedly connected to the inner side wall of the tank body, a blanking channel is fixedly connected to the bottom of the stirring bin, a transverse baffle is connected to the blanking channel in a sliding mode, a round hole matched with a hole in the bottom of the blanking channel is formed in the transverse baffle, an output shaft of the electric push rod is fixedly connected with a vertical plate, and the other side face of the vertical plate is fixedly connected with the transverse baffle.

Preferably, the second clearance subassembly includes threaded connection at the threaded rod of jar body lateral wall, and the threaded rod is located jar outside one end fixedly connected with stem, the other end rotation of threaded rod is connected with the fixed plate, and the spout has been seted up to the bottom surface in mixing bin, fixedly connected with slide bar in the spout, sliding connection has the sliding sleeve on the slide bar, the top surface of sliding sleeve and the bottom surface fixed connection of fixed plate, the side fixedly connected with telescopic scraping wall spare of threaded rod is kept away from to the fixed plate.

Preferably, the scraping wall piece comprises a fixed cavity fixedly connected to the side wall of the fixed plate, a movable plate is slidably connected in the fixed cavity, the inner side wall of the movable plate is fixedly connected with the fixed cavity through a plurality of springs, the other end of the movable plate is fixedly connected with a second scraping plate, and the second scraping plate penetrates through the side wall of the fixed cavity.

Preferably, the heat dissipation mechanism comprises a pair of ventilation cavities fixedly connected to the side wall of the mixing bin, ventilation holes are formed in the left side wall and the right side wall of each ventilation cavity, a blower is arranged in each ventilation cavity on any side, and an exhaust fan is arranged in the other ventilation cavity.

Preferably, the conveying mechanism comprises a conveying belt structure arranged in the conveying bin, and the side wall of the conveying bin is provided with a discharging hole.

Preferably, the stirring bin is fixedly connected to the side wall of the tank body through an auxiliary rod.

The utility model provides an ethylene propylene diene monomer rubber mixing device, which has the beneficial effects that compared with the prior art:

(1): according to the utility model, raw rubber and a compounding agent are added into the stirring bin, the raw rubber and the compounding agent are fully stirred through the stirring mechanism, the bottom of the stirring bin is sealed through the intermittent blanking mechanism in the stirring process, so that the raw rubber and the compounding agent are mixed more uniformly before mixing, the inside of the stirring bin can be cleaned in the stirring process, the condition of raw material residue in the stirring bin is avoided, the use of raw materials is saved, and meanwhile, the practicability of the device is improved;

(2): according to the utility model, after the raw rubber is extruded and mixed by the two mixing rolls, the side wall of the mixing rolls can be cleaned by the cleaning mechanism, so that raw materials are prevented from being adhered to the side wall of the mixing rolls, and the subsequent mixing effect is prevented from being influenced;

(3): the utility model is provided with the heat dissipation mechanism, can extract external wind and blow the external wind to the outer side of the mixing roller, and extract the hot wind in the mixing bin, thereby cooling the mixing roller and ensuring good heat dissipation effect.

Drawings

Fig. 1: is the whole structure diagram of the utility model.

Fig. 2: an enlarged view of the portion a in fig. 1.

Fig. 3: is a bottom view of the intermittent blanking mechanism in the utility model.

Fig. 4: the wall scraping piece structure diagram is shown in the specification.

Fig. 5: is a structural diagram of a blower in the utility model.

Fig. 6: the structure diagram of the exhaust fan in the utility model is shown.

In the figure: 1-tank body, 2-stirring bin, 3-blanking pipe, 4-mixing bin, 5-mixing roller, 6-through hole, 7-conveying bin, 8-stirring shaft, 9-stirring rod, 10-driving motor, 11-first scraper, 12-connecting rod, 13-rubber layer, 14-electric push rod, 15-blanking channel, 16-transverse baffle, 17-round hole, 18-riser, 19-threaded rod, 20-rotating handle, 21-fixed plate, 22-chute, 23-slide bar, 24-sliding sleeve, 25-fixed cavity, 26-movable plate, 27-spring, 28-second scraper, 29-ventilation cavity, 30-ventilation hole, 31-blower, 32-exhaust fan, 33-discharge hole and 34-auxiliary rod.

Detailed Description

The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which may be made by those skilled in the art without the inventive faculty, are intended to be within the scope of the present utility model, and in the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on the drawings, which are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying any particular importance in the description of the present utility model, but rather as being construed broadly as the terms "mounted," "connected," "coupled," or "connected" unless expressly specified or limited otherwise, e.g., as either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model will now be described in further detail by way of specific examples of embodiments in connection with the accompanying drawings.

Embodiment one: as shown in fig. 1 and 2, the ethylene propylene diene monomer rubber mixing device comprises a tank body 1, wherein a stirring bin 2 is fixedly connected to the inside of the tank body 1, the top of the stirring bin 2 is welded to the inside of the tank body 1, the stirring bin 2 is fixedly connected to the side wall of the tank body 1 through an auxiliary rod 34, and two ends of the auxiliary rod 34 are fixedly connected with the stirring bin 2 and the tank body 1 respectively.

The unloading pipe 3 is installed at the top of stirring storehouse 2, and unloading pipe 3 welds in the top surface of stirring storehouse 2, and one of them unloading pipe 3 is used for putting in raw rubber raw materials, and another unloading pipe 3 is used for putting in the compounding agent.

The stirring bin 2 is rotationally connected with a stirring mechanism, and a first cleaning component which can clean the inside of the stirring bin 2 is arranged on the stirring mechanism.

Wherein, rabbling mechanism is including rotating the (mixing) shaft 8 of connection in stirring storehouse 2 inside through the bearing, welded fixedly connected with puddler 9 on the (mixing) shaft 8, and driving motor 10 is installed at the top of jar body 1, and driving motor 10 adopts prior art, and driving motor 10 passes through bolt fixed connection at the top surface of jar body 1, and the top of (mixing) shaft 8 runs through the top surface of jar body 1 and passes through shaft coupling fixed connection with driving motor 10's output shaft.

Wherein, first clearance subassembly includes first scraper blade 11, and first scraper blade 11 passes through connecting rod 12 and (mixing) shaft 8 fixed connection, and connecting rod 12's both ends respectively with first scraper blade 11, (mixing) shaft 8 welded fastening connection, first scraper blade 11 contacts with the lateral wall of stirring storehouse 2, and the lateral wall that first scraper blade 11 is close to stirring storehouse 2 passes through glue fixedly connected with rubber layer 13.

Starting driving motor 10, driving motor 10 drives (mixing) shaft 8 and rotates, and (mixing) shaft 8 rotates puddler 9 at inside rotation of stirring storehouse 2, to adding inside raw rubber of stirring storehouse 2 and the intensive mixing of complexing agent, first scraper blade 11 clears up stirring storehouse 2 inside when stirring, avoids taking place the remaining condition of raw materials in the stirring storehouse 2, practices thrift the use of raw materials, has improved the device practicality simultaneously.

The bottom of the stirring bin 2 is provided with an intermittent blanking mechanism, and the bottom of the stirring bin 2 can be sealed through the intermittent blanking mechanism in the stirring process, so that raw rubber and a compounding agent are mixed more uniformly before mixing.

The bottom of stirring storehouse 2 is provided with mixing storehouse 4, through-hole 6 has been seted up to the bottom of mixing storehouse 4, mixing storehouse 4 internal rotation is connected with a pair of mixing roller 5, the center pin of mixing roller 5 passes through the inside of bearing rotation connection at mixing storehouse 4, two mixing rollers 5 set up side by side and the rotation direction is opposite, the outside welding at jar body 1 has a pair of motor board, all install first motor on every motor board, first motor adopts prior art, not drawing in the figure, first motor passes through bolt fixed connection on motor board, the center pin of mixing roller 5 passes through shaft coupling fixed connection with the output shaft of first motor, two first motors drive two mixing rollers 5 opposite directions rotation respectively, two mixing rollers 5 extrude the raw rubber after the stirring.

The inside of jar body 1 is provided with the second clearance subassembly that can clear up mixing roll 5 lateral wall, wherein, the second clearance subassembly includes the threaded rod 19 through threaded connection at jar body 1 lateral wall, the threaded rod 19 is located jar outside one end welded fixedly connected with turning handle 20, the other end of threaded rod 19 is connected with fixed plate 21 through the bearing frame rotation, spout 22 has been seted up to mixing bin 4's bottom surface, welded fixedly connected with slide bar 23 in the spout 22, sliding connection has sliding sleeve 24 on the slide bar 23, sliding sleeve 24's top surface and fixed plate 21's bottom surface welded fixedly connected, the side fixedly connected with telescopic scraping wall spare that threaded rod 19 was kept away from to the fixed plate 21.

As shown in fig. 4, the wall scraping member comprises a fixed cavity 25 fixedly connected to the side wall of the fixed plate 21 by welding, a movable plate 26 is slidably connected in the fixed cavity 25, the inner side wall of the movable plate 26 is fixedly connected to the fixed cavity 25 by a plurality of springs 27, two ends of each spring 27 are fixedly connected to the movable plate 26 and the fixed cavity 25 by welding, a second scraping plate 28 is fixedly connected to the other end of the movable plate 26 by welding, and the second scraping plate 28 penetrates through the side wall of the fixed cavity 25. When the mixing roll 5 needs to be cleaned, the rotating handle 20 drives the threaded rod 19 to rotate, the threaded rod 19 rotates to drive the fixed plate 21 to slide, the fixed plate 21 drives the second scraping plate 28 to move, after the second scraping plate 28 contacts with the mixing roll 5, the rotating handle 20 stops rotating, the first motor is started again, the two mixing rolls 5 rotate, and at the moment, the surfaces of the mixing rolls 5 can be cleaned.

The mixing bin 4 is internally provided with a heat dissipation mechanism, the heat dissipation mechanism is arranged, external wind can be extracted and blown to the outer side of the mixing roller 5, and the hot wind in the mixing bin 4 is extracted to cool the mixing roller 5, so that the heat dissipation effect is good.

The bottom of mixing bin 4 is provided with defeated feed bin 7, installs the defeated material mechanism that can go out the raw materials after mixing in the defeated feed bin 7, and wherein, defeated material mechanism is including installing at the inside conveyer belt structure of defeated feed bin 7, and the discharge opening 33 has been seted up to the lateral wall of defeated feed bin 7. The conveyor belt structure is of the prior art, and the specific structure is not described too much, and the mixed materials can be conveyed out of the discharge hole 33 through the conveyor belt.

Embodiment two: on the basis of the above embodiment, further, as shown in fig. 3, the intermittent blanking mechanism includes an electric push rod 14 fixedly connected to the inner side wall of the tank body 1, the electric push rod 14 adopts the prior art, the electric push rod 14 is fixedly connected to the inner side wall of the tank body 1 through a bolt, a blanking channel 15 is fixedly connected to the bottom of the stirring bin 2 in a welding manner, a transverse baffle 16 is slidingly connected to the blanking channel 15, namely, a transverse chute is formed in the inner side wall of the blanking channel 15, the transverse baffle 16 is slidingly connected to the transverse chute, a round hole 17 matched with a hole at the bottom of the blanking channel 15 is formed in the transverse baffle 16, an output shaft of the electric push rod 14 is fixedly connected to a vertical plate 18 through a bolt, and the other side surface of the vertical plate 18 is fixedly connected to the transverse baffle 16 in a welding manner.

When the materials in the stirring bin 2 are stirred, the electric push rod 14 is started, the output shaft of the electric push rod 14 stretches to drive the transverse baffle 16 to transversely slide, when the round hole 17 is staggered with the bottom of the blanking channel 15, the stirring bin 2 is normally used, when the materials in the stirring bin 2 are required to be discharged into the mixing bin 4, the electric push rod 14 is started, the output shaft of the electric push rod 14 contracts to drive the transverse baffle 16 to transversely slide, and when the round hole 17 is opposite to the bottom of the blanking channel 15, the materials in the stirring bin 2 can be discharged into the mixing bin 4.

Embodiment III: on the basis of the above embodiment, further, the heat dissipation mechanism includes a pair of ventilation chambers 29 welded and fixedly connected to the side walls of the mixing bin 4, the left and right side walls of the ventilation chambers 29 are provided with ventilation holes 30, as shown in fig. 5, a blower 31 is installed in any ventilation chamber 29, as shown in fig. 6, an exhaust fan 32 is installed in the other ventilation chamber 29, the blower 31 and the exhaust fan 32 are all in the prior art, the blower 31 and the exhaust fan 32 are fixedly connected to the supporting rod through bolts, the supporting rod is welded and fixedly connected to the inside of the ventilation chambers 29, external wind can be extracted and blown into the mixing bin 4 to blow away heat on the surface of the mixing roller 5, and hot wind in the mixing bin 4 is extracted through the exhaust fan 32, so that the air in the mixing bin 4 forms convection, and the cooling of the mixing roller 5 is accelerated.

While the present utility model has been particularly shown and described with reference to a preferred embodiment, a number of methods and instrumentalities embodying the present utility model, the foregoing is merely a preferred embodiment of the present utility model, 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 spirit and scope of the utility model as defined by the appended claims.

Claims

1. The ethylene propylene diene monomer rubber mixing device comprises a tank body (1), and is characterized in that a stirring bin (2) is fixedly connected inside the tank body (1), a stirring mechanism is rotationally connected to the stirring bin (2), a first cleaning component capable of cleaning the inside of the stirring bin (2) is mounted on the stirring mechanism, a blanking pipe (3) is mounted at the top of the stirring bin (2), and an intermittent blanking mechanism is mounted at the bottom of the stirring bin (2); the mixing device comprises a mixing bin (4) arranged at the bottom of the mixing bin (2), a pair of mixing rollers (5) are rotationally connected to the mixing bin (4), the two mixing rollers (5) are arranged side by side and are opposite in rotation direction, a second cleaning component capable of cleaning the side wall of the mixing rollers (5) is arranged in the tank body (1), a through hole (6) is formed in the bottom of the mixing bin (4), and a heat dissipation mechanism is arranged in the mixing bin (4); the bottom of the mixing bin (4) is provided with a material conveying bin (7), and a material conveying mechanism capable of conveying mixed raw materials out is arranged in the material conveying bin (7).

2. Ethylene propylene diene monomer rubber mixing device according to claim 1, characterized in that the stirring mechanism comprises a stirring shaft (8) which is rotationally connected inside the stirring bin (2), a stirring rod (9) is fixedly connected to the stirring shaft (8), a driving motor (10) is mounted at the top of the tank body (1), and the top of the stirring shaft (8) penetrates through the top surface of the tank body (1) and is fixedly connected with an output shaft of the driving motor (10).

3. Ethylene propylene diene monomer rubber mixing device according to claim 2, characterized in that the first cleaning assembly comprises a first scraper (11), the first scraper (11) is fixedly connected with the stirring shaft (8) through a connecting rod (12), the first scraper (11) is in contact with the side wall of the stirring bin (2), and the side wall of the first scraper (11) close to the stirring bin (2) is fixedly connected with a rubber layer (13).

4. Ethylene propylene diene monomer rubber mixing device according to claim 2, characterized in that the intermittent blanking mechanism comprises an electric push rod (14) fixedly connected to the inner side wall of the tank body (1), a blanking channel (15) is fixedly connected to the bottom of the stirring bin (2), a transverse baffle (16) is connected to the blanking channel (15) in a sliding manner, a round hole (17) matched with a hole at the bottom of the blanking channel (15) is formed in the transverse baffle (16), an output shaft of the electric push rod (14) is fixedly connected with a vertical plate (18), and the other side face of the vertical plate (18) is fixedly connected with the transverse baffle (16).

5. Ethylene propylene diene monomer rubber mixing device according to claim 1, characterized in that the second cleaning assembly comprises a threaded rod (19) in threaded connection with the side wall of the tank body (1), one end of the threaded rod (19) located outside the tank body (1) is fixedly connected with a rotating handle (20), the other end of the threaded rod (19) is rotationally connected with a fixed plate (21), a sliding groove (22) is formed in the bottom surface of the mixing bin (4), a sliding rod (23) is fixedly connected in the sliding groove (22), a sliding sleeve (24) is connected to the sliding rod (23) in a sliding manner, the top surface of the sliding sleeve (24) is fixedly connected with the bottom surface of the fixed plate (21), and the side surface of the fixed plate (21) away from the threaded rod (19) is fixedly connected with a telescopic scraping wall piece.

6. Ethylene propylene diene monomer rubber mixing device according to claim 5, characterized in that the scraping wall piece comprises a fixed cavity (25) fixedly connected with the side wall of the fixed plate (21), a movable plate (26) is connected in the fixed cavity (25) in a sliding manner, the inner side wall of the movable plate (26) is fixedly connected with the fixed cavity (25) through a plurality of springs (27), a second scraping plate (28) is fixedly connected with the other end of the movable plate (26), and the second scraping plate (28) penetrates through the side wall of the fixed cavity (25).

7. Ethylene propylene diene monomer rubber mixing device according to claim 1, characterized in that the heat dissipation mechanism comprises a pair of ventilation cavities (29) fixedly connected to the side walls of the mixing bin (4), ventilation holes (30) are formed in the left and right side walls of the ventilation cavities (29), a blower (31) is arranged in each ventilation cavity (29), and an exhaust fan (32) is arranged in the other ventilation cavity (29).

8. Ethylene propylene diene monomer rubber mixing device according to claim 1, characterized in that the material conveying mechanism comprises a conveyor belt structure arranged inside the material conveying bin (7), and a discharging hole (33) is formed in the side wall of the material conveying bin (7).

9. Ethylene propylene diene monomer rubber mixing device according to claim 1, characterized in that the stirring bin (2) is fixedly connected to the side wall of the tank body (1) through an auxiliary rod (34).