CN218111343U

CN218111343U - Rotor sealing device of internal mixer

Info

Publication number: CN218111343U
Application number: CN202221992138.0U
Authority: CN
Inventors: 曹申林; 闫超; 高海龙; 田哲
Original assignee: Henan Sendu Sports Facilities Materials Co ltd
Current assignee: Henan Sendu Sports Facilities Materials Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2022-12-23
Anticipated expiration: 2032-08-01

Abstract

The utility model discloses a rotor sealing device of banbury mixer belongs to banbury mixer technical field. A rotor sealing device of an internal mixer comprises a rotor and a stationary ring, wherein both ends of the rotor are fixedly connected with rotor shafts, the rotor shafts are fixedly connected with a movable ring, the movable ring is rotatably connected inside the stationary ring, grooves are formed in the inner wall of the stationary ring and the outer wall of the movable ring, and an extrusion block matched with the grooves is slidably connected between the two grooves; the utility model discloses an extrusion piece comes to seal two groove joint departments between quiet ring and the rotating ring, can cause certain wearing and tearing to the extrusion piece when the rotating ring rotates along with the rotor shaft, through extrusion mechanism under the extrusion, continue to keep sealed effect to making the extrusion piece to make the material also can't leak through the gap between quiet ring and the rotating ring behind the extrusion piece wearing and tearing, avoided extrusion piece reverse slip through limiting mechanism, improved the sealed effect to quiet ring and rotating ring greatly.

Description

Rotor sealing device of internal mixer

Technical Field

The utility model relates to an internal mixer technical field especially relates to a rotor seal device of internal mixer.

Background

Internal mixers, also known as kneaders, are used mainly for the plastication and mixing of rubber. The internal mixer is a machine which is equipped with a pair of rotors with specific shapes and can be relatively rotated, and can be used for plasticating and mixing polymer material in a clearance mode under the closed state of adjustable temperature and pressure, and is mainly formed from internal mixing chamber, rotor sealing device, feeding and pressing device, discharging device, driving device and machine base.

The sealing structure of the rotor of the existing internal mixer is simple, the sealing performance is poor, after the equipment is used for a period of time, the sealing structure between the moving ring and the fixed ring is worn, namely, a gap appears between the moving ring and the fixed ring after the sealing mechanism is damaged, so that the internal mixing chamber is polluted, and the quality of rubber products is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of proposing among the prior art, and the rotor sealing device of a banbury mixer that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a rotor sealing device of internal mixer, includes rotor and quiet ring the equal fixedly connected with rotor shaft in both ends of rotor, fixedly connected with rotating ring on the rotor shaft, the rotating ring rotates to be connected the inside of quiet ring, the inner wall of quiet ring and the outer wall of rotating ring all set up flutedly, two sliding connection has the extrusion piece with recess looks adaptation between the recess, the inner chamber has been seted up to the inside of quiet ring, the inside of inner chamber is equipped with to the extrusion piece to the extruded extrusion mechanism of rotating ring, the inside of inner chamber is equipped with the restriction mechanism that restriction extrusion mechanism resets.

Furthermore, the extrusion mechanism comprises a sleeve and an extrusion rod, the sleeve is fixedly connected to the inner top wall of the inner cavity, the extrusion rod is slidably connected to the inside of the sleeve, the other end of the extrusion rod extends to the inside of the groove and is fixedly connected with the extrusion block, and an elastic mechanism is arranged between the sleeve and the extrusion rod.

Further, the elastic mechanism is a first spring.

Furthermore, the limiting mechanism comprises a sleeve and a sliding rod, the sleeve is fixedly connected to the inner top wall of the inner cavity, the sliding rod is connected to the inside of the sleeve in a sliding mode, the other end of the sliding rod extends to the inside of the groove and is fixedly connected with the extrusion block, a side sliding groove is formed in the sliding rod, an insertion block is connected to the inside of the side sliding groove in a sliding mode, a second spring is installed at one end of the insertion block, a jack is formed in the sleeve, and the other end of the insertion block is connected to the inside of the jack in a inserting mode.

Furthermore, the insertion block is arranged at one end inside the insertion hole and is arc-shaped.

Furthermore, a pressing plate is fixedly connected to the sliding rod, a pressure sensor is fixedly connected to the inner bottom wall of the inner cavity, and the pressure sensor is electrically connected with external control equipment.

Furthermore, the inner wall of the static ring is fixedly connected with a boss, and the outer wall of the dynamic ring is provided with a stepped groove matched with the boss.

Compared with the prior art, the utility model provides a rotor sealing device of banbury mixer possesses following beneficial effect.

The device does not relate to the part and all is the same with prior art or can adopt prior art to realize, the utility model discloses an extrusion piece comes to seal two groove joint departments between quiet ring and the rotating ring, can cause certain wearing and tearing to the extrusion piece when the rotating ring rotates along with the rotor shaft, under the extrusion effect through extrusion mechanism, continue to keep sealed effect to making the extrusion piece to make extrusion piece wearing and tearing back material also can't leak through the gap between quiet ring and the rotating ring, avoided extrusion piece reverse slip through limiting mechanism, improved the sealed effect to quiet ring and rotating ring greatly.

Make the one end of extrusion stem keep an outside thrust throughout through the first spring of compression, the one end through the extrusion stem extrudees the briquetting, when the slide bar extrudees the outside slip along with the extrusion piece, the inserted block is taken in to the inside of groove that sideslips through the compression second spring, thereby make the one end of inserted block take out from the inside of jack, the upwards slip of back through the slide bar, make the one end of inserted block reinsert in the jack of upper strata, the bottom surface of inserted block is the plane, thereby restrict the slide of slide bar to the intraduct, when the clamp plate on the slide bar extrudees pressure sensor, pressure sensor transmits the signal of telecommunication to external controlgear, remind the staff that the extrusion block needs to be changed, through setting up boss and ladder recess, make and form the sealed face of lift echelonment between quiet ring and the movable ring, great improvement sealed effect.

Other advantages, objects, and features of the invention will be set forth in part in the description which follows; and will be apparent to those skilled in the art, to a certain extent, upon a study of the following; or may be learned by the practice of the invention.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a schematic structural view of the stationary ring and the movable ring of the present invention.

Fig. 3 is a schematic structural diagram of the limiting mechanism and the extruding mechanism of the present invention.

Fig. 4 is an enlarged schematic view of a portion a in fig. 2.

Fig. 5 is an enlarged schematic view of B in fig. 3.

In the figure:

1. a rotor; 2. a rotor shaft; 3. a stationary ring; 4. a moving ring; 5. a groove; 6. extruding the block; 7. an inner cavity; 8. a sleeve; 9. an extrusion stem; 10. a first spring; 11. a sleeve; 12. a slide bar; 13. a side chute; 14. inserting a block; 15. a second spring; 16. a jack; 17. pressing a plate; 18. a pressure sensor; 19. a boss; 20. a stepped recess.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a rotor sealing device of banbury mixer, the equal fixedly connected with rotor shaft 2 in both ends including rotor 1 and quiet ring 3 rotor 1, fixedly connected with rotating ring 4 on rotor shaft 2, rotating ring 4 rotates the inside of connecting at quiet ring 3, recess 5 has all been seted up to the inner wall of quiet ring 3 and the outer wall of rotating ring 4, sliding connection has the extrusion piece 6 with recess 5 looks adaptation between two recess 5, inner chamber 7 has been seted up to the inside of quiet ring 3, the inside of inner chamber 7 is equipped with the extrusion mechanism to extrusion piece 6 to rotating ring 4 extrusion, extrusion mechanism includes sleeve 8 and stripper bar 9, sleeve 8 fixed connection is at the interior roof of inner chamber 7, stripper bar 9 sliding connection is in sleeve 8's inside, the other end of stripper bar 9 extends to the inside and the extrusion piece 6 fixed connection of recess 5, be equipped with elastic mechanism between sleeve 8 and the stripper bar 9, elastic mechanism is first spring 10.

In this embodiment, the first spring 10 is compressed to keep the end of the pressing rod 9 always at an outward pushing force, and the pressing block 6 is pressed by the end of the pressing rod 9.

Inner chamber 7's inside is equipped with the restriction mechanism that restriction extrusion mechanism resets, restriction mechanism includes sleeve pipe 11 and slide bar 12, sleeve pipe 11 fixed connection is at the interior roof of inner chamber 7, slide bar 12 sliding connection is in sleeve pipe 11's inside, slide bar 12's the other end extends to recess 5's inside and extrusion piece 6 fixed connection, side spout 13 has been seted up on slide bar 12, the inside sliding connection of side spout 13 has inserted block 14, second spring 15 is installed to inserted block 14's one end, jack 16 has been seted up on sleeve pipe 11, inserted block 14's the other end is pegged graft in the inside of jack 16, inserted block 14 establishes that the one end inside at jack 16 is circular-arcly.

In this embodiment, when the sliding rod 12 slides outward along with the pressing block 6, the insertion block 14 is retracted into the side groove 13 by compressing the second spring 15, so that one end of the insertion block 14 is withdrawn from the inside of the insertion hole 16, and then, by the upward sliding of the sliding rod 12, one end of the insertion block 14 is reinserted into the insertion hole 16 of the upper layer, and the bottom surface of the insertion block 14 is a flat surface, so that the sliding of the sliding rod 12 into the inside of the sleeve 11 is restricted.

A pressure plate 17 is fixedly connected to the sliding rod 12, a pressure sensor 18 is fixedly connected to the inner bottom wall of the inner cavity 7, and the pressure sensor 18 is electrically connected with an external control device.

In this embodiment, when the pressure plate 17 on the sliding rod 12 presses the pressure sensor 18, the pressure sensor 18 transmits an electrical signal to an external control device to remind a worker that the pressing block 6 needs to be replaced.

The inner wall of the static ring 3 is fixedly connected with a boss 19, and the outer wall of the dynamic ring 4 is provided with a stepped groove 20 matched with the boss 19.

In the embodiment, the boss 19 and the stepped groove 20 are arranged, so that a lifting stepped sealing surface is formed between the static ring 3 and the moving ring 4, and the sealing effect is greatly improved.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a rotor sealing device of internal mixer, includes rotor (1) and quiet ring (3), the equal fixedly connected with rotor shaft (2) in both ends of rotor (1), fixedly connected with rotating ring (4) on rotor shaft (2), rotating ring (4) are rotated and are connected the inside of quiet ring (3), the inner wall of quiet ring (3) and the outer wall of rotating ring (4) all set up fluted (5), two sliding connection has extrusion piece (6) with recess (5) looks adaptation between recess (5), inner chamber (7), its characterized in that have been seted up to the inside of quiet ring (3): the extrusion device is characterized in that an extrusion mechanism for extruding the extrusion block (6) towards the movable ring (4) is arranged in the inner cavity (7), and a limiting mechanism for limiting the resetting of the extrusion mechanism is arranged in the inner cavity (7).

2. A rotor sealing device of an internal mixer according to claim 1, characterized in that: extrusion mechanism includes sleeve (8) and extrusion pole (9), sleeve (8) fixed connection be in the interior roof of inner chamber (7), extrusion pole (9) sliding connection be in the inside of sleeve (8), the other end of extrusion pole (9) extends to the inside of recess (5) with extrusion piece (6) fixed connection, be equipped with elastic mechanism between sleeve (8) and extrusion pole (9).

3. A rotor sealing device of an internal mixer according to claim 2, characterized in that: the elastic mechanism is a first spring (10).

4. A rotor sealing device of an internal mixer according to claim 1, characterized in that: the limiting mechanism comprises a sleeve (11) and a sliding rod (12), the sleeve (11) is fixedly connected to the inner top wall of the inner cavity (7), the sliding rod (12) is connected to the inside of the sleeve (11) in a sliding mode, the other end of the sliding rod (12) extends to the inside of the groove (5) and the extrusion block (6) is fixedly connected, a side sliding groove (13) is formed in the sliding rod (12), an insertion block (14) is connected to the inside of the side sliding groove (13) in a sliding mode, a second spring (15) is installed at one end of the insertion block (14), a jack (16) is formed in the sleeve (11), and the other end of the insertion block (14) is connected to the inside of the jack (16) in a inserting mode.

5. A rotor sealing device of an internal mixer according to claim 4, characterized in that: the inserting block (14) is arranged at one end inside the inserting hole (16) and is in an arc shape.

6. A rotor sealing device of an internal mixer according to claim 5, characterized in that: the sliding rod (12) is fixedly connected with a pressing plate (17), the inner bottom wall of the inner cavity (7) is fixedly connected with a pressure sensor (18), and the pressure sensor (18) is electrically connected with external control equipment.

7. A rotor sealing device of an internal mixer according to claim 1, characterized in that: the inner wall of the static ring (3) is fixedly connected with a boss (19), and the outer wall of the movable ring (4) is provided with a stepped groove (20) matched with the boss (19).