CN219359920U - Meshing type rotor structure of internal mixer - Google Patents

Abstract

The utility model relates to the technical field of internal mixer rotors, in particular to a meshing type rotor structure of an internal mixer, which comprises two connecting shafts with the same structure and two rotor bodies arranged on the surfaces of the two connecting shafts, wherein each rotor body comprises a rotor main body and S-shaped protruding rods uniformly and fixedly arranged on the surfaces of the rotor main bodies. According to the utility model, the S-shaped convex rod is utilized, so that the contact surface area of rubber is increased when the rubber passes through the space between the S-shaped convex rod and the rotor main body, the single mixing effect can be improved, the mixing efficiency is increased, the connecting part between the S-shaped convex rod and the rotor main body is arranged to be of an arc-shaped structure, so that an arc surface is formed, the rubber residue on the surface of the rotor main body is reduced, the mixing can be better performed, and a spiral groove is formed in the cooling cavity by utilizing the spiral rod, so that the flowing time of cooling liquid in the cooling cavity is prolonged, and the cooling liquid can fully play a role in taking away heat.

Description

Meshing type rotor structure of internal mixer

Technical Field

The utility model relates to the technical field of internal mixer rotors, in particular to a meshing type rotor structure of an internal mixer.

Background

The internal mixer is also called internal mixer, mainly used for plasticating and mixing rubber, and is a machine which is equipped with a pair of rotors with specific shape and relatively rotating, and can intermittently plasticate and mix polymer material 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 seat.

The utility model provides an internal mixer rotor is the structure that is used for plasticating and mixing to rubber, makes rubber semi-manufactured goods constantly pass through the extrusion plasticating of two rotors to make its shaping, the patent of publication No. CN208392379U discloses a rotor for meshing type internal mixer, including rotor body, stiff end and second cooling tank, the pressfitting piece has been laid in the outside of rotor body, and pressfitting piece and rotor body's junction limit reservation have the recess, the stiff end is connected in rotor body's one end, and rotor body's the other end fixed mounting has the link, and has seted up the liquid outlet on the link, this internal first cooling tank that is provided with of rotor, and rotor body's both ends reservation have the circulation canal, and circulation canal and first cooling tank through-connection, this internal rotor for internal mixer, greatly improved the work efficiency of rubber mixing and plasticating, and can accelerate the cooling rate of rubber, wherein make rubber carry out the milling through the recess of pressfitting piece, this pressfitting piece be rectangular form structure, when rubber passes through the recess, the contact area between rubber and the rotor is few, thereby leads to mixing time to low efficiency, and the inside cooling liquid that will flow the cooling liquid flows in the inside the cooling tank, and the cooling liquid is directly flows the cooling tank, and the cooling liquid is influenced by the cooling tank, and the cooling liquid is cooled down.

Disclosure of Invention

The utility model aims to provide a meshed rotor structure of an internal mixer, which solves the problems that in the prior art, rubber is mixed through a lamination block and reserved grooves, the lamination block is of a strip-shaped structure, when the rubber passes through the grooves, the contact area between the rubber and a rotor is small, so that the mixing time is long, the efficiency is low, cooling liquid is directly injected into a cooling tank, the cooling tank is in a horizontal shape, the cooling liquid flows through rapidly, the flowing time of the cooling liquid in the cooling tank is shortened, and the cooling effect is influenced.

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

the utility model provides a meshing type rotor structure of banbury mixer, includes two structures the same connecting axle and sets up two rotor body at two connecting axle surfaces, the rotor body include rotor main part and even fixed mounting at the S-shaped protruding pole on rotor main part surface, two S-shaped protruding pole opposite direction on the rotor body, and two rotor body pass through S-shaped protruding pole intermeshing, form the recess between two adjacent S-shaped protruding poles, set up to arc structure between S-shaped protruding pole and the rotor main part, and then make arc structure form smooth cambered surface.

Preferably, a round hole is formed in the rotor main body, both ends of the round hole penetrate through the rotor main body, a fixed pipe is arranged in the round hole, and a cooling cavity is formed between the fixed pipe and the rotor main body.

Preferably, a screw rod is arranged in the cooling cavity, the inner wall and the outer wall of the screw rod are fixedly connected with the fixed pipe and the inner wall of the rotor main body respectively so that a screw groove is formed in the cooling cavity, and the rotor main body is fixedly connected with the connecting shaft through the screw rod and the fixed pipe.

Preferably, the two ends of the rotor main body are provided with guide blocks, and the two guide blocks are communicated with connecting pipes.

Preferably, the flow guiding block comprises a first flow guiding ring and a second flow guiding ring, the first flow guiding ring and the second flow guiding ring form a convex structure, the second flow guiding ring is rotatably inserted into the round hole, and the flow guiding block is rotatably sealed with the round hole.

Preferably, the two guide blocks are connected with the internal mixer through a connecting pipe, and the two guide blocks are both rotatably sleeved on the surface of the connecting shaft.

The utility model has at least the following beneficial effects:

utilize the protruding pole of S-shaped, make rubber contact surface area increase when passing through between protruding pole of S-shaped and the rotor main part to can improve the effect of single mixing, increase the efficiency of mixing, and set up the junction between protruding pole of S-shaped and the rotor main part into the arc structure and then form the cambered surface, reduce the rubber residue on rotor body surface, can carry out mixing better, utilize the screw rod to form the helicla flute in the cooling chamber inside, thereby lengthen the flow time of coolant liquid inside, make the coolant liquid can fully exert the effect and take away the heat.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a rotor body according to the present utility model;

FIG. 3 is a side view of FIG. 2 in accordance with the present utility model;

FIG. 4 is a schematic view of a screw structure according to the present utility model;

FIG. 5 is a cross-sectional view of a diverter block according to the present utility model;

fig. 6 is a cross-sectional view of a rotor body according to the present utility model.

In the figure: 1. a connecting shaft; 2. a rotor body; 21. a rotor body; 22. an arc-shaped structure; 23. an S-shaped convex rod; 3. a round hole; 4. a fixed tube; 5. a screw rod; 6. a spiral groove; 7. a connecting pipe; 8. a flow guiding block; 81. a first deflector ring; 82. and the second guide ring.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Referring to fig. 1 to 6, an engagement type rotor structure of an internal mixer comprises two connecting shafts 1 with the same structure and two rotor bodies 2 arranged on the surfaces of the two connecting shafts 1, wherein each rotor body 2 comprises a rotor main body 21 and an S-shaped protruding rod 23 which is uniformly and fixedly arranged on the surface of the rotor main body 21, the S-shaped protruding rods 23 on the two rotor bodies 2 are opposite in direction, the two rotor bodies 2 are mutually meshed through the S-shaped protruding rods 23, a groove is formed between every two adjacent S-shaped protruding rods 23, an arc-shaped structure 22 is arranged between each S-shaped protruding rod 23 and each rotor main body 21, the arc-shaped structure 22 is further formed into a smooth arc surface, in use, the connecting shafts 1 are connected with a driving motor of the mixer to maintain normal rotation of the rotor bodies 2, rubber passes through the S-shaped protruding rods 23 and the rotor main body 21, the rubber is mixed by utilizing the S-shaped protruding rods 23, the contact surface area of the rubber is increased when passing through the S-shaped protruding rods 23 and the rotor main body 21, thereby the single mixing effect can be improved, the mixing efficiency is increased, the mixing efficiency of the rubber is better can be better, and the mixing efficiency of the S-shaped protruding rods 23 and the rotor main body 22 can be better mixed, and the residual mixing structure can be formed by connecting the surfaces of the rotor main bodies 21.

Further, the round hole 3 has been seted up to the inside of rotor main part 21, and rotor main part 21 has all been run through at the both ends of round hole 3, and the inside of round hole 3 is provided with fixed pipe 4, forms the cooling chamber between fixed pipe 4 and the rotor main part 21, sets up the cooling chamber at rotor body 2, conveniently lets in the coolant liquid and then realizes the purpose of cooling down, improves rubber shaping quality.

Further, the inside of cooling chamber is provided with hob 5, and hob 5's inner wall and outer wall respectively with fixed pipe 4 and rotor main part 21 inner wall fixed connection so that the inside helicla flute 6 that forms of cooling chamber, rotor main part 21 pass through hob 5 and fixed pipe 4 and connecting axle 1 fixed connection, and the cooling intracavity portion utilizes hob 5 to form helicla flute 6 to the inside flow time of extension coolant liquid makes the coolant liquid can fully play a role and takes away the heat.

Further, the two ends of the rotor main body 21 are respectively provided with a guide block 8, the two guide blocks 8 are respectively communicated with the connecting pipe 7, and cooling liquid is introduced into the rotor main body through the guide blocks 8 and the connecting pipes 7 and comes out of the other guide blocks 8 and the connecting pipes 7, so that the cooling liquid forms a loop.

Further, the flow guiding block 8 comprises a first flow guiding ring 81 and a second flow guiding ring 82, the first flow guiding ring 81 and the second flow guiding ring 82 form a convex structure, the second flow guiding ring 82 is rotatably inserted into the round hole 3, and the flow guiding block 8 is rotatably sealed with the round hole 3.

Further, two guide blocks 8 are connected with the internal mixer through a connecting pipe 7, and the two guide blocks 8 are both rotatably sleeved on the surface of the connecting shaft 1.

In sum, the driving motor of the connecting shaft 1 and the mixer is used to connect, the normal rotation of the rotor bodies 2 is maintained, the two rotor bodies 2 are meshed with each other through the S-shaped protruding rod 23, rubber passes through the S-shaped protruding rod 23 and the rotor body 21, thereby mixing the rubber, the S-shaped protruding rod 23 is utilized to enlarge the contact surface area of the rubber when passing through the space between the S-shaped protruding rod 23 and the rotor body 21, thereby improving the single mixing effect, increasing the mixing efficiency, and the connecting position between the S-shaped protruding rod 23 and the rotor body 21 is arranged to be an arc-shaped structure 22 to form an arc surface, thereby reducing the rubber residue on the surface of the rotor body 2, better mixing is performed, a cooling cavity is arranged in the rotor body 2, the cooling liquid is conveniently introduced into the rotor body to realize the purpose of cooling and cooling, the rubber molding quality is improved, the spiral groove 6 is formed in the cooling cavity by utilizing the spiral rod 5, thereby prolonging the flowing time of the cooling liquid in the inner part, enabling the cooling liquid to fully exert the heat to be taken away through the flow guiding block 8 and the connecting pipe 7, the cooling liquid is introduced into the other flow guiding block 8 and the connecting pipe 7, and the cooling liquid is formed into a loop.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a meshing formula rotor structure of banbury mixer, includes two connecting axle (1) that the structure is the same and sets up two rotor body (2) on two connecting axle (1) surfaces, its characterized in that, rotor body (2) including rotor main part (21) and even fixed mounting are on the S-shaped protruding pole (23) on rotor main part (21) surface, two S-shaped protruding pole (23) opposite direction on rotor body (2), and two rotor body (2) are through S-shaped protruding pole (23) intermeshing, form the recess between two adjacent S-shaped protruding poles (23), set up to arc structure (22) between S-shaped protruding pole (23) and rotor main part (21), and then make arc structure (22) form smooth cambered surface.

2. The meshing type rotor structure of an internal mixer according to claim 1, wherein a round hole (3) is formed in the rotor main body (21), both ends of the round hole (3) penetrate through the rotor main body (21), a fixed pipe (4) is arranged in the round hole (3), and a cooling cavity is formed between the fixed pipe (4) and the rotor main body (21).

3. The meshing type rotor structure of an internal mixer according to claim 2, wherein a screw rod (5) is arranged in the cooling cavity, the inner wall and the outer wall of the screw rod (5) are fixedly connected with the inner wall of the fixed pipe (4) and the inner wall of the rotor main body (21) respectively so that a spiral groove (6) is formed in the cooling cavity, and the rotor main body (21) is fixedly connected with the connecting shaft (1) through the screw rod (5) and the fixed pipe (4).

4. A meshing type rotor structure of an internal mixer according to claim 3, characterized in that both ends of the rotor main body (21) are provided with guide blocks (8), and both guide blocks (8) are communicated with a connecting pipe (7).

5. The meshing type rotor structure of an internal mixer according to claim 4, wherein the guide block (8) comprises a first guide ring (81) and a second guide ring (82), the first guide ring (81) and the second guide ring (82) form a convex structure, the second guide ring (82) is rotatably inserted into the round hole (3), and the guide block (8) is rotatably sealed with the round hole (3).

6. The meshing type rotor structure of an internal mixer according to claim 5, wherein two guide blocks (8) are connected with the internal mixer through connecting pipes (7), and the two guide blocks (8) are both rotatably sleeved on the surface of the connecting shaft (1).